darkcomet | 963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e

Analysis

max time kernel
151s
max time network
183s
platform
windows7_x64
resource
win7v20210408
submitted
15-05-2021 13:26

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General

Target

963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe
Size

1.9MB
MD5

b59b198e170da97221264dda2d1b6d0b
SHA1

eb3900951abbd3eeca751f3d6fdb1ba39f58bb6c
SHA256

963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e
SHA512

4d13e289841a55f51b27d38c7dafbfeaebdba0b9d80c79ebd2018eb56fbff6fc6cac5cc854a509e0858d9c6d24ba3d227b1dcadfdb33ffdac49cc5dc7bc8f7e7

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

824 test.exe
432 test.exe
964 test.exe

pid	process
824	test.exe
432	test.exe
964	test.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1900-71-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1900-75-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/964-108-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/964-122-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Loads dropped DLL 5 IoCs

Processes:

963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe

pid	process
1900	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe
1900	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe
1900	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe
1900	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe
1900	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.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
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\test\\test.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exetest.exe

description	pid	process	target process
PID 1972 set thread context of 1900	1972	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe
PID 824 set thread context of 432	824	test.exe	test.exe
PID 824 set thread context of 964	824	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	964	test.exe
Token: SeSecurityPrivilege	964	test.exe
Token: SeTakeOwnershipPrivilege	964	test.exe
Token: SeLoadDriverPrivilege	964	test.exe
Token: SeSystemProfilePrivilege	964	test.exe
Token: SeSystemtimePrivilege	964	test.exe
Token: SeProfSingleProcessPrivilege	964	test.exe
Token: SeIncBasePriorityPrivilege	964	test.exe
Token: SeCreatePagefilePrivilege	964	test.exe
Token: SeBackupPrivilege	964	test.exe
Token: SeRestorePrivilege	964	test.exe
Token: SeShutdownPrivilege	964	test.exe
Token: SeDebugPrivilege	964	test.exe
Token: SeSystemEnvironmentPrivilege	964	test.exe
Token: SeChangeNotifyPrivilege	964	test.exe
Token: SeRemoteShutdownPrivilege	964	test.exe
Token: SeUndockPrivilege	964	test.exe
Token: SeManageVolumePrivilege	964	test.exe
Token: SeImpersonatePrivilege	964	test.exe
Token: SeCreateGlobalPrivilege	964	test.exe
Token: 33	964	test.exe
Token: 34	964	test.exe
Token: 35	964	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe
Token: SeDebugPrivilege	432	test.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exetest.exetest.exe

pid	process
1972	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe
1900	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe
824	test.exe
432	test.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.execmd.exetest.exe

description	pid	process	target process
PID 1972 wrote to memory of 1900	1972	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe
PID 1972 wrote to memory of 1900	1972	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe
PID 1972 wrote to memory of 1900	1972	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe
PID 1972 wrote to memory of 1900	1972	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe
PID 1972 wrote to memory of 1900	1972	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe
PID 1972 wrote to memory of 1900	1972	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe
PID 1972 wrote to memory of 1900	1972	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe
PID 1972 wrote to memory of 1900	1972	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe
PID 1900 wrote to memory of 316	1900	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe	cmd.exe
PID 1900 wrote to memory of 316	1900	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe	cmd.exe
PID 1900 wrote to memory of 316	1900	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe	cmd.exe
PID 1900 wrote to memory of 316	1900	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe	cmd.exe
PID 316 wrote to memory of 1388	316	cmd.exe	reg.exe
PID 316 wrote to memory of 1388	316	cmd.exe	reg.exe
PID 316 wrote to memory of 1388	316	cmd.exe	reg.exe
PID 316 wrote to memory of 1388	316	cmd.exe	reg.exe
PID 1900 wrote to memory of 824	1900	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe	test.exe
PID 1900 wrote to memory of 824	1900	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe	test.exe
PID 1900 wrote to memory of 824	1900	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe	test.exe
PID 1900 wrote to memory of 824	1900	963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe	test.exe
PID 824 wrote to memory of 432	824	test.exe	test.exe
PID 824 wrote to memory of 432	824	test.exe	test.exe
PID 824 wrote to memory of 432	824	test.exe	test.exe
PID 824 wrote to memory of 432	824	test.exe	test.exe
PID 824 wrote to memory of 432	824	test.exe	test.exe
PID 824 wrote to memory of 432	824	test.exe	test.exe
PID 824 wrote to memory of 432	824	test.exe	test.exe
PID 824 wrote to memory of 432	824	test.exe	test.exe
PID 824 wrote to memory of 964	824	test.exe	test.exe
PID 824 wrote to memory of 964	824	test.exe	test.exe
PID 824 wrote to memory of 964	824	test.exe	test.exe
PID 824 wrote to memory of 964	824	test.exe	test.exe
PID 824 wrote to memory of 964	824	test.exe	test.exe
PID 824 wrote to memory of 964	824	test.exe	test.exe
PID 824 wrote to memory of 964	824	test.exe	test.exe
PID 824 wrote to memory of 964	824	test.exe	test.exe

C:\Users\Admin\AppData\Local\Temp\963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe
"C:\Users\Admin\AppData\Local\Temp\963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1972

C:\Users\Admin\AppData\Local\Temp\963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe
"C:\Users\Admin\AppData\Local\Temp\963ad0005f9082bae33060722c0725ee50a4464c08229fc6376514a07dab348e.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1900

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\GBYWA.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:316

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:1388

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:824

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:432

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:964

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\GBYWA.bat
MD5
527683c48cc4c7190219814c77b72fe0

SHA1
d995878a8f4b9824a0508039eeada5376be9a52d

SHA256
bbebf3e66136e700d8e3e2e0c8f461cdd9d7e68fe5a18a235afe86344932fb4b

SHA512
408a53b240c23fa34153ccc2b2315f28a9741121ecc9b76d50267ee62d78230e65574327369f83c779c781802c0c28f6c578703c01a67de46c3d44f71b814fa6

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
5c1fba3a94bd84c29f68d4639425eabf

SHA1
d8ff701826ad42f4d8c76bdd2a72db3eaa48a682

SHA256
ec467a1e344c1057a45a4a8bfe5d37fa6240edb729904c634d26ab9ee6685827

SHA512
c0098a10800cfbd58a284b0fe994bc8fcbc3bc0a6f154eadab9e0b7656df28e547c2fb37a161aaae60f1120ad5d94f93d7c378d479331096262c925af6275934

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
5c1fba3a94bd84c29f68d4639425eabf

SHA1
d8ff701826ad42f4d8c76bdd2a72db3eaa48a682

SHA256
ec467a1e344c1057a45a4a8bfe5d37fa6240edb729904c634d26ab9ee6685827

SHA512
c0098a10800cfbd58a284b0fe994bc8fcbc3bc0a6f154eadab9e0b7656df28e547c2fb37a161aaae60f1120ad5d94f93d7c378d479331096262c925af6275934

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
5c1fba3a94bd84c29f68d4639425eabf

SHA1
d8ff701826ad42f4d8c76bdd2a72db3eaa48a682

SHA256
ec467a1e344c1057a45a4a8bfe5d37fa6240edb729904c634d26ab9ee6685827

SHA512
c0098a10800cfbd58a284b0fe994bc8fcbc3bc0a6f154eadab9e0b7656df28e547c2fb37a161aaae60f1120ad5d94f93d7c378d479331096262c925af6275934

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
MD5
5c1fba3a94bd84c29f68d4639425eabf

SHA1
d8ff701826ad42f4d8c76bdd2a72db3eaa48a682

SHA256
ec467a1e344c1057a45a4a8bfe5d37fa6240edb729904c634d26ab9ee6685827

SHA512
c0098a10800cfbd58a284b0fe994bc8fcbc3bc0a6f154eadab9e0b7656df28e547c2fb37a161aaae60f1120ad5d94f93d7c378d479331096262c925af6275934

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe
MD5
5c1fba3a94bd84c29f68d4639425eabf

SHA1
d8ff701826ad42f4d8c76bdd2a72db3eaa48a682

SHA256
ec467a1e344c1057a45a4a8bfe5d37fa6240edb729904c634d26ab9ee6685827

SHA512
c0098a10800cfbd58a284b0fe994bc8fcbc3bc0a6f154eadab9e0b7656df28e547c2fb37a161aaae60f1120ad5d94f93d7c378d479331096262c925af6275934

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe
MD5
5c1fba3a94bd84c29f68d4639425eabf

SHA1
d8ff701826ad42f4d8c76bdd2a72db3eaa48a682

SHA256
ec467a1e344c1057a45a4a8bfe5d37fa6240edb729904c634d26ab9ee6685827

SHA512
c0098a10800cfbd58a284b0fe994bc8fcbc3bc0a6f154eadab9e0b7656df28e547c2fb37a161aaae60f1120ad5d94f93d7c378d479331096262c925af6275934

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe
MD5
5c1fba3a94bd84c29f68d4639425eabf

SHA1
d8ff701826ad42f4d8c76bdd2a72db3eaa48a682

SHA256
ec467a1e344c1057a45a4a8bfe5d37fa6240edb729904c634d26ab9ee6685827

SHA512
c0098a10800cfbd58a284b0fe994bc8fcbc3bc0a6f154eadab9e0b7656df28e547c2fb37a161aaae60f1120ad5d94f93d7c378d479331096262c925af6275934

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe
MD5
5c1fba3a94bd84c29f68d4639425eabf

SHA1
d8ff701826ad42f4d8c76bdd2a72db3eaa48a682

SHA256
ec467a1e344c1057a45a4a8bfe5d37fa6240edb729904c634d26ab9ee6685827

SHA512
c0098a10800cfbd58a284b0fe994bc8fcbc3bc0a6f154eadab9e0b7656df28e547c2fb37a161aaae60f1120ad5d94f93d7c378d479331096262c925af6275934

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe
MD5
5c1fba3a94bd84c29f68d4639425eabf

SHA1
d8ff701826ad42f4d8c76bdd2a72db3eaa48a682

SHA256
ec467a1e344c1057a45a4a8bfe5d37fa6240edb729904c634d26ab9ee6685827

SHA512
c0098a10800cfbd58a284b0fe994bc8fcbc3bc0a6f154eadab9e0b7656df28e547c2fb37a161aaae60f1120ad5d94f93d7c378d479331096262c925af6275934

Download Submit
memory/316-83-0x0000000000000000-mapping.dmp

Download
memory/432-106-0x00000000004085D0-mapping.dmp

Download
memory/824-91-0x0000000000000000-mapping.dmp

Download
memory/964-122-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/964-123-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/964-110-0x00000000004B5640-mapping.dmp

Download
memory/964-108-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1388-85-0x0000000000000000-mapping.dmp

Download
memory/1900-82-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

Filesize
8KB

Download
memory/1900-75-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1900-72-0x00000000004085D0-mapping.dmp

Download
memory/1900-71-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1972-67-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1972-79-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1972-70-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1972-69-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1972-68-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1972-73-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1972-66-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1972-74-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1972-64-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1972-81-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/1972-63-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1972-77-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1972-76-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1972-60-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download