asyncrat | 9410861cbe8204310017cdec72056d49f8effbe26961cc6cb73fee37c731e0a0

Analysis

max time kernel
140s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
25-05-2024 13:51

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General

Target

MartDrum.exe
Size

904KB
MD5

1e4352c43b8c5a6b5a10dd0ace9a57a4
SHA1

6d4f220bdfee34df0b3b9d8a829dd423fab5abdf
SHA256

9410861cbe8204310017cdec72056d49f8effbe26961cc6cb73fee37c731e0a0
SHA512

ac96916f4c42acbf8be07d814dbc15e04c50e3874888ebdb3d762f74fcac58e4e100da68a34d78da12403ee09f3bf59c681bf3fa258de8e39e1038b5fc42e7a9
SSDEEP

12288:Fy3S2m4omcLCRdCPiofcsdS3c2qRWi2kx6RAaiPjMoxIlDhI4HPlRoQ9RT9tQ6DP:FyhM1LAdCKo0s6xrkxJxjDIldBHdRvfb

Score

10^/10

asyncrat load_man rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

Botnet

Load_Man

leetman.dynuddns.com:1337

Mutex

AsyncMutex_6SI8asdasd2casOkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Suspicious use of NtCreateUserProcessOtherParentProcess 3 IoCs

Processes:

Fighting.pif

description	pid	process	target process
PID 2848 created 3372	2848	Fighting.pif	Explorer.EXE
PID 2848 created 3372	2848	Fighting.pif	Explorer.EXE
PID 2848 created 3372	2848	Fighting.pif	Explorer.EXE

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MartDrum.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	MartDrum.exe

Drops startup file 2 IoCs

Processes:

cmd.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PoseidonSense.url	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PoseidonSense.url	cmd.exe

Executes dropped EXE 3 IoCs

Processes:

Fighting.pifjsc.exejsc.exe

pid process

2848 Fighting.pif
1088 jsc.exe
220 jsc.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Enumerates processes with tasklist 1 TTPs 2 IoCs

Process Discovery
T1057

Processes:

tasklist.exetasklist.exe

pid process

1964 tasklist.exe
1880 tasklist.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

3232 PING.EXE

pid	process
1964	tasklist.exe
1880	tasklist.exe

pid	process
3232	PING.EXE

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

Fighting.pifjsc.exe

pid	process
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
2848	Fighting.pif
220	jsc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

tasklist.exetasklist.exejsc.exe

description pid process

Token: SeDebugPrivilege 1964 tasklist.exe
Token: SeDebugPrivilege 1880 tasklist.exe
Token: SeDebugPrivilege 220 jsc.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

Fighting.pif

pid process

2848 Fighting.pif
2848 Fighting.pif
2848 Fighting.pif
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

Fighting.pif

pid process

2848 Fighting.pif
2848 Fighting.pif
2848 Fighting.pif
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

jsc.exe

pid process

220 jsc.exe

description	pid	process
Token: SeDebugPrivilege	1964	tasklist.exe
Token: SeDebugPrivilege	1880	tasklist.exe
Token: SeDebugPrivilege	220	jsc.exe

pid	process
220	jsc.exe

Suspicious use of WriteProcessMemory 44 IoCs

Processes:

MartDrum.execmd.execmd.exeFighting.pif

description	pid	process	target process
PID 4704 wrote to memory of 4840	4704	MartDrum.exe	cmd.exe
PID 4704 wrote to memory of 4840	4704	MartDrum.exe	cmd.exe
PID 4704 wrote to memory of 4840	4704	MartDrum.exe	cmd.exe
PID 4840 wrote to memory of 4856	4840	cmd.exe	cmd.exe
PID 4840 wrote to memory of 4856	4840	cmd.exe	cmd.exe
PID 4840 wrote to memory of 4856	4840	cmd.exe	cmd.exe
PID 4856 wrote to memory of 1964	4856	cmd.exe	tasklist.exe
PID 4856 wrote to memory of 1964	4856	cmd.exe	tasklist.exe
PID 4856 wrote to memory of 1964	4856	cmd.exe	tasklist.exe
PID 4856 wrote to memory of 2624	4856	cmd.exe	findstr.exe
PID 4856 wrote to memory of 2624	4856	cmd.exe	findstr.exe
PID 4856 wrote to memory of 2624	4856	cmd.exe	findstr.exe
PID 4856 wrote to memory of 1880	4856	cmd.exe	tasklist.exe
PID 4856 wrote to memory of 1880	4856	cmd.exe	tasklist.exe
PID 4856 wrote to memory of 1880	4856	cmd.exe	tasklist.exe
PID 4856 wrote to memory of 3616	4856	cmd.exe	findstr.exe
PID 4856 wrote to memory of 3616	4856	cmd.exe	findstr.exe
PID 4856 wrote to memory of 3616	4856	cmd.exe	findstr.exe
PID 4856 wrote to memory of 4472	4856	cmd.exe	cmd.exe
PID 4856 wrote to memory of 4472	4856	cmd.exe	cmd.exe
PID 4856 wrote to memory of 4472	4856	cmd.exe	cmd.exe
PID 4856 wrote to memory of 4720	4856	cmd.exe	cmd.exe
PID 4856 wrote to memory of 4720	4856	cmd.exe	cmd.exe
PID 4856 wrote to memory of 4720	4856	cmd.exe	cmd.exe
PID 4856 wrote to memory of 2956	4856	cmd.exe	cmd.exe
PID 4856 wrote to memory of 2956	4856	cmd.exe	cmd.exe
PID 4856 wrote to memory of 2956	4856	cmd.exe	cmd.exe
PID 4856 wrote to memory of 2848	4856	cmd.exe	Fighting.pif
PID 4856 wrote to memory of 2848	4856	cmd.exe	Fighting.pif
PID 4856 wrote to memory of 2848	4856	cmd.exe	Fighting.pif
PID 4856 wrote to memory of 3232	4856	cmd.exe	PING.EXE
PID 4856 wrote to memory of 3232	4856	cmd.exe	PING.EXE
PID 4856 wrote to memory of 3232	4856	cmd.exe	PING.EXE
PID 2848 wrote to memory of 3688	2848	Fighting.pif	cmd.exe
PID 2848 wrote to memory of 3688	2848	Fighting.pif	cmd.exe
PID 2848 wrote to memory of 3688	2848	Fighting.pif	cmd.exe
PID 2848 wrote to memory of 1088	2848	Fighting.pif	jsc.exe
PID 2848 wrote to memory of 1088	2848	Fighting.pif	jsc.exe
PID 2848 wrote to memory of 1088	2848	Fighting.pif	jsc.exe
PID 2848 wrote to memory of 220	2848	Fighting.pif	jsc.exe
PID 2848 wrote to memory of 220	2848	Fighting.pif	jsc.exe
PID 2848 wrote to memory of 220	2848	Fighting.pif	jsc.exe
PID 2848 wrote to memory of 220	2848	Fighting.pif	jsc.exe
PID 2848 wrote to memory of 220	2848	Fighting.pif	jsc.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3372
- C:\Users\Admin\AppData\Local\Temp\MartDrum.exe
  "C:\Users\Admin\AppData\Local\Temp\MartDrum.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:4704
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k cmd < Tunisia & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4840
  - - C:\Windows\SysWOW64\cmd.exe
      cmd
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4856
    - - C:\Windows\SysWOW64\tasklist.exe
        
        tasklist
        5⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:1964
    - - C:\Windows\SysWOW64\findstr.exe
        
        findstr /I "avastui.exe avgui.exe nswscsvc.exe sophoshealth.exe"
        5⤵
        
        PID:2624
    - - C:\Windows\SysWOW64\tasklist.exe
        
        tasklist
        5⤵
        Enumerates processes with tasklist
        Suspicious use of AdjustPrivilegeToken
        
        PID:1880
    - - C:\Windows\SysWOW64\findstr.exe
        
        findstr /I "wrsa.exe"
        5⤵
        
        PID:3616
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c mkdir 22341
        5⤵
        
        PID:4472
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c copy /b Cock + Enhance + Forest + Grocery + Mall 22341\Fighting.pif
        5⤵
        
        PID:4720
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c copy /b Amd + Backed 22341\Q
        5⤵
        
        PID:2956
    - - C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\22341\Fighting.pif
        
        22341\Fighting.pif 22341\Q
        5⤵
        Suspicious use of NtCreateUserProcessOtherParentProcess
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of FindShellTrayWindow
        Suspicious use of SendNotifyMessage
        Suspicious use of WriteProcessMemory
        
        PID:2848
    - - C:\Windows\SysWOW64\PING.EXE
        
        ping -n 5 localhost
        5⤵
        Runs ping.exe
        
        PID:3232
- C:\Windows\SysWOW64\cmd.exe
  cmd /k echo [InternetShortcut] > "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PoseidonSense.url" & echo URL="C:\Users\Admin\AppData\Local\GreenTech Innovations\PoseidonSense.js" >> "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PoseidonSense.url" & exit
  2⤵
  - Drops startup file
  PID:3688
- C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\22341\jsc.exe
  C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\22341\jsc.exe
  2⤵
  - Executes dropped EXE
  PID:1088
- C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\22341\jsc.exe
  C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\22341\jsc.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Process Discovery

T1057

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\22341\Fighting.pif

Filesize
924KB

MD5
848164d084384c49937f99d5b894253e

SHA1
3055ef803eeec4f175ebf120f94125717ee12444

SHA256
f58d3a4b2f3f7f10815c24586fae91964eeed830369e7e0701b43895b0cefbd3

SHA512
aabe1cf076f48f32542f49a92e4ca9f054b31d5a9949119991b897b9489fe775d8009896408ba49ac43ec431c87c0d385daead9dbbde7ef6309b0c97bbaf852a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\22341\Q

Filesize
523KB

MD5
c6d3af61f6a8b9e9cc3c0997243cbc8d

SHA1
e99aa1b98ab1baeeb82365fd6f76e99d0417f67b

SHA256
4e6c63fe5b8faa26ddc90f7183bac516ff42d7148d7ba8cdcfd816b37ea340e2

SHA512
08f9b3b6925c7da20bdd870d6c3de1ac4df680f43b8bf19e4a03d5a240b435d396918ea206a54668952a41fc25466606f18ab2972f4c4ca17083b13680933138

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\22341\jsc.exe

Filesize
46KB

MD5
94c8e57a80dfca2482dedb87b93d4fd9

SHA1
5729e6c7d2f5ab760f0093b9d44f8ac0f876a803

SHA256
39e87f0edcdd15582cfefdfab1975aadd2c7ca1e3a5f07b1146ce3206f401bb5

SHA512
1798a3607b2b94732b52de51d2748c86f9453343b6d8a417e98e65ddb38e9198cdcb2f45bf60823cb429b312466b28c5103c7588f2c4ef69fa27bfdb4f4c67dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Amd

Filesize
461KB

MD5
3bfbfcf6dde8162276981a6c818526fc

SHA1
2359fc484c7ff2e40d2b0e5a58abafc39a2f534f

SHA256
48a39ed8fcac7eea85635bff545ea72b9bb741a33affc3cfdc1d9513ad466d9b

SHA512
68962d58896c6971a1c6411121a1c9723b511096828576c7b3333d4eec7d248bb11585964811219f436e599c52d4c13fa992e2fc369c82f1eb7c8f628a0e0adf

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Backed

Filesize
62KB

MD5
bc332c8625f154764139eebc5543d265

SHA1
2114287c7d17b25b6cb18250dca0ad1d3be1badf

SHA256
4052bb73dc0b19224a815c89ba44728868ff3d7ccd4ba888c5a3deeeea1ba75c

SHA512
367f4ad92cd1aee6d76aed2d1cb670c3a059bc826eae30632f8db5754ce32677248d705bb3cd61dfb1db56c781b73bf0f7728c345d808c9a839a7360fabc64d6

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Cock

Filesize
245KB

MD5
3250d6f3cef2fa42d8144d7300c94a9a

SHA1
fb41f4b16da0c326d4f994fd69a95148740db16c

SHA256
4b4fa7e6aa4e413577040eed27ab1b8295e0f019ca4007dedf5d131bacb8c86a

SHA512
b19361ae089fe0fff1e0f6ef995ed9fdb76c08df329ee95cf6845a61362027e18378bf4951a67e55c7da13a3f184d3b613a91ac0d7f613163523a4ea1da63c21

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Enhance

Filesize
129KB

MD5
2eaf3dde860d1fa5cb576a067d88e0c9

SHA1
f731f073975e880445e63ab7130b9d6b35e030e4

SHA256
9d0a82b1d0302bd357ada65073f63b79bcffacfd687941fb66b879e51dbc7e6f

SHA512
cc230393bc0b8256b5132882eaa53c8e749b74b5bcf4aec2f3cb6c6f417433da24ac54744d825dff14993cd0ccc17c4d76e128b3e76597809e11aaebfb795df0

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Forest

Filesize
215KB

MD5
cbd44c7f5d1ffca6b785ac5610c584a2

SHA1
0d3c42631251b1256c61f2b499ff2dcee141955a

SHA256
b691b133ac132727cc615e39d09e7db00e179ffcfe4b7939de169042ce3b8a5c

SHA512
246d9d66564d10e80958d1a6796e4d8ee28549f9d8b0a161ee929d7b9d3a740a0befcd81efc8d20092ff2fb802c50e9581a7e290988550931a5341c1a1545c67

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Grocery

Filesize
154KB

MD5
7a10d8c21d509285032ccc39be8ca70a

SHA1
c94f9e1239f669a720f05712a536d443dcfb87d6

SHA256
7a4f7c61b90f5e0c6467eef51446cbccaf8e410117f4ec2dad6b400cdc3be9ee

SHA512
eda1f6a3b085801c3f55a622612bb1a9260477c435fa68ab8c9e6b77316dabac2a17d574422990282ac699eac9275b92d5051fee902fefe243ff22e8a0e42c55

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Mall

Filesize
181KB

MD5
cc937c80427292e3f084280877637c6c

SHA1
e5e958447df0e571f194848d9c570ea9568f9665

SHA256
64402cf5b891e266e8736340b70202796110ff53a0bc63034434b8feef1c3eb4

SHA512
8b70a42aaa091f0ce1694052504e53f8db4d02a7290c251b33373dfab4a8fa334e05226755ec7bd96594f9ace60e3625e8481a2dc34c9e410b11b55958691a93

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Tunisia

Filesize
12KB

MD5
89d7b6fab91c718d1eb98295746b0e0e

SHA1
12933edc9d0d0812f7eb6240468a5ba03d92ceb4

SHA256
f593d273036a2db89a963774319942d27d7de6718033988297b5220e4566037b

SHA512
41d036fa81ebf2680c24bc240e40b62a5008b1a5daaac714e3bd86bc4784e54719c4cbd0377aa984e08db0fbab8e1db84b86b7f257df3b50d505645f42b70046

Download Submit
memory/220-39-0x0000000001160000-0x0000000001176000-memory.dmp

Filesize
88KB

Download
memory/220-42-0x0000000005F30000-0x00000000064D4000-memory.dmp

Filesize
5.6MB

Download
memory/220-43-0x0000000005B60000-0x0000000005BF2000-memory.dmp

Filesize
584KB

Download
memory/220-44-0x0000000005B50000-0x0000000005B5A000-memory.dmp

Filesize
40KB

Download
memory/220-47-0x0000000007020000-0x00000000070BC000-memory.dmp

Filesize
624KB

Download
memory/220-48-0x0000000006950000-0x00000000069B6000-memory.dmp

Filesize
408KB

Download