23c707f9cc1a222d593738b5fcaf9d06da19104b83be91788c879f134800a851

Analysis

max time kernel
107s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 23:55

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General

Target

uninst.exe
Size

41KB
MD5

3ffe03fe0a494a88b37618bc40db695f
SHA1

a89eb3ea7954941fffa3e1f76b46818d06ffc902
SHA256

f5c4717f5c2b20c14403633d7faa42469a33ec61131578b1998d240c85fadb76
SHA512

667682dcf6bcf2b0fe842bf93d9dad81dec68ca38313bf2fc86c57c2e483ab2301d0ad2b7fb8d3c1de26d6a3bfc2cd6efe3a61d9529cec3d37b3526687ca761c
SSDEEP

768:KTDou/K2XYplvXh3eRMWpn2yJtKALOxqQo+JeCcFRHtqkkJVb/gyKFm:iWbXhuGWZzJkAKqQxenkJVzgysm

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3176	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
3176	Au_.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 2 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	uninst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral16/files/0x00070000000234bc-5.dat	nsis_installer_1

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2336	msedge.exe
2336	msedge.exe
1968	msedge.exe
1968	msedge.exe
3632	identity_helper.exe
3632	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe
1968	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 3176	1068	uninst.exe	82
PID 1068 wrote to memory of 3176	1068	uninst.exe	82
PID 1068 wrote to memory of 3176	1068	uninst.exe	82
PID 3176 wrote to memory of 1968	3176	Au_.exe	83
PID 3176 wrote to memory of 1968	3176	Au_.exe	83
PID 1968 wrote to memory of 4812	1968	msedge.exe	84
PID 1968 wrote to memory of 4812	1968	msedge.exe	84
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 5032	1968	msedge.exe	85
PID 1968 wrote to memory of 2336	1968	msedge.exe	86
PID 1968 wrote to memory of 2336	1968	msedge.exe	86
PID 1968 wrote to memory of 3240	1968	msedge.exe	87
PID 1968 wrote to memory of 3240	1968	msedge.exe	87
PID 1968 wrote to memory of 3240	1968	msedge.exe	87
PID 1968 wrote to memory of 3240	1968	msedge.exe	87
PID 1968 wrote to memory of 3240	1968	msedge.exe	87
PID 1968 wrote to memory of 3240	1968	msedge.exe	87
PID 1968 wrote to memory of 3240	1968	msedge.exe	87
PID 1968 wrote to memory of 3240	1968	msedge.exe	87
PID 1968 wrote to memory of 3240	1968	msedge.exe	87
PID 1968 wrote to memory of 3240	1968	msedge.exe	87
PID 1968 wrote to memory of 3240	1968	msedge.exe	87
PID 1968 wrote to memory of 3240	1968	msedge.exe	87
PID 1968 wrote to memory of 3240	1968	msedge.exe	87
PID 1968 wrote to memory of 3240	1968	msedge.exe	87
PID 1968 wrote to memory of 3240	1968	msedge.exe	87

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1068
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3176
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.openwares.org/unindex.php?app=Arcade Classic Arcade Pack
    3⤵
    - Enumerates system info in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of WriteProcessMemory
    PID:1968
  - - 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=0x100,0xdc,0x104,0xd8,0x108,0x7ffe741446f8,0x7ffe74144708,0x7ffe74144718
      4⤵
      PID:4812
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,2523998614743515599,8724753547624137653,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2156 /prefetch:2
      4⤵
      PID:5032
  - - 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=2144,2523998614743515599,8724753547624137653,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2212 /prefetch:3
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:2336
  - - 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=2144,2523998614743515599,8724753547624137653,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2840 /prefetch:8
      4⤵
      PID:3240
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,2523998614743515599,8724753547624137653,131072 --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=3284 /prefetch:1
      4⤵
      PID:2392
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,2523998614743515599,8724753547624137653,131072 --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=3304 /prefetch:1
      4⤵
      PID:1680
  - - 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=2144,2523998614743515599,8724753547624137653,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5148 /prefetch:8
      4⤵
      PID:1592
  - - 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=2144,2523998614743515599,8724753547624137653,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5148 /prefetch:8
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:3632
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,2523998614743515599,8724753547624137653,131072 --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=5224 /prefetch:1
      4⤵
      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=2144,2523998614743515599,8724753547624137653,131072 --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=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5240 /prefetch:1
      4⤵
      PID:3544
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,2523998614743515599,8724753547624137653,131072 --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=5808 /prefetch:1
      4⤵
      PID:4924
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,2523998614743515599,8724753547624137653,131072 --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=5784 /prefetch:1
      4⤵
      PID:2656

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2064

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4064

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
4dd2754d1bea40445984d65abee82b21

SHA1
4b6a5658bae9a784a370a115fbb4a12e92bd3390

SHA256
183b8e82a0deaa83d04736553671cedb738adc909f483b3c5f822a0e6be7477d

SHA512
92d44ee372ad33f892b921efa6cabc78e91025e89f05a22830763217826fa98d51d55711f85c8970ac58abf9adc6c85cc40878032cd6d2589ab226cd099f99e1

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

Filesize
152B

MD5
ecf7ca53c80b5245e35839009d12f866

SHA1
a7af77cf31d410708ebd35a232a80bddfb0615bb

SHA256
882a513b71b26210ff251769b82b2c5d59a932f96d9ce606ca2fab6530a13687

SHA512
706722bd22ce27d854036b1b16e6a3cdb36284b66edc76238a79c2e11cee7d1307b121c898ad832eb1af73e4f08d991d64dc0bff529896ffb4ebe9b3dc381696

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
72B

MD5
185679b80508d864e36c666ca872c6b9

SHA1
99064af805b8913b5a6702ea25c38fe9c05a21ac

SHA256
40792a8c24a755b7ba12ccaab15a87c127b9495b3295838b7dd9af4de67621cd

SHA512
8cab8720581e87a2c7faf95baf3e5df5619d98dbe2ae64a11dd12a51d63c05c6c1bcab3284a8b4ef74559ae1366a4ba091e43254fd15cc176926c4f1e07974fa

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

Filesize
5KB

MD5
1aabe39900f7c900d908fd9a6953f219

SHA1
629264c1889196bcd4cdc1c52505801b21efd407

SHA256
9ca459ddc531dba3ad06896c20ee6c82e9698693ecebcaef2a471c153a6ae49a

SHA512
e7a276096123572034557ba2d80c67772f436fcce09058da589abbd27eaac605925c481531116215ed4407c3606c2a39d5070c202237eeb9513a92aa6c76c8ae

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

Filesize
6KB

MD5
6cc505a955f224e8ca6db00a00e173ce

SHA1
54c38f8f9b00b7bdd56a179f98eae5d1542550dc

SHA256
bf9fcddd59b1dcfc668ad488786410b8ac6827322cb0994ec559276ea097c840

SHA512
2e6d7b37621a74c81bea1769cfa17dde7b38fe1221988f68484e83fe34a238e7c188eff998df9cc5e62bc057033b56d1ef5ce0c79fff347b86f92b2be9e1adbc

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
10KB

MD5
c42cf1ce980654bdb6de3eb5f343a83a

SHA1
627a69756a9087ce4fb6834f7ca9afac3a95e2e6

SHA256
25f2a602ddfc3077c594b283b938f6494e0a055d6c377f8239dbc98d0359a5e3

SHA512
49259acebc2aa03c59856230948ca977ecb190bb9469c8571c1840a541309fb350ed477bdca5ae6b1fba7d0563b0361a717ac86d7a82e4dd4554c8679068228d

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
41KB

MD5
3ffe03fe0a494a88b37618bc40db695f

SHA1
a89eb3ea7954941fffa3e1f76b46818d06ffc902

SHA256
f5c4717f5c2b20c14403633d7faa42469a33ec61131578b1998d240c85fadb76

SHA512
667682dcf6bcf2b0fe842bf93d9dad81dec68ca38313bf2fc86c57c2e483ab2301d0ad2b7fb8d3c1de26d6a3bfc2cd6efe3a61d9529cec3d37b3526687ca761c

Download Submit