darkcomet | fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6

General

Target

fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe
Size

1.5MB
MD5

f82031ee1e40e4341bfde851b1cb4c4f
SHA1

916547b801d7b930cf98f8ad723aee5384e32623
SHA256

fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6
SHA512

57ec4eed21adf2564ec617766b045a97d5d8797bb97525c20239f15344327f7f07970903c6dbde2679e962efa1ed91137a714a76023c0999979dc1b9254aaaac

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

3348 ichader.exe
3304 ichader.exe
1940 ichader.exe

pid	process
3348	ichader.exe
3304	ichader.exe
1940	ichader.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3156-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3156-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3156-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1940-34-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1940-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1940-42-0x0000000000400000-0x00000000004B7000-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-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\java = "C:\\Users\\Admin\\AppData\\Roaming\\IDM\\ichader.exe"	reg.exe

Suspicious use of SetThreadContext 5 IoCs

Processes:

fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exeichader.exe

description	pid	process	target process
PID 672 set thread context of 3752	672	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	svchost.exe
PID 672 set thread context of 3156	672	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe
PID 3348 set thread context of 3660	3348	ichader.exe	svchost.exe
PID 3348 set thread context of 3304	3348	ichader.exe	ichader.exe
PID 3348 set thread context of 1940	3348	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
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe
3752	svchost.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

ichader.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1940	ichader.exe
Token: SeSecurityPrivilege	1940	ichader.exe
Token: SeTakeOwnershipPrivilege	1940	ichader.exe
Token: SeLoadDriverPrivilege	1940	ichader.exe
Token: SeSystemProfilePrivilege	1940	ichader.exe
Token: SeSystemtimePrivilege	1940	ichader.exe
Token: SeProfSingleProcessPrivilege	1940	ichader.exe
Token: SeIncBasePriorityPrivilege	1940	ichader.exe
Token: SeCreatePagefilePrivilege	1940	ichader.exe
Token: SeBackupPrivilege	1940	ichader.exe
Token: SeRestorePrivilege	1940	ichader.exe
Token: SeShutdownPrivilege	1940	ichader.exe
Token: SeDebugPrivilege	1940	ichader.exe
Token: SeSystemEnvironmentPrivilege	1940	ichader.exe
Token: SeChangeNotifyPrivilege	1940	ichader.exe
Token: SeRemoteShutdownPrivilege	1940	ichader.exe
Token: SeUndockPrivilege	1940	ichader.exe
Token: SeManageVolumePrivilege	1940	ichader.exe
Token: SeImpersonatePrivilege	1940	ichader.exe
Token: SeCreateGlobalPrivilege	1940	ichader.exe
Token: 33	1940	ichader.exe
Token: 34	1940	ichader.exe
Token: 35	1940	ichader.exe
Token: 36	1940	ichader.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exesvchost.exefddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exeichader.exesvchost.exeichader.exeichader.exe

pid	process
672	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe
3752	svchost.exe
3156	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe
3348	ichader.exe
3660	svchost.exe
3304	ichader.exe
1940	ichader.exe

Suspicious use of WriteProcessMemory 51 IoCs

Processes:

fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exefddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.execmd.exeichader.exe

description	pid	process	target process
PID 672 wrote to memory of 3752	672	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	svchost.exe
PID 672 wrote to memory of 3752	672	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	svchost.exe
PID 672 wrote to memory of 3752	672	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	svchost.exe
PID 672 wrote to memory of 3752	672	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	svchost.exe
PID 672 wrote to memory of 3752	672	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	svchost.exe
PID 672 wrote to memory of 3752	672	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	svchost.exe
PID 672 wrote to memory of 3752	672	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	svchost.exe
PID 672 wrote to memory of 3752	672	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	svchost.exe
PID 672 wrote to memory of 3752	672	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	svchost.exe
PID 672 wrote to memory of 3156	672	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe
PID 672 wrote to memory of 3156	672	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe
PID 672 wrote to memory of 3156	672	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe
PID 672 wrote to memory of 3156	672	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe
PID 672 wrote to memory of 3156	672	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe
PID 672 wrote to memory of 3156	672	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe
PID 672 wrote to memory of 3156	672	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe
PID 672 wrote to memory of 3156	672	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe
PID 3156 wrote to memory of 184	3156	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	cmd.exe
PID 3156 wrote to memory of 184	3156	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	cmd.exe
PID 3156 wrote to memory of 184	3156	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	cmd.exe
PID 184 wrote to memory of 2720	184	cmd.exe	reg.exe
PID 184 wrote to memory of 2720	184	cmd.exe	reg.exe
PID 184 wrote to memory of 2720	184	cmd.exe	reg.exe
PID 3156 wrote to memory of 3348	3156	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	ichader.exe
PID 3156 wrote to memory of 3348	3156	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	ichader.exe
PID 3156 wrote to memory of 3348	3156	fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe	ichader.exe
PID 3348 wrote to memory of 3660	3348	ichader.exe	svchost.exe
PID 3348 wrote to memory of 3660	3348	ichader.exe	svchost.exe
PID 3348 wrote to memory of 3660	3348	ichader.exe	svchost.exe
PID 3348 wrote to memory of 3660	3348	ichader.exe	svchost.exe
PID 3348 wrote to memory of 3660	3348	ichader.exe	svchost.exe
PID 3348 wrote to memory of 3660	3348	ichader.exe	svchost.exe
PID 3348 wrote to memory of 3660	3348	ichader.exe	svchost.exe
PID 3348 wrote to memory of 3660	3348	ichader.exe	svchost.exe
PID 3348 wrote to memory of 3660	3348	ichader.exe	svchost.exe
PID 3348 wrote to memory of 3304	3348	ichader.exe	ichader.exe
PID 3348 wrote to memory of 3304	3348	ichader.exe	ichader.exe
PID 3348 wrote to memory of 3304	3348	ichader.exe	ichader.exe
PID 3348 wrote to memory of 3304	3348	ichader.exe	ichader.exe
PID 3348 wrote to memory of 3304	3348	ichader.exe	ichader.exe
PID 3348 wrote to memory of 3304	3348	ichader.exe	ichader.exe
PID 3348 wrote to memory of 3304	3348	ichader.exe	ichader.exe
PID 3348 wrote to memory of 3304	3348	ichader.exe	ichader.exe
PID 3348 wrote to memory of 1940	3348	ichader.exe	ichader.exe
PID 3348 wrote to memory of 1940	3348	ichader.exe	ichader.exe
PID 3348 wrote to memory of 1940	3348	ichader.exe	ichader.exe
PID 3348 wrote to memory of 1940	3348	ichader.exe	ichader.exe
PID 3348 wrote to memory of 1940	3348	ichader.exe	ichader.exe
PID 3348 wrote to memory of 1940	3348	ichader.exe	ichader.exe
PID 3348 wrote to memory of 1940	3348	ichader.exe	ichader.exe
PID 3348 wrote to memory of 1940	3348	ichader.exe	ichader.exe

C:\Users\Admin\AppData\Local\Temp\fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe
"C:\Users\Admin\AppData\Local\Temp\fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:672

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\system32\svchost.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3752

C:\Users\Admin\AppData\Local\Temp\fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe
"C:\Users\Admin\AppData\Local\Temp\fddb7d6120715aad3f0661513fd2c868b14a71b25009de9c8cbeefc1fa36abc6.exe"
2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3156

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DNTLB.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:184

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:2720

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:3348

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\system32\svchost.exe"
4⤵
- Suspicious use of SetWindowsHookEx
PID:3660

C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
"C:\Users\Admin\AppData\Roaming\IDM\ichader.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3304

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:1940

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

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Downloads

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

SHA1
d13f167c73bfce23a2deab8ce7c4ce9f78759ff4

SHA256
2e72a8542f8f809bfb1e4adfb481c7c5e6dc00dda7970c74692ba8d83ea0a870

SHA512
74560e33477caae3c7bc13914e4ae3c6911bbcfe257b2833155c236a158db0aca17478beb9d97f648ff1ea566005260f511361771c74203195107f4e82cce7df

Download Submit
C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
MD5
9ff86fc62decb1b6398362826c339812

SHA1
e0940e22fd66755672d971baa4598cfccb892497

SHA256
0450af2f67235251ada103eac35a1824ccdbd3f4a8140c432789e7a7eeb59747

SHA512
94f4f8a3ea17895a67c43c645fbae8fa657430a6728e25373d7321b9a62977ba3a68edebaee11fb528f6331d7d8b98fffe80e0197d413a40e357511d6f11a936

Download Submit
C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
MD5
9ff86fc62decb1b6398362826c339812

SHA1
e0940e22fd66755672d971baa4598cfccb892497

SHA256
0450af2f67235251ada103eac35a1824ccdbd3f4a8140c432789e7a7eeb59747

SHA512
94f4f8a3ea17895a67c43c645fbae8fa657430a6728e25373d7321b9a62977ba3a68edebaee11fb528f6331d7d8b98fffe80e0197d413a40e357511d6f11a936

Download Submit
C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
MD5
9ff86fc62decb1b6398362826c339812

SHA1
e0940e22fd66755672d971baa4598cfccb892497

SHA256
0450af2f67235251ada103eac35a1824ccdbd3f4a8140c432789e7a7eeb59747

SHA512
94f4f8a3ea17895a67c43c645fbae8fa657430a6728e25373d7321b9a62977ba3a68edebaee11fb528f6331d7d8b98fffe80e0197d413a40e357511d6f11a936

Download Submit
C:\Users\Admin\AppData\Roaming\IDM\ichader.exe
MD5
9ff86fc62decb1b6398362826c339812

SHA1
e0940e22fd66755672d971baa4598cfccb892497

SHA256
0450af2f67235251ada103eac35a1824ccdbd3f4a8140c432789e7a7eeb59747

SHA512
94f4f8a3ea17895a67c43c645fbae8fa657430a6728e25373d7321b9a62977ba3a68edebaee11fb528f6331d7d8b98fffe80e0197d413a40e357511d6f11a936

Download Submit
memory/184-14-0x0000000000000000-mapping.dmp

Download
memory/1940-34-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1940-38-0x0000000073B00000-0x0000000073B93000-memory.dmp

Filesize
588KB

Download
memory/1940-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1940-36-0x00000000004B5210-mapping.dmp

Download
memory/1940-42-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2720-16-0x0000000000000000-mapping.dmp

Download
memory/3156-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3156-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3156-9-0x00000000004085D0-mapping.dmp

Download
memory/3156-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3304-29-0x00000000004085D0-mapping.dmp

Download
memory/3304-32-0x0000000073B00000-0x0000000073B93000-memory.dmp

Filesize
588KB

Download
memory/3348-17-0x0000000000000000-mapping.dmp

Download
memory/3348-20-0x0000000073B00000-0x0000000073B93000-memory.dmp

Filesize
588KB

Download
memory/3660-25-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3660-24-0x000000000040B000-mapping.dmp

Download
memory/3660-23-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3752-2-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3752-5-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3752-4-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3752-3-0x000000000040B000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads