darkcomet | 0f18011ef2afa539dd7ffbac8465e04d8b851ba3cfb5c131bb87c0e391110363

General

Target

044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Size

252KB
MD5

044626347c403a9fa5370006cd52f2ec
SHA1

57f68fe970b1367fb38d3bc4e4434ef76c148a31
SHA256

0f18011ef2afa539dd7ffbac8465e04d8b851ba3cfb5c131bb87c0e391110363
SHA512

9b088e9b3bde254c7603b9a3b74f46f1c2162dfd31166ad18b84d3eae3320d50411ce5cb4638628028d4a4a9087dbe383c9c9f0224769f8cb5e9271fcd5a832f
SSDEEP

6144:dcNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PHQJU7R:dcWkbgTYWnYnt/IDYhPAU7

Score

10^/10

darkcomet guest16 evasion persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

192.168.1.100:1604

192.168.1.100:81

46.150.97.101:81

46.150.97.101:1604

Mutex

DC_MUTEX-Q84BTU6

Attributes

InstallPath
��
gencode
ftKVJQ3KZAgd
install
true
offline_keylogger
true
persistence
false
reg_key
svhost

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

Processes:

044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe

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\\×èòû"	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe

Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exeattrib.exe

pid process

2144 attrib.exe
2644 attrib.exe

pid	process
2144	attrib.exe
2644	attrib.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2288-0-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2288-4-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\svhost = "C:\\Users\\Admin\\AppData\\Roaming\\×èòû"	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe

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

Processes:

044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: SeSecurityPrivilege	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: SeBackupPrivilege	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: SeRestorePrivilege	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: SeShutdownPrivilege	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: SeDebugPrivilege	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: SeUndockPrivilege	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: 33	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: 34	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
Token: 35	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

044626347c403a9fa5370006cd52f2ec_JaffaCakes118.execmd.execmd.exe

description	pid	process	target process
PID 2288 wrote to memory of 2240	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe	cmd.exe
PID 2288 wrote to memory of 2240	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe	cmd.exe
PID 2288 wrote to memory of 2240	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe	cmd.exe
PID 2288 wrote to memory of 2240	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe	cmd.exe
PID 2288 wrote to memory of 2260	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe	cmd.exe
PID 2288 wrote to memory of 2260	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe	cmd.exe
PID 2288 wrote to memory of 2260	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe	cmd.exe
PID 2288 wrote to memory of 2260	2288	044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe	cmd.exe
PID 2240 wrote to memory of 2144	2240	cmd.exe	attrib.exe
PID 2240 wrote to memory of 2144	2240	cmd.exe	attrib.exe
PID 2240 wrote to memory of 2144	2240	cmd.exe	attrib.exe
PID 2240 wrote to memory of 2144	2240	cmd.exe	attrib.exe
PID 2260 wrote to memory of 2644	2260	cmd.exe	attrib.exe
PID 2260 wrote to memory of 2644	2260	cmd.exe	attrib.exe
PID 2260 wrote to memory of 2644	2260	cmd.exe	attrib.exe
PID 2260 wrote to memory of 2644	2260	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exeattrib.exe

pid process

2144 attrib.exe
2644 attrib.exe

pid	process
2144	attrib.exe
2644	attrib.exe

C:\Users\Admin\AppData\Local\Temp\044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2288

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:2240

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\044626347c403a9fa5370006cd52f2ec_JaffaCakes118.exe" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:2144

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:2260

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:2644

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

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

Hide Artifacts

2

T1564

Hidden Files and Directories

2

T1564.001

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/2288-0-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2288-1-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2288-4-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads