darkcomet | 9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a

Analysis

max time kernel
150s
max time network
46s
platform
windows7_x64
resource
win7-20220414-en
submitted
02-05-2022 03:43

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General

Target

9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe
Size

1.5MB
MD5

01f1ae0432dc9cef9393df121d512502
SHA1

b1ee440d433494c89ca3a6cb6a4326f02af6c734
SHA256

9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a
SHA512

8670a8fd8b0ea6468bf34bdbe9da07d5b5036f2530fb74ab447c4277caf2b1feb086a076f92749f5fad36d2b76991bd6de2f541d75dbddc0492ff656fbeeaeeb

Score

10^/10

darkcomet 1 persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

anthraxgold.no-ip.info:666

Mutex

DC_MUTEX-169BEXQ

Attributes

gencode
M6QvjZgri1v2
install
false
offline_keylogger
false
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:

test.exetest.exetest.exe

pid process

760 test.exe
940 test.exe
1320 test.exe

pid	process
760	test.exe
940	test.exe
1320	test.exe

UPX packed file 13 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/872-66-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/872-68-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/872-69-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/872-72-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/872-73-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/872-76-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1320-109-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1320-113-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1320-114-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1320-117-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1320-120-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1320-121-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1320-122-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Loads dropped DLL 5 IoCs

Processes:

9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe

pid	process
872	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe
872	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe
872	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe
872	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe
872	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\test\\test.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exetest.exe

description	pid	process	target process
PID 1260 set thread context of 872	1260	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe
PID 760 set thread context of 940	760	test.exe	test.exe
PID 760 set thread context of 1320	760	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 23 IoCs

Processes:

test.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1320	test.exe
Token: SeSecurityPrivilege	1320	test.exe
Token: SeTakeOwnershipPrivilege	1320	test.exe
Token: SeLoadDriverPrivilege	1320	test.exe
Token: SeSystemProfilePrivilege	1320	test.exe
Token: SeSystemtimePrivilege	1320	test.exe
Token: SeProfSingleProcessPrivilege	1320	test.exe
Token: SeIncBasePriorityPrivilege	1320	test.exe
Token: SeCreatePagefilePrivilege	1320	test.exe
Token: SeBackupPrivilege	1320	test.exe
Token: SeRestorePrivilege	1320	test.exe
Token: SeShutdownPrivilege	1320	test.exe
Token: SeDebugPrivilege	1320	test.exe
Token: SeSystemEnvironmentPrivilege	1320	test.exe
Token: SeChangeNotifyPrivilege	1320	test.exe
Token: SeRemoteShutdownPrivilege	1320	test.exe
Token: SeUndockPrivilege	1320	test.exe
Token: SeManageVolumePrivilege	1320	test.exe
Token: SeImpersonatePrivilege	1320	test.exe
Token: SeCreateGlobalPrivilege	1320	test.exe
Token: 33	1320	test.exe
Token: 34	1320	test.exe
Token: 35	1320	test.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exetest.exe

pid	process
1260	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe
872	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe
760	test.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.execmd.exetest.exe

description	pid	process	target process
PID 1260 wrote to memory of 872	1260	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe
PID 1260 wrote to memory of 872	1260	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe
PID 1260 wrote to memory of 872	1260	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe
PID 1260 wrote to memory of 872	1260	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe
PID 1260 wrote to memory of 872	1260	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe
PID 1260 wrote to memory of 872	1260	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe
PID 1260 wrote to memory of 872	1260	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe
PID 1260 wrote to memory of 872	1260	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe
PID 872 wrote to memory of 2004	872	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe	cmd.exe
PID 872 wrote to memory of 2004	872	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe	cmd.exe
PID 872 wrote to memory of 2004	872	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe	cmd.exe
PID 872 wrote to memory of 2004	872	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe	cmd.exe
PID 2004 wrote to memory of 1948	2004	cmd.exe	reg.exe
PID 2004 wrote to memory of 1948	2004	cmd.exe	reg.exe
PID 2004 wrote to memory of 1948	2004	cmd.exe	reg.exe
PID 2004 wrote to memory of 1948	2004	cmd.exe	reg.exe
PID 872 wrote to memory of 760	872	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe	test.exe
PID 872 wrote to memory of 760	872	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe	test.exe
PID 872 wrote to memory of 760	872	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe	test.exe
PID 872 wrote to memory of 760	872	9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe	test.exe
PID 760 wrote to memory of 940	760	test.exe	test.exe
PID 760 wrote to memory of 940	760	test.exe	test.exe
PID 760 wrote to memory of 940	760	test.exe	test.exe
PID 760 wrote to memory of 940	760	test.exe	test.exe
PID 760 wrote to memory of 940	760	test.exe	test.exe
PID 760 wrote to memory of 940	760	test.exe	test.exe
PID 760 wrote to memory of 940	760	test.exe	test.exe
PID 760 wrote to memory of 940	760	test.exe	test.exe
PID 760 wrote to memory of 1320	760	test.exe	test.exe
PID 760 wrote to memory of 1320	760	test.exe	test.exe
PID 760 wrote to memory of 1320	760	test.exe	test.exe
PID 760 wrote to memory of 1320	760	test.exe	test.exe
PID 760 wrote to memory of 1320	760	test.exe	test.exe
PID 760 wrote to memory of 1320	760	test.exe	test.exe
PID 760 wrote to memory of 1320	760	test.exe	test.exe
PID 760 wrote to memory of 1320	760	test.exe	test.exe

C:\Users\Admin\AppData\Local\Temp\9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe
"C:\Users\Admin\AppData\Local\Temp\9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1260

C:\Users\Admin\AppData\Local\Temp\9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe
"C:\Users\Admin\AppData\Local\Temp\9d455a303a7e616dd2a20a9f3ff2b406862c24701977e35fe87cb5e061dbb23a.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:872

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\XNOMU.bat" "
3⤵
- Suspicious use of WriteProcessMemory
PID:2004

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:1948

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:760

C:\Users\Admin\AppData\Roaming\test\test.exe
"C:\Users\Admin\AppData\Roaming\test\test.exe"
4⤵
- Executes dropped EXE
PID:940

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:1320

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\XNOMU.bat
Filesize
138B

MD5
527683c48cc4c7190219814c77b72fe0

SHA1
d995878a8f4b9824a0508039eeada5376be9a52d

SHA256
bbebf3e66136e700d8e3e2e0c8f461cdd9d7e68fe5a18a235afe86344932fb4b

SHA512
408a53b240c23fa34153ccc2b2315f28a9741121ecc9b76d50267ee62d78230e65574327369f83c779c781802c0c28f6c578703c01a67de46c3d44f71b814fa6

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
Filesize
1.5MB

MD5
b3f203a866605026b31927a449bd358d

SHA1
e7b76fb5329fd32f2a4c9ba7a967e0546b1a230f

SHA256
d9588f45156dda00608b8ca4bb1b6bdc270acce6ea58f63c0e3482aee8fff4d0

SHA512
108a820203ca697592dd63bf0570a06718e93d78b32f467978ba8b5850f4a1eded62d3047d2d6287f3591b88722a6439f405b47aabbd1a56c82e6d2c76d57c3e

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
Filesize
1.5MB

MD5
b3f203a866605026b31927a449bd358d

SHA1
e7b76fb5329fd32f2a4c9ba7a967e0546b1a230f

SHA256
d9588f45156dda00608b8ca4bb1b6bdc270acce6ea58f63c0e3482aee8fff4d0

SHA512
108a820203ca697592dd63bf0570a06718e93d78b32f467978ba8b5850f4a1eded62d3047d2d6287f3591b88722a6439f405b47aabbd1a56c82e6d2c76d57c3e

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
Filesize
1.5MB

MD5
b3f203a866605026b31927a449bd358d

SHA1
e7b76fb5329fd32f2a4c9ba7a967e0546b1a230f

SHA256
d9588f45156dda00608b8ca4bb1b6bdc270acce6ea58f63c0e3482aee8fff4d0

SHA512
108a820203ca697592dd63bf0570a06718e93d78b32f467978ba8b5850f4a1eded62d3047d2d6287f3591b88722a6439f405b47aabbd1a56c82e6d2c76d57c3e

Download Submit
C:\Users\Admin\AppData\Roaming\test\test.exe
Filesize
1.5MB

MD5
b3f203a866605026b31927a449bd358d

SHA1
e7b76fb5329fd32f2a4c9ba7a967e0546b1a230f

SHA256
d9588f45156dda00608b8ca4bb1b6bdc270acce6ea58f63c0e3482aee8fff4d0

SHA512
108a820203ca697592dd63bf0570a06718e93d78b32f467978ba8b5850f4a1eded62d3047d2d6287f3591b88722a6439f405b47aabbd1a56c82e6d2c76d57c3e

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe
Filesize
1.5MB

MD5
b3f203a866605026b31927a449bd358d

SHA1
e7b76fb5329fd32f2a4c9ba7a967e0546b1a230f

SHA256
d9588f45156dda00608b8ca4bb1b6bdc270acce6ea58f63c0e3482aee8fff4d0

SHA512
108a820203ca697592dd63bf0570a06718e93d78b32f467978ba8b5850f4a1eded62d3047d2d6287f3591b88722a6439f405b47aabbd1a56c82e6d2c76d57c3e

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe
Filesize
1.5MB

MD5
b3f203a866605026b31927a449bd358d

SHA1
e7b76fb5329fd32f2a4c9ba7a967e0546b1a230f

SHA256
d9588f45156dda00608b8ca4bb1b6bdc270acce6ea58f63c0e3482aee8fff4d0

SHA512
108a820203ca697592dd63bf0570a06718e93d78b32f467978ba8b5850f4a1eded62d3047d2d6287f3591b88722a6439f405b47aabbd1a56c82e6d2c76d57c3e

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe
Filesize
1.5MB

MD5
b3f203a866605026b31927a449bd358d

SHA1
e7b76fb5329fd32f2a4c9ba7a967e0546b1a230f

SHA256
d9588f45156dda00608b8ca4bb1b6bdc270acce6ea58f63c0e3482aee8fff4d0

SHA512
108a820203ca697592dd63bf0570a06718e93d78b32f467978ba8b5850f4a1eded62d3047d2d6287f3591b88722a6439f405b47aabbd1a56c82e6d2c76d57c3e

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe
Filesize
1.5MB

MD5
b3f203a866605026b31927a449bd358d

SHA1
e7b76fb5329fd32f2a4c9ba7a967e0546b1a230f

SHA256
d9588f45156dda00608b8ca4bb1b6bdc270acce6ea58f63c0e3482aee8fff4d0

SHA512
108a820203ca697592dd63bf0570a06718e93d78b32f467978ba8b5850f4a1eded62d3047d2d6287f3591b88722a6439f405b47aabbd1a56c82e6d2c76d57c3e

Download Submit
\Users\Admin\AppData\Roaming\test\test.exe
Filesize
1.5MB

MD5
b3f203a866605026b31927a449bd358d

SHA1
e7b76fb5329fd32f2a4c9ba7a967e0546b1a230f

SHA256
d9588f45156dda00608b8ca4bb1b6bdc270acce6ea58f63c0e3482aee8fff4d0

SHA512
108a820203ca697592dd63bf0570a06718e93d78b32f467978ba8b5850f4a1eded62d3047d2d6287f3591b88722a6439f405b47aabbd1a56c82e6d2c76d57c3e

Download Submit
memory/760-86-0x0000000000000000-mapping.dmp

Download
memory/872-73-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/872-65-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/872-72-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/872-66-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/872-76-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/872-77-0x0000000075CE1000-0x0000000075CE3000-memory.dmp

Filesize
8KB

Download
memory/872-68-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/872-69-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/872-70-0x00000000004085D0-mapping.dmp

Download
memory/940-105-0x00000000004085D0-mapping.dmp

Download
memory/1260-54-0x0000000000400000-0x000000000054B000-memory.dmp

Filesize
1.3MB

Download
memory/1260-62-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1260-57-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1260-63-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1260-58-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1260-64-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1260-61-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1260-60-0x0000000000401000-0x0000000000546000-memory.dmp

Filesize
1.3MB

Download
memory/1320-114-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1320-107-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1320-109-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1320-113-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1320-117-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1320-115-0x00000000004B5640-mapping.dmp

Download
memory/1320-120-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1320-121-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

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memory/1320-122-0x0000000000400000-0x00000000004B7000-memory.dmp

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732KB

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memory/1948-80-0x0000000000000000-mapping.dmp

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memory/2004-78-0x0000000000000000-mapping.dmp

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