darkcomet | d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f

Analysis

max time kernel
150s
max time network
11s
platform
windows7_x64
resource
win7v20210410
submitted
13-05-2021 11:19

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General

Target

d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
Size

1.9MB
MD5

39c4e0d317be94dd90138cbba7009f50
SHA1

f606d43b09f51620415a749fea1da7f33b652ebb
SHA256

d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f
SHA512

f7115ddeca1b6a70ff9c67e2a76f230a59f818815dba791d9dfd6cd9a764a3b0a38d1661cf0074b54ab93124c917859ee6fc9683dc236e395aef1dc68f902620

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

340 test.exe
1508 test.exe
296 test.exe

pid	process
340	test.exe
1508	test.exe
296	test.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2016-70-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2016-73-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/296-107-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/296-114-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Loads dropped DLL 5 IoCs

Processes:

d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe

pid	process
2016	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
2016	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
2016	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
2016	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
2016	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\test\\test.exe"	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exetest.exe

description	pid	process	target process
PID 772 set thread context of 2016	772	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
PID 340 set thread context of 1508	340	test.exe	test.exe
PID 340 set thread context of 296	340	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	296	test.exe
Token: SeSecurityPrivilege	296	test.exe
Token: SeTakeOwnershipPrivilege	296	test.exe
Token: SeLoadDriverPrivilege	296	test.exe
Token: SeSystemProfilePrivilege	296	test.exe
Token: SeSystemtimePrivilege	296	test.exe
Token: SeProfSingleProcessPrivilege	296	test.exe
Token: SeIncBasePriorityPrivilege	296	test.exe
Token: SeCreatePagefilePrivilege	296	test.exe
Token: SeBackupPrivilege	296	test.exe
Token: SeRestorePrivilege	296	test.exe
Token: SeShutdownPrivilege	296	test.exe
Token: SeDebugPrivilege	296	test.exe
Token: SeSystemEnvironmentPrivilege	296	test.exe
Token: SeChangeNotifyPrivilege	296	test.exe
Token: SeRemoteShutdownPrivilege	296	test.exe
Token: SeUndockPrivilege	296	test.exe
Token: SeManageVolumePrivilege	296	test.exe
Token: SeImpersonatePrivilege	296	test.exe
Token: SeCreateGlobalPrivilege	296	test.exe
Token: 33	296	test.exe
Token: 34	296	test.exe
Token: 35	296	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe
Token: SeDebugPrivilege	1508	test.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exed3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exetest.exetest.exe

pid	process
772	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
2016	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
340	test.exe
1508	test.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exed3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.execmd.exetest.exe

description	pid	process	target process
PID 772 wrote to memory of 2016	772	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
PID 772 wrote to memory of 2016	772	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
PID 772 wrote to memory of 2016	772	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
PID 772 wrote to memory of 2016	772	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
PID 772 wrote to memory of 2016	772	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
PID 772 wrote to memory of 2016	772	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
PID 772 wrote to memory of 2016	772	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
PID 772 wrote to memory of 2016	772	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
PID 2016 wrote to memory of 1584	2016	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	cmd.exe
PID 2016 wrote to memory of 1584	2016	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	cmd.exe
PID 2016 wrote to memory of 1584	2016	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	cmd.exe
PID 2016 wrote to memory of 1584	2016	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	cmd.exe
PID 1584 wrote to memory of 528	1584	cmd.exe	reg.exe
PID 1584 wrote to memory of 528	1584	cmd.exe	reg.exe
PID 1584 wrote to memory of 528	1584	cmd.exe	reg.exe
PID 1584 wrote to memory of 528	1584	cmd.exe	reg.exe
PID 2016 wrote to memory of 340	2016	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	test.exe
PID 2016 wrote to memory of 340	2016	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	test.exe
PID 2016 wrote to memory of 340	2016	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	test.exe
PID 2016 wrote to memory of 340	2016	d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe	test.exe
PID 340 wrote to memory of 1508	340	test.exe	test.exe
PID 340 wrote to memory of 1508	340	test.exe	test.exe
PID 340 wrote to memory of 1508	340	test.exe	test.exe
PID 340 wrote to memory of 1508	340	test.exe	test.exe
PID 340 wrote to memory of 1508	340	test.exe	test.exe
PID 340 wrote to memory of 1508	340	test.exe	test.exe
PID 340 wrote to memory of 1508	340	test.exe	test.exe
PID 340 wrote to memory of 1508	340	test.exe	test.exe
PID 340 wrote to memory of 296	340	test.exe	test.exe
PID 340 wrote to memory of 296	340	test.exe	test.exe
PID 340 wrote to memory of 296	340	test.exe	test.exe
PID 340 wrote to memory of 296	340	test.exe	test.exe
PID 340 wrote to memory of 296	340	test.exe	test.exe
PID 340 wrote to memory of 296	340	test.exe	test.exe
PID 340 wrote to memory of 296	340	test.exe	test.exe
PID 340 wrote to memory of 296	340	test.exe	test.exe

C:\Users\Admin\AppData\Local\Temp\d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
"C:\Users\Admin\AppData\Local\Temp\d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:772

C:\Users\Admin\AppData\Local\Temp\d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe
"C:\Users\Admin\AppData\Local\Temp\d3089f6b3b583203c76258ec3a0c55ea78fca7fa84e91261922f73b54766ca2f.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2016

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\FJYAY.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:1584

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:528

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:340

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:1508

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:296

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\FJYAY.bat
MD5
527683c48cc4c7190219814c77b72fe0

SHA1
d995878a8f4b9824a0508039eeada5376be9a52d

SHA256
bbebf3e66136e700d8e3e2e0c8f461cdd9d7e68fe5a18a235afe86344932fb4b

SHA512
408a53b240c23fa34153ccc2b2315f28a9741121ecc9b76d50267ee62d78230e65574327369f83c779c781802c0c28f6c578703c01a67de46c3d44f71b814fa6

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
41da08f565dd77df43fe4533c6fac902

SHA1
c6107726832c9a49b57909d81ac7490ab1f8b274

SHA256
944db08ea4eea471e6d903e47a761cadd580c4bb67e02974eb5297031602b1de

SHA512
0eebc84e769b944ad81bc00aca04dec3f32cf7d33542e99af0e65cfd3d392c74d1d6e531e22814d354d59203bb1fb171ba716f9d202493ac285c3ec626447c57

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
41da08f565dd77df43fe4533c6fac902

SHA1
c6107726832c9a49b57909d81ac7490ab1f8b274

SHA256
944db08ea4eea471e6d903e47a761cadd580c4bb67e02974eb5297031602b1de

SHA512
0eebc84e769b944ad81bc00aca04dec3f32cf7d33542e99af0e65cfd3d392c74d1d6e531e22814d354d59203bb1fb171ba716f9d202493ac285c3ec626447c57

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
41da08f565dd77df43fe4533c6fac902

SHA1
c6107726832c9a49b57909d81ac7490ab1f8b274

SHA256
944db08ea4eea471e6d903e47a761cadd580c4bb67e02974eb5297031602b1de

SHA512
0eebc84e769b944ad81bc00aca04dec3f32cf7d33542e99af0e65cfd3d392c74d1d6e531e22814d354d59203bb1fb171ba716f9d202493ac285c3ec626447c57

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
41da08f565dd77df43fe4533c6fac902

SHA1
c6107726832c9a49b57909d81ac7490ab1f8b274

SHA256
944db08ea4eea471e6d903e47a761cadd580c4bb67e02974eb5297031602b1de

SHA512
0eebc84e769b944ad81bc00aca04dec3f32cf7d33542e99af0e65cfd3d392c74d1d6e531e22814d354d59203bb1fb171ba716f9d202493ac285c3ec626447c57

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe
MD5
41da08f565dd77df43fe4533c6fac902

SHA1
c6107726832c9a49b57909d81ac7490ab1f8b274

SHA256
944db08ea4eea471e6d903e47a761cadd580c4bb67e02974eb5297031602b1de

SHA512
0eebc84e769b944ad81bc00aca04dec3f32cf7d33542e99af0e65cfd3d392c74d1d6e531e22814d354d59203bb1fb171ba716f9d202493ac285c3ec626447c57

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe
MD5
41da08f565dd77df43fe4533c6fac902

SHA1
c6107726832c9a49b57909d81ac7490ab1f8b274

SHA256
944db08ea4eea471e6d903e47a761cadd580c4bb67e02974eb5297031602b1de

SHA512
0eebc84e769b944ad81bc00aca04dec3f32cf7d33542e99af0e65cfd3d392c74d1d6e531e22814d354d59203bb1fb171ba716f9d202493ac285c3ec626447c57

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe
MD5
41da08f565dd77df43fe4533c6fac902

SHA1
c6107726832c9a49b57909d81ac7490ab1f8b274

SHA256
944db08ea4eea471e6d903e47a761cadd580c4bb67e02974eb5297031602b1de

SHA512
0eebc84e769b944ad81bc00aca04dec3f32cf7d33542e99af0e65cfd3d392c74d1d6e531e22814d354d59203bb1fb171ba716f9d202493ac285c3ec626447c57

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe
MD5
41da08f565dd77df43fe4533c6fac902

SHA1
c6107726832c9a49b57909d81ac7490ab1f8b274

SHA256
944db08ea4eea471e6d903e47a761cadd580c4bb67e02974eb5297031602b1de

SHA512
0eebc84e769b944ad81bc00aca04dec3f32cf7d33542e99af0e65cfd3d392c74d1d6e531e22814d354d59203bb1fb171ba716f9d202493ac285c3ec626447c57

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe
MD5
41da08f565dd77df43fe4533c6fac902

SHA1
c6107726832c9a49b57909d81ac7490ab1f8b274

SHA256
944db08ea4eea471e6d903e47a761cadd580c4bb67e02974eb5297031602b1de

SHA512
0eebc84e769b944ad81bc00aca04dec3f32cf7d33542e99af0e65cfd3d392c74d1d6e531e22814d354d59203bb1fb171ba716f9d202493ac285c3ec626447c57

Download Submit
memory/296-108-0x00000000004B5640-mapping.dmp

Download
memory/296-115-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/296-114-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/296-107-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/340-90-0x0000000000000000-mapping.dmp

Download
memory/528-84-0x0000000000000000-mapping.dmp

Download
memory/772-69-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/772-67-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/772-59-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/772-78-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/772-77-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/772-76-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/772-75-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/772-62-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/772-72-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/772-68-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/772-79-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/772-66-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/772-65-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/772-63-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1508-105-0x00000000004085D0-mapping.dmp

Download
memory/1584-82-0x0000000000000000-mapping.dmp

Download
memory/2016-81-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

Filesize
8KB

Download
memory/2016-73-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2016-71-0x00000000004085D0-mapping.dmp

Download
memory/2016-70-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download