asyncrat | 4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead

General

Target

4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe
Size

12.0MB
MD5

c8857b41ea3e02902a5a41de9237c0bd
SHA1

ad6e59e0331f0f5676f1a113e33fe63afe81de57
SHA256

4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead
SHA512

6dbb9548caf65a5d4c16d77e713a2f4a9983cbad93c896443eb4a351052eae0efc4483103af040a45ede8395c1603a1a33cd74295a4e962eabc907cc3ed959ca
SSDEEP

12288:m86gzba4ce2D5BAwo0NLtE6T11wm9ZLXs/0bu529CnY:NEcQLtE6Tpns/0yz

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

mehdoganmin70.duckdns.org:6606

mehdoganmin70.duckdns.org:7707

mehdoganmin70.duckdns.org:8808

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.
rat asyncrat

Async RAT payload 6 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/888-63-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/888-64-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/888-65-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/888-66-0x000000000040C73E-mapping.dmp	asyncrat
behavioral1/memory/888-70-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/888-68-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe

description	pid	process	target process
PID 1400 set thread context of 888	1400	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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

896 schtasks.exe

pid	process
896	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe

pid	process
1400	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe
1400	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe

description pid process

Token: SeDebugPrivilege 1400 4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe

description	pid	process
Token: SeDebugPrivilege	1400	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe

description	pid	process	target process
PID 1400 wrote to memory of 896	1400	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe	schtasks.exe
PID 1400 wrote to memory of 896	1400	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe	schtasks.exe
PID 1400 wrote to memory of 896	1400	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe	schtasks.exe
PID 1400 wrote to memory of 896	1400	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe	schtasks.exe
PID 1400 wrote to memory of 888	1400	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe
PID 1400 wrote to memory of 888	1400	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe
PID 1400 wrote to memory of 888	1400	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe
PID 1400 wrote to memory of 888	1400	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe
PID 1400 wrote to memory of 888	1400	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe
PID 1400 wrote to memory of 888	1400	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe
PID 1400 wrote to memory of 888	1400	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe
PID 1400 wrote to memory of 888	1400	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe
PID 1400 wrote to memory of 888	1400	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe	4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe

C:\Users\Admin\AppData\Local\Temp\4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe
"C:\Users\Admin\AppData\Local\Temp\4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1400

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\INaoFrcvAkB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp87D6.tmp"
2⤵
- Creates scheduled task(s)
PID:896

C:\Users\Admin\AppData\Local\Temp\4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe
"C:\Users\Admin\AppData\Local\Temp\4bfbaa3171e1551dca35344279912a70ffa7ea53e4d63d7d00402d1ef377dead.exe"
2⤵
PID:888

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp87D6.tmp
Filesize
1KB

MD5
edd75546fb5b0d2c353ad25427dc2704

SHA1
06106a9e76b79e0f7a0eae179d2dd3a1c8d73381

SHA256
88595e68b28934337972b00949069fe82e813ccb97ac3c81d67e383951a0d90e

SHA512
6b143a3ad6e569fc2af0267eb5d628565b169a5df78c2ef4013c2b468ef58bf31e9d393c05a099ae795135a4ab429ab4803351b27aae1b2066967c5d482e63c8

Download Submit
memory/888-64-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/888-60-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/888-61-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/888-63-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/888-65-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/888-66-0x000000000040C73E-mapping.dmp

Download
memory/888-70-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/888-68-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/896-58-0x0000000000000000-mapping.dmp

Download
memory/1400-56-0x0000000000300000-0x000000000030A000-memory.dmp

Filesize
40KB

Download
memory/1400-57-0x0000000004A70000-0x0000000004AB0000-memory.dmp

Filesize
256KB

Download
memory/1400-55-0x00000000764C1000-0x00000000764C3000-memory.dmp

Filesize
8KB

Download
memory/1400-54-0x0000000001230000-0x00000000012D2000-memory.dmp

Filesize
648KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads