dde33fa0ab59cc72dbdde7861352102c11fe721edfb19ca755fa2b265e9cc3bd

Analysis

max time kernel
119s
max time network
108s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/08/2024, 11:04

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General

Target

6d373d3a0478cc0e598ef6f5e9439170N.exe
Size

1.8MB
MD5

6d373d3a0478cc0e598ef6f5e9439170
SHA1

c77b8665f3dc0b941b64c11d30422290a5d76db6
SHA256

dde33fa0ab59cc72dbdde7861352102c11fe721edfb19ca755fa2b265e9cc3bd
SHA512

932fc73c3a1eaa8c933493b49f7011696b66619b9cc9f41e4de2e8b3106344bf5b6917c94fc370d22a9931bd04422c95583f37eac87d7efa140b4fcbab7891f0
SSDEEP

24576:Uh2DPH7VfrQoNtJE/uVS7FcZ5cQY7XPDFh3Brf/9CJxnPtFhLUy383gCo/P:UGP78/uSrP7XPD9f/cnPJUy3Og5

Score

5^/10

discovery

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\LeiLeiupRmb.sys	6d373d3a0478cc0e598ef6f5e9439170N.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6d373d3a0478cc0e598ef6f5e9439170N.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
5028	msedge.exe
5028	msedge.exe
4536	msedge.exe
4536	msedge.exe
3256	identity_helper.exe
3256	identity_helper.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
656	Process not Found
656	Process not Found

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs

pid	Process
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe
4536	msedge.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3084	6d373d3a0478cc0e598ef6f5e9439170N.exe
3084	6d373d3a0478cc0e598ef6f5e9439170N.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3084 wrote to memory of 4536	3084	6d373d3a0478cc0e598ef6f5e9439170N.exe	92
PID 3084 wrote to memory of 4536	3084	6d373d3a0478cc0e598ef6f5e9439170N.exe	92
PID 4536 wrote to memory of 760	4536	msedge.exe	93
PID 4536 wrote to memory of 760	4536	msedge.exe	93
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 2940	4536	msedge.exe	94
PID 4536 wrote to memory of 5028	4536	msedge.exe	95
PID 4536 wrote to memory of 5028	4536	msedge.exe	95
PID 4536 wrote to memory of 2880	4536	msedge.exe	96
PID 4536 wrote to memory of 2880	4536	msedge.exe	96
PID 4536 wrote to memory of 2880	4536	msedge.exe	96
PID 4536 wrote to memory of 2880	4536	msedge.exe	96
PID 4536 wrote to memory of 2880	4536	msedge.exe	96
PID 4536 wrote to memory of 2880	4536	msedge.exe	96
PID 4536 wrote to memory of 2880	4536	msedge.exe	96
PID 4536 wrote to memory of 2880	4536	msedge.exe	96
PID 4536 wrote to memory of 2880	4536	msedge.exe	96
PID 4536 wrote to memory of 2880	4536	msedge.exe	96
PID 4536 wrote to memory of 2880	4536	msedge.exe	96
PID 4536 wrote to memory of 2880	4536	msedge.exe	96
PID 4536 wrote to memory of 2880	4536	msedge.exe	96
PID 4536 wrote to memory of 2880	4536	msedge.exe	96
PID 4536 wrote to memory of 2880	4536	msedge.exe	96
PID 4536 wrote to memory of 2880	4536	msedge.exe	96
PID 4536 wrote to memory of 2880	4536	msedge.exe	96
PID 4536 wrote to memory of 2880	4536	msedge.exe	96

C:\Users\Admin\AppData\Local\Temp\6d373d3a0478cc0e598ef6f5e9439170N.exe
"C:\Users\Admin\AppData\Local\Temp\6d373d3a0478cc0e598ef6f5e9439170N.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3084
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.cfyayi.tk/
  2⤵
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:4536
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffb5cd546f8,0x7ffb5cd54708,0x7ffb5cd54718
    3⤵
    PID:760
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,9797390042711831336,13708676351155196767,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2140 /prefetch:2
    3⤵
    PID:2940
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2108,9797390042711831336,13708676351155196767,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2540 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:5028
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2108,9797390042711831336,13708676351155196767,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2908 /prefetch:8
    3⤵
    PID:2880
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,9797390042711831336,13708676351155196767,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3272 /prefetch:1
    3⤵
    PID:3236
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,9797390042711831336,13708676351155196767,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3316 /prefetch:1
    3⤵
    PID:2296
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,9797390042711831336,13708676351155196767,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4660 /prefetch:1
    3⤵
    PID:4740
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,9797390042711831336,13708676351155196767,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3572 /prefetch:1
    3⤵
    PID:3592
- - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2108,9797390042711831336,13708676351155196767,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5056 /prefetch:8
    3⤵
    PID:3148
- - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2108,9797390042711831336,13708676351155196767,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5056 /prefetch:8
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:3256
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,9797390042711831336,13708676351155196767,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5044 /prefetch:1
    3⤵
    PID:2340
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,9797390042711831336,13708676351155196767,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4748 /prefetch:1
    3⤵
    PID:396
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,9797390042711831336,13708676351155196767,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5176 /prefetch:1
    3⤵
    PID:4464
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,9797390042711831336,13708676351155196767,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5444 /prefetch:1
    3⤵
    PID:1944
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,9797390042711831336,13708676351155196767,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1740 /prefetch:1
    3⤵
    PID:1480
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,9797390042711831336,13708676351155196767,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5464 /prefetch:1
    3⤵
    PID:2232

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3708

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
2783c40400a8912a79cfd383da731086

SHA1
001a131fe399c30973089e18358818090ca81789

SHA256
331fa67da5f67bbb42794c3aeab8f7819f35347460ffb352ccc914e0373a22c5

SHA512
b7c7d3aa966ad39a86aae02479649d74dcbf29d9cb3a7ff8b9b2354ea60704da55f5c0df803fd0a7191170a8e72fdd5eacfa1a739d7a74e390a7b74bdced1685

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
ff63763eedb406987ced076e36ec9acf

SHA1
16365aa97cd1a115412f8ae436d5d4e9be5f7b5d

SHA256
8f460e8b7a67f0c65b7248961a7c71146c9e7a19772b193972b486dbf05b8e4c

SHA512
ce90336169c8b2de249d4faea2519bf7c3df48ae9d77cdf471dd5dbd8e8542d47d9348080a098074aa63c255890850ee3b80ddb8eef8384919fdca3bb9371d9f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\1eeb5e97-204d-4aba-8db7-238b9b31f754.tmp

Filesize
5KB

MD5
e3fc1c7ff22e574d7398f138ff05ae2f

SHA1
6db40522fc091d30b396b0d0193be8a44e1041af

SHA256
ecb6ba6c0164512ea252d1a71cc4b15157bf05dd5de15fd8ccdbdd00dbb06f39

SHA512
a08a1c94bf12439318e8f7158480881efa206cb0576172e9c7f8fa0b7bd218a36da3a7474c1c5a72358061726bf492ef4549c91dbecfd3674a61e1483e889b89

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
6KB

MD5
ba2e9168bbffd8a291a0cdf5d31199cb

SHA1
91908b5550a310937d2edb2284d7f98be4337906

SHA256
346370c07a9c3fa1742b43c0f0fcd1a5ad5e362ac8c696334ad9d729d1ac7c33

SHA512
1614d4e285fe8a1b11e6d07d41b8db0231d103da835bc30bb8d329c9cfb6c1413afcd7d2c43915fde0bfc831623750896b521ff17bce93b7b7f10f94aac0fadb

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
11KB

MD5
6de35e3382ff4d108a512e1d056074b8

SHA1
addc299750ee4f4d070ed65c2d4d8f25585b2761

SHA256
467daa7491ec875fbba705083c6db598c341c8c9a497d181135a5b5dea841973

SHA512
b0f9b3ee26b9d688aafea8cdd1a60d647d86d4794b36e3bf7873eed59cba5d2eff511739d378d56f77fb778656cc59aa6be6aa1c433390a7c5dddebd75ada312

Download Submit