darkcomet | 2b6a3303f789dcb6019801babcbde32bac1a1154391f61f8127e3b9f03d6e8de

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
06-05-2024 23:37

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General

Target

32714e6ba316bf34e90dbf6d5e81f260_NEAS.exe
Size

847KB
MD5

32714e6ba316bf34e90dbf6d5e81f260
SHA1

34ae7f07b4d179323854f9b3d624d03e35889da9
SHA256

2b6a3303f789dcb6019801babcbde32bac1a1154391f61f8127e3b9f03d6e8de
SHA512

46302f16a2b491808b579b4596e52bc8ff6fe972f4054483cc622357bb727394e7ab65191091eeef97fedcbcd39f388511c5757399d8674221c3ba6ab6958d5a
SSDEEP

24576:SV9RUqJJeOY9J3/Ekbl4055FWim0HvYq/5lrzG:eUqJsOWJ3/EIlhtzYqxZzG

Score

10^/10

darkcomet fud persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

FUD

ainab-inc.no-ip.biz:1604

ainab-inc.no-ip.biz:1605

ainab.no-ip.info:1605

ainab.no-ip.info:1604

Mutex

DC_MUTEX-8PSGHJX

Attributes

InstallPath
C:\Program Files\CCleaner\CCleaner-resident.exe
gencode
xhpExvTjwd0Y
install
true
offline_keylogger
true
persistence
true
reg_key
explore

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

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:\\Users\\Admin\\AppData\\Local\\Temp\\C:\\Program Files\\CCleaner\\xhpExvTjwd0Y\\CCleaner-resident.exe"	vbc.exe

Executes dropped EXE 2 IoCs

pid	Process
2132	SKYPE_CHECKER.EXE
2660	SKYPE_CHECKER.EXE

Loads dropped DLL 4 IoCs

pid	Process
2064	vbc.exe
2064	vbc.exe
2064	vbc.exe
2064	vbc.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2064-4-0x0000000000400000-0x000000000053B000-memory.dmp	upx
behavioral1/memory/2064-9-0x0000000000400000-0x000000000053B000-memory.dmp	upx
behavioral1/memory/2064-8-0x0000000000400000-0x000000000053B000-memory.dmp	upx
behavioral1/memory/2064-6-0x0000000000400000-0x000000000053B000-memory.dmp	upx
behavioral1/memory/2064-10-0x0000000000400000-0x000000000053B000-memory.dmp	upx
behavioral1/memory/2064-11-0x0000000000400000-0x000000000053B000-memory.dmp	upx
behavioral1/memory/2064-22-0x0000000000400000-0x000000000053B000-memory.dmp	upx
behavioral1/memory/2064-71-0x0000000000400000-0x000000000053B000-memory.dmp	upx
behavioral1/memory/2064-70-0x0000000000400000-0x000000000053B000-memory.dmp	upx
behavioral1/memory/2064-72-0x0000000000400000-0x000000000053B000-memory.dmp	upx
behavioral1/memory/2064-75-0x0000000000400000-0x000000000053B000-memory.dmp	upx
behavioral1/memory/2064-79-0x0000000000400000-0x000000000053B000-memory.dmp	upx
behavioral1/memory/2064-76-0x0000000000400000-0x000000000053B000-memory.dmp	upx
behavioral1/memory/2064-80-0x0000000000400000-0x000000000053B000-memory.dmp	upx
behavioral1/memory/2064-83-0x0000000000400000-0x000000000053B000-memory.dmp	upx
behavioral1/memory/2064-86-0x0000000000400000-0x000000000053B000-memory.dmp	upx
behavioral1/memory/2064-89-0x0000000000400000-0x000000000053B000-memory.dmp	upx

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

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-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\explore = "C:\\Users\\Admin\\AppData\\Local\\Temp\\C:\\Program Files\\CCleaner\\xhpExvTjwd0Y\\CCleaner-resident.exe"	vbc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\Skype-Checker = "C:\\Users\\Admin\\AppData\\Roaming\\Skype Checker.exe"	32714e6ba316bf34e90dbf6d5e81f260_NEAS.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2932 set thread context of 2064	2932	32714e6ba316bf34e90dbf6d5e81f260_NEAS.exe	28

NTFS ADS 4 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\C:\Program Files\CCleaner\xhpExvTjwd0Y\	vbc.exe
File created	C:\Users\Admin\AppData\Local\Temp\C:\Program Files\CCleaner\CCleaner-resident.exe	vbc.exe
File created	C:\Users\Admin\AppData\Local\Temp\C:\Program Files\CCleaner\xhpExvTjwd0Y\CCleaner-resident.exe	vbc.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\C:\Program Files\CCleaner\xhpExvTjwd0Y\CCleaner-resident.exe	vbc.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2064	vbc.exe
Token: SeSecurityPrivilege	2064	vbc.exe
Token: SeTakeOwnershipPrivilege	2064	vbc.exe
Token: SeLoadDriverPrivilege	2064	vbc.exe
Token: SeSystemProfilePrivilege	2064	vbc.exe
Token: SeSystemtimePrivilege	2064	vbc.exe
Token: SeProfSingleProcessPrivilege	2064	vbc.exe
Token: SeIncBasePriorityPrivilege	2064	vbc.exe
Token: SeCreatePagefilePrivilege	2064	vbc.exe
Token: SeBackupPrivilege	2064	vbc.exe
Token: SeRestorePrivilege	2064	vbc.exe
Token: SeShutdownPrivilege	2064	vbc.exe
Token: SeDebugPrivilege	2064	vbc.exe
Token: SeSystemEnvironmentPrivilege	2064	vbc.exe
Token: SeChangeNotifyPrivilege	2064	vbc.exe
Token: SeRemoteShutdownPrivilege	2064	vbc.exe
Token: SeUndockPrivilege	2064	vbc.exe
Token: SeManageVolumePrivilege	2064	vbc.exe
Token: SeImpersonatePrivilege	2064	vbc.exe
Token: SeCreateGlobalPrivilege	2064	vbc.exe
Token: 33	2064	vbc.exe
Token: 34	2064	vbc.exe
Token: 35	2064	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2064	vbc.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2064	2932	32714e6ba316bf34e90dbf6d5e81f260_NEAS.exe	28
PID 2932 wrote to memory of 2064	2932	32714e6ba316bf34e90dbf6d5e81f260_NEAS.exe	28
PID 2932 wrote to memory of 2064	2932	32714e6ba316bf34e90dbf6d5e81f260_NEAS.exe	28
PID 2932 wrote to memory of 2064	2932	32714e6ba316bf34e90dbf6d5e81f260_NEAS.exe	28
PID 2932 wrote to memory of 2064	2932	32714e6ba316bf34e90dbf6d5e81f260_NEAS.exe	28
PID 2932 wrote to memory of 2064	2932	32714e6ba316bf34e90dbf6d5e81f260_NEAS.exe	28
PID 2932 wrote to memory of 2064	2932	32714e6ba316bf34e90dbf6d5e81f260_NEAS.exe	28
PID 2932 wrote to memory of 2064	2932	32714e6ba316bf34e90dbf6d5e81f260_NEAS.exe	28
PID 2932 wrote to memory of 2064	2932	32714e6ba316bf34e90dbf6d5e81f260_NEAS.exe	28
PID 2064 wrote to memory of 2132	2064	vbc.exe	29
PID 2064 wrote to memory of 2132	2064	vbc.exe	29
PID 2064 wrote to memory of 2132	2064	vbc.exe	29
PID 2064 wrote to memory of 2132	2064	vbc.exe	29
PID 2064 wrote to memory of 2660	2064	vbc.exe	30
PID 2064 wrote to memory of 2660	2064	vbc.exe	30
PID 2064 wrote to memory of 2660	2064	vbc.exe	30
PID 2064 wrote to memory of 2660	2064	vbc.exe	30
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31
PID 2064 wrote to memory of 2748	2064	vbc.exe	31

C:\Users\Admin\AppData\Local\Temp\32714e6ba316bf34e90dbf6d5e81f260_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\32714e6ba316bf34e90dbf6d5e81f260_NEAS.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2932
- 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
  - NTFS ADS
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2064
- - C:\Users\Admin\AppData\Local\Temp\SKYPE_CHECKER.EXE
    "C:\Users\Admin\AppData\Local\Temp\SKYPE_CHECKER.EXE"
    3⤵
    - Executes dropped EXE
    PID:2132
- - C:\Users\Admin\AppData\Local\Temp\SKYPE_CHECKER.EXE
    "C:\Users\Admin\AppData\Local\Temp\SKYPE_CHECKER.EXE"
    3⤵
    - Executes dropped EXE
    PID:2660
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    PID:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

T1064

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\SKYPE_CHECKER.EXE

Filesize
521KB

MD5
c30a1984c00d53d6f58ceacffc7f609f

SHA1
e38910a83a7bbefebc7f87d6f1d8e8bfe2c77308

SHA256
df15bb116b47979eeafa960df367f7de3dfba79d3d60704703bfbd9c2c52d2ab

SHA512
d0ed5698fc627ef2481bb7c8efa0a72e22627184466d7ff4ed3d22119c0c8d92ac2d8aa8ffe4f29f0259aa658373e1d643f9a1e26969e8f3fb668c15d47bca0d

Download Submit
memory/2064-71-0x0000000000400000-0x000000000053B000-memory.dmp

Filesize
1.2MB

Download
memory/2064-89-0x0000000000400000-0x000000000053B000-memory.dmp

Filesize
1.2MB

Download
memory/2064-86-0x0000000000400000-0x000000000053B000-memory.dmp

Filesize
1.2MB

Download
memory/2064-9-0x0000000000400000-0x000000000053B000-memory.dmp

Filesize
1.2MB

Download
memory/2064-8-0x0000000000400000-0x000000000053B000-memory.dmp

Filesize
1.2MB

Download
memory/2064-83-0x0000000000400000-0x000000000053B000-memory.dmp

Filesize
1.2MB

Download
memory/2064-6-0x0000000000400000-0x000000000053B000-memory.dmp

Filesize
1.2MB

Download
memory/2064-10-0x0000000000400000-0x000000000053B000-memory.dmp

Filesize
1.2MB

Download
memory/2064-11-0x0000000000400000-0x000000000053B000-memory.dmp

Filesize
1.2MB

Download
memory/2064-80-0x0000000000400000-0x000000000053B000-memory.dmp

Filesize
1.2MB

Download
memory/2064-76-0x0000000000400000-0x000000000053B000-memory.dmp

Filesize
1.2MB

Download
memory/2064-22-0x0000000000400000-0x000000000053B000-memory.dmp

Filesize
1.2MB

Download
memory/2064-4-0x0000000000400000-0x000000000053B000-memory.dmp

Filesize
1.2MB

Download
memory/2064-70-0x0000000000400000-0x000000000053B000-memory.dmp

Filesize
1.2MB

Download
memory/2064-79-0x0000000000400000-0x000000000053B000-memory.dmp

Filesize
1.2MB

Download
memory/2064-75-0x0000000000400000-0x000000000053B000-memory.dmp

Filesize
1.2MB

Download
memory/2064-72-0x0000000000400000-0x000000000053B000-memory.dmp

Filesize
1.2MB

Download
memory/2132-73-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2132-77-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2132-21-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2660-74-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2748-69-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/2748-31-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2932-2-0x00000000743A0000-0x000000007494B000-memory.dmp

Filesize
5.7MB

Download
memory/2932-1-0x00000000743A0000-0x000000007494B000-memory.dmp

Filesize
5.7MB

Download
memory/2932-7-0x00000000743A0000-0x000000007494B000-memory.dmp

Filesize
5.7MB

Download
memory/2932-0-0x00000000743A1000-0x00000000743A2000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads