darkcomet | f8a84bf759c8278809dc27249a20fa793b79e3143e6c5eeddab71fc551851a64

General

Target

cc3f65c0563e924334171c34739b93a1_JaffaCakes118.exe
Size

406KB
MD5

cc3f65c0563e924334171c34739b93a1
SHA1

57a2c69cabe40bf0029659ec85b7973a5b66cb60
SHA256

f8a84bf759c8278809dc27249a20fa793b79e3143e6c5eeddab71fc551851a64
SHA512

6891469562eb8db984370a90c56a903c6da70dad4774ba0107f235351a2fbc8f448f6259f42e0b1f68742d8d06b889d8ed79bd1bf676dff9668cb316393adb9e
SSDEEP

12288:OA7Z754T7Yx9Zg9FwKAFq20/Q4QaXCptDl1nSf:OA7N5G7X9DAFqdoQSpt

Score

10^/10

darkcomet mike1 discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

mike1

C2

hack222.no-ip.org:9999

Mutex

DC_MUTEX-6FY2DLH

Attributes

gencode
GojiebcNvf2x
install
false
offline_keylogger
true
password
237566
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

Executes dropped EXE 1 IoCs

pid	Process
1980	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
304	cc3f65c0563e924334171c34739b93a1_JaffaCakes118.exe

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\tmpCF22 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\tmpCF21.tmp.exe\""	cc3f65c0563e924334171c34739b93a1_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 304 set thread context of 1980	304	cc3f65c0563e924334171c34739b93a1_JaffaCakes118.exe	31

UPX packed file 26 IoCs

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

upx

resource	yara_rule
behavioral1/memory/304-4-0x00000000002A0000-0x0000000000355000-memory.dmp	upx
behavioral1/memory/1980-15-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-22-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-11-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-24-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-10-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-26-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-29-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-28-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-25-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-17-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-30-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-31-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-32-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-33-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-34-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-35-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-36-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-37-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-38-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-39-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-40-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-41-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-42-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-43-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1980-44-0x0000000000400000-0x00000000004B5000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cc3f65c0563e924334171c34739b93a1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
304	cc3f65c0563e924334171c34739b93a1_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	304	cc3f65c0563e924334171c34739b93a1_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1980	svchost.exe
Token: SeSecurityPrivilege	1980	svchost.exe
Token: SeTakeOwnershipPrivilege	1980	svchost.exe
Token: SeLoadDriverPrivilege	1980	svchost.exe
Token: SeSystemProfilePrivilege	1980	svchost.exe
Token: SeSystemtimePrivilege	1980	svchost.exe
Token: SeProfSingleProcessPrivilege	1980	svchost.exe
Token: SeIncBasePriorityPrivilege	1980	svchost.exe
Token: SeCreatePagefilePrivilege	1980	svchost.exe
Token: SeBackupPrivilege	1980	svchost.exe
Token: SeRestorePrivilege	1980	svchost.exe
Token: SeShutdownPrivilege	1980	svchost.exe
Token: SeDebugPrivilege	1980	svchost.exe
Token: SeSystemEnvironmentPrivilege	1980	svchost.exe
Token: SeChangeNotifyPrivilege	1980	svchost.exe
Token: SeRemoteShutdownPrivilege	1980	svchost.exe
Token: SeUndockPrivilege	1980	svchost.exe
Token: SeManageVolumePrivilege	1980	svchost.exe
Token: SeImpersonatePrivilege	1980	svchost.exe
Token: SeCreateGlobalPrivilege	1980	svchost.exe
Token: 33	1980	svchost.exe
Token: 34	1980	svchost.exe
Token: 35	1980	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1980	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 304 wrote to memory of 1980	304	cc3f65c0563e924334171c34739b93a1_JaffaCakes118.exe	31
PID 304 wrote to memory of 1980	304	cc3f65c0563e924334171c34739b93a1_JaffaCakes118.exe	31
PID 304 wrote to memory of 1980	304	cc3f65c0563e924334171c34739b93a1_JaffaCakes118.exe	31
PID 304 wrote to memory of 1980	304	cc3f65c0563e924334171c34739b93a1_JaffaCakes118.exe	31
PID 304 wrote to memory of 1980	304	cc3f65c0563e924334171c34739b93a1_JaffaCakes118.exe	31
PID 304 wrote to memory of 1980	304	cc3f65c0563e924334171c34739b93a1_JaffaCakes118.exe	31
PID 304 wrote to memory of 1980	304	cc3f65c0563e924334171c34739b93a1_JaffaCakes118.exe	31
PID 304 wrote to memory of 1980	304	cc3f65c0563e924334171c34739b93a1_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\cc3f65c0563e924334171c34739b93a1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cc3f65c0563e924334171c34739b93a1_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:304
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\svchost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1980

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

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
memory/304-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/304-1-0x0000000000DC0000-0x0000000000E2C000-memory.dmp

Filesize
432KB

Download
memory/304-2-0x00000000001A0000-0x00000000001AA000-memory.dmp

Filesize
40KB

Download
memory/304-4-0x00000000002A0000-0x0000000000355000-memory.dmp

Filesize
724KB

Download
memory/1980-25-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-30-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1980-11-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-24-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-8-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-10-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-27-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1980-26-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-29-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-28-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-15-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-17-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-22-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-31-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-32-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-33-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-34-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-35-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-36-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-37-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-38-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-39-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-40-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-41-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-42-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-43-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1980-44-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads