darkcomet | 21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e

General

Target

21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe
Size

1.5MB
MD5

a0dc02d95386e0fd2b6109256080f35e
SHA1

c46dbb23b24806d90cc7a564be0fd6062176cf67
SHA256

21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e
SHA512

525d4287c27533bc53319507a1a4f4cd883d6f4db7b97339e6e26ed54e4fb504e4406aaab116980be608ac65a57fc065bf17c9cfe823443f20c25ac9a09c1c15

Score

10^/10

darkcomet runescape persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Runescape

C2

mrsnickers03.no-ip.biz:340

Mutex

DC_MUTEX-6ZFK11A

Attributes

gencode
uNwew4gojxtu
install
false
offline_keylogger
true
persistence
false

Signatures

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

Processes:

ichader.exeichader.exeichader.exe

pid process

2388 ichader.exe
3648 ichader.exe
2204 ichader.exe

pid	process
2388	ichader.exe
3648	ichader.exe
2204	ichader.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1904-6-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1904-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1904-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2204-34-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2204-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2204-42-0x0000000000400000-0x00000000004B7000-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-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\java = "C:\\Users\\Admin\\AppData\\Roaming\\IDM\\ichader.exe"	reg.exe

Suspicious use of SetThreadContext 5 IoCs

Processes:

21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exeichader.exe

description	pid	process	target process
PID 636 set thread context of 3984	636	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	svchost.exe
PID 636 set thread context of 1904	636	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe
PID 2388 set thread context of 632	2388	ichader.exe	svchost.exe
PID 2388 set thread context of 3648	2388	ichader.exe	ichader.exe
PID 2388 set thread context of 2204	2388	ichader.exe	ichader.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

svchost.exe

pid	process
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe
3984	svchost.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

Processes:

ichader.exeichader.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2204	ichader.exe
Token: SeSecurityPrivilege	2204	ichader.exe
Token: SeTakeOwnershipPrivilege	2204	ichader.exe
Token: SeLoadDriverPrivilege	2204	ichader.exe
Token: SeSystemProfilePrivilege	2204	ichader.exe
Token: SeSystemtimePrivilege	2204	ichader.exe
Token: SeProfSingleProcessPrivilege	2204	ichader.exe
Token: SeIncBasePriorityPrivilege	2204	ichader.exe
Token: SeCreatePagefilePrivilege	2204	ichader.exe
Token: SeBackupPrivilege	2204	ichader.exe
Token: SeRestorePrivilege	2204	ichader.exe
Token: SeShutdownPrivilege	2204	ichader.exe
Token: SeDebugPrivilege	2204	ichader.exe
Token: SeSystemEnvironmentPrivilege	2204	ichader.exe
Token: SeChangeNotifyPrivilege	2204	ichader.exe
Token: SeRemoteShutdownPrivilege	2204	ichader.exe
Token: SeUndockPrivilege	2204	ichader.exe
Token: SeManageVolumePrivilege	2204	ichader.exe
Token: SeImpersonatePrivilege	2204	ichader.exe
Token: SeCreateGlobalPrivilege	2204	ichader.exe
Token: 33	2204	ichader.exe
Token: 34	2204	ichader.exe
Token: 35	2204	ichader.exe
Token: 36	2204	ichader.exe
Token: SeDebugPrivilege	3648	ichader.exe
Token: SeDebugPrivilege	3648	ichader.exe
Token: SeDebugPrivilege	3648	ichader.exe
Token: SeDebugPrivilege	3648	ichader.exe
Token: SeDebugPrivilege	3648	ichader.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exesvchost.exe21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exeichader.exesvchost.exeichader.exeichader.exe

pid	process
636	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe
3984	svchost.exe
1904	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe
2388	ichader.exe
632	svchost.exe
3648	ichader.exe
2204	ichader.exe

Suspicious use of WriteProcessMemory 51 IoCs

Processes:

21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.execmd.exeichader.exe

description	pid	process	target process
PID 636 wrote to memory of 3984	636	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	svchost.exe
PID 636 wrote to memory of 3984	636	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	svchost.exe
PID 636 wrote to memory of 3984	636	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	svchost.exe
PID 636 wrote to memory of 3984	636	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	svchost.exe
PID 636 wrote to memory of 3984	636	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	svchost.exe
PID 636 wrote to memory of 3984	636	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	svchost.exe
PID 636 wrote to memory of 3984	636	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	svchost.exe
PID 636 wrote to memory of 3984	636	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	svchost.exe
PID 636 wrote to memory of 3984	636	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	svchost.exe
PID 636 wrote to memory of 1904	636	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe
PID 636 wrote to memory of 1904	636	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe
PID 636 wrote to memory of 1904	636	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe
PID 636 wrote to memory of 1904	636	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe
PID 636 wrote to memory of 1904	636	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe
PID 636 wrote to memory of 1904	636	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe
PID 636 wrote to memory of 1904	636	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe
PID 636 wrote to memory of 1904	636	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe
PID 1904 wrote to memory of 3664	1904	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	cmd.exe
PID 1904 wrote to memory of 3664	1904	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	cmd.exe
PID 1904 wrote to memory of 3664	1904	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	cmd.exe
PID 3664 wrote to memory of 4044	3664	cmd.exe	reg.exe
PID 3664 wrote to memory of 4044	3664	cmd.exe	reg.exe
PID 3664 wrote to memory of 4044	3664	cmd.exe	reg.exe
PID 1904 wrote to memory of 2388	1904	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	ichader.exe
PID 1904 wrote to memory of 2388	1904	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	ichader.exe
PID 1904 wrote to memory of 2388	1904	21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe	ichader.exe
PID 2388 wrote to memory of 632	2388	ichader.exe	svchost.exe
PID 2388 wrote to memory of 632	2388	ichader.exe	svchost.exe
PID 2388 wrote to memory of 632	2388	ichader.exe	svchost.exe
PID 2388 wrote to memory of 632	2388	ichader.exe	svchost.exe
PID 2388 wrote to memory of 632	2388	ichader.exe	svchost.exe
PID 2388 wrote to memory of 632	2388	ichader.exe	svchost.exe
PID 2388 wrote to memory of 632	2388	ichader.exe	svchost.exe
PID 2388 wrote to memory of 632	2388	ichader.exe	svchost.exe
PID 2388 wrote to memory of 632	2388	ichader.exe	svchost.exe
PID 2388 wrote to memory of 3648	2388	ichader.exe	ichader.exe
PID 2388 wrote to memory of 3648	2388	ichader.exe	ichader.exe
PID 2388 wrote to memory of 3648	2388	ichader.exe	ichader.exe
PID 2388 wrote to memory of 3648	2388	ichader.exe	ichader.exe
PID 2388 wrote to memory of 3648	2388	ichader.exe	ichader.exe
PID 2388 wrote to memory of 3648	2388	ichader.exe	ichader.exe
PID 2388 wrote to memory of 3648	2388	ichader.exe	ichader.exe
PID 2388 wrote to memory of 3648	2388	ichader.exe	ichader.exe
PID 2388 wrote to memory of 2204	2388	ichader.exe	ichader.exe
PID 2388 wrote to memory of 2204	2388	ichader.exe	ichader.exe
PID 2388 wrote to memory of 2204	2388	ichader.exe	ichader.exe
PID 2388 wrote to memory of 2204	2388	ichader.exe	ichader.exe
PID 2388 wrote to memory of 2204	2388	ichader.exe	ichader.exe
PID 2388 wrote to memory of 2204	2388	ichader.exe	ichader.exe
PID 2388 wrote to memory of 2204	2388	ichader.exe	ichader.exe
PID 2388 wrote to memory of 2204	2388	ichader.exe	ichader.exe

C:\Users\Admin\AppData\Local\Temp\21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe
"C:\Users\Admin\AppData\Local\Temp\21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:636

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\system32\svchost.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3984

C:\Users\Admin\AppData\Local\Temp\21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe
"C:\Users\Admin\AppData\Local\Temp\21c8760522b1c8d9406627f89e450429589d7b427820ab99c8b144f5d2d4e36e.exe"
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1904

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HJWXF.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:3664

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "java" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\IDM\ichader.exe" /f
4⤵
- Adds Run key to start application
PID:4044

C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
"C:\Users\Admin\AppData\Roaming\IDM\ichader.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2388

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\system32\svchost.exe"
4⤵
- Suspicious use of SetWindowsHookEx
PID:632

C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
"C:\Users\Admin\AppData\Roaming\IDM\ichader.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3648

C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
"C:\Users\Admin\AppData\Roaming\IDM\ichader.exe"
4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2204

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\HJWXF.bat
MD5
92353035f01403e26aa2ff51c3963238

SHA1
d13f167c73bfce23a2deab8ce7c4ce9f78759ff4

SHA256
2e72a8542f8f809bfb1e4adfb481c7c5e6dc00dda7970c74692ba8d83ea0a870

SHA512
74560e33477caae3c7bc13914e4ae3c6911bbcfe257b2833155c236a158db0aca17478beb9d97f648ff1ea566005260f511361771c74203195107f4e82cce7df

Download Submit
C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
MD5
c777777c4fb5e155dc335259f9f61f10

SHA1
1bdb6c80856df64321a2c9b403e7cebe740b55c1

SHA256
1dc0eb75a797e0d410c88fa191aa6319fd541b76a8ff0085539e92d6f14a0402

SHA512
81f297fd387f7342c8904572c02938338e49e1662e436ac48c6ac8cd5b69832eaf034d97cbd3817e07348a1b657906ba56399ae35fb8bc9092a1d2c3c9cc7916

Download Submit
C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
MD5
c777777c4fb5e155dc335259f9f61f10

SHA1
1bdb6c80856df64321a2c9b403e7cebe740b55c1

SHA256
1dc0eb75a797e0d410c88fa191aa6319fd541b76a8ff0085539e92d6f14a0402

SHA512
81f297fd387f7342c8904572c02938338e49e1662e436ac48c6ac8cd5b69832eaf034d97cbd3817e07348a1b657906ba56399ae35fb8bc9092a1d2c3c9cc7916

Download Submit
C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
MD5
c777777c4fb5e155dc335259f9f61f10

SHA1
1bdb6c80856df64321a2c9b403e7cebe740b55c1

SHA256
1dc0eb75a797e0d410c88fa191aa6319fd541b76a8ff0085539e92d6f14a0402

SHA512
81f297fd387f7342c8904572c02938338e49e1662e436ac48c6ac8cd5b69832eaf034d97cbd3817e07348a1b657906ba56399ae35fb8bc9092a1d2c3c9cc7916

Download Submit
C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
MD5
c777777c4fb5e155dc335259f9f61f10

SHA1
1bdb6c80856df64321a2c9b403e7cebe740b55c1

SHA256
1dc0eb75a797e0d410c88fa191aa6319fd541b76a8ff0085539e92d6f14a0402

SHA512
81f297fd387f7342c8904572c02938338e49e1662e436ac48c6ac8cd5b69832eaf034d97cbd3817e07348a1b657906ba56399ae35fb8bc9092a1d2c3c9cc7916

Download Submit
memory/632-25-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/632-24-0x000000000040B000-mapping.dmp

Download
memory/632-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1904-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1904-8-0x00000000004085D0-mapping.dmp

Download
memory/1904-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1904-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2204-36-0x00000000004B5210-mapping.dmp

Download
memory/2204-42-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2204-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2204-34-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2204-38-0x0000000073910000-0x00000000739A3000-memory.dmp

Filesize
588KB

Download
memory/2388-17-0x0000000000000000-mapping.dmp

Download
memory/2388-20-0x0000000073910000-0x00000000739A3000-memory.dmp

Filesize
588KB

Download
memory/3648-30-0x00000000004085D0-mapping.dmp

Download
memory/3648-32-0x0000000073910000-0x00000000739A3000-memory.dmp

Filesize
588KB

Download
memory/3664-14-0x0000000000000000-mapping.dmp

Download
memory/3984-2-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3984-4-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3984-3-0x000000000040B000-mapping.dmp

Download
memory/3984-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4044-16-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads