darkcomet | 3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58

Analysis

max time kernel
151s
max time network
48s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/10/2022, 02:17

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General

Target

3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Size

546KB
MD5

3ed968b2400a5eca52fcf8dc1422ece0
SHA1

10cc685424f274c7b42d26cacf7ad2319fe56000
SHA256

3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58
SHA512

e4260b501b476c613a121940de346e9d3d120329404b19a0d6d15862051358698de5528715369c8094b8934661d11afda4176fbf01fed318280f66e04591e92d
SSDEEP

6144:yJanGOkb7CaMWBe/IMr0yRu7ZcUBpofb71/cJlClb:y+G2WBqxgN7ZcUBGfb5/cJlCh

Score

10^/10

darkcomet guest16 persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

nonalova.no-ip.org:82

Mutex

DC_MUTEX-Q0QWMJU

Attributes

InstallPath
adobe\adobeARM.exe
gencode
GNFv06aHFX6N
install
true
offline_keylogger
true
persistence
false
reg_key
adobeARM

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\adobe\\adobeARM.exe"	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe

Executes dropped EXE 2 IoCs

pid	Process
980	adobeARM.exe
2016	adobeARM.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1684-55-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1684-57-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1684-60-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1684-58-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1684-62-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1684-64-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1684-65-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2016-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2016-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Loads dropped DLL 5 IoCs

pid	Process
1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
1692	WerFault.exe
1692	WerFault.exe
1692	WerFault.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\adobeARM = "C:\\Users\\Admin\\AppData\\Roaming\\adobe\\adobeARM.exe"	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 288 set thread context of 1684	288	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe	28
PID 980 set thread context of 2016	980	adobeARM.exe	32

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1236	288	WerFault.exe	27
1692	980	WerFault.exe	30

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: SeSecurityPrivilege	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: SeTakeOwnershipPrivilege	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: SeLoadDriverPrivilege	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: SeSystemProfilePrivilege	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: SeSystemtimePrivilege	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: SeProfSingleProcessPrivilege	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: SeIncBasePriorityPrivilege	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: SeCreatePagefilePrivilege	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: SeBackupPrivilege	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: SeRestorePrivilege	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: SeShutdownPrivilege	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: SeDebugPrivilege	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: SeSystemEnvironmentPrivilege	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: SeChangeNotifyPrivilege	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: SeRemoteShutdownPrivilege	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: SeUndockPrivilege	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: SeManageVolumePrivilege	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: SeImpersonatePrivilege	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: SeCreateGlobalPrivilege	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: 33	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: 34	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: 35	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
Token: SeIncreaseQuotaPrivilege	2016	adobeARM.exe
Token: SeSecurityPrivilege	2016	adobeARM.exe
Token: SeTakeOwnershipPrivilege	2016	adobeARM.exe
Token: SeLoadDriverPrivilege	2016	adobeARM.exe
Token: SeSystemProfilePrivilege	2016	adobeARM.exe
Token: SeSystemtimePrivilege	2016	adobeARM.exe
Token: SeProfSingleProcessPrivilege	2016	adobeARM.exe
Token: SeIncBasePriorityPrivilege	2016	adobeARM.exe
Token: SeCreatePagefilePrivilege	2016	adobeARM.exe
Token: SeBackupPrivilege	2016	adobeARM.exe
Token: SeRestorePrivilege	2016	adobeARM.exe
Token: SeShutdownPrivilege	2016	adobeARM.exe
Token: SeDebugPrivilege	2016	adobeARM.exe
Token: SeSystemEnvironmentPrivilege	2016	adobeARM.exe
Token: SeChangeNotifyPrivilege	2016	adobeARM.exe
Token: SeRemoteShutdownPrivilege	2016	adobeARM.exe
Token: SeUndockPrivilege	2016	adobeARM.exe
Token: SeManageVolumePrivilege	2016	adobeARM.exe
Token: SeImpersonatePrivilege	2016	adobeARM.exe
Token: SeCreateGlobalPrivilege	2016	adobeARM.exe
Token: 33	2016	adobeARM.exe
Token: 34	2016	adobeARM.exe
Token: 35	2016	adobeARM.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2016	adobeARM.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 288 wrote to memory of 1684	288	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe	28
PID 288 wrote to memory of 1684	288	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe	28
PID 288 wrote to memory of 1684	288	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe	28
PID 288 wrote to memory of 1684	288	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe	28
PID 288 wrote to memory of 1684	288	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe	28
PID 288 wrote to memory of 1684	288	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe	28
PID 288 wrote to memory of 1684	288	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe	28
PID 288 wrote to memory of 1684	288	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe	28
PID 288 wrote to memory of 1236	288	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe	29
PID 288 wrote to memory of 1236	288	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe	29
PID 288 wrote to memory of 1236	288	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe	29
PID 288 wrote to memory of 1236	288	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe	29
PID 1684 wrote to memory of 980	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe	30
PID 1684 wrote to memory of 980	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe	30
PID 1684 wrote to memory of 980	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe	30
PID 1684 wrote to memory of 980	1684	3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe	30
PID 980 wrote to memory of 2016	980	adobeARM.exe	32
PID 980 wrote to memory of 2016	980	adobeARM.exe	32
PID 980 wrote to memory of 2016	980	adobeARM.exe	32
PID 980 wrote to memory of 2016	980	adobeARM.exe	32
PID 980 wrote to memory of 2016	980	adobeARM.exe	32
PID 980 wrote to memory of 2016	980	adobeARM.exe	32
PID 980 wrote to memory of 2016	980	adobeARM.exe	32
PID 980 wrote to memory of 2016	980	adobeARM.exe	32
PID 980 wrote to memory of 1692	980	adobeARM.exe	31
PID 980 wrote to memory of 1692	980	adobeARM.exe	31
PID 980 wrote to memory of 1692	980	adobeARM.exe	31
PID 980 wrote to memory of 1692	980	adobeARM.exe	31

C:\Users\Admin\AppData\Local\Temp\3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
"C:\Users\Admin\AppData\Local\Temp\3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:288
- C:\Users\Admin\AppData\Local\Temp\3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
  C:\Users\Admin\AppData\Local\Temp\3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58.exe
  2⤵
  - Modifies WinLogon for persistence
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1684
- - C:\Users\Admin\AppData\Roaming\adobe\adobeARM.exe
    "C:\Users\Admin\AppData\Roaming\adobe\adobeARM.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:980
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 980 -s 92
      4⤵
      Loads dropped DLL
      Program crash
      PID:1692
  - - C:\Users\Admin\AppData\Roaming\adobe\adobeARM.exe
      C:\Users\Admin\AppData\Roaming\adobe\adobeARM.exe
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2016
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 288 -s 92
  2⤵
  - Program crash
  PID:1236

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\adobeARM.exe

Filesize
546KB

MD5
3ed968b2400a5eca52fcf8dc1422ece0

SHA1
10cc685424f274c7b42d26cacf7ad2319fe56000

SHA256
3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58

SHA512
e4260b501b476c613a121940de346e9d3d120329404b19a0d6d15862051358698de5528715369c8094b8934661d11afda4176fbf01fed318280f66e04591e92d

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe\adobeARM.exe

Filesize
546KB

MD5
3ed968b2400a5eca52fcf8dc1422ece0

SHA1
10cc685424f274c7b42d26cacf7ad2319fe56000

SHA256
3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58

SHA512
e4260b501b476c613a121940de346e9d3d120329404b19a0d6d15862051358698de5528715369c8094b8934661d11afda4176fbf01fed318280f66e04591e92d

Download Submit
C:\Users\Admin\AppData\Roaming\adobe\adobeARM.exe

Filesize
546KB

MD5
3ed968b2400a5eca52fcf8dc1422ece0

SHA1
10cc685424f274c7b42d26cacf7ad2319fe56000

SHA256
3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58

SHA512
e4260b501b476c613a121940de346e9d3d120329404b19a0d6d15862051358698de5528715369c8094b8934661d11afda4176fbf01fed318280f66e04591e92d

Download Submit
\Users\Admin\AppData\Roaming\Adobe\adobeARM.exe

Filesize
546KB

MD5
3ed968b2400a5eca52fcf8dc1422ece0

SHA1
10cc685424f274c7b42d26cacf7ad2319fe56000

SHA256
3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58

SHA512
e4260b501b476c613a121940de346e9d3d120329404b19a0d6d15862051358698de5528715369c8094b8934661d11afda4176fbf01fed318280f66e04591e92d

Download Submit
\Users\Admin\AppData\Roaming\Adobe\adobeARM.exe

Filesize
546KB

MD5
3ed968b2400a5eca52fcf8dc1422ece0

SHA1
10cc685424f274c7b42d26cacf7ad2319fe56000

SHA256
3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58

SHA512
e4260b501b476c613a121940de346e9d3d120329404b19a0d6d15862051358698de5528715369c8094b8934661d11afda4176fbf01fed318280f66e04591e92d

Download Submit
\Users\Admin\AppData\Roaming\Adobe\adobeARM.exe

Filesize
546KB

MD5
3ed968b2400a5eca52fcf8dc1422ece0

SHA1
10cc685424f274c7b42d26cacf7ad2319fe56000

SHA256
3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58

SHA512
e4260b501b476c613a121940de346e9d3d120329404b19a0d6d15862051358698de5528715369c8094b8934661d11afda4176fbf01fed318280f66e04591e92d

Download Submit
\Users\Admin\AppData\Roaming\Adobe\adobeARM.exe

Filesize
546KB

MD5
3ed968b2400a5eca52fcf8dc1422ece0

SHA1
10cc685424f274c7b42d26cacf7ad2319fe56000

SHA256
3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58

SHA512
e4260b501b476c613a121940de346e9d3d120329404b19a0d6d15862051358698de5528715369c8094b8934661d11afda4176fbf01fed318280f66e04591e92d

Download Submit
\Users\Admin\AppData\Roaming\Adobe\adobeARM.exe

Filesize
546KB

MD5
3ed968b2400a5eca52fcf8dc1422ece0

SHA1
10cc685424f274c7b42d26cacf7ad2319fe56000

SHA256
3ddb383a5af8acedb8eda67932633d85a881739fbf9a87b10f664fe743b48c58

SHA512
e4260b501b476c613a121940de346e9d3d120329404b19a0d6d15862051358698de5528715369c8094b8934661d11afda4176fbf01fed318280f66e04591e92d

Download Submit
memory/1684-57-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1684-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1684-62-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1684-58-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1684-64-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1684-55-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1684-65-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1684-60-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1684-61-0x0000000075B11000-0x0000000075B13000-memory.dmp

Filesize
8KB

Download
memory/2016-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2016-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads