asyncrat | adbce5e454bbc8b27c4ac87f70dee8d622395b541736d6f0af027dd94e454cb7

General

Target

adbce5e454bbc8b27c4ac87f70dee8d622395b541736d6f0af027dd94e454cb7.exe
Size

74KB
MD5

85f89a5f5806117cc82aec6e1f89cd13
SHA1

735d2331d6bc90498f3f1405af0dffa37b136e5d
SHA256

adbce5e454bbc8b27c4ac87f70dee8d622395b541736d6f0af027dd94e454cb7
SHA512

038c96c575f0a1204a4159cd7ac9262f7e1447be9bba28278ddcdd6294280f40399cfb06a89e40460114306c9b5a33d466ac2de7af58575b80cad0921f4a979d
SSDEEP

1536:WUqkcx5v/5CxSPMVBAMv/IjH1bOx+TYKiAQzcjRVclN:WUDcx5vx2SPMVBAMvyH1bO882Qm7Y

Score

10^/10

asyncrat venomrat eulenv4 discovery rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

EulenV4

Mutex

chxtzuezuve

Attributes

delay
1
install
true
install_file
svchost.exe
install_folder
%AppData%
pastebin_config
https://pastebin.com/raw/KnhCGRrn

aes.plain

Signatures

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

VenomRAT 3 IoCs

Detects VenomRAT.

rat

resource	yara_rule
behavioral1/memory/2596-1-0x0000000000050000-0x0000000000068000-memory.dmp	VenomRAT
behavioral1/files/0x0009000000015d2a-16.dat	VenomRAT
behavioral1/memory/2908-18-0x00000000001D0000-0x00000000001E8000-memory.dmp	VenomRAT

Venomrat family
venomrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/files/0x0009000000015d2a-16.dat	family_asyncrat

Executes dropped EXE 1 IoCs

pid	Process
2908	svchost.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
4	pastebin.com
5	pastebin.com

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

defense_evasion

pid	Process
2804	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
2220	schtasks.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
2596	adbce5e454bbc8b27c4ac87f70dee8d622395b541736d6f0af027dd94e454cb7.exe
2596	adbce5e454bbc8b27c4ac87f70dee8d622395b541736d6f0af027dd94e454cb7.exe
2596	adbce5e454bbc8b27c4ac87f70dee8d622395b541736d6f0af027dd94e454cb7.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe
2908	svchost.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2596	adbce5e454bbc8b27c4ac87f70dee8d622395b541736d6f0af027dd94e454cb7.exe
Token: SeDebugPrivilege	2596	adbce5e454bbc8b27c4ac87f70dee8d622395b541736d6f0af027dd94e454cb7.exe
Token: SeDebugPrivilege	2908	svchost.exe
Token: SeDebugPrivilege	2908	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2908	svchost.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 1560	2596	adbce5e454bbc8b27c4ac87f70dee8d622395b541736d6f0af027dd94e454cb7.exe	30
PID 2596 wrote to memory of 1560	2596	adbce5e454bbc8b27c4ac87f70dee8d622395b541736d6f0af027dd94e454cb7.exe	30
PID 2596 wrote to memory of 1560	2596	adbce5e454bbc8b27c4ac87f70dee8d622395b541736d6f0af027dd94e454cb7.exe	30
PID 2596 wrote to memory of 2304	2596	adbce5e454bbc8b27c4ac87f70dee8d622395b541736d6f0af027dd94e454cb7.exe	31
PID 2596 wrote to memory of 2304	2596	adbce5e454bbc8b27c4ac87f70dee8d622395b541736d6f0af027dd94e454cb7.exe	31
PID 2596 wrote to memory of 2304	2596	adbce5e454bbc8b27c4ac87f70dee8d622395b541736d6f0af027dd94e454cb7.exe	31
PID 1560 wrote to memory of 2220	1560	cmd.exe	34
PID 1560 wrote to memory of 2220	1560	cmd.exe	34
PID 1560 wrote to memory of 2220	1560	cmd.exe	34
PID 2304 wrote to memory of 2804	2304	cmd.exe	35
PID 2304 wrote to memory of 2804	2304	cmd.exe	35
PID 2304 wrote to memory of 2804	2304	cmd.exe	35
PID 2304 wrote to memory of 2908	2304	cmd.exe	36
PID 2304 wrote to memory of 2908	2304	cmd.exe	36
PID 2304 wrote to memory of 2908	2304	cmd.exe	36

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\adbce5e454bbc8b27c4ac87f70dee8d622395b541736d6f0af027dd94e454cb7.exe
"C:\Users\Admin\AppData\Local\Temp\adbce5e454bbc8b27c4ac87f70dee8d622395b541736d6f0af027dd94e454cb7.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1560
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2220
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpAEA7.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2304
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2804
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2908

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

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
71KB

MD5
83142242e97b8953c386f988aa694e4a

SHA1
833ed12fc15b356136dcdd27c61a50f59c5c7d50

SHA256
d72761e1a334a754ce8250e3af7ea4bf25301040929fd88cf9e50b4a9197d755

SHA512
bb6da177bd16d163f377d9b4c63f6d535804137887684c113cc2f643ceab4f34338c06b5a29213c23d375e95d22ef417eac928822dfb3688ce9e2de9d5242d10

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarDF7D.tmp

Filesize
183KB

MD5
109cab5505f5e065b63d01361467a83b

SHA1
4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

SHA256
ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

SHA512
753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAEA7.tmp.bat

Filesize
151B

MD5
8e2386cc72d43a60565b0cc132bd5461

SHA1
160146e7996cfe2154f30b1002b513d87652ad5c

SHA256
7d29718bea5940c5d6ee11f5e15251d4275caba575bf877712a29e1eb4bbd2e6

SHA512
1f82ab98946148b89d173a0a977776069154fbcb6fe38b29077a3edcc64dd40c2780786b70827507e0415a9b224b450a7daea8724b3e07335553096c82c7269d

Download Submit
C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf

Filesize
8B

MD5
cf759e4c5f14fe3eec41b87ed756cea8

SHA1
c27c796bb3c2fac929359563676f4ba1ffada1f5

SHA256
c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761

SHA512
c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
74KB

MD5
85f89a5f5806117cc82aec6e1f89cd13

SHA1
735d2331d6bc90498f3f1405af0dffa37b136e5d

SHA256
adbce5e454bbc8b27c4ac87f70dee8d622395b541736d6f0af027dd94e454cb7

SHA512
038c96c575f0a1204a4159cd7ac9262f7e1447be9bba28278ddcdd6294280f40399cfb06a89e40460114306c9b5a33d466ac2de7af58575b80cad0921f4a979d

Download Submit
memory/2596-0-0x000007FEF5FD3000-0x000007FEF5FD4000-memory.dmp

Filesize
4KB

Download
memory/2596-1-0x0000000000050000-0x0000000000068000-memory.dmp

Filesize
96KB

Download
memory/2596-3-0x000007FEF5FD0000-0x000007FEF69BC000-memory.dmp

Filesize
9.9MB

Download
memory/2596-12-0x000007FEF5FD0000-0x000007FEF69BC000-memory.dmp

Filesize
9.9MB

Download
memory/2596-14-0x000007FEF5FD0000-0x000007FEF69BC000-memory.dmp

Filesize
9.9MB

Download
memory/2908-18-0x00000000001D0000-0x00000000001E8000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads