darkcomet | 6c5d5c3735db1e07487f9aa58f316f3cdea65b36895c5c22b4d50e972419ec91

Analysis

max time kernel
137s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 12:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Size

719KB
MD5

1b579f2e37e93b0398307d528f42d513
SHA1

b7ec5a39c26ffc01befd58944e4f8f3569eec5d0
SHA256

6c5d5c3735db1e07487f9aa58f316f3cdea65b36895c5c22b4d50e972419ec91
SHA512

b2a910269d3da8cc68aa4d28d351f919e08d59f0fbcd0080507e9474de948364fc4dd0aa70bc422b08a9ba754bbd04fdaab8650ad2e30be435a85e2412d05f1f
SSDEEP

12288:u8UaT9XY2siA0bMG09xD7I3Gg8ecgVvfBoCDBOQQYbVXpuy1r/:7UKoN0bUxgGa/pfBHDb+y1L

Score

10^/10

darkcomet evasion rat trojan upx

Malware Config

Signatures

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

Disables RegEdit via registry modification 2 IoCs

evasion

Processes:

1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exeiexplore.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	iexplore.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

2916 attrib.exe
4812 attrib.exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation 1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
upx

Processes:

resource yara_rule

behavioral2/memory/1200-0-0x0000000000400000-0x00000000004B6000-memory.dmp upx
behavioral2/memory/1200-3-0x0000000000400000-0x00000000004B6000-memory.dmp upx
Suspicious use of SetThreadContext 1 IoCs

Processes:

1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe

description pid process target process

PID 1200 set thread context of 2564 1200 1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe iexplore.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2916	attrib.exe
4812	attrib.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe

resource	yara_rule
behavioral2/memory/1200-0-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral2/memory/1200-3-0x0000000000400000-0x00000000004B6000-memory.dmp	upx

description	pid	process	target process
PID 1200 set thread context of 2564	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe	iexplore.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exeiexplore.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: SeSecurityPrivilege	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: SeBackupPrivilege	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: SeRestorePrivilege	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: SeShutdownPrivilege	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: SeDebugPrivilege	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: SeUndockPrivilege	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: 33	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: 34	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: 35	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: 36	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2564	iexplore.exe
Token: SeSecurityPrivilege	2564	iexplore.exe
Token: SeTakeOwnershipPrivilege	2564	iexplore.exe
Token: SeLoadDriverPrivilege	2564	iexplore.exe
Token: SeSystemProfilePrivilege	2564	iexplore.exe
Token: SeSystemtimePrivilege	2564	iexplore.exe
Token: SeProfSingleProcessPrivilege	2564	iexplore.exe
Token: SeIncBasePriorityPrivilege	2564	iexplore.exe
Token: SeCreatePagefilePrivilege	2564	iexplore.exe
Token: SeBackupPrivilege	2564	iexplore.exe
Token: SeRestorePrivilege	2564	iexplore.exe
Token: SeShutdownPrivilege	2564	iexplore.exe
Token: SeDebugPrivilege	2564	iexplore.exe
Token: SeSystemEnvironmentPrivilege	2564	iexplore.exe
Token: SeChangeNotifyPrivilege	2564	iexplore.exe
Token: SeRemoteShutdownPrivilege	2564	iexplore.exe
Token: SeUndockPrivilege	2564	iexplore.exe
Token: SeManageVolumePrivilege	2564	iexplore.exe
Token: SeImpersonatePrivilege	2564	iexplore.exe
Token: SeCreateGlobalPrivilege	2564	iexplore.exe
Token: 33	2564	iexplore.exe
Token: 34	2564	iexplore.exe
Token: 35	2564	iexplore.exe
Token: 36	2564	iexplore.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

1b579f2e37e93b0398307d528f42d513_JaffaCakes118.execmd.execmd.exe

description	pid	process	target process
PID 1200 wrote to memory of 4440	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe	cmd.exe
PID 1200 wrote to memory of 4440	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe	cmd.exe
PID 1200 wrote to memory of 4440	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe	cmd.exe
PID 1200 wrote to memory of 4816	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe	cmd.exe
PID 1200 wrote to memory of 4816	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe	cmd.exe
PID 1200 wrote to memory of 4816	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe	cmd.exe
PID 1200 wrote to memory of 2564	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe	iexplore.exe
PID 1200 wrote to memory of 2564	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe	iexplore.exe
PID 1200 wrote to memory of 2564	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe	iexplore.exe
PID 1200 wrote to memory of 2564	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe	iexplore.exe
PID 1200 wrote to memory of 2564	1200	1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe	iexplore.exe
PID 4440 wrote to memory of 2916	4440	cmd.exe	attrib.exe
PID 4440 wrote to memory of 2916	4440	cmd.exe	attrib.exe
PID 4440 wrote to memory of 2916	4440	cmd.exe	attrib.exe
PID 4816 wrote to memory of 4812	4816	cmd.exe	attrib.exe
PID 4816 wrote to memory of 4812	4816	cmd.exe	attrib.exe
PID 4816 wrote to memory of 4812	4816	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

2916 attrib.exe
4812 attrib.exe

pid	process
2916	attrib.exe
4812	attrib.exe

C:\Users\Admin\AppData\Local\Temp\1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe"
1⤵
- Disables RegEdit via registry modification
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1200

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:4440

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\1b579f2e37e93b0398307d528f42d513_JaffaCakes118.exe" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:2916

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:4816

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:4812

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
2⤵
- Disables RegEdit via registry modification
- Suspicious use of AdjustPrivilegeToken
PID:2564

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1200-0-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/1200-1-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

Filesize
4KB

Download
memory/1200-3-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download