asyncrat | 9ab26f70c71a11a7182abf5439b217c15c64163226626e4d823a239194c1f97b

General

Target

raped.exe
Size

48KB
MD5

d404de59b492053bb4c7b214a56b2b09
SHA1

0107bea371f1075c60a1a366211bbb3f8d5aa224
SHA256

9ab26f70c71a11a7182abf5439b217c15c64163226626e4d823a239194c1f97b
SHA512

310dfb551d529d98305cb559c9135c36b647b7b8af0807107b870f4a12e8cfb6d918eb388c4a92503cbea6c40b4199bbb04a7926b60b7cbe28689192e16d1722
SSDEEP

768:MukzVT0kLd3WULgPdVmo2qDiOfrWHBaeqPI6FRCCwc00bG/O8NpLWOZigj+8Xq7e:MukzVT0Mq12FOXeT6R7w+bGVn0X8Xq7e

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
true
install_file
fucked.exe
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 6 IoCs

rat

resource	yara_rule
behavioral1/memory/1720-54-0x0000000000D10000-0x0000000000D22000-memory.dmp	asyncrat
behavioral1/files/0x000b0000000122dc-65.dat	asyncrat
behavioral1/files/0x000b0000000122dc-66.dat	asyncrat
behavioral1/files/0x000b0000000122dc-67.dat	asyncrat
behavioral1/memory/1768-68-0x00000000000E0000-0x00000000000F2000-memory.dmp	asyncrat
behavioral1/memory/1768-69-0x0000000004E00000-0x0000000004E40000-memory.dmp	asyncrat

Executes dropped EXE 1 IoCs

pid	Process
1768	fucked.exe

Loads dropped DLL 1 IoCs

pid	Process
588	cmd.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

pid	Process
1692	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1272	timeout.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1720	raped.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1720	raped.exe
Token: SeDebugPrivilege	1768	fucked.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 432	1720	raped.exe	28
PID 1720 wrote to memory of 432	1720	raped.exe	28
PID 1720 wrote to memory of 432	1720	raped.exe	28
PID 1720 wrote to memory of 432	1720	raped.exe	28
PID 1720 wrote to memory of 588	1720	raped.exe	30
PID 1720 wrote to memory of 588	1720	raped.exe	30
PID 1720 wrote to memory of 588	1720	raped.exe	30
PID 1720 wrote to memory of 588	1720	raped.exe	30
PID 432 wrote to memory of 1692	432	cmd.exe	32
PID 432 wrote to memory of 1692	432	cmd.exe	32
PID 432 wrote to memory of 1692	432	cmd.exe	32
PID 432 wrote to memory of 1692	432	cmd.exe	32
PID 588 wrote to memory of 1272	588	cmd.exe	33
PID 588 wrote to memory of 1272	588	cmd.exe	33
PID 588 wrote to memory of 1272	588	cmd.exe	33
PID 588 wrote to memory of 1272	588	cmd.exe	33
PID 588 wrote to memory of 1768	588	cmd.exe	34
PID 588 wrote to memory of 1768	588	cmd.exe	34
PID 588 wrote to memory of 1768	588	cmd.exe	34
PID 588 wrote to memory of 1768	588	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\raped.exe
"C:\Users\Admin\AppData\Local\Temp\raped.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "fucked" /tr '"C:\Users\Admin\AppData\Roaming\fucked.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:432
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "fucked" /tr '"C:\Users\Admin\AppData\Roaming\fucked.exe"'
    3⤵
    - Creates scheduled task(s)
    PID:1692
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp4E9E.tmp.bat""
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:588
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:1272
- - C:\Users\Admin\AppData\Roaming\fucked.exe
    "C:\Users\Admin\AppData\Roaming\fucked.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:1768

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4E9E.tmp.bat

Filesize
150B

MD5
f18c8d7574eb103498dfc7ed6971115f

SHA1
ac12de89b623b0e8c8f03f51e5708b7539eeab1c

SHA256
9c497a1addf771160a17b378224f64b9182ba3b5466dbfd166650833fedfb001

SHA512
46370f3d291730f670623be8b16cf677215699febe19a37ac9d38c4abe1f848c737ea5c44e22bb3220c255e7ea8b7adf5f89d0f7de49b85851b1b04a72c38c74

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4E9E.tmp.bat

Filesize
150B

MD5
f18c8d7574eb103498dfc7ed6971115f

SHA1
ac12de89b623b0e8c8f03f51e5708b7539eeab1c

SHA256
9c497a1addf771160a17b378224f64b9182ba3b5466dbfd166650833fedfb001

SHA512
46370f3d291730f670623be8b16cf677215699febe19a37ac9d38c4abe1f848c737ea5c44e22bb3220c255e7ea8b7adf5f89d0f7de49b85851b1b04a72c38c74

Download Submit
C:\Users\Admin\AppData\Roaming\fucked.exe

Filesize
48KB

MD5
d404de59b492053bb4c7b214a56b2b09

SHA1
0107bea371f1075c60a1a366211bbb3f8d5aa224

SHA256
9ab26f70c71a11a7182abf5439b217c15c64163226626e4d823a239194c1f97b

SHA512
310dfb551d529d98305cb559c9135c36b647b7b8af0807107b870f4a12e8cfb6d918eb388c4a92503cbea6c40b4199bbb04a7926b60b7cbe28689192e16d1722

Download Submit
C:\Users\Admin\AppData\Roaming\fucked.exe

Filesize
48KB

MD5
d404de59b492053bb4c7b214a56b2b09

SHA1
0107bea371f1075c60a1a366211bbb3f8d5aa224

SHA256
9ab26f70c71a11a7182abf5439b217c15c64163226626e4d823a239194c1f97b

SHA512
310dfb551d529d98305cb559c9135c36b647b7b8af0807107b870f4a12e8cfb6d918eb388c4a92503cbea6c40b4199bbb04a7926b60b7cbe28689192e16d1722

Download Submit
\Users\Admin\AppData\Roaming\fucked.exe

Filesize
48KB

MD5
d404de59b492053bb4c7b214a56b2b09

SHA1
0107bea371f1075c60a1a366211bbb3f8d5aa224

SHA256
9ab26f70c71a11a7182abf5439b217c15c64163226626e4d823a239194c1f97b

SHA512
310dfb551d529d98305cb559c9135c36b647b7b8af0807107b870f4a12e8cfb6d918eb388c4a92503cbea6c40b4199bbb04a7926b60b7cbe28689192e16d1722

Download Submit
memory/1720-54-0x0000000000D10000-0x0000000000D22000-memory.dmp

Filesize
72KB

Download
memory/1720-55-0x0000000004C00000-0x0000000004C40000-memory.dmp

Filesize
256KB

Download
memory/1768-68-0x00000000000E0000-0x00000000000F2000-memory.dmp

Filesize
72KB

Download
memory/1768-69-0x0000000004E00000-0x0000000004E40000-memory.dmp

Filesize
256KB

Download
memory/1768-70-0x0000000004E00000-0x0000000004E40000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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