darkcomet | 52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1

General

Target

52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe
Size

1.9MB
MD5

bd13d800662e95b5ecb2f7c36768b887
SHA1

4c40b991aeefc705624a51a7b4e7436338796aa8
SHA256

52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1
SHA512

38d18e6df4cb5af384948204df6b9f780237c44474b959e9d43d78782a0f785d6b26dbf9ca755920376ad5ba02d10f7816cd89981f1b00edde838a188f763069

Score

10^/10

darkcomet persistence rat trojan upx

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Executes dropped EXE 3 IoCs

Processes:

test.exetest.exetest.exe

pid process

2752 test.exe
8 test.exe
3464 test.exe

pid	process
2752	test.exe
8	test.exe
3464	test.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2100-117-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2100-127-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3464-140-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3464-153-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\test\\test.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exetest.exe

description	pid	process	target process
PID 3992 set thread context of 2100	3992	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe
PID 2752 set thread context of 8	2752	test.exe	test.exe
PID 2752 set thread context of 3464	2752	test.exe	test.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

test.exetest.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3464	test.exe
Token: SeSecurityPrivilege	3464	test.exe
Token: SeTakeOwnershipPrivilege	3464	test.exe
Token: SeLoadDriverPrivilege	3464	test.exe
Token: SeSystemProfilePrivilege	3464	test.exe
Token: SeSystemtimePrivilege	3464	test.exe
Token: SeProfSingleProcessPrivilege	3464	test.exe
Token: SeIncBasePriorityPrivilege	3464	test.exe
Token: SeCreatePagefilePrivilege	3464	test.exe
Token: SeBackupPrivilege	3464	test.exe
Token: SeRestorePrivilege	3464	test.exe
Token: SeShutdownPrivilege	3464	test.exe
Token: SeDebugPrivilege	3464	test.exe
Token: SeSystemEnvironmentPrivilege	3464	test.exe
Token: SeChangeNotifyPrivilege	3464	test.exe
Token: SeRemoteShutdownPrivilege	3464	test.exe
Token: SeUndockPrivilege	3464	test.exe
Token: SeManageVolumePrivilege	3464	test.exe
Token: SeImpersonatePrivilege	3464	test.exe
Token: SeCreateGlobalPrivilege	3464	test.exe
Token: 33	3464	test.exe
Token: 34	3464	test.exe
Token: 35	3464	test.exe
Token: 36	3464	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe
Token: SeDebugPrivilege	8	test.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exetest.exetest.exe

pid	process
3992	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe
2100	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe
2752	test.exe
8	test.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.execmd.exetest.exe

description	pid	process	target process
PID 3992 wrote to memory of 2100	3992	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe
PID 3992 wrote to memory of 2100	3992	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe
PID 3992 wrote to memory of 2100	3992	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe
PID 3992 wrote to memory of 2100	3992	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe
PID 3992 wrote to memory of 2100	3992	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe
PID 3992 wrote to memory of 2100	3992	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe
PID 3992 wrote to memory of 2100	3992	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe
PID 3992 wrote to memory of 2100	3992	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe
PID 2100 wrote to memory of 3360	2100	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe	cmd.exe
PID 2100 wrote to memory of 3360	2100	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe	cmd.exe
PID 2100 wrote to memory of 3360	2100	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe	cmd.exe
PID 3360 wrote to memory of 1348	3360	cmd.exe	reg.exe
PID 3360 wrote to memory of 1348	3360	cmd.exe	reg.exe
PID 3360 wrote to memory of 1348	3360	cmd.exe	reg.exe
PID 2100 wrote to memory of 2752	2100	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe	test.exe
PID 2100 wrote to memory of 2752	2100	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe	test.exe
PID 2100 wrote to memory of 2752	2100	52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe	test.exe
PID 2752 wrote to memory of 8	2752	test.exe	test.exe
PID 2752 wrote to memory of 8	2752	test.exe	test.exe
PID 2752 wrote to memory of 8	2752	test.exe	test.exe
PID 2752 wrote to memory of 8	2752	test.exe	test.exe
PID 2752 wrote to memory of 8	2752	test.exe	test.exe
PID 2752 wrote to memory of 8	2752	test.exe	test.exe
PID 2752 wrote to memory of 8	2752	test.exe	test.exe
PID 2752 wrote to memory of 8	2752	test.exe	test.exe
PID 2752 wrote to memory of 3464	2752	test.exe	test.exe
PID 2752 wrote to memory of 3464	2752	test.exe	test.exe
PID 2752 wrote to memory of 3464	2752	test.exe	test.exe
PID 2752 wrote to memory of 3464	2752	test.exe	test.exe
PID 2752 wrote to memory of 3464	2752	test.exe	test.exe
PID 2752 wrote to memory of 3464	2752	test.exe	test.exe
PID 2752 wrote to memory of 3464	2752	test.exe	test.exe
PID 2752 wrote to memory of 3464	2752	test.exe	test.exe

C:\Users\Admin\AppData\Local\Temp\52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe
"C:\Users\Admin\AppData\Local\Temp\52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3992

C:\Users\Admin\AppData\Local\Temp\52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe
"C:\Users\Admin\AppData\Local\Temp\52603d0f72211c3e083c533fe6ff7dac5a3b220cf65825d379bfba8edced77e1.exe"
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2100

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DSSFH.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:3360

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "svchost" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\test\test.exe" /f
4⤵
- Adds Run key to start application
PID:1348

C:\Users\Admin\AppData\Roaming\test\test.exe
"C:\Users\Admin\AppData\Roaming\test\test.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2752

C:\Users\Admin\AppData\Roaming\test\test.exe
"C:\Users\Admin\AppData\Roaming\test\test.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:8

C:\Users\Admin\AppData\Roaming\test\test.exe
"C:\Users\Admin\AppData\Roaming\test\test.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3464

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DSSFH.bat
MD5
527683c48cc4c7190219814c77b72fe0

SHA1
d995878a8f4b9824a0508039eeada5376be9a52d

SHA256
bbebf3e66136e700d8e3e2e0c8f461cdd9d7e68fe5a18a235afe86344932fb4b

SHA512
408a53b240c23fa34153ccc2b2315f28a9741121ecc9b76d50267ee62d78230e65574327369f83c779c781802c0c28f6c578703c01a67de46c3d44f71b814fa6

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
862c2e3058ea31de435d1a0b9e9e1fc3

SHA1
12d8eb624fee90cf00783c8e574abe88fe6c5208

SHA256
1ae89a680e667a4a73d022f0fcb05268f6fc39da217faf7be7bdf775cb9c336e

SHA512
cc72cdf3aafc38e89f3bc6c44b91e579078707874e8e0bf01f8de66f0fd5a2c92eba6a29cf53ea5da78f083b66e9569d73a73639ffaa18abce5eae2c6e4ed32f

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
862c2e3058ea31de435d1a0b9e9e1fc3

SHA1
12d8eb624fee90cf00783c8e574abe88fe6c5208

SHA256
1ae89a680e667a4a73d022f0fcb05268f6fc39da217faf7be7bdf775cb9c336e

SHA512
cc72cdf3aafc38e89f3bc6c44b91e579078707874e8e0bf01f8de66f0fd5a2c92eba6a29cf53ea5da78f083b66e9569d73a73639ffaa18abce5eae2c6e4ed32f

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
862c2e3058ea31de435d1a0b9e9e1fc3

SHA1
12d8eb624fee90cf00783c8e574abe88fe6c5208

SHA256
1ae89a680e667a4a73d022f0fcb05268f6fc39da217faf7be7bdf775cb9c336e

SHA512
cc72cdf3aafc38e89f3bc6c44b91e579078707874e8e0bf01f8de66f0fd5a2c92eba6a29cf53ea5da78f083b66e9569d73a73639ffaa18abce5eae2c6e4ed32f

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
862c2e3058ea31de435d1a0b9e9e1fc3

SHA1
12d8eb624fee90cf00783c8e574abe88fe6c5208

SHA256
1ae89a680e667a4a73d022f0fcb05268f6fc39da217faf7be7bdf775cb9c336e

SHA512
cc72cdf3aafc38e89f3bc6c44b91e579078707874e8e0bf01f8de66f0fd5a2c92eba6a29cf53ea5da78f083b66e9569d73a73639ffaa18abce5eae2c6e4ed32f

Download Submit
memory/8-138-0x00000000004085D0-mapping.dmp

Download
memory/1348-130-0x0000000000000000-mapping.dmp

Download
memory/2100-117-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2100-118-0x00000000004085D0-mapping.dmp

Download
memory/2100-127-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2752-145-0x00000000005E0000-0x000000000072A000-memory.dmp

Filesize
1.3MB

Download
memory/2752-149-0x00000000005E0000-0x000000000072A000-memory.dmp

Filesize
1.3MB

Download
memory/2752-131-0x0000000000000000-mapping.dmp

Download
memory/2752-148-0x00000000005E0000-0x000000000072A000-memory.dmp

Filesize
1.3MB

Download
memory/2752-147-0x00000000005E0000-0x000000000072A000-memory.dmp

Filesize
1.3MB

Download
memory/2752-146-0x00000000005E0000-0x000000000072A000-memory.dmp

Filesize
1.3MB

Download
memory/3360-128-0x0000000000000000-mapping.dmp

Download
memory/3464-141-0x00000000004B5640-mapping.dmp

Download
memory/3464-140-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3464-153-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3464-154-0x0000000000A80000-0x0000000000A81000-memory.dmp

Filesize
4KB

Download
memory/3992-121-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/3992-122-0x00000000007D0000-0x00000000007D1000-memory.dmp

Filesize
4KB

Download
memory/3992-114-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/3992-125-0x00000000021A0000-0x00000000021A1000-memory.dmp

Filesize
4KB

Download
memory/3992-123-0x00000000007E0000-0x00000000007E1000-memory.dmp

Filesize
4KB

Download
memory/3992-126-0x00000000021C0000-0x00000000021C1000-memory.dmp

Filesize
4KB

Download
memory/3992-124-0x0000000002190000-0x0000000002191000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads