darkcomet | b67273426b187212e1b5eedb340c8a34d7b6f43339f2cfe8036b7b903edad9d5

General

Target

d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe
Size

596KB
MD5

d030e69d60fbc0819bbdaacc66a902bf
SHA1

77cb5716f9f5ccc26d172ec8f721e8e482d0dd37
SHA256

b67273426b187212e1b5eedb340c8a34d7b6f43339f2cfe8036b7b903edad9d5
SHA512

4f5ac3a31448ac1f580bc36fd8171cc178e68fa7460db9a5e41562ec634c28a7514be47d8e623c5547343771605a49bf58198a3f99f16489d57ded2ed32ea6da
SSDEEP

12288:OVZPjJA6ZkA+Ah8x/mYMIDWWwveLurnCWtoDH6An+fxBIjnq:OVBJFZkAT8xuY36W8nCyffAjn

Score

10^/10

darkcomet modiloader guest16_min discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

nikospap.zapto.org:3206

Mutex

DCMIN_MUTEX-USMAYRA

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
dQyDfVnpjzSY
install
true
offline_keylogger
true
persistence
false
reg_key
Cleaner

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\DCSCMIN\\IMDCSC.exe"	vbc.exe

Modiloader family
modiloader

ModiLoader Second Stage 2 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001202c-32.dat	modiloader_stage2
behavioral1/memory/2416-44-0x0000000000400000-0x0000000000411000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
2416	Build.exe
2984	IMDCSC.exe

Loads dropped DLL 3 IoCs

pid	Process
1748	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe
1748	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe
2120	vbc.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Update = "C:\\Users\\Admin\\AppData\\Roaming\\Win Update.exe"	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\Cleaner = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\DCSCMIN\\IMDCSC.exe"	vbc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1748 set thread context of 2120	1748	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe	30

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 4 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	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Build.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2120	vbc.exe
Token: SeSecurityPrivilege	2120	vbc.exe
Token: SeTakeOwnershipPrivilege	2120	vbc.exe
Token: SeLoadDriverPrivilege	2120	vbc.exe
Token: SeSystemProfilePrivilege	2120	vbc.exe
Token: SeSystemtimePrivilege	2120	vbc.exe
Token: SeProfSingleProcessPrivilege	2120	vbc.exe
Token: SeIncBasePriorityPrivilege	2120	vbc.exe
Token: SeCreatePagefilePrivilege	2120	vbc.exe
Token: SeBackupPrivilege	2120	vbc.exe
Token: SeRestorePrivilege	2120	vbc.exe
Token: SeShutdownPrivilege	2120	vbc.exe
Token: SeDebugPrivilege	2120	vbc.exe
Token: SeSystemEnvironmentPrivilege	2120	vbc.exe
Token: SeChangeNotifyPrivilege	2120	vbc.exe
Token: SeRemoteShutdownPrivilege	2120	vbc.exe
Token: SeUndockPrivilege	2120	vbc.exe
Token: SeManageVolumePrivilege	2120	vbc.exe
Token: SeImpersonatePrivilege	2120	vbc.exe
Token: SeCreateGlobalPrivilege	2120	vbc.exe
Token: 33	2120	vbc.exe
Token: 34	2120	vbc.exe
Token: 35	2120	vbc.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 2120	1748	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2120	1748	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2120	1748	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2120	1748	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2120	1748	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2120	1748	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2120	1748	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2120	1748	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2120	1748	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2120	1748	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2120	1748	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2120	1748	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2120	1748	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe	30
PID 1748 wrote to memory of 2416	1748	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe	31
PID 1748 wrote to memory of 2416	1748	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe	31
PID 1748 wrote to memory of 2416	1748	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe	31
PID 1748 wrote to memory of 2416	1748	d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe	31
PID 2120 wrote to memory of 2984	2120	vbc.exe	32
PID 2120 wrote to memory of 2984	2120	vbc.exe	32
PID 2120 wrote to memory of 2984	2120	vbc.exe	32
PID 2120 wrote to memory of 2984	2120	vbc.exe	32

C:\Users\Admin\AppData\Local\Temp\d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d030e69d60fbc0819bbdaacc66a902bf_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - Modifies WinLogon for persistence
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2120
- - C:\ProgramData\Microsoft\Windows\Start Menu\DCSCMIN\IMDCSC.exe
    "C:\ProgramData\Microsoft\Windows\Start Menu\DCSCMIN\IMDCSC.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2984
- C:\Users\Admin\AppData\Local\Temp\Build.exe
  "C:\Users\Admin\AppData\Local\Temp\Build.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

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

C:\ProgramData\Microsoft\Windows\Start Menu\DCSCMIN\IMDCSC.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
C:\Users\Admin\AppData\Local\Temp\Build.exe

Filesize
36KB

MD5
2bf16d68abc0cf9d18fb973621816b21

SHA1
8555e7452a780070e4e4ea5a7ca4801764996dc2

SHA256
0d088c8fe635cbd2afb1e3b414980f200add83a9bb9272883307f324b467a8c4

SHA512
a9b112202bca9f37fff0e7108d273de2ce4025d27a6bbc2a66c59d7590a63f648a61c645e5ba53308eb6203e8752e8525e7839f3200270d65cd801f71710c1d2

Download Submit
memory/1748-0-0x0000000074D81000-0x0000000074D82000-memory.dmp

Filesize
4KB

Download
memory/1748-1-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/1748-2-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/1748-36-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/2120-15-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2120-22-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2120-20-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2120-19-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2120-23-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2120-13-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2120-9-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2120-25-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2120-7-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2120-5-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2120-4-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2120-12-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2120-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2120-3-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2120-42-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2416-44-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads