darkcomet | 1bb857d88658a768525b56c6078b3595de3493f20ad11dd835ca88cde39ea630

General

Target

5d1867a42f169529137322d8801a7fa9_JaffaCakes118.exe
Size

455KB
MD5

5d1867a42f169529137322d8801a7fa9
SHA1

0de270b151b42984c632232b578b5b3e09b441d4
SHA256

1bb857d88658a768525b56c6078b3595de3493f20ad11dd835ca88cde39ea630
SHA512

5fba551d7e620ec085490999a011aac6ff45ad9b446f057e4482b34589ec991adf818d07924c2d875b7bb0b306075e28a8be38e7a7062ff5cffab877a30dd2c5
SSDEEP

6144:lUTE/NY+73sDjmYglQ1h7tB/KrCS7lz7WEua6PvM86a2nwSzvkQSKkE/WCQtHBxS:aT0NY+7aqYgi1hqJEEl8WMQSKkE/LVJ

Score

10^/10

darkcomet latentbot guest16 evasion rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

darkcometsa.zapto.org:1604

Mutex

DC_MUTEX-F54S21D

Attributes

gencode
UPksglL72mhy
install
false
offline_keylogger
true
persistence
false

Extracted

Family

latentbot

C2

darkcometsa.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

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
2888	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
696	vbc.exe

Loads dropped DLL 1 IoCs

pid	Process
2384	5d1867a42f169529137322d8801a7fa9_JaffaCakes118.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral1/memory/696-15-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/696-21-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/696-20-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/696-11-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/696-10-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/696-22-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/696-25-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/696-24-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/696-26-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/696-27-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/696-28-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/696-29-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/696-31-0x0000000000400000-0x00000000004BA000-memory.dmp	upx

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2384 set thread context of 696	2384	5d1867a42f169529137322d8801a7fa9_JaffaCakes118.exe	30

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	696	vbc.exe
Token: SeSecurityPrivilege	696	vbc.exe
Token: SeTakeOwnershipPrivilege	696	vbc.exe
Token: SeLoadDriverPrivilege	696	vbc.exe
Token: SeSystemProfilePrivilege	696	vbc.exe
Token: SeSystemtimePrivilege	696	vbc.exe
Token: SeProfSingleProcessPrivilege	696	vbc.exe
Token: SeIncBasePriorityPrivilege	696	vbc.exe
Token: SeCreatePagefilePrivilege	696	vbc.exe
Token: SeBackupPrivilege	696	vbc.exe
Token: SeRestorePrivilege	696	vbc.exe
Token: SeShutdownPrivilege	696	vbc.exe
Token: SeDebugPrivilege	696	vbc.exe
Token: SeSystemEnvironmentPrivilege	696	vbc.exe
Token: SeChangeNotifyPrivilege	696	vbc.exe
Token: SeRemoteShutdownPrivilege	696	vbc.exe
Token: SeUndockPrivilege	696	vbc.exe
Token: SeManageVolumePrivilege	696	vbc.exe
Token: SeImpersonatePrivilege	696	vbc.exe
Token: SeCreateGlobalPrivilege	696	vbc.exe
Token: 33	696	vbc.exe
Token: 34	696	vbc.exe
Token: 35	696	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
696	vbc.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 696	2384	5d1867a42f169529137322d8801a7fa9_JaffaCakes118.exe	30
PID 2384 wrote to memory of 696	2384	5d1867a42f169529137322d8801a7fa9_JaffaCakes118.exe	30
PID 2384 wrote to memory of 696	2384	5d1867a42f169529137322d8801a7fa9_JaffaCakes118.exe	30
PID 2384 wrote to memory of 696	2384	5d1867a42f169529137322d8801a7fa9_JaffaCakes118.exe	30
PID 2384 wrote to memory of 696	2384	5d1867a42f169529137322d8801a7fa9_JaffaCakes118.exe	30
PID 2384 wrote to memory of 696	2384	5d1867a42f169529137322d8801a7fa9_JaffaCakes118.exe	30
PID 2384 wrote to memory of 696	2384	5d1867a42f169529137322d8801a7fa9_JaffaCakes118.exe	30
PID 2384 wrote to memory of 696	2384	5d1867a42f169529137322d8801a7fa9_JaffaCakes118.exe	30
PID 2384 wrote to memory of 696	2384	5d1867a42f169529137322d8801a7fa9_JaffaCakes118.exe	30
PID 2384 wrote to memory of 696	2384	5d1867a42f169529137322d8801a7fa9_JaffaCakes118.exe	30
PID 696 wrote to memory of 2764	696	vbc.exe	31
PID 696 wrote to memory of 2764	696	vbc.exe	31
PID 696 wrote to memory of 2764	696	vbc.exe	31
PID 696 wrote to memory of 2764	696	vbc.exe	31
PID 2764 wrote to memory of 2888	2764	cmd.exe	33
PID 2764 wrote to memory of 2888	2764	cmd.exe	33
PID 2764 wrote to memory of 2888	2764	cmd.exe	33
PID 2764 wrote to memory of 2888	2764	cmd.exe	33

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2888	attrib.exe

C:\Users\Admin\AppData\Local\Temp\5d1867a42f169529137322d8801a7fa9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5d1867a42f169529137322d8801a7fa9_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:696
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\5d1867a42f169529137322d8801a7fa9_JaffaCakes118.exe" +s +h
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2764
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\5d1867a42f169529137322d8801a7fa9_JaffaCakes118.exe" +s +h
      4⤵
      Sets file to hidden
      Views/modifies file attributes
      PID:2888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

Scripting

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/696-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/696-28-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/696-11-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/696-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/696-15-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/696-21-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/696-20-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/696-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/696-31-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/696-29-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/696-17-0x0000000000010000-0x0000000000011000-memory.dmp

Filesize
4KB

Download
memory/696-22-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/696-25-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/696-24-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/696-26-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/696-27-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2384-23-0x0000000074770000-0x0000000074D1B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-0-0x0000000074771000-0x0000000074772000-memory.dmp

Filesize
4KB

Download
memory/2384-2-0x0000000074770000-0x0000000074D1B000-memory.dmp

Filesize
5.7MB

Download
memory/2384-1-0x0000000074770000-0x0000000074D1B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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