hxxps://api-gateway[.]plusoftdtm[.]com/effmail-callback-claro/api/v1/Callback?hash=Fxnd%2fPWyvbi0Fig4R5DeI%2fsbaUo%2fb9MJrfFBbwzoImux8EmFAdxigb7e1zeVhZFVHS%2bt5WjljR7120BnqzQwc1Zi1sTRPf1EFSxVC4XODJ4Kewq7zxGfa%2bVAyiKZPvdqBYv1bSjUGfsSD%2ft8Zw2S%2byL19iwS4fdx0JGvxvQ1ldX44r%2fF5vC5fZqANcKOa2ZvjvrvGdUePfs%2bKKBFkPP2TXlgOBAeX5ULC%2fiGGl4xMwebKGvtToXk%2br63e2bn2C8iBddPAqYfWANgVITlsCbjhWv8oSXpAb4Kp3KMh8Evvz3M3Bc%2fLDJVTnR9WvZEtja3Ba8zyJDNkTqSOYAbsSm2wooBaTY1BUhaRES4hrhGoXxvrRVNVQY8ZZICMHE1FPMUgEHIgccw%2bV4fJPyYIFs4I6vaiixlR8yPDi6HEG4gXhk%3d

Analysis

max time kernel
8s
max time network
9s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
10/05/2024, 05:59

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General

Target

https://api-gateway.plusoftdtm.com/effmail-callback-claro/api/v1/Callback?hash=Fxnd%2fPWyvbi0Fig4R5DeI%2fsbaUo%2fb9MJrfFBbwzoImux8EmFAdxigb7e1zeVhZFVHS%2bt5WjljR7120BnqzQwc1Zi1sTRPf1EFSxVC4XODJ4Kewq7zxGfa%2bVAyiKZPvdqBYv1bSjUGfsSD%2ft8Zw2S%2byL19iwS4fdx0JGvxvQ1ldX44r%2fF5vC5fZqANcKOa2ZvjvrvGdUePfs%2bKKBFkPP2TXlgOBAeX5ULC%2fiGGl4xMwebKGvtToXk%2br63e2bn2C8iBddPAqYfWANgVITlsCbjhWv8oSXpAb4Kp3KMh8Evvz3M3Bc%2fLDJVTnR9WvZEtja3Ba8zyJDNkTqSOYAbsSm2wooBaTY1BUhaRES4hrhGoXxvrRVNVQY8ZZICMHE1FPMUgEHIgccw%2bV4fJPyYIFs4I6vaiixlR8yPDi6HEG4gXhk%3d

Score

1^/10

Malware Config

Signatures

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 4 IoCs

pid	Process
1000	msedge.exe
1000	msedge.exe
4492	msedge.exe
4492	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

pid	Process
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe
4492	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4492 wrote to memory of 5000	4492	msedge.exe	82
PID 4492 wrote to memory of 5000	4492	msedge.exe	82
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 5096	4492	msedge.exe	83
PID 4492 wrote to memory of 1000	4492	msedge.exe	84
PID 4492 wrote to memory of 1000	4492	msedge.exe	84
PID 4492 wrote to memory of 4320	4492	msedge.exe	85
PID 4492 wrote to memory of 4320	4492	msedge.exe	85
PID 4492 wrote to memory of 4320	4492	msedge.exe	85
PID 4492 wrote to memory of 4320	4492	msedge.exe	85
PID 4492 wrote to memory of 4320	4492	msedge.exe	85
PID 4492 wrote to memory of 4320	4492	msedge.exe	85
PID 4492 wrote to memory of 4320	4492	msedge.exe	85
PID 4492 wrote to memory of 4320	4492	msedge.exe	85
PID 4492 wrote to memory of 4320	4492	msedge.exe	85
PID 4492 wrote to memory of 4320	4492	msedge.exe	85
PID 4492 wrote to memory of 4320	4492	msedge.exe	85
PID 4492 wrote to memory of 4320	4492	msedge.exe	85
PID 4492 wrote to memory of 4320	4492	msedge.exe	85
PID 4492 wrote to memory of 4320	4492	msedge.exe	85
PID 4492 wrote to memory of 4320	4492	msedge.exe	85
PID 4492 wrote to memory of 4320	4492	msedge.exe	85
PID 4492 wrote to memory of 4320	4492	msedge.exe	85
PID 4492 wrote to memory of 4320	4492	msedge.exe	85
PID 4492 wrote to memory of 4320	4492	msedge.exe	85
PID 4492 wrote to memory of 4320	4492	msedge.exe	85

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://api-gateway.plusoftdtm.com/effmail-callback-claro/api/v1/Callback?hash=Fxnd%2fPWyvbi0Fig4R5DeI%2fsbaUo%2fb9MJrfFBbwzoImux8EmFAdxigb7e1zeVhZFVHS%2bt5WjljR7120BnqzQwc1Zi1sTRPf1EFSxVC4XODJ4Kewq7zxGfa%2bVAyiKZPvdqBYv1bSjUGfsSD%2ft8Zw2S%2byL19iwS4fdx0JGvxvQ1ldX44r%2fF5vC5fZqANcKOa2ZvjvrvGdUePfs%2bKKBFkPP2TXlgOBAeX5ULC%2fiGGl4xMwebKGvtToXk%2br63e2bn2C8iBddPAqYfWANgVITlsCbjhWv8oSXpAb4Kp3KMh8Evvz3M3Bc%2fLDJVTnR9WvZEtja3Ba8zyJDNkTqSOYAbsSm2wooBaTY1BUhaRES4hrhGoXxvrRVNVQY8ZZICMHE1FPMUgEHIgccw%2bV4fJPyYIFs4I6vaiixlR8yPDi6HEG4gXhk%3d
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:4492
- 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,0x100,0x104,0xd8,0x108,0x7ffe902246f8,0x7ffe90224708,0x7ffe90224718
  2⤵
  PID:5000
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2140,3485968518511474933,18282086251199390169,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2160 /prefetch:2
  2⤵
  PID:5096
- 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=2140,3485968518511474933,18282086251199390169,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2320 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1000
- 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=2140,3485968518511474933,18282086251199390169,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2676 /prefetch:8
  2⤵
  PID:4320
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,3485968518511474933,18282086251199390169,131072 --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=3312 /prefetch:1
  2⤵
  PID:4960
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,3485968518511474933,18282086251199390169,131072 --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=3328 /prefetch:1
  2⤵
  PID:5016
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,3485968518511474933,18282086251199390169,131072 --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=4920 /prefetch:1
  2⤵
  PID:4856

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1336

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4056

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
ce4c898f8fc7601e2fbc252fdadb5115

SHA1
01bf06badc5da353e539c7c07527d30dccc55a91

SHA256
bce2dfaa91f0d44e977e0f79c60e64954a7b9dc828b0e30fbaa67dbe82f750aa

SHA512
80fff4c722c8d3e69ec4f09510779b7e3518ae60725d2d36903e606a27ec1eaedbdbfac5b662bf2c19194c572ccf0125445f22a907b329ad256e6c00b9cf032c

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

Filesize
152B

MD5
4158365912175436289496136e7912c2

SHA1
813d11f772b1cfe9ceac2bf37f4f741e5e8fbe59

SHA256
354de4b033ba6e4d85f94d91230cb8501f62e0a4e302cd4076c7e0ad73bedbd1

SHA512
74b4f7b24ad4ea395f3a4cd8dbfae54f112a7c87bce3d286ee5161f6b63d62dfa19bb0d96bb7ed1c6d925f5697a2580c25023d5052c6a09992e6fd9dd49ea82b

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

Filesize
6KB

MD5
b8d77b21305a27d9c884f3b6a61fe905

SHA1
f276ea8a0d4414dec5e3434fbdc1f8dfb1c83aae

SHA256
56e4d27b900b85af3287ffe3a691dd76dcafd66b3df48d8fca95305c1628cc19

SHA512
efd14337f1304e983c541ec1363c7248d66b8a43a933e6d667a48cbd0403cd9ebe4c8247c29f0fce9fca492359d106438ddc9d21ceec06a9b22563e91fef30ee

Download Submit