asyncrat | c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625

General

Target

c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.exe
Size

508KB
MD5

f247152aeaeae01dbcc4ec5e1050f0d8
SHA1

29e274717dfa16c409b74042805db6e77402a097
SHA256

c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625
SHA512

6e565095d5a2c782b17b6cb3ce1b9eae71de79e9c46ad11d93c17a27b9a254332421bb67bcc37e3bd2b5612c11caa3a23fdabe27855faafca9bd0ce2006b48bb
SSDEEP

12288:h7T9IHvH3L9j9ZqM7Gq9LjN68Ew9Xiys4aJKzbTMGS:hSHb7GCLjN68b9X7LcKzbQ

Score

10^/10

asyncrat xx discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

XX

C2

icando.ug:6970

icacxndo.ac.ug:6970

Mutex

6SI8OkPnkxzcasd

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4000 set thread context of 1896	4000	c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.exe	101

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	c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.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
2768	schtasks.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4000	c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 2768	4000	c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.exe	99
PID 4000 wrote to memory of 2768	4000	c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.exe	99
PID 4000 wrote to memory of 2768	4000	c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.exe	99
PID 4000 wrote to memory of 1896	4000	c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.exe	101
PID 4000 wrote to memory of 1896	4000	c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.exe	101
PID 4000 wrote to memory of 1896	4000	c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.exe	101
PID 4000 wrote to memory of 1896	4000	c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.exe	101
PID 4000 wrote to memory of 1896	4000	c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.exe	101
PID 4000 wrote to memory of 1896	4000	c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.exe	101
PID 4000 wrote to memory of 1896	4000	c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.exe	101
PID 4000 wrote to memory of 1896	4000	c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.exe	101

C:\Users\Admin\AppData\Local\Temp\c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.exe
"C:\Users\Admin\AppData\Local\Temp\c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZgJrFIxxlXT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp11BE.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2768
- C:\Users\Admin\AppData\Local\Temp\c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1896

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

Query Registry

1

T1012

System Information Discovery

2

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\Microsoft\CLR_v4.0_32\UsageLogs\c9f2834a9860d26cfe06748d933b338c5f511a01442ade25930d292b52f1f625.exe.log

Filesize
1KB

MD5
400f1cc1a0a0ce1cdabda365ab3368ce

SHA1
1ecf683f14271d84f3b6063493dce00ff5f42075

SHA256
c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765

SHA512
14c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp11BE.tmp

Filesize
1KB

MD5
0ee88ffaff900cc8e2eeaa446397e3e2

SHA1
e6b64432ab6cce14730b895940056f108901ac74

SHA256
aba1f4477f550d750d00bf7b584cabc10109b8357228664e9954edf68f6a9bb8

SHA512
bb441ac12ebe87bd80140e3f404ded0652fcb415e855f5c7972aa2d1a3bb53c081b5f3da7be79388dbc1c97c785590d183868bd4855888bf27ca9e6c65c57859

Download Submit
memory/1896-20-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/1896-19-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/1896-17-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/1896-14-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4000-4-0x0000000004630000-0x000000000463A000-memory.dmp

Filesize
40KB

Download
memory/4000-7-0x0000000008A20000-0x0000000008ABC000-memory.dmp

Filesize
624KB

Download
memory/4000-8-0x00000000748EE000-0x00000000748EF000-memory.dmp

Filesize
4KB

Download
memory/4000-9-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/4000-10-0x00000000085A0000-0x000000000860A000-memory.dmp

Filesize
424KB

Download
memory/4000-6-0x00000000072C0000-0x00000000072CA000-memory.dmp

Filesize
40KB

Download
memory/4000-5-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/4000-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

Filesize
4KB

Download
memory/4000-3-0x00000000070B0000-0x0000000007142000-memory.dmp

Filesize
584KB

Download
memory/4000-18-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/4000-2-0x0000000007560000-0x0000000007B04000-memory.dmp

Filesize
5.6MB

Download
memory/4000-1-0x0000000000170000-0x00000000001F8000-memory.dmp

Filesize
544KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads