asyncrat | 8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae

General

Target

8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae.exe
Size

3.9MB
MD5

c8de9399c22a91d81bc9ecbe502556c1
SHA1

5c70471cb9b4278052561db539b2004fa02b2e90
SHA256

8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae
SHA512

b699d636a745596591dde641f0bd4d27a7b8b98287390f39e5d61c9f1faccec975c100ec7d41176eb6536dc59cbc9258addbd69fd9014f0480d3e23f966399a9
SSDEEP

49152:JOb699GhOeeYrHhxNg0Dobuh9CY501gFji3o8SIP1qJ5+BXldQJmnt7wBHQ:L9vYrdnfsSIAJYBXlVwBw

Score

10^/10

asyncrat default execution rat

Malware Config

Extracted

Family

asyncrat

Version

0.0.1A

Botnet

Default

C2

185.216.214.217:5858

Mutex

fghre9ijuve9 juejuoirujiovijo

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4164	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5064 set thread context of 220	5064	8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae.exe	76

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4164	powershell.exe
4164	powershell.exe
4164	powershell.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeDebugPrivilege	4164	powershell.exe
Token: SeDebugPrivilege	220	regsvcs.exe
Token: SeIncreaseQuotaPrivilege	4164	powershell.exe
Token: SeSecurityPrivilege	4164	powershell.exe
Token: SeTakeOwnershipPrivilege	4164	powershell.exe
Token: SeLoadDriverPrivilege	4164	powershell.exe
Token: SeSystemProfilePrivilege	4164	powershell.exe
Token: SeSystemtimePrivilege	4164	powershell.exe
Token: SeProfSingleProcessPrivilege	4164	powershell.exe
Token: SeIncBasePriorityPrivilege	4164	powershell.exe
Token: SeCreatePagefilePrivilege	4164	powershell.exe
Token: SeBackupPrivilege	4164	powershell.exe
Token: SeRestorePrivilege	4164	powershell.exe
Token: SeShutdownPrivilege	4164	powershell.exe
Token: SeDebugPrivilege	4164	powershell.exe
Token: SeSystemEnvironmentPrivilege	4164	powershell.exe
Token: SeRemoteShutdownPrivilege	4164	powershell.exe
Token: SeUndockPrivilege	4164	powershell.exe
Token: SeManageVolumePrivilege	4164	powershell.exe
Token: 33	4164	powershell.exe
Token: 34	4164	powershell.exe
Token: 35	4164	powershell.exe
Token: 36	4164	powershell.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5064 wrote to memory of 4164	5064	8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae.exe	74
PID 5064 wrote to memory of 4164	5064	8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae.exe	74
PID 5064 wrote to memory of 220	5064	8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae.exe	76
PID 5064 wrote to memory of 220	5064	8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae.exe	76
PID 5064 wrote to memory of 220	5064	8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae.exe	76
PID 5064 wrote to memory of 220	5064	8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae.exe	76
PID 5064 wrote to memory of 220	5064	8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae.exe	76
PID 5064 wrote to memory of 220	5064	8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae.exe	76

C:\Users\Admin\AppData\Local\Temp\8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae.exe
"C:\Users\Admin\AppData\Local\Temp\8912a860fea905932645a87fb22455057e7fee4aa6f64a3cf0a2ef28e810f6ae.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5064
- C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath $env:UserProfile
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4164
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\regsvcs.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\regsvcs.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4nqugd15.dg1.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/220-42-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/4164-4-0x00007FFA2DF73000-0x00007FFA2DF74000-memory.dmp

Filesize
4KB

Download
memory/4164-5-0x0000017123780000-0x00000171237A2000-memory.dmp

Filesize
136KB

Download
memory/4164-7-0x00007FFA2DF70000-0x00007FFA2E95C000-memory.dmp

Filesize
9.9MB

Download
memory/4164-9-0x00007FFA2DF70000-0x00007FFA2E95C000-memory.dmp

Filesize
9.9MB

Download
memory/4164-10-0x0000017123AB0000-0x0000017123B26000-memory.dmp

Filesize
472KB

Download
memory/4164-23-0x00007FFA2DF70000-0x00007FFA2E95C000-memory.dmp

Filesize
9.9MB

Download
memory/4164-52-0x00007FFA2DF70000-0x00007FFA2E95C000-memory.dmp

Filesize
9.9MB

Download

Analysis

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