skuld | 7776a6fbb3b3f62999ae1cf161f2f24dbf293b64e5318cbe01cc896e8b94a5cd

Analysis

max time kernel
140s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
24-06-2024 01:30

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General

Target

2024-06-24_8cc716ca671d1fcdf2ac74ddea807572_ngrbot_poet-rat_snatch.exe
Size

14.2MB
MD5

8cc716ca671d1fcdf2ac74ddea807572
SHA1

cf259ccc5c988176330be8a09e4b4daa89e37016
SHA256

7776a6fbb3b3f62999ae1cf161f2f24dbf293b64e5318cbe01cc896e8b94a5cd
SHA512

6efc88379b6efde4c14cb73c3806d833dab4533a45dac8027d3295e440143f203d01044bd46fff5cee665112059696afa08d8221d8cd9d1e04c0f9dc3fc86813
SSDEEP

196608:uwtgC4XNzUQSl/46ilCVja1nNwaDx7cfOTwikF41zxJ4VuWw:uWgf36isM1eaDYOTwD4Nr4Vu

Score

10^/10

skuld persistence stealer

Malware Config

Extracted

Family

skuld

https://discord.com/api/webhooks/1238037759172677703/rKp9kf1vq9un4cYkXgVxTBjN0xe14L5JjHXRHQdqnx5G8M9mmbHi-MtgKRzSMsD9jOEb

Signatures

Skuld stealer
An info stealer written in Go lang.
stealer skuld

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe"	2024-06-24_8cc716ca671d1fcdf2ac74ddea807572_ngrbot_poet-rat_snatch.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
1	api.ipify.org
2	api.ipify.org

Suspicious use of AdjustPrivilegeToken 43 IoCs

description	pid	Process
Token: SeDebugPrivilege	4752	2024-06-24_8cc716ca671d1fcdf2ac74ddea807572_ngrbot_poet-rat_snatch.exe
Token: SeIncreaseQuotaPrivilege	4940	wmic.exe
Token: SeSecurityPrivilege	4940	wmic.exe
Token: SeTakeOwnershipPrivilege	4940	wmic.exe
Token: SeLoadDriverPrivilege	4940	wmic.exe
Token: SeSystemProfilePrivilege	4940	wmic.exe
Token: SeSystemtimePrivilege	4940	wmic.exe
Token: SeProfSingleProcessPrivilege	4940	wmic.exe
Token: SeIncBasePriorityPrivilege	4940	wmic.exe
Token: SeCreatePagefilePrivilege	4940	wmic.exe
Token: SeBackupPrivilege	4940	wmic.exe
Token: SeRestorePrivilege	4940	wmic.exe
Token: SeShutdownPrivilege	4940	wmic.exe
Token: SeDebugPrivilege	4940	wmic.exe
Token: SeSystemEnvironmentPrivilege	4940	wmic.exe
Token: SeRemoteShutdownPrivilege	4940	wmic.exe
Token: SeUndockPrivilege	4940	wmic.exe
Token: SeManageVolumePrivilege	4940	wmic.exe
Token: 33	4940	wmic.exe
Token: 34	4940	wmic.exe
Token: 35	4940	wmic.exe
Token: 36	4940	wmic.exe
Token: SeIncreaseQuotaPrivilege	4940	wmic.exe
Token: SeSecurityPrivilege	4940	wmic.exe
Token: SeTakeOwnershipPrivilege	4940	wmic.exe
Token: SeLoadDriverPrivilege	4940	wmic.exe
Token: SeSystemProfilePrivilege	4940	wmic.exe
Token: SeSystemtimePrivilege	4940	wmic.exe
Token: SeProfSingleProcessPrivilege	4940	wmic.exe
Token: SeIncBasePriorityPrivilege	4940	wmic.exe
Token: SeCreatePagefilePrivilege	4940	wmic.exe
Token: SeBackupPrivilege	4940	wmic.exe
Token: SeRestorePrivilege	4940	wmic.exe
Token: SeShutdownPrivilege	4940	wmic.exe
Token: SeDebugPrivilege	4940	wmic.exe
Token: SeSystemEnvironmentPrivilege	4940	wmic.exe
Token: SeRemoteShutdownPrivilege	4940	wmic.exe
Token: SeUndockPrivilege	4940	wmic.exe
Token: SeManageVolumePrivilege	4940	wmic.exe
Token: 33	4940	wmic.exe
Token: 34	4940	wmic.exe
Token: 35	4940	wmic.exe
Token: 36	4940	wmic.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4752 wrote to memory of 3664	4752	2024-06-24_8cc716ca671d1fcdf2ac74ddea807572_ngrbot_poet-rat_snatch.exe	91
PID 4752 wrote to memory of 3664	4752	2024-06-24_8cc716ca671d1fcdf2ac74ddea807572_ngrbot_poet-rat_snatch.exe	91
PID 4752 wrote to memory of 4940	4752	2024-06-24_8cc716ca671d1fcdf2ac74ddea807572_ngrbot_poet-rat_snatch.exe	92
PID 4752 wrote to memory of 4940	4752	2024-06-24_8cc716ca671d1fcdf2ac74ddea807572_ngrbot_poet-rat_snatch.exe	92
PID 4752 wrote to memory of 3872	4752	2024-06-24_8cc716ca671d1fcdf2ac74ddea807572_ngrbot_poet-rat_snatch.exe	94
PID 4752 wrote to memory of 3872	4752	2024-06-24_8cc716ca671d1fcdf2ac74ddea807572_ngrbot_poet-rat_snatch.exe	94

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3664	attrib.exe
3872	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-24_8cc716ca671d1fcdf2ac74ddea807572_ngrbot_poet-rat_snatch.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-24_8cc716ca671d1fcdf2ac74ddea807572_ngrbot_poet-rat_snatch.exe"
1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4752
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Local\Temp\2024-06-24_8cc716ca671d1fcdf2ac74ddea807572_ngrbot_poet-rat_snatch.exe
  2⤵
  - Views/modifies file attributes
  PID:3664
- C:\Windows\System32\Wbem\wmic.exe
  wmic csproduct get UUID
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4940
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
  2⤵
  - Views/modifies file attributes
  PID:3872

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4004 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
1⤵
PID:1692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe

Filesize
14.2MB

MD5
8cc716ca671d1fcdf2ac74ddea807572

SHA1
cf259ccc5c988176330be8a09e4b4daa89e37016

SHA256
7776a6fbb3b3f62999ae1cf161f2f24dbf293b64e5318cbe01cc896e8b94a5cd

SHA512
6efc88379b6efde4c14cb73c3806d833dab4533a45dac8027d3295e440143f203d01044bd46fff5cee665112059696afa08d8221d8cd9d1e04c0f9dc3fc86813

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads