darkcomet | 86de20b31d0a51b3fc912a7e0941a9b02cc1874ed09c9334258c43d4364abc36

General

Target

JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Size

335KB
MD5

77c6a710a001c3dd7577b0cb90af6e8a
SHA1

8ad9866df27310e289f572cbee31b64a6f00b611
SHA256

86de20b31d0a51b3fc912a7e0941a9b02cc1874ed09c9334258c43d4364abc36
SHA512

e05a76843eb5a889c1c0fd242b8ef8eaa96ff108fa658d008fafafb7144d95a71d7e75265a2af2d5cade71f22bb1aac2345f5d0dcd71e173b93408bd5e69c1f1
SSDEEP

6144:2gjE26cdCJCdabpH435ebKV84TA0lzquL8crc2fgwYcV9U:vOWalH4wbiZDL8Kc2fgx

Score

10^/10

darkcomet discovery rat trojan upx

Malware Config

Signatures

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

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1916-0-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1916-2-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1916-3-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1916-5-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1916-6-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1916-7-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1916-8-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1916-9-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1916-10-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1916-11-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1916-12-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1916-13-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1916-14-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1916-15-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1916-16-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1916-17-0x0000000000400000-0x00000000004B5000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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_77c6a710a001c3dd7577b0cb90af6e8a.exe

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: SeSecurityPrivilege	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: SeTakeOwnershipPrivilege	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: SeLoadDriverPrivilege	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: SeSystemProfilePrivilege	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: SeSystemtimePrivilege	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: SeProfSingleProcessPrivilege	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: SeIncBasePriorityPrivilege	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: SeCreatePagefilePrivilege	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: SeBackupPrivilege	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: SeRestorePrivilege	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: SeShutdownPrivilege	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: SeDebugPrivilege	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: SeSystemEnvironmentPrivilege	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: SeChangeNotifyPrivilege	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: SeRemoteShutdownPrivilege	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: SeUndockPrivilege	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: SeManageVolumePrivilege	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: SeImpersonatePrivilege	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: SeCreateGlobalPrivilege	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: 33	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: 34	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: 35	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
Token: 36	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 520	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe	82
PID 1916 wrote to memory of 520	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe	82
PID 1916 wrote to memory of 520	1916	JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe	82

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_77c6a710a001c3dd7577b0cb90af6e8a.exe"
1⤵
- Checks BIOS information in registry
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.exe"
  2⤵
  PID:520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

3

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

memory/1916-0-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1916-1-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/1916-2-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1916-3-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1916-4-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/1916-5-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1916-6-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1916-7-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1916-8-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1916-9-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1916-10-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1916-11-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1916-12-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1916-13-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1916-14-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1916-15-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1916-16-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1916-17-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads