darkcomet | 3af00dab700d3c2630acbff1cc8da5bf090ba90c76fc2d6e4235efc6dce5bd6f

General

Target

JaffaCakes118_2c17b03ea83c75ee696e78f4b9f36ff8.exe
Size

442KB
MD5

2c17b03ea83c75ee696e78f4b9f36ff8
SHA1

bab7adfd0433960ffadcda10e0dd188964640f06
SHA256

3af00dab700d3c2630acbff1cc8da5bf090ba90c76fc2d6e4235efc6dce5bd6f
SHA512

ce532dce71ec737c962b139669b652bea6120dde3c8e03142f6346c1f25725910fabe73e98fee6099b540cb45f20fb001775b6f8f817f6b2eca29e68521eb7ce
SSDEEP

12288:fGGKfFVPOaynQgTsgj8PS/tsRZjmK1G7WrLO1FJnaKR+e:uxDPNm8PSmCD4

Score

10^/10

darkcomet test discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Test

C2

noss.gotdns.org:1604

noss.gotdns.org:111

Mutex

DC_MUTEX-KMSGFZ5

Attributes

gencode
W08zfJM48AuK
install
false
offline_keylogger
true
persistence
false

rc4.plain

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1880 set thread context of 3036	1880	JaffaCakes118_2c17b03ea83c75ee696e78f4b9f36ff8.exe	31

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3036-12-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3036-11-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3036-8-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3036-6-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3036-13-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3036-19-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3036-18-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3036-17-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3036-20-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3036-21-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/3036-22-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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	JaffaCakes118_2c17b03ea83c75ee696e78f4b9f36ff8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	1880	JaffaCakes118_2c17b03ea83c75ee696e78f4b9f36ff8.exe
Token: SeIncreaseQuotaPrivilege	3036	AppLaunch.exe
Token: SeSecurityPrivilege	3036	AppLaunch.exe
Token: SeTakeOwnershipPrivilege	3036	AppLaunch.exe
Token: SeLoadDriverPrivilege	3036	AppLaunch.exe
Token: SeSystemProfilePrivilege	3036	AppLaunch.exe
Token: SeSystemtimePrivilege	3036	AppLaunch.exe
Token: SeProfSingleProcessPrivilege	3036	AppLaunch.exe
Token: SeIncBasePriorityPrivilege	3036	AppLaunch.exe
Token: SeCreatePagefilePrivilege	3036	AppLaunch.exe
Token: SeBackupPrivilege	3036	AppLaunch.exe
Token: SeRestorePrivilege	3036	AppLaunch.exe
Token: SeShutdownPrivilege	3036	AppLaunch.exe
Token: SeDebugPrivilege	3036	AppLaunch.exe
Token: SeSystemEnvironmentPrivilege	3036	AppLaunch.exe
Token: SeChangeNotifyPrivilege	3036	AppLaunch.exe
Token: SeRemoteShutdownPrivilege	3036	AppLaunch.exe
Token: SeUndockPrivilege	3036	AppLaunch.exe
Token: SeManageVolumePrivilege	3036	AppLaunch.exe
Token: SeImpersonatePrivilege	3036	AppLaunch.exe
Token: SeCreateGlobalPrivilege	3036	AppLaunch.exe
Token: 33	3036	AppLaunch.exe
Token: 34	3036	AppLaunch.exe
Token: 35	3036	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3036	AppLaunch.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 3036	1880	JaffaCakes118_2c17b03ea83c75ee696e78f4b9f36ff8.exe	31
PID 1880 wrote to memory of 3036	1880	JaffaCakes118_2c17b03ea83c75ee696e78f4b9f36ff8.exe	31
PID 1880 wrote to memory of 3036	1880	JaffaCakes118_2c17b03ea83c75ee696e78f4b9f36ff8.exe	31
PID 1880 wrote to memory of 3036	1880	JaffaCakes118_2c17b03ea83c75ee696e78f4b9f36ff8.exe	31
PID 1880 wrote to memory of 3036	1880	JaffaCakes118_2c17b03ea83c75ee696e78f4b9f36ff8.exe	31
PID 1880 wrote to memory of 3036	1880	JaffaCakes118_2c17b03ea83c75ee696e78f4b9f36ff8.exe	31
PID 1880 wrote to memory of 3036	1880	JaffaCakes118_2c17b03ea83c75ee696e78f4b9f36ff8.exe	31
PID 1880 wrote to memory of 3036	1880	JaffaCakes118_2c17b03ea83c75ee696e78f4b9f36ff8.exe	31
PID 1880 wrote to memory of 3036	1880	JaffaCakes118_2c17b03ea83c75ee696e78f4b9f36ff8.exe	31
PID 1880 wrote to memory of 3036	1880	JaffaCakes118_2c17b03ea83c75ee696e78f4b9f36ff8.exe	31
PID 1880 wrote to memory of 3036	1880	JaffaCakes118_2c17b03ea83c75ee696e78f4b9f36ff8.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2c17b03ea83c75ee696e78f4b9f36ff8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2c17b03ea83c75ee696e78f4b9f36ff8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1880
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1880-0-0x0000000074571000-0x0000000074572000-memory.dmp

Filesize
4KB

Download
memory/1880-1-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/1880-2-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/1880-3-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/1880-14-0x0000000074570000-0x0000000074B1B000-memory.dmp

Filesize
5.7MB

Download
memory/3036-8-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3036-11-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3036-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3036-12-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3036-6-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3036-13-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3036-5-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3036-19-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3036-18-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3036-17-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3036-20-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3036-21-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3036-22-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

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