darkcomet | f5479ca4e7dc218260c6b9613a6146aaec7726aca37568cc308d80f1fe8bea17

General

Target

5ee25cb261f9d9172c3ace48d150158b_JaffaCakes118.exe
Size

404KB
MD5

5ee25cb261f9d9172c3ace48d150158b
SHA1

a695c4c1c999dcf7f89b2e547cff652c9f459b47
SHA256

f5479ca4e7dc218260c6b9613a6146aaec7726aca37568cc308d80f1fe8bea17
SHA512

1e340e428962bccd0e26033f03e029d4532fb54903b8af2c55b6b6bc4b56fc873c47af5c9dedf2105d2353b5eb995836305be255c182845d154b2a96b051831c
SSDEEP

6144:GTcq7mjYvGrq/fb3A8/1OHxyKC65jI5J+A+EHih3dqO7m+fPIj3HZxHEVAUFP:GS0+sfn76s+zEHih3X7m+uzEVTFP

Score

10^/10

darkcomet latentbot persistence rat trojan upx

Malware Config

Extracted

Family

latentbot

C2

zemretikogfgfhjkf.zapto.org

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
trojan latentbot

Executes dropped EXE 1 IoCs

pid	Process
4352	flashn.exe

UPX packed file 16 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4352-10-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral2/memory/4352-13-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral2/memory/4352-14-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral2/memory/4352-15-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral2/memory/4352-17-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral2/memory/4352-18-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral2/memory/4352-19-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral2/memory/4352-20-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral2/memory/4352-21-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral2/memory/4352-22-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral2/memory/4352-23-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral2/memory/4352-24-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral2/memory/4352-25-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral2/memory/4352-26-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral2/memory/4352-27-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral2/memory/4352-28-0x0000000000400000-0x00000000004B4000-memory.dmp	upx

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-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hgwf1h3ra151mazgnkkeh3tgu332xab5 = "C:\\Users\\Admin\\AppData\\Roaming\\4njfkfld\\flashc.exe"	5ee25cb261f9d9172c3ace48d150158b_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 604 set thread context of 4352	604	5ee25cb261f9d9172c3ace48d150158b_JaffaCakes118.exe	86

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4352	flashn.exe
Token: SeSecurityPrivilege	4352	flashn.exe
Token: SeTakeOwnershipPrivilege	4352	flashn.exe
Token: SeLoadDriverPrivilege	4352	flashn.exe
Token: SeSystemProfilePrivilege	4352	flashn.exe
Token: SeSystemtimePrivilege	4352	flashn.exe
Token: SeProfSingleProcessPrivilege	4352	flashn.exe
Token: SeIncBasePriorityPrivilege	4352	flashn.exe
Token: SeCreatePagefilePrivilege	4352	flashn.exe
Token: SeBackupPrivilege	4352	flashn.exe
Token: SeRestorePrivilege	4352	flashn.exe
Token: SeShutdownPrivilege	4352	flashn.exe
Token: SeDebugPrivilege	4352	flashn.exe
Token: SeSystemEnvironmentPrivilege	4352	flashn.exe
Token: SeChangeNotifyPrivilege	4352	flashn.exe
Token: SeRemoteShutdownPrivilege	4352	flashn.exe
Token: SeUndockPrivilege	4352	flashn.exe
Token: SeManageVolumePrivilege	4352	flashn.exe
Token: SeImpersonatePrivilege	4352	flashn.exe
Token: SeCreateGlobalPrivilege	4352	flashn.exe
Token: 33	4352	flashn.exe
Token: 34	4352	flashn.exe
Token: 35	4352	flashn.exe
Token: 36	4352	flashn.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 604 wrote to memory of 4352	604	5ee25cb261f9d9172c3ace48d150158b_JaffaCakes118.exe	86
PID 604 wrote to memory of 4352	604	5ee25cb261f9d9172c3ace48d150158b_JaffaCakes118.exe	86
PID 604 wrote to memory of 4352	604	5ee25cb261f9d9172c3ace48d150158b_JaffaCakes118.exe	86
PID 604 wrote to memory of 4352	604	5ee25cb261f9d9172c3ace48d150158b_JaffaCakes118.exe	86
PID 604 wrote to memory of 4352	604	5ee25cb261f9d9172c3ace48d150158b_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\5ee25cb261f9d9172c3ace48d150158b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5ee25cb261f9d9172c3ace48d150158b_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:604
- C:\Users\Admin\AppData\Local\Temp\flashn.exe
  "C:\Users\Admin\AppData\Local\Temp\flashn.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\flashn.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/604-0-0x0000000074A62000-0x0000000074A63000-memory.dmp

Filesize
4KB

Download
memory/604-1-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/604-2-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/604-11-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/4352-16-0x0000000000A20000-0x0000000000A21000-memory.dmp

Filesize
4KB

Download
memory/4352-20-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/4352-13-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/4352-14-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/4352-15-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/4352-10-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/4352-17-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/4352-18-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/4352-19-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/4352-12-0x0000000000A20000-0x0000000000A21000-memory.dmp

Filesize
4KB

Download
memory/4352-21-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/4352-22-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/4352-23-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/4352-24-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/4352-25-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/4352-26-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/4352-27-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/4352-28-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads