darkcomet | 3518f46591187d365ba1cc26bfbdd52db6f0d8a248df2a357c9d85afb55b1dac

General

Target

JaffaCakes118_657380baaae864d81bb1fe806cd898d0.exe
Size

790KB
MD5

657380baaae864d81bb1fe806cd898d0
SHA1

d011a67e59f02fb688f8c843817e025daa18e02e
SHA256

3518f46591187d365ba1cc26bfbdd52db6f0d8a248df2a357c9d85afb55b1dac
SHA512

bf03f98845fa2d2eea56d1c3c45889aae894fdb72b456b576128f4320b238f7cb731dbf172df15750cc5a7d330dcce2621914441936cfc845ac383f9f499e73e
SSDEEP

12288:Opm7X01MNN39ZsqnyYNzNzNFgIBSl8XcZBZoDk13:kJGtZsHYNNPgIBA8XiQw13

Score

10^/10

darkcomet guest16 discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

kinsab.no-ip.org:1605

kinsab.no-ip.org:1604

kinsab.no-ip.org:1606

Mutex

DC_MUTEX-5P1MKSG

Attributes

gencode
CDwMC0auwAZt
install
false
offline_keylogger
true
persistence
false

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	JaffaCakes118_657380baaae864d81bb1fe806cd898d0.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4164 set thread context of 3392	4164	JaffaCakes118_657380baaae864d81bb1fe806cd898d0.exe	87

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3392-6-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-9-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-10-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-11-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-12-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-13-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-14-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-15-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-23-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-24-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-25-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-26-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-27-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-28-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-31-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-33-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-34-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-35-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-37-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3392-38-0x0000000000400000-0x00000000004B7000-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 3 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	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_657380baaae864d81bb1fe806cd898d0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings	JaffaCakes118_657380baaae864d81bb1fe806cd898d0.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3392	vbc.exe
Token: SeSecurityPrivilege	3392	vbc.exe
Token: SeTakeOwnershipPrivilege	3392	vbc.exe
Token: SeLoadDriverPrivilege	3392	vbc.exe
Token: SeSystemProfilePrivilege	3392	vbc.exe
Token: SeSystemtimePrivilege	3392	vbc.exe
Token: SeProfSingleProcessPrivilege	3392	vbc.exe
Token: SeIncBasePriorityPrivilege	3392	vbc.exe
Token: SeCreatePagefilePrivilege	3392	vbc.exe
Token: SeBackupPrivilege	3392	vbc.exe
Token: SeRestorePrivilege	3392	vbc.exe
Token: SeShutdownPrivilege	3392	vbc.exe
Token: SeDebugPrivilege	3392	vbc.exe
Token: SeSystemEnvironmentPrivilege	3392	vbc.exe
Token: SeChangeNotifyPrivilege	3392	vbc.exe
Token: SeRemoteShutdownPrivilege	3392	vbc.exe
Token: SeUndockPrivilege	3392	vbc.exe
Token: SeManageVolumePrivilege	3392	vbc.exe
Token: SeImpersonatePrivilege	3392	vbc.exe
Token: SeCreateGlobalPrivilege	3392	vbc.exe
Token: 33	3392	vbc.exe
Token: 34	3392	vbc.exe
Token: 35	3392	vbc.exe
Token: 36	3392	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3392	vbc.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4164 wrote to memory of 3392	4164	JaffaCakes118_657380baaae864d81bb1fe806cd898d0.exe	87
PID 4164 wrote to memory of 3392	4164	JaffaCakes118_657380baaae864d81bb1fe806cd898d0.exe	87
PID 4164 wrote to memory of 3392	4164	JaffaCakes118_657380baaae864d81bb1fe806cd898d0.exe	87
PID 4164 wrote to memory of 3392	4164	JaffaCakes118_657380baaae864d81bb1fe806cd898d0.exe	87
PID 4164 wrote to memory of 3392	4164	JaffaCakes118_657380baaae864d81bb1fe806cd898d0.exe	87
PID 4164 wrote to memory of 3392	4164	JaffaCakes118_657380baaae864d81bb1fe806cd898d0.exe	87
PID 4164 wrote to memory of 3392	4164	JaffaCakes118_657380baaae864d81bb1fe806cd898d0.exe	87
PID 4164 wrote to memory of 3392	4164	JaffaCakes118_657380baaae864d81bb1fe806cd898d0.exe	87
PID 4164 wrote to memory of 1696	4164	JaffaCakes118_657380baaae864d81bb1fe806cd898d0.exe	88
PID 4164 wrote to memory of 1696	4164	JaffaCakes118_657380baaae864d81bb1fe806cd898d0.exe	88
PID 4164 wrote to memory of 1696	4164	JaffaCakes118_657380baaae864d81bb1fe806cd898d0.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_657380baaae864d81bb1fe806cd898d0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_657380baaae864d81bb1fe806cd898d0.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4164
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3392
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\IzMBz.vbs"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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

C:\Users\Admin\AppData\Local\Temp\IzMBz.vbs

Filesize
394B

MD5
f52500f8ed2a5563b54286f1127195a4

SHA1
ce3615fffedcad20d348e7a501f68f61c8da186b

SHA256
1e4f06a679a3fac8a4b667bad3a4b3a728cc611f2db9988e85ca6f9acded8104

SHA512
e94ee1d6c6d00c873f8f73b4b7acb1b3e95a3278f08851465d32ce560bb29cc158b0e861b57045fb14c25e1d273c3426f976edf3398153517e586b9ea3d8d9ab

Download Submit
memory/3392-23-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-35-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-6-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-9-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-10-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-11-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-12-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-13-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-14-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-15-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-34-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-33-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-24-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-25-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-26-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-27-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-28-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3392-31-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4164-2-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4164-4-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4164-1-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4164-5-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4164-3-0x0000000075542000-0x0000000075543000-memory.dmp

Filesize
4KB

Download
memory/4164-22-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4164-0-0x0000000075542000-0x0000000075543000-memory.dmp

Filesize
4KB

Download

Analysis

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