darkcomet | ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16

General

Target

ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe
Size

1.5MB
MD5

10cd65c7d98b8802516694b7a4976ea2
SHA1

7917aa791dd23376d69fbdadea5ec13fac90bf19
SHA256

ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16
SHA512

906310440bbf6edccfdd07b862f6c1ded01dc744590621cb67788217c2834b48cae749e700aabadcda29dbc3d98553d71eaf457d804444559974820058266574

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

3208 ichader.exe
2560 ichader.exe
3888 ichader.exe

pid	process
3208	ichader.exe
2560	ichader.exe
3888	ichader.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1752-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1752-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1752-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3888-33-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3888-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3888-42-0x0000000000400000-0x00000000004B7000-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:

ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exeichader.exe

description	pid	process	target process
PID 984 set thread context of 780	984	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	svchost.exe
PID 984 set thread context of 1752	984	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe
PID 3208 set thread context of 3488	3208	ichader.exe	svchost.exe
PID 3208 set thread context of 2560	3208	ichader.exe	ichader.exe
PID 3208 set thread context of 3888	3208	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
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe
780	svchost.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

ichader.exeichader.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3888	ichader.exe
Token: SeSecurityPrivilege	3888	ichader.exe
Token: SeTakeOwnershipPrivilege	3888	ichader.exe
Token: SeLoadDriverPrivilege	3888	ichader.exe
Token: SeSystemProfilePrivilege	3888	ichader.exe
Token: SeSystemtimePrivilege	3888	ichader.exe
Token: SeProfSingleProcessPrivilege	3888	ichader.exe
Token: SeIncBasePriorityPrivilege	3888	ichader.exe
Token: SeCreatePagefilePrivilege	3888	ichader.exe
Token: SeBackupPrivilege	3888	ichader.exe
Token: SeRestorePrivilege	3888	ichader.exe
Token: SeShutdownPrivilege	3888	ichader.exe
Token: SeDebugPrivilege	3888	ichader.exe
Token: SeSystemEnvironmentPrivilege	3888	ichader.exe
Token: SeChangeNotifyPrivilege	3888	ichader.exe
Token: SeRemoteShutdownPrivilege	3888	ichader.exe
Token: SeUndockPrivilege	3888	ichader.exe
Token: SeManageVolumePrivilege	3888	ichader.exe
Token: SeImpersonatePrivilege	3888	ichader.exe
Token: SeCreateGlobalPrivilege	3888	ichader.exe
Token: 33	3888	ichader.exe
Token: 34	3888	ichader.exe
Token: 35	3888	ichader.exe
Token: 36	3888	ichader.exe
Token: SeDebugPrivilege	2560	ichader.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exesvchost.exeac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exeichader.exesvchost.exeichader.exeichader.exe

pid	process
984	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe
780	svchost.exe
1752	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe
3208	ichader.exe
3488	svchost.exe
2560	ichader.exe
3888	ichader.exe

Suspicious use of WriteProcessMemory 51 IoCs

Processes:

ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exeac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.execmd.exeichader.exe

description	pid	process	target process
PID 984 wrote to memory of 780	984	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	svchost.exe
PID 984 wrote to memory of 780	984	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	svchost.exe
PID 984 wrote to memory of 780	984	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	svchost.exe
PID 984 wrote to memory of 780	984	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	svchost.exe
PID 984 wrote to memory of 780	984	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	svchost.exe
PID 984 wrote to memory of 780	984	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	svchost.exe
PID 984 wrote to memory of 780	984	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	svchost.exe
PID 984 wrote to memory of 780	984	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	svchost.exe
PID 984 wrote to memory of 780	984	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	svchost.exe
PID 984 wrote to memory of 1752	984	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe
PID 984 wrote to memory of 1752	984	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe
PID 984 wrote to memory of 1752	984	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe
PID 984 wrote to memory of 1752	984	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe
PID 984 wrote to memory of 1752	984	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe
PID 984 wrote to memory of 1752	984	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe
PID 984 wrote to memory of 1752	984	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe
PID 984 wrote to memory of 1752	984	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe
PID 1752 wrote to memory of 3640	1752	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	cmd.exe
PID 1752 wrote to memory of 3640	1752	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	cmd.exe
PID 1752 wrote to memory of 3640	1752	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	cmd.exe
PID 3640 wrote to memory of 188	3640	cmd.exe	reg.exe
PID 3640 wrote to memory of 188	3640	cmd.exe	reg.exe
PID 3640 wrote to memory of 188	3640	cmd.exe	reg.exe
PID 1752 wrote to memory of 3208	1752	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	ichader.exe
PID 1752 wrote to memory of 3208	1752	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	ichader.exe
PID 1752 wrote to memory of 3208	1752	ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe	ichader.exe
PID 3208 wrote to memory of 3488	3208	ichader.exe	svchost.exe
PID 3208 wrote to memory of 3488	3208	ichader.exe	svchost.exe
PID 3208 wrote to memory of 3488	3208	ichader.exe	svchost.exe
PID 3208 wrote to memory of 3488	3208	ichader.exe	svchost.exe
PID 3208 wrote to memory of 3488	3208	ichader.exe	svchost.exe
PID 3208 wrote to memory of 3488	3208	ichader.exe	svchost.exe
PID 3208 wrote to memory of 3488	3208	ichader.exe	svchost.exe
PID 3208 wrote to memory of 3488	3208	ichader.exe	svchost.exe
PID 3208 wrote to memory of 3488	3208	ichader.exe	svchost.exe
PID 3208 wrote to memory of 2560	3208	ichader.exe	ichader.exe
PID 3208 wrote to memory of 2560	3208	ichader.exe	ichader.exe
PID 3208 wrote to memory of 2560	3208	ichader.exe	ichader.exe
PID 3208 wrote to memory of 2560	3208	ichader.exe	ichader.exe
PID 3208 wrote to memory of 2560	3208	ichader.exe	ichader.exe
PID 3208 wrote to memory of 2560	3208	ichader.exe	ichader.exe
PID 3208 wrote to memory of 2560	3208	ichader.exe	ichader.exe
PID 3208 wrote to memory of 2560	3208	ichader.exe	ichader.exe
PID 3208 wrote to memory of 3888	3208	ichader.exe	ichader.exe
PID 3208 wrote to memory of 3888	3208	ichader.exe	ichader.exe
PID 3208 wrote to memory of 3888	3208	ichader.exe	ichader.exe
PID 3208 wrote to memory of 3888	3208	ichader.exe	ichader.exe
PID 3208 wrote to memory of 3888	3208	ichader.exe	ichader.exe
PID 3208 wrote to memory of 3888	3208	ichader.exe	ichader.exe
PID 3208 wrote to memory of 3888	3208	ichader.exe	ichader.exe
PID 3208 wrote to memory of 3888	3208	ichader.exe	ichader.exe

C:\Users\Admin\AppData\Local\Temp\ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe
"C:\Users\Admin\AppData\Local\Temp\ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:984

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\system32\svchost.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:780

C:\Users\Admin\AppData\Local\Temp\ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe
"C:\Users\Admin\AppData\Local\Temp\ac3fdb218275ff7609fbca0c02925cc44bfe72ef3a56065f5aa127d74c19bd16.exe"
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1752

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\KQVHF.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:3640

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:188

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:3208

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\system32\svchost.exe"
4⤵
- Suspicious use of SetWindowsHookEx
PID:3488

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:2560

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:3888

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\KQVHF.bat
MD5
92353035f01403e26aa2ff51c3963238

SHA1
d13f167c73bfce23a2deab8ce7c4ce9f78759ff4

SHA256
2e72a8542f8f809bfb1e4adfb481c7c5e6dc00dda7970c74692ba8d83ea0a870

SHA512
74560e33477caae3c7bc13914e4ae3c6911bbcfe257b2833155c236a158db0aca17478beb9d97f648ff1ea566005260f511361771c74203195107f4e82cce7df

Download Submit
C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
MD5
e533ceee40191cb811082eb7fc920fbd

SHA1
0dea0a528e11a83d578eb1d59b7366e882b5998a

SHA256
f2e62c3cfcb3f32072760949eb72c1eb63bec20d5a5c80e04c693be2f0d111dd

SHA512
02b9e99cfc82ed69ed0173606b650b9aaeffb369e0c5203fa1972f4ec9f0a311dd4ccc9f01243594ab56df988992a860f2c2503efd2160d4fb681c06a214166a

Download Submit
C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
MD5
e533ceee40191cb811082eb7fc920fbd

SHA1
0dea0a528e11a83d578eb1d59b7366e882b5998a

SHA256
f2e62c3cfcb3f32072760949eb72c1eb63bec20d5a5c80e04c693be2f0d111dd

SHA512
02b9e99cfc82ed69ed0173606b650b9aaeffb369e0c5203fa1972f4ec9f0a311dd4ccc9f01243594ab56df988992a860f2c2503efd2160d4fb681c06a214166a

Download Submit
C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
MD5
e533ceee40191cb811082eb7fc920fbd

SHA1
0dea0a528e11a83d578eb1d59b7366e882b5998a

SHA256
f2e62c3cfcb3f32072760949eb72c1eb63bec20d5a5c80e04c693be2f0d111dd

SHA512
02b9e99cfc82ed69ed0173606b650b9aaeffb369e0c5203fa1972f4ec9f0a311dd4ccc9f01243594ab56df988992a860f2c2503efd2160d4fb681c06a214166a

Download Submit
C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
MD5
e533ceee40191cb811082eb7fc920fbd

SHA1
0dea0a528e11a83d578eb1d59b7366e882b5998a

SHA256
f2e62c3cfcb3f32072760949eb72c1eb63bec20d5a5c80e04c693be2f0d111dd

SHA512
02b9e99cfc82ed69ed0173606b650b9aaeffb369e0c5203fa1972f4ec9f0a311dd4ccc9f01243594ab56df988992a860f2c2503efd2160d4fb681c06a214166a

Download Submit
memory/188-16-0x0000000000000000-mapping.dmp

Download
memory/780-3-0x000000000040B000-mapping.dmp

Download
memory/780-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/780-4-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/780-2-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1752-8-0x00000000004085D0-mapping.dmp

Download
memory/1752-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1752-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1752-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2560-32-0x0000000073350000-0x00000000733E3000-memory.dmp

Filesize
588KB

Download
memory/2560-30-0x00000000004085D0-mapping.dmp

Download
memory/3208-20-0x0000000073350000-0x00000000733E3000-memory.dmp

Filesize
588KB

Download
memory/3208-17-0x0000000000000000-mapping.dmp

Download
memory/3488-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3488-25-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3488-24-0x000000000040B000-mapping.dmp

Download
memory/3640-14-0x0000000000000000-mapping.dmp

Download
memory/3888-33-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3888-35-0x00000000004B5210-mapping.dmp

Download
memory/3888-38-0x0000000073350000-0x00000000733E3000-memory.dmp

Filesize
588KB

Download
memory/3888-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3888-42-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads