asyncrat | 409d419c88db27ed43efafe8e736ca6ea40a5d333dbbd0bb821b1fa2ca392255

General

Target

bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da.exe
Size

936KB
MD5

9ee64b943c2405d18d892e92b128d573
SHA1

ac5564a6984f111670446d6538e6fc218e7474fd
SHA256

bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da
SHA512

00ded857701d3c8c17250127454daf88767eed8c502a9ad5b10962a346f6e8e84e6db3e5ce0b8823214f9594595459450dc6997f1359f39f6ba2577768ba09fd
SSDEEP

12288:RdRUevOMD2dgRKGopeN4ADqjJ5n4MSGSbAEu9H7kJ1f82fpuIXxV+/ZTo2uRCyri:RzUecgRKdpNjr48

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

hardrickkonsultg.ddns.net:8848

Mutex

DcRatMutex_qwqdanchun

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2888 set thread context of 2196	2888	bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da.exe	32

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 3 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da.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
2636	schtasks.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2636	2888	bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da.exe	30
PID 2888 wrote to memory of 2636	2888	bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da.exe	30
PID 2888 wrote to memory of 2636	2888	bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da.exe	30
PID 2888 wrote to memory of 2636	2888	bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da.exe	30
PID 2888 wrote to memory of 2196	2888	bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da.exe	32
PID 2888 wrote to memory of 2196	2888	bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da.exe	32
PID 2888 wrote to memory of 2196	2888	bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da.exe	32
PID 2888 wrote to memory of 2196	2888	bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da.exe	32
PID 2888 wrote to memory of 2196	2888	bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da.exe	32
PID 2888 wrote to memory of 2196	2888	bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da.exe	32
PID 2888 wrote to memory of 2196	2888	bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da.exe	32
PID 2888 wrote to memory of 2196	2888	bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da.exe	32
PID 2888 wrote to memory of 2196	2888	bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da.exe	32

C:\Users\Admin\AppData\Local\Temp\bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da.exe
"C:\Users\Admin\AppData\Local\Temp\bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\quJnCsaShq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC7B3.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2636
- C:\Users\Admin\AppData\Local\Temp\bfa3f6f645ef9ae71a47e665200300f035dbf18af1774f57a65ab1de763ef1da.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2196

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\tmpC7B3.tmp

Filesize
1KB

MD5
92cf94d1f2f76860997f2bb328473ae7

SHA1
887ac32025984d9f7476de62c60b4b5d63595716

SHA256
ef9b9dd1d127760b05a0d74ff4735f11351e5a2786f1cdf957c1fa0f5da12431

SHA512
9fe46ae9fc764f8f0af4549f6e0404c2c535aac024d8c45adfa3724849cb28fe1ea130a3c70d1fd378b10e26a559c899c2b1778eda800401d314e44b675988f1

Download Submit
memory/2196-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2196-26-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2196-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2196-29-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2196-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2196-15-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2196-17-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2196-21-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2196-30-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2196-23-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2196-27-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2888-6-0x0000000001100000-0x0000000001168000-memory.dmp

Filesize
416KB

Download
memory/2888-1-0x00000000013B0000-0x00000000014A0000-memory.dmp

Filesize
960KB

Download
memory/2888-28-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2888-0-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download
memory/2888-7-0x0000000000B90000-0x0000000000BA2000-memory.dmp

Filesize
72KB

Download
memory/2888-2-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2888-5-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2888-4-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download
memory/2888-3-0x0000000000920000-0x0000000000940000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads