darkcomet | 61b7e04d9d3a6cd1505f5451590728cd4be52bae18a372fff3d34df35d3731df

Analysis

max time kernel
102s
max time network
34s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 17:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Crypto Trading Bot.exe
Size

5.0MB
MD5

9580c6ee0ec3d08c29020c0dbff23cfa
SHA1

4f8ee5461fe1300e42bfb62747597ed6e339ff29
SHA256

8b06f2e6daad66479102faa65ba46b40d5cd6e3335cf3902971dcd753b37d347
SHA512

491aef0102cbd7d9816b79dac6673607119bc7778c0e1564dc5e60dea6ca265530771fe7855843126fe9322871d50e52aab210984951571468a90805f0bf2f79
SSDEEP

24576:57xgtwBETvT1r+gjhgMp6RZ+XI7vkb4u+yEZEWkc5wiOCjIlwfo915SQEtxZiQWT:36wwv5nh4RWIhltp67CMwfe1+tKSM5

Score

10^/10

darkcomet crypto bot persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Crypto Bot

estherr.no-ip.biz:5604

Mutex

DC_MUTEX-4P0JZTL

Attributes

gencode
x1lNFj9h0ysn
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

Crypto Trading Bot.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Windows\\Windows.exe"	Crypto Trading Bot.exe

Executes dropped EXE 1 IoCs

Processes:

notepad .exe

pid process

844 notepad .exe
Loads dropped DLL 6 IoCs

Processes:

Crypto Trading Bot.exeWerFault.exe

pid process

1720 Crypto Trading Bot.exe
1524 WerFault.exe
1524 WerFault.exe
1524 WerFault.exe
1524 WerFault.exe
1524 WerFault.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Crypto Trading Bot.exe

description pid process target process

PID 1720 set thread context of 844 1720 Crypto Trading Bot.exe notepad .exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1524 844 WerFault.exe notepad .exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Crypto Trading Bot.exe

pid process

1720 Crypto Trading Bot.exe
1720 Crypto Trading Bot.exe
1720 Crypto Trading Bot.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Crypto Trading Bot.exe

description pid process

Token: SeDebugPrivilege 1720 Crypto Trading Bot.exe

pid	process
844	notepad .exe

pid	process
1720	Crypto Trading Bot.exe
1524	WerFault.exe
1524	WerFault.exe
1524	WerFault.exe
1524	WerFault.exe
1524	WerFault.exe

description	pid	process	target process
PID 1720 set thread context of 844	1720	Crypto Trading Bot.exe	notepad .exe

pid	pid_target	process	target process
1524	844	WerFault.exe	notepad .exe

pid	process
1720	Crypto Trading Bot.exe
1720	Crypto Trading Bot.exe
1720	Crypto Trading Bot.exe

description	pid	process
Token: SeDebugPrivilege	1720	Crypto Trading Bot.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

Crypto Trading Bot.execmd.exenotepad .exe

description	pid	process	target process
PID 1720 wrote to memory of 852	1720	Crypto Trading Bot.exe	cmd.exe
PID 1720 wrote to memory of 852	1720	Crypto Trading Bot.exe	cmd.exe
PID 1720 wrote to memory of 852	1720	Crypto Trading Bot.exe	cmd.exe
PID 1720 wrote to memory of 852	1720	Crypto Trading Bot.exe	cmd.exe
PID 1720 wrote to memory of 844	1720	Crypto Trading Bot.exe	notepad .exe
PID 1720 wrote to memory of 844	1720	Crypto Trading Bot.exe	notepad .exe
PID 1720 wrote to memory of 844	1720	Crypto Trading Bot.exe	notepad .exe
PID 1720 wrote to memory of 844	1720	Crypto Trading Bot.exe	notepad .exe
PID 1720 wrote to memory of 844	1720	Crypto Trading Bot.exe	notepad .exe
PID 1720 wrote to memory of 844	1720	Crypto Trading Bot.exe	notepad .exe
PID 1720 wrote to memory of 844	1720	Crypto Trading Bot.exe	notepad .exe
PID 1720 wrote to memory of 844	1720	Crypto Trading Bot.exe	notepad .exe
PID 1720 wrote to memory of 844	1720	Crypto Trading Bot.exe	notepad .exe
PID 1720 wrote to memory of 844	1720	Crypto Trading Bot.exe	notepad .exe
PID 1720 wrote to memory of 844	1720	Crypto Trading Bot.exe	notepad .exe
PID 1720 wrote to memory of 844	1720	Crypto Trading Bot.exe	notepad .exe
PID 1720 wrote to memory of 844	1720	Crypto Trading Bot.exe	notepad .exe
PID 852 wrote to memory of 524	852	cmd.exe	wscript.exe
PID 852 wrote to memory of 524	852	cmd.exe	wscript.exe
PID 852 wrote to memory of 524	852	cmd.exe	wscript.exe
PID 852 wrote to memory of 524	852	cmd.exe	wscript.exe
PID 844 wrote to memory of 1524	844	notepad .exe	WerFault.exe
PID 844 wrote to memory of 1524	844	notepad .exe	WerFault.exe
PID 844 wrote to memory of 1524	844	notepad .exe	WerFault.exe
PID 844 wrote to memory of 1524	844	notepad .exe	WerFault.exe
PID 1720 wrote to memory of 1284	1720	Crypto Trading Bot.exe	cmd.exe
PID 1720 wrote to memory of 1284	1720	Crypto Trading Bot.exe	cmd.exe
PID 1720 wrote to memory of 1284	1720	Crypto Trading Bot.exe	cmd.exe
PID 1720 wrote to memory of 1284	1720	Crypto Trading Bot.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\Crypto Trading Bot.exe
"C:\Users\Admin\AppData\Local\Temp\Crypto Trading Bot.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1720

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Windows\mata.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\SysWOW64\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\Windows\invs.vbs" "C:\Users\Admin\AppData\Local\Temp\Windows\mata2.bat
3⤵
PID:524

C:\Users\Admin\AppData\Local\Temp\notepad .exe
"C:\Users\Admin\AppData\Local\Temp\notepad .exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 844 -s 36
3⤵
- Loads dropped DLL
- Program crash
PID:1524

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Windows\melt.bat
2⤵
PID:1284

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Windows\invs.vbs

Filesize
78B

MD5
c578d9653b22800c3eb6b6a51219bbb8

SHA1
a97aa251901bbe179a48dbc7a0c1872e163b1f2d

SHA256
20a98a7e6e137bb1b9bd5ef6911a479cb8eac925b80d6db4e70b19f62a40cce2

SHA512
3ae6dc8f02d1a78e1235a0782b632972da5a74ab32287cc41aa672d4fa4a9d34bb5fc50eba07b6915f2e61c402927cd5f6feeb7f7602afa2f64e91efb3b7fc4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Windows\mata.bat

Filesize
63B

MD5
260efbd339dd3b0ab091d66df5cd3a16

SHA1
69d4e59b4e8edc557ee9b9a351576ea61f3092cc

SHA256
1d87c3291eda5b1fd8f3ff3fccb7efde33955fea4487369dfa23132f63e3b969

SHA512
cad75d955bb4ca61a8d2a9f5fac0c0ddc8fe97d05ad12850b2734efadb237b5310d4264745972f8a78b3918a90e23fba8d540fd64791eac8c3be9a5e50042812

Download Submit
C:\Users\Admin\AppData\Local\Temp\notepad .exe

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
\Users\Admin\AppData\Local\Temp\notepad .exe

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
\Users\Admin\AppData\Local\Temp\notepad .exe

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
\Users\Admin\AppData\Local\Temp\notepad .exe

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
\Users\Admin\AppData\Local\Temp\notepad .exe

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
\Users\Admin\AppData\Local\Temp\notepad .exe

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
\Users\Admin\AppData\Local\Temp\notepad .exe

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
memory/524-78-0x0000000000000000-mapping.dmp

Download
memory/844-60-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/844-64-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/844-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/844-73-0x0000000000000000-mapping.dmp

Download
memory/844-75-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/844-66-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/844-59-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/844-62-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/844-68-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/844-69-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/852-56-0x0000000000000000-mapping.dmp

Download
memory/1284-86-0x0000000000000000-mapping.dmp

Download
memory/1524-79-0x0000000000000000-mapping.dmp

Download
memory/1720-54-0x0000000076161000-0x0000000076163000-memory.dmp

Filesize
8KB

Download
memory/1720-77-0x00000000747C0000-0x0000000074D6B000-memory.dmp

Filesize
5.7MB

Download
memory/1720-55-0x00000000747C0000-0x0000000074D6B000-memory.dmp

Filesize
5.7MB

Download
memory/1720-88-0x00000000747C0000-0x0000000074D6B000-memory.dmp

Filesize
5.7MB

Download