asyncrat | 46bdfb06a8c272dff04b4eeebba3fffd7849193c8a0ce13c2dc7b3a16b26a1a9

General

Target

SVD002837727.exe
Size

653KB
MD5

98606a9e2540ba34e1c98760900ac508
SHA1

9918ca6bf5c9b1ccc1206724514d56a41d7adeb1
SHA256

46bdfb06a8c272dff04b4eeebba3fffd7849193c8a0ce13c2dc7b3a16b26a1a9
SHA512

86cedacb5f46baa0d899573f44b67ed659e57f8c4a397992e745365c29099de4262c98f5678d54c66018264958c7821380c185905ffedf83208f1f48859e3829
SSDEEP

12288:LZyvbhaDnLMzIL2q+RTdOL8lUzKlXt0nKXRa99uk1UFDuhZCQUKOWkZJJXv/LiQg:GOyqGUL8lV3nXRwuSqQJI

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

reportss.duckdns.org:3110

reportss.duckdns.org:4466

reportss.duckdns.org:7755

Mutex

AsyncMutex_6SI8OkPnk

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

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2312-148-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

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:

SVD002837727.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	SVD002837727.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SVD002837727.exe

description pid process target process

PID 2352 set thread context of 2312 2352 SVD002837727.exe SVD002837727.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1936 schtasks.exe

description	pid	process	target process
PID 2352 set thread context of 2312	2352	SVD002837727.exe	SVD002837727.exe

pid	process
1936	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

SVD002837727.exepowershell.exe

pid	process
2352	SVD002837727.exe
2352	SVD002837727.exe
2352	SVD002837727.exe
2352	SVD002837727.exe
2352	SVD002837727.exe
2352	SVD002837727.exe
2352	SVD002837727.exe
2352	SVD002837727.exe
2352	SVD002837727.exe
3928	powershell.exe
3928	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SVD002837727.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2352 SVD002837727.exe
Token: SeDebugPrivilege 3928 powershell.exe

description	pid	process
Token: SeDebugPrivilege	2352	SVD002837727.exe
Token: SeDebugPrivilege	3928	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

SVD002837727.exe

description	pid	process	target process
PID 2352 wrote to memory of 3928	2352	SVD002837727.exe	powershell.exe
PID 2352 wrote to memory of 3928	2352	SVD002837727.exe	powershell.exe
PID 2352 wrote to memory of 3928	2352	SVD002837727.exe	powershell.exe
PID 2352 wrote to memory of 1936	2352	SVD002837727.exe	schtasks.exe
PID 2352 wrote to memory of 1936	2352	SVD002837727.exe	schtasks.exe
PID 2352 wrote to memory of 1936	2352	SVD002837727.exe	schtasks.exe
PID 2352 wrote to memory of 2896	2352	SVD002837727.exe	SVD002837727.exe
PID 2352 wrote to memory of 2896	2352	SVD002837727.exe	SVD002837727.exe
PID 2352 wrote to memory of 2896	2352	SVD002837727.exe	SVD002837727.exe
PID 2352 wrote to memory of 2312	2352	SVD002837727.exe	SVD002837727.exe
PID 2352 wrote to memory of 2312	2352	SVD002837727.exe	SVD002837727.exe
PID 2352 wrote to memory of 2312	2352	SVD002837727.exe	SVD002837727.exe
PID 2352 wrote to memory of 2312	2352	SVD002837727.exe	SVD002837727.exe
PID 2352 wrote to memory of 2312	2352	SVD002837727.exe	SVD002837727.exe
PID 2352 wrote to memory of 2312	2352	SVD002837727.exe	SVD002837727.exe
PID 2352 wrote to memory of 2312	2352	SVD002837727.exe	SVD002837727.exe
PID 2352 wrote to memory of 2312	2352	SVD002837727.exe	SVD002837727.exe

C:\Users\Admin\AppData\Local\Temp\SVD002837727.exe
"C:\Users\Admin\AppData\Local\Temp\SVD002837727.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2352

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JxXPhhSexdm.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3928

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JxXPhhSexdm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp47F6.tmp"
2⤵
- Creates scheduled task(s)
PID:1936

C:\Users\Admin\AppData\Local\Temp\SVD002837727.exe
"C:\Users\Admin\AppData\Local\Temp\SVD002837727.exe"
2⤵
PID:2896

C:\Users\Admin\AppData\Local\Temp\SVD002837727.exe
"C:\Users\Admin\AppData\Local\Temp\SVD002837727.exe"
2⤵
PID:2312

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SVD002837727.exe.log
Filesize
1KB

MD5
33d62ef2c354f839a8b2b987e6ee41e7

SHA1
d76f64ac411a61f3f232f7f9f7b179bd34042226

SHA256
f6a84062cb11ccf802324692c2c4c48543377cf717d98efd5de695ed6d0a97d9

SHA512
d68a426b2f4646bb45e2267d60680166a8effb9a461e5a07756ba13a3bdf36b27e6e9777d945d03a62362e6976e92214c53ffc7c4f03ec28d3fcfc9a442c5e3c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gzxvngxz.lqw.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp47F6.tmp
Filesize
1KB

MD5
0ecf37eafc25fbfcbbd86f08ac52570c

SHA1
cca0b6219e37d0e32cda59d75474011922b0d554

SHA256
460e050398b400dc0bcb4bdfd456ec78afae0af100ff633587d068f29d6ada49

SHA512
f8e31b829dc45a515e1ab98d081a09883063c8ec387c9b12fc12e587fddee1b1a9cdc77b10bdf1cae3d6486a685b2265175e726768c107c1eea8dd4e21381123

Download Submit
memory/2312-189-0x00000000055D0000-0x00000000055E0000-memory.dmp

Filesize
64KB

Download
memory/2312-148-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2312-182-0x00000000055D0000-0x00000000055E0000-memory.dmp

Filesize
64KB

Download
memory/2352-136-0x0000000004E20000-0x0000000004E30000-memory.dmp

Filesize
64KB

Download
memory/2352-139-0x0000000006A70000-0x0000000006B0C000-memory.dmp

Filesize
624KB

Download
memory/2352-138-0x0000000004E20000-0x0000000004E30000-memory.dmp

Filesize
64KB

Download
memory/2352-137-0x0000000004EA0000-0x0000000004EAA000-memory.dmp

Filesize
40KB

Download
memory/2352-133-0x0000000000430000-0x00000000004D8000-memory.dmp

Filesize
672KB

Download
memory/2352-135-0x0000000004F20000-0x0000000004FB2000-memory.dmp

Filesize
584KB

Download
memory/2352-134-0x0000000005430000-0x00000000059D4000-memory.dmp

Filesize
5.6MB

Download
memory/3928-158-0x00000000058A0000-0x0000000005906000-memory.dmp

Filesize
408KB

Download
memory/3928-177-0x0000000004C30000-0x0000000004C40000-memory.dmp

Filesize
64KB

Download
memory/3928-149-0x0000000005270000-0x0000000005898000-memory.dmp

Filesize
6.2MB

Download
memory/3928-147-0x0000000004C30000-0x0000000004C40000-memory.dmp

Filesize
64KB

Download
memory/3928-159-0x00000000059C0000-0x0000000005A26000-memory.dmp

Filesize
408KB

Download
memory/3928-164-0x0000000006010000-0x000000000602E000-memory.dmp

Filesize
120KB

Download
memory/3928-165-0x00000000071F0000-0x0000000007222000-memory.dmp

Filesize
200KB

Download
memory/3928-166-0x0000000071110000-0x000000007115C000-memory.dmp

Filesize
304KB

Download
memory/3928-176-0x00000000065D0000-0x00000000065EE000-memory.dmp

Filesize
120KB

Download
memory/3928-152-0x0000000005190000-0x00000000051B2000-memory.dmp

Filesize
136KB

Download
memory/3928-178-0x000000007FC10000-0x000000007FC20000-memory.dmp

Filesize
64KB

Download
memory/3928-179-0x0000000007960000-0x0000000007FDA000-memory.dmp

Filesize
6.5MB

Download
memory/3928-180-0x0000000007320000-0x000000000733A000-memory.dmp

Filesize
104KB

Download
memory/3928-181-0x0000000007390000-0x000000000739A000-memory.dmp

Filesize
40KB

Download
memory/3928-183-0x00000000075A0000-0x0000000007636000-memory.dmp

Filesize
600KB

Download
memory/3928-146-0x0000000004C30000-0x0000000004C40000-memory.dmp

Filesize
64KB

Download
memory/3928-184-0x0000000007550000-0x000000000755E000-memory.dmp

Filesize
56KB

Download
memory/3928-185-0x0000000007660000-0x000000000767A000-memory.dmp

Filesize
104KB

Download
memory/3928-186-0x0000000007640000-0x0000000007648000-memory.dmp

Filesize
32KB

Download
memory/3928-144-0x00000000026F0000-0x0000000002726000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads