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
2664	flashn.exe

Loads dropped DLL 1 IoCs

pid	Process
808	5ee25cb261f9d9172c3ace48d150158b_JaffaCakes118.exe

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2664-13-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2664-15-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2664-14-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2664-16-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2664-17-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2664-18-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2664-19-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2664-20-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2664-21-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2664-22-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2664-23-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2664-24-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2664-25-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2664-26-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2664-27-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2664-28-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2664-29-0x0000000000400000-0x00000000004B4000-memory.dmp	upx
behavioral1/memory/2664-30-0x0000000000400000-0x00000000004B4000-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-1-5-21-1506706701-1246725540-2219210854-1000\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 808 set thread context of 2664	808	5ee25cb261f9d9172c3ace48d150158b_JaffaCakes118.exe	30

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2664	flashn.exe
Token: SeSecurityPrivilege	2664	flashn.exe
Token: SeTakeOwnershipPrivilege	2664	flashn.exe
Token: SeLoadDriverPrivilege	2664	flashn.exe
Token: SeSystemProfilePrivilege	2664	flashn.exe
Token: SeSystemtimePrivilege	2664	flashn.exe
Token: SeProfSingleProcessPrivilege	2664	flashn.exe
Token: SeIncBasePriorityPrivilege	2664	flashn.exe
Token: SeCreatePagefilePrivilege	2664	flashn.exe
Token: SeBackupPrivilege	2664	flashn.exe
Token: SeRestorePrivilege	2664	flashn.exe
Token: SeShutdownPrivilege	2664	flashn.exe
Token: SeDebugPrivilege	2664	flashn.exe
Token: SeSystemEnvironmentPrivilege	2664	flashn.exe
Token: SeChangeNotifyPrivilege	2664	flashn.exe
Token: SeRemoteShutdownPrivilege	2664	flashn.exe
Token: SeUndockPrivilege	2664	flashn.exe
Token: SeManageVolumePrivilege	2664	flashn.exe
Token: SeImpersonatePrivilege	2664	flashn.exe
Token: SeCreateGlobalPrivilege	2664	flashn.exe
Token: 33	2664	flashn.exe
Token: 34	2664	flashn.exe
Token: 35	2664	flashn.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 2664	808	5ee25cb261f9d9172c3ace48d150158b_JaffaCakes118.exe	30
PID 808 wrote to memory of 2664	808	5ee25cb261f9d9172c3ace48d150158b_JaffaCakes118.exe	30
PID 808 wrote to memory of 2664	808	5ee25cb261f9d9172c3ace48d150158b_JaffaCakes118.exe	30
PID 808 wrote to memory of 2664	808	5ee25cb261f9d9172c3ace48d150158b_JaffaCakes118.exe	30
PID 808 wrote to memory of 2664	808	5ee25cb261f9d9172c3ace48d150158b_JaffaCakes118.exe	30
PID 808 wrote to memory of 2664	808	5ee25cb261f9d9172c3ace48d150158b_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\5ee25cb261f9d9172c3ace48d150158b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5ee25cb261f9d9172c3ace48d150158b_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:808
- 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:2664

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

Loading Replay Monitor...

Downloads

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

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/808-12-0x0000000074420000-0x00000000749CB000-memory.dmp

Filesize
5.7MB

Download
memory/808-1-0x0000000074420000-0x00000000749CB000-memory.dmp

Filesize
5.7MB

Download
memory/808-4-0x0000000074420000-0x00000000749CB000-memory.dmp

Filesize
5.7MB

Download
memory/808-0-0x0000000074421000-0x0000000074422000-memory.dmp

Filesize
4KB

Download
memory/2664-19-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2664-21-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2664-15-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2664-14-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2664-16-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2664-17-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2664-18-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2664-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2664-20-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2664-13-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2664-22-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2664-23-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2664-24-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2664-25-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2664-26-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2664-27-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2664-28-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2664-29-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2664-30-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads