asyncrat | 0dc0afcacc62e67589ff14452f5e1fc749c36f70ecedbed56b39c0e0081c2e3d

General

Target

fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe
Size

375KB
MD5

fe6df2be242b8f051d1031ac17f97788
SHA1

836da0ac005c03940cc3401d83528326a2148a56
SHA256

0dc0afcacc62e67589ff14452f5e1fc749c36f70ecedbed56b39c0e0081c2e3d
SHA512

bb930da5561f33315f480b2c0347e49de208d4fcf178f4dcb94e4b24a347ef6ec1dededc5ff4cd0867f35d6e36f7bfb5f8560756dabc9f09c611863058993ae0
SSDEEP

6144:GKmHRfq8+gw9tiUhrMQqAnlxBqOJ2+/GdAkV10Uv5ERZX:GKmxfqNP9/MtAvMS2Dyc0UviRZ

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

laboratoriogenfarp.linkpc.net:3490

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
true
install_file
windefendllinici.exe
install_folder
%Temp%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Executes dropped EXE 1 IoCs

Processes:

windefendllinici.exe

pid process

2948 windefendllinici.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

2868 cmd.exe

pid	process
2948	windefendllinici.exe

pid	process
2868	cmd.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe

description	pid	process	target process
PID 1724 set thread context of 2704	1724	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exefe6df2be242b8f051d1031ac17f97788_JaffaCakes118.execmd.exeschtasks.execmd.exetimeout.exewindefendllinici.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	windefendllinici.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2944 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

Processes:

schtasks.exe

pid process

2972 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe

pid process

2704 fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 2704 fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe

pid	process
2944	timeout.exe

pid	process
2972	schtasks.exe

pid	process
2704	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2704	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exefe6df2be242b8f051d1031ac17f97788_JaffaCakes118.execmd.execmd.exe

description	pid	process	target process
PID 1724 wrote to memory of 2704	1724	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe
PID 1724 wrote to memory of 2704	1724	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe
PID 1724 wrote to memory of 2704	1724	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe
PID 1724 wrote to memory of 2704	1724	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe
PID 1724 wrote to memory of 2704	1724	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe
PID 1724 wrote to memory of 2704	1724	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe
PID 1724 wrote to memory of 2704	1724	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe
PID 1724 wrote to memory of 2704	1724	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe
PID 1724 wrote to memory of 2704	1724	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe
PID 2704 wrote to memory of 704	2704	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe	cmd.exe
PID 2704 wrote to memory of 704	2704	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe	cmd.exe
PID 2704 wrote to memory of 704	2704	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe	cmd.exe
PID 2704 wrote to memory of 704	2704	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe	cmd.exe
PID 2704 wrote to memory of 2868	2704	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe	cmd.exe
PID 2704 wrote to memory of 2868	2704	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe	cmd.exe
PID 2704 wrote to memory of 2868	2704	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe	cmd.exe
PID 2704 wrote to memory of 2868	2704	fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe	cmd.exe
PID 704 wrote to memory of 2972	704	cmd.exe	schtasks.exe
PID 704 wrote to memory of 2972	704	cmd.exe	schtasks.exe
PID 704 wrote to memory of 2972	704	cmd.exe	schtasks.exe
PID 704 wrote to memory of 2972	704	cmd.exe	schtasks.exe
PID 2868 wrote to memory of 2944	2868	cmd.exe	timeout.exe
PID 2868 wrote to memory of 2944	2868	cmd.exe	timeout.exe
PID 2868 wrote to memory of 2944	2868	cmd.exe	timeout.exe
PID 2868 wrote to memory of 2944	2868	cmd.exe	timeout.exe
PID 2868 wrote to memory of 2948	2868	cmd.exe	windefendllinici.exe
PID 2868 wrote to memory of 2948	2868	cmd.exe	windefendllinici.exe
PID 2868 wrote to memory of 2948	2868	cmd.exe	windefendllinici.exe
PID 2868 wrote to memory of 2948	2868	cmd.exe	windefendllinici.exe

C:\Users\Admin\AppData\Local\Temp\fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1724

C:\Users\Admin\AppData\Local\Temp\fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fe6df2be242b8f051d1031ac17f97788_JaffaCakes118.exe"
2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2704

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "windefendllinici" /tr '"C:\Users\Admin\AppData\Local\Temp\windefendllinici.exe"' & exit
3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:704

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "windefendllinici" /tr '"C:\Users\Admin\AppData\Local\Temp\windefendllinici.exe"'
4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2972

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpE273.tmp.bat""
3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2868

C:\Windows\SysWOW64\timeout.exe
timeout 3
4⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
PID:2944

C:\Users\Admin\AppData\Local\Temp\windefendllinici.exe
"C:\Users\Admin\AppData\Local\Temp\windefendllinici.exe"
4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE273.tmp.bat

Filesize
163B

MD5
8f99ac1af2de0c77eddc45c9a5b832f9

SHA1
4198d8a738f0c6bf225452a3b57881669a427638

SHA256
d3622db20672e8261d9e7f6d735a3dfa748f89582836d449940c6d9a7eefb7bb

SHA512
14e946ff705eb599109b82ffb5808d341c3fe83a90c873ba59ab9598ec293da3364e26c5cd0925f2375c7254bcd77934982e7a3c633d5d66bada08bedcc39d7b

Download Submit
\Users\Admin\AppData\Local\Temp\windefendllinici.exe

Filesize
375KB

MD5
fe6df2be242b8f051d1031ac17f97788

SHA1
836da0ac005c03940cc3401d83528326a2148a56

SHA256
0dc0afcacc62e67589ff14452f5e1fc749c36f70ecedbed56b39c0e0081c2e3d

SHA512
bb930da5561f33315f480b2c0347e49de208d4fcf178f4dcb94e4b24a347ef6ec1dededc5ff4cd0867f35d6e36f7bfb5f8560756dabc9f09c611863058993ae0

Download Submit
memory/1724-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/1724-1-0x00000000008C0000-0x0000000000924000-memory.dmp

Filesize
400KB

Download
memory/1724-2-0x00000000005E0000-0x00000000005EA000-memory.dmp

Filesize
40KB

Download
memory/1724-3-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/1724-4-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/1724-5-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/1724-6-0x00000000021A0000-0x00000000021E0000-memory.dmp

Filesize
256KB

Download
memory/1724-24-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2704-19-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2704-17-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2704-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2704-9-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2704-23-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2704-22-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2704-25-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2704-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2704-34-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2704-7-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2948-39-0x0000000000FB0000-0x0000000001014000-memory.dmp

Filesize
400KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads