hxxps://e%C2%AD%C2%AD%C2%AD%C2%ADez%C2%AD%C2%AD%C2%AD%C2%ADee[.]c%C2%AD%C2%AD%C2%AD%C2%ADo%C2%AD%C2%AD%C2%AD%C2%ADm[.]s%C2%AD%C2%AD%C2%AD%C2%ADg/v20/#him@bch[.]org

Analysis

max time kernel
34s
max time network
35s
platform
windows10-2004_x64
resource
win10v2004-20230831-en
resource tags

arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
submitted
04/09/2023, 13:46

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General

Target

https://e%C2%AD%C2%AD%C2%AD%C2%ADez%C2%AD%C2%AD%C2%AD%C2%ADee.c%C2%AD%C2%AD%C2%AD%C2%ADo%C2%AD%C2%AD%C2%AD%C2%ADm.s%C2%AD%C2%AD%C2%AD%C2%ADg/v20/#[email protected]

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{2669D2C5-BAF5-42AD-84D8-EBAAE977B19F}.catalogItem	svchost.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe
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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4876	msedge.exe
4876	msedge.exe
4932	msedge.exe
4932	msedge.exe
1104	identity_helper.exe
1104	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs

pid	Process
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe
4932	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 2944	4932	msedge.exe	35
PID 4932 wrote to memory of 2944	4932	msedge.exe	35
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4840	4932	msedge.exe	86
PID 4932 wrote to memory of 4876	4932	msedge.exe	88
PID 4932 wrote to memory of 4876	4932	msedge.exe	88
PID 4932 wrote to memory of 2044	4932	msedge.exe	87
PID 4932 wrote to memory of 2044	4932	msedge.exe	87
PID 4932 wrote to memory of 2044	4932	msedge.exe	87
PID 4932 wrote to memory of 2044	4932	msedge.exe	87
PID 4932 wrote to memory of 2044	4932	msedge.exe	87
PID 4932 wrote to memory of 2044	4932	msedge.exe	87
PID 4932 wrote to memory of 2044	4932	msedge.exe	87
PID 4932 wrote to memory of 2044	4932	msedge.exe	87
PID 4932 wrote to memory of 2044	4932	msedge.exe	87
PID 4932 wrote to memory of 2044	4932	msedge.exe	87
PID 4932 wrote to memory of 2044	4932	msedge.exe	87
PID 4932 wrote to memory of 2044	4932	msedge.exe	87
PID 4932 wrote to memory of 2044	4932	msedge.exe	87
PID 4932 wrote to memory of 2044	4932	msedge.exe	87
PID 4932 wrote to memory of 2044	4932	msedge.exe	87
PID 4932 wrote to memory of 2044	4932	msedge.exe	87
PID 4932 wrote to memory of 2044	4932	msedge.exe	87
PID 4932 wrote to memory of 2044	4932	msedge.exe	87
PID 4932 wrote to memory of 2044	4932	msedge.exe	87
PID 4932 wrote to memory of 2044	4932	msedge.exe	87

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://e%C2%AD%C2%AD%C2%AD%C2%ADez%C2%AD%C2%AD%C2%AD%C2%ADee.c%C2%AD%C2%AD%C2%AD%C2%ADo%C2%AD%C2%AD%C2%AD%C2%ADm.s%C2%AD%C2%AD%C2%AD%C2%ADg/v20/#[email protected]
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4932
- 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,0x100,0x104,0xd8,0x108,0x7ffb3e0c46f8,0x7ffb3e0c4708,0x7ffb3e0c4718
  2⤵
  PID:2944
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2120,3388483800743405855,952417817185243279,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2164 /prefetch:2
  2⤵
  PID:4840
- 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=2120,3388483800743405855,952417817185243279,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2904 /prefetch:8
  2⤵
  PID:2044
- 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=2120,3388483800743405855,952417817185243279,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2348 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4876
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,3388483800743405855,952417817185243279,131072 --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=3352 /prefetch:1
  2⤵
  PID:560
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,3388483800743405855,952417817185243279,131072 --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=3372 /prefetch:1
  2⤵
  PID:3192
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,3388483800743405855,952417817185243279,131072 --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=4632 /prefetch:1
  2⤵
  PID:3404
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,3388483800743405855,952417817185243279,131072 --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=4584 /prefetch:1
  2⤵
  PID:1564
- 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=2120,3388483800743405855,952417817185243279,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4016 /prefetch:8
  2⤵
  PID:3584
- 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=2120,3388483800743405855,952417817185243279,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4016 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1104
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,3388483800743405855,952417817185243279,131072 --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=5824 /prefetch:1
  2⤵
  PID:5088
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,3388483800743405855,952417817185243279,131072 --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=5792 /prefetch:1
  2⤵
  PID:1844
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,3388483800743405855,952417817185243279,131072 --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=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4724 /prefetch:1
  2⤵
  PID:732
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,3388483800743405855,952417817185243279,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3700 /prefetch:1
  2⤵
  PID:2468

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:3260

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3612

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

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
048656f46cbeec431fc9211b492b0210

SHA1
472e28d665f77507f42fd6d4373d69efe4817fb6

SHA256
b70bedb089a51bc48a6d94fdc9a44db7310d8ab1d5f17c0592e438a42efff050

SHA512
ab8a2e36fb6fa2afb017f26c1e15249f4d76ae7fef0a5c6142d50b11072242d2fc74bec1ee0c7973a4ec3b3109c3e26a7b48b778343208644dcf806b74572c2c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\0da6ec8f-55f1-471a-aef4-de0192fe27ae.tmp

Filesize
6KB

MD5
6701c6b18145c31bef6ccb2fe9e1ea1a

SHA1
af31b61b91a5ce92c87f59852366946ec24f4604

SHA256
0ebc2f229cebf1fe49f1072f8eb427fbafbe8b452acffb3dfe966e769fbcbdee

SHA512
f08869393d2fccd64d997b4b072ef0beebeecf35ca3bf75c624902320f475504f4361d98cf3042732f80ab8038abd12d3cfab318218775f3efb9e8a8db2f5495

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

Filesize
111B

MD5
285252a2f6327d41eab203dc2f402c67

SHA1
acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

SHA256
5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

SHA512
11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

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

Filesize
24KB

MD5
b2cf4d0049ace39b74eef79a55294004

SHA1
d7c3ca52a379d2e60352e30270360f961bbb2ec0

SHA256
f09ecec25a5a6280529f91f243579b90dff160b1432b685455031fd1dc4c4f6f

SHA512
75dbba4e152552da37f9f7b5b8655c7034c070db3bdbc3c4ec20bc5e509c420df86f6f5ef0126ca21b3eb73fee1ca93d1b555896a51a95e806655de491dcbc16

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\d1db4985-f16e-4b2a-88e0-3d07d8a91d1c.tmp

Filesize
5KB

MD5
ff9c81cbc54239b55a5832f3698e448a

SHA1
1cefc84a37dee90eb55411b12b74728ec35c22c9

SHA256
a7483566e70f34c6ea5c4fbcd27e6226d5ee946cc3f8f68027fc4a12ce72ef87

SHA512
97928f753b4cb580f87cd0b356771d3c5880e8eff48f22a18000fca1fac7fc09cf9b5238b2019da50d65c0c511c0a295027e4371259c775bea6f5251c3f24e2c

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
492ac9388829c86d89317e908ca2f15c

SHA1
9fca147334f4baa1f679256d8431ca57d7c9f3d7

SHA256
10f822cb5bfdb9388ead0f1d5305766b4d9eb1b9faf5bd5f1e1b4aa256d647b7

SHA512
5961b79735bfb65a765e8c01d6d76fc2f2ef6ffb5f67f6171f6a00ea66f27094d6fd0c03d90fdb8fea522d54630fe13c5d38ae1a84b34e3d42423643389487b9

Download Submit