asyncrat | 8013f920a224f6e3af1563d04210866aef0b22c145d827274befc3b4b17cecf8

Analysis

max time kernel
139s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
08-07-2024 17:22

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General

Target

2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe
Size

475KB
MD5

2d3046668e4316eb38dfa44dd953a486
SHA1

deb76018ba4d8c1f700486804c383901923fe80c
SHA256

8013f920a224f6e3af1563d04210866aef0b22c145d827274befc3b4b17cecf8
SHA512

47fb64623c8a3488d5387edc5843a5f193a55d3310a4902bf45dc476f2bfa2473e0b675cc5aaecb90db3e67ca5fdad7d4344d81f38fadd61c5b20ea42a4e5904
SSDEEP

12288:cvwm+4SEmenH6nlLwbJUsz6hGSSt28JYivK+PAsTwChfQ:o+V4an1OWvHi3Is

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

severdops.ddns.net:6204

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
true
install_file
adobes.exe
install_folder
%AppData%

aes.plain

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
2244	adobes.exe

Loads dropped DLL 1 IoCs

pid	Process
1684	cmd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1720 set thread context of 2920	1720	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe	31

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3048	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1792	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1720	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe
1720	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe
1720	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe
2920	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe
2244	adobes.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1720	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe
Token: SeDebugPrivilege	2920	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe
Token: SeDebugPrivilege	2244	adobes.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2920	1720	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe	31
PID 1720 wrote to memory of 2920	1720	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe	31
PID 1720 wrote to memory of 2920	1720	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe	31
PID 1720 wrote to memory of 2920	1720	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe	31
PID 1720 wrote to memory of 2920	1720	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe	31
PID 1720 wrote to memory of 2920	1720	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe	31
PID 1720 wrote to memory of 2920	1720	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe	31
PID 1720 wrote to memory of 2920	1720	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe	31
PID 1720 wrote to memory of 2920	1720	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe	31
PID 2920 wrote to memory of 1476	2920	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe	32
PID 2920 wrote to memory of 1476	2920	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe	32
PID 2920 wrote to memory of 1476	2920	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe	32
PID 2920 wrote to memory of 1476	2920	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe	32
PID 2920 wrote to memory of 1684	2920	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe	34
PID 2920 wrote to memory of 1684	2920	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe	34
PID 2920 wrote to memory of 1684	2920	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe	34
PID 2920 wrote to memory of 1684	2920	2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe	34
PID 1476 wrote to memory of 1792	1476	cmd.exe	36
PID 1476 wrote to memory of 1792	1476	cmd.exe	36
PID 1476 wrote to memory of 1792	1476	cmd.exe	36
PID 1476 wrote to memory of 1792	1476	cmd.exe	36
PID 1684 wrote to memory of 3048	1684	cmd.exe	37
PID 1684 wrote to memory of 3048	1684	cmd.exe	37
PID 1684 wrote to memory of 3048	1684	cmd.exe	37
PID 1684 wrote to memory of 3048	1684	cmd.exe	37
PID 1684 wrote to memory of 2244	1684	cmd.exe	38
PID 1684 wrote to memory of 2244	1684	cmd.exe	38
PID 1684 wrote to memory of 2244	1684	cmd.exe	38
PID 1684 wrote to memory of 2244	1684	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Users\Admin\AppData\Local\Temp\2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\2d3046668e4316eb38dfa44dd953a486_JaffaCakes118.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2920
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "adobes" /tr '"C:\Users\Admin\AppData\Roaming\adobes.exe"' & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1476
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc onlogon /rl highest /tn "adobes" /tr '"C:\Users\Admin\AppData\Roaming\adobes.exe"'
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:1792
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpC745.tmp.bat""
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1684
  - - C:\Windows\SysWOW64\timeout.exe
      timeout 3
      4⤵
      Delays execution with timeout.exe
      PID:3048
  - - C:\Users\Admin\AppData\Roaming\adobes.exe
      "C:\Users\Admin\AppData\Roaming\adobes.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC745.tmp.bat

Filesize
150B

MD5
35f59444413c0fb17fd1ae2539fb7520

SHA1
b12ce3ff9bff1ab9d0f72623ace75ee9fd317377

SHA256
b35653d574229cb055c869ebaa2d1f147e74b24ca24035d0d46680617dd98a59

SHA512
a4cd4a4037dbbd724de427d38dcc94e237a2d8d344eb320972611512c185c8c5e3b878d9b7e336820c9e3e46e6736c9215a24960ad5290e43f881adc9fb5f44f

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

Filesize
475KB

MD5
2d3046668e4316eb38dfa44dd953a486

SHA1
deb76018ba4d8c1f700486804c383901923fe80c

SHA256
8013f920a224f6e3af1563d04210866aef0b22c145d827274befc3b4b17cecf8

SHA512
47fb64623c8a3488d5387edc5843a5f193a55d3310a4902bf45dc476f2bfa2473e0b675cc5aaecb90db3e67ca5fdad7d4344d81f38fadd61c5b20ea42a4e5904

Download Submit
memory/1720-23-0x0000000073C90000-0x000000007437E000-memory.dmp

Filesize
6.9MB

Download
memory/1720-1-0x0000000000060000-0x00000000000DC000-memory.dmp

Filesize
496KB

Download
memory/1720-2-0x0000000073C90000-0x000000007437E000-memory.dmp

Filesize
6.9MB

Download
memory/1720-3-0x0000000000450000-0x000000000045A000-memory.dmp

Filesize
40KB

Download
memory/1720-4-0x0000000073C9E000-0x0000000073C9F000-memory.dmp

Filesize
4KB

Download
memory/1720-5-0x0000000073C90000-0x000000007437E000-memory.dmp

Filesize
6.9MB

Download
memory/1720-6-0x0000000000730000-0x000000000076A000-memory.dmp

Filesize
232KB

Download
memory/1720-0-0x0000000073C9E000-0x0000000073C9F000-memory.dmp

Filesize
4KB

Download
memory/2244-38-0x0000000001020000-0x000000000109C000-memory.dmp

Filesize
496KB

Download
memory/2920-7-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2920-19-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2920-17-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2920-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2920-22-0x0000000073C90000-0x000000007437E000-memory.dmp

Filesize
6.9MB

Download
memory/2920-21-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2920-24-0x0000000073C90000-0x000000007437E000-memory.dmp

Filesize
6.9MB

Download
memory/2920-9-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2920-34-0x0000000073C90000-0x000000007437E000-memory.dmp

Filesize
6.9MB

Download
memory/2920-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2920-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download