darkcomet | 0710f721a99065dfb692e62996c0681172acfc256c230f1676ebb646e94f2cca

Analysis

max time kernel
142s
max time network
179s
platform
windows7_x64
resource
win7v20210408
submitted
13-05-2021 12:00

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General

Target

0710f721a99065dfb692e62996c0681172acfc256c230f1676ebb646e94f2cca.exe
Size

1.6MB
MD5

ccbde79e9dcbb71a79820b1f5d0fe6f5
SHA1

d83fbc9fa5aa59aa093891b599659e6fb7bbcc7d
SHA256

0710f721a99065dfb692e62996c0681172acfc256c230f1676ebb646e94f2cca
SHA512

362fdc897419de502228b7673a9613eedec2baeed7dd10a2462840ab049819882ad29d75964df5c9da7a6f549ba9ff48a86f64515caa79ce8fe38ab3f7000751

Score

10^/10

darkcomet persistence rat trojan

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:

winini.exeÞÙËäÙ.exewinhost.exe

pid process

1128 winini.exe
1308 ÞÙËäÙ.exe
1724 winhost.exe

pid	process
1128	winini.exe
1308	ÞÙËäÙ.exe
1724	winhost.exe

Loads dropped DLL 4 IoCs

Processes:

0710f721a99065dfb692e62996c0681172acfc256c230f1676ebb646e94f2cca.exewinini.exe

pid	process
1652	0710f721a99065dfb692e62996c0681172acfc256c230f1676ebb646e94f2cca.exe
1652	0710f721a99065dfb692e62996c0681172acfc256c230f1676ebb646e94f2cca.exe
1652	0710f721a99065dfb692e62996c0681172acfc256c230f1676ebb646e94f2cca.exe
1128	winini.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

winini.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Live = "C:\\Users\\Admin\\AppData\\Local\\Temp\\winini.exe"	winini.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

winini.exe

description pid process target process

PID 1128 set thread context of 1724 1128 winini.exe winhost.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 1128 set thread context of 1724	1128	winini.exe	winhost.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

winini.exewinhost.exe

description	pid	process
Token: SeDebugPrivilege	1128	winini.exe
Token: SeIncreaseQuotaPrivilege	1724	winhost.exe
Token: SeSecurityPrivilege	1724	winhost.exe
Token: SeTakeOwnershipPrivilege	1724	winhost.exe
Token: SeLoadDriverPrivilege	1724	winhost.exe
Token: SeSystemProfilePrivilege	1724	winhost.exe
Token: SeSystemtimePrivilege	1724	winhost.exe
Token: SeProfSingleProcessPrivilege	1724	winhost.exe
Token: SeIncBasePriorityPrivilege	1724	winhost.exe
Token: SeCreatePagefilePrivilege	1724	winhost.exe
Token: SeBackupPrivilege	1724	winhost.exe
Token: SeRestorePrivilege	1724	winhost.exe
Token: SeShutdownPrivilege	1724	winhost.exe
Token: SeDebugPrivilege	1724	winhost.exe
Token: SeSystemEnvironmentPrivilege	1724	winhost.exe
Token: SeChangeNotifyPrivilege	1724	winhost.exe
Token: SeRemoteShutdownPrivilege	1724	winhost.exe
Token: SeUndockPrivilege	1724	winhost.exe
Token: SeManageVolumePrivilege	1724	winhost.exe
Token: SeImpersonatePrivilege	1724	winhost.exe
Token: SeCreateGlobalPrivilege	1724	winhost.exe
Token: 33	1724	winhost.exe
Token: 34	1724	winhost.exe
Token: 35	1724	winhost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

winhost.exe

pid process

1724 winhost.exe

pid	process
1724	winhost.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

0710f721a99065dfb692e62996c0681172acfc256c230f1676ebb646e94f2cca.exewinini.exe

description	pid	process	target process
PID 1652 wrote to memory of 1128	1652	0710f721a99065dfb692e62996c0681172acfc256c230f1676ebb646e94f2cca.exe	winini.exe
PID 1652 wrote to memory of 1128	1652	0710f721a99065dfb692e62996c0681172acfc256c230f1676ebb646e94f2cca.exe	winini.exe
PID 1652 wrote to memory of 1128	1652	0710f721a99065dfb692e62996c0681172acfc256c230f1676ebb646e94f2cca.exe	winini.exe
PID 1652 wrote to memory of 1128	1652	0710f721a99065dfb692e62996c0681172acfc256c230f1676ebb646e94f2cca.exe	winini.exe
PID 1652 wrote to memory of 1308	1652	0710f721a99065dfb692e62996c0681172acfc256c230f1676ebb646e94f2cca.exe	ÞÙËäÙ.exe
PID 1652 wrote to memory of 1308	1652	0710f721a99065dfb692e62996c0681172acfc256c230f1676ebb646e94f2cca.exe	ÞÙËäÙ.exe
PID 1652 wrote to memory of 1308	1652	0710f721a99065dfb692e62996c0681172acfc256c230f1676ebb646e94f2cca.exe	ÞÙËäÙ.exe
PID 1652 wrote to memory of 1308	1652	0710f721a99065dfb692e62996c0681172acfc256c230f1676ebb646e94f2cca.exe	ÞÙËäÙ.exe
PID 1128 wrote to memory of 1724	1128	winini.exe	winhost.exe
PID 1128 wrote to memory of 1724	1128	winini.exe	winhost.exe
PID 1128 wrote to memory of 1724	1128	winini.exe	winhost.exe
PID 1128 wrote to memory of 1724	1128	winini.exe	winhost.exe
PID 1128 wrote to memory of 1724	1128	winini.exe	winhost.exe
PID 1128 wrote to memory of 1724	1128	winini.exe	winhost.exe
PID 1128 wrote to memory of 1724	1128	winini.exe	winhost.exe
PID 1128 wrote to memory of 1724	1128	winini.exe	winhost.exe
PID 1128 wrote to memory of 1724	1128	winini.exe	winhost.exe
PID 1128 wrote to memory of 1724	1128	winini.exe	winhost.exe
PID 1128 wrote to memory of 1724	1128	winini.exe	winhost.exe
PID 1128 wrote to memory of 1724	1128	winini.exe	winhost.exe
PID 1128 wrote to memory of 1724	1128	winini.exe	winhost.exe

C:\Users\Admin\AppData\Local\Temp\0710f721a99065dfb692e62996c0681172acfc256c230f1676ebb646e94f2cca.exe
"C:\Users\Admin\AppData\Local\Temp\0710f721a99065dfb692e62996c0681172acfc256c230f1676ebb646e94f2cca.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1652

C:\Users\Admin\AppData\Local\Temp\winini.exe
"C:\Users\Admin\AppData\Local\Temp\winini.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1128

C:\Users\Admin\AppData\Local\Temp\winhost.exe
C:\Users\Admin\AppData\Local\Temp\winhost.exe
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1724

C:\Users\Admin\AppData\Local\Temp\ÞÙËäÙ.exe
"C:\Users\Admin\AppData\Local\Temp\ÞÙËäÙ.exe"
2⤵
- Executes dropped EXE
PID:1308

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\winhost.exe
MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\winini.exe
MD5
a8590dc96290e160b7518cfbc2b60bba

SHA1
e1f2ad4c512f33e5232d15f700d3850b947aa9ab

SHA256
9869f7a1218218380c9f05f0d50b2c0fc7a2c153cf1a9a238651236767c2e252

SHA512
2381a5cfa84b321a27832072cc514adcf1ee52864b105fe205a308afbde71c7606e80527e1f0ec8fb12c87f834ee4cfada7c2f731f7eeed92070df23aaed5aa0

Download Submit
C:\Users\Admin\AppData\Local\Temp\winini.exe
MD5
a8590dc96290e160b7518cfbc2b60bba

SHA1
e1f2ad4c512f33e5232d15f700d3850b947aa9ab

SHA256
9869f7a1218218380c9f05f0d50b2c0fc7a2c153cf1a9a238651236767c2e252

SHA512
2381a5cfa84b321a27832072cc514adcf1ee52864b105fe205a308afbde71c7606e80527e1f0ec8fb12c87f834ee4cfada7c2f731f7eeed92070df23aaed5aa0

Download Submit
C:\Users\Admin\AppData\Local\Temp\ÞÙËäÙ.exe
MD5
32cbecf1c0b588ef3ab1c700f5bd7c8d

SHA1
1ef6254aa8fbfd0e0be522540937b673f292a339

SHA256
d4aa281ba3424b4160c40a898e314d0ba4a7bd2532a10f5ba965f90b98f64294

SHA512
65201ccfa400454d34916faba7238ae315e00b029a8a213a4990aa302c9512bdcd8982038f06435cd5f62d107c5f2e1de9149da14437d09686b7fd7a4b4ee882

Download Submit
C:\Users\Admin\AppData\Local\Temp\ÞÙËäÙ.exe
MD5
32cbecf1c0b588ef3ab1c700f5bd7c8d

SHA1
1ef6254aa8fbfd0e0be522540937b673f292a339

SHA256
d4aa281ba3424b4160c40a898e314d0ba4a7bd2532a10f5ba965f90b98f64294

SHA512
65201ccfa400454d34916faba7238ae315e00b029a8a213a4990aa302c9512bdcd8982038f06435cd5f62d107c5f2e1de9149da14437d09686b7fd7a4b4ee882

Download Submit
\Users\Admin\AppData\Local\Temp\winhost.exe
MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
\Users\Admin\AppData\Local\Temp\winini.exe
MD5
a8590dc96290e160b7518cfbc2b60bba

SHA1
e1f2ad4c512f33e5232d15f700d3850b947aa9ab

SHA256
9869f7a1218218380c9f05f0d50b2c0fc7a2c153cf1a9a238651236767c2e252

SHA512
2381a5cfa84b321a27832072cc514adcf1ee52864b105fe205a308afbde71c7606e80527e1f0ec8fb12c87f834ee4cfada7c2f731f7eeed92070df23aaed5aa0

Download Submit
\Users\Admin\AppData\Local\Temp\winini.exe
MD5
a8590dc96290e160b7518cfbc2b60bba

SHA1
e1f2ad4c512f33e5232d15f700d3850b947aa9ab

SHA256
9869f7a1218218380c9f05f0d50b2c0fc7a2c153cf1a9a238651236767c2e252

SHA512
2381a5cfa84b321a27832072cc514adcf1ee52864b105fe205a308afbde71c7606e80527e1f0ec8fb12c87f834ee4cfada7c2f731f7eeed92070df23aaed5aa0

Download Submit
\Users\Admin\AppData\Local\Temp\ÞÙËäÙ.exe
MD5
32cbecf1c0b588ef3ab1c700f5bd7c8d

SHA1
1ef6254aa8fbfd0e0be522540937b673f292a339

SHA256
d4aa281ba3424b4160c40a898e314d0ba4a7bd2532a10f5ba965f90b98f64294

SHA512
65201ccfa400454d34916faba7238ae315e00b029a8a213a4990aa302c9512bdcd8982038f06435cd5f62d107c5f2e1de9149da14437d09686b7fd7a4b4ee882

Download Submit
memory/1128-64-0x0000000000000000-mapping.dmp

Download
memory/1128-68-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/1308-70-0x0000000000000000-mapping.dmp

Download
memory/1308-78-0x00000000002B0000-0x00000000002B2000-memory.dmp

Filesize
8KB

Download
memory/1308-83-0x00000000002D5000-0x00000000002D6000-memory.dmp

Filesize
4KB

Download
memory/1308-82-0x00000000002B6000-0x00000000002D5000-memory.dmp

Filesize
124KB

Download
memory/1308-81-0x000007FEF2EF0000-0x000007FEF3F86000-memory.dmp

Filesize
16.6MB

Download
memory/1652-60-0x0000000076641000-0x0000000076643000-memory.dmp

Filesize
8KB

Download
memory/1652-61-0x00000000007F0000-0x00000000007F1000-memory.dmp

Filesize
4KB

Download
memory/1724-80-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1724-79-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/1724-75-0x000000000049F92C-mapping.dmp

Download
memory/1724-74-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download