asyncrat | d6ac33bdde804937341f6ac88e9f03c5738df8037df6184b2c14e848e6222a98

General

Target

d6ac33bdde804937341f6ac88e9f03c5738df8037df6184b2c14e848e6222a98.exe
Size

74KB
MD5

aa89ed1bd7a09a03da6bef9ae0143509
SHA1

35a6f79a5ed45ad4b6682daca1b77b6355b9c6f9
SHA256

d6ac33bdde804937341f6ac88e9f03c5738df8037df6184b2c14e848e6222a98
SHA512

1e610419ded5dc49711d80feda97b7d2ff7fb71805acfaec004f8bfa4942130af869b17b1e8a3db121338588aa1d0f6a69d302d0661bdd0c20d9553e80e878f3
SSDEEP

1536:CUlkcx9pXCTyPMVt53pIZlOH1bW/Wab0XWQQzciLVclN:CU+cx958yPMVHslOH1bWp8PQzBY

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

15.229.43.98:7771

Mutex

piikvzefolbyasuv

Attributes

delay
1
install
true
install_file
digital.exe
install_folder
%AppData%

aes.plain

Signatures

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

VenomRAT 3 IoCs

Detects VenomRAT.

rat

Processes:

resource	yara_rule
behavioral1/memory/1948-1-0x0000000000360000-0x0000000000378000-memory.dmp	VenomRAT
C:\Users\Admin\AppData\Roaming\digital.exe	VenomRAT
behavioral1/memory/2900-18-0x00000000012B0000-0x00000000012C8000-memory.dmp	VenomRAT

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\digital.exe	family_asyncrat

Executes dropped EXE 1 IoCs

Processes:

digital.exe

pid process

2900 digital.exe
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
evasion

Processes:

timeout.exe

pid process

2908 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

2884 schtasks.exe

pid	process
2900	digital.exe

pid	process
2908	timeout.exe

pid	process
2884	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

d6ac33bdde804937341f6ac88e9f03c5738df8037df6184b2c14e848e6222a98.exedigital.exe

pid	process
1948	d6ac33bdde804937341f6ac88e9f03c5738df8037df6184b2c14e848e6222a98.exe
1948	d6ac33bdde804937341f6ac88e9f03c5738df8037df6184b2c14e848e6222a98.exe
1948	d6ac33bdde804937341f6ac88e9f03c5738df8037df6184b2c14e848e6222a98.exe
2900	digital.exe
2900	digital.exe
2900	digital.exe
2900	digital.exe
2900	digital.exe
2900	digital.exe
2900	digital.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

d6ac33bdde804937341f6ac88e9f03c5738df8037df6184b2c14e848e6222a98.exedigital.exe

description	pid	process
Token: SeDebugPrivilege	1948	d6ac33bdde804937341f6ac88e9f03c5738df8037df6184b2c14e848e6222a98.exe
Token: SeDebugPrivilege	2900	digital.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

digital.exe

pid process

2900 digital.exe

pid	process
2900	digital.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

d6ac33bdde804937341f6ac88e9f03c5738df8037df6184b2c14e848e6222a98.execmd.execmd.exe

description	pid	process	target process
PID 1948 wrote to memory of 2836	1948	d6ac33bdde804937341f6ac88e9f03c5738df8037df6184b2c14e848e6222a98.exe	cmd.exe
PID 1948 wrote to memory of 2836	1948	d6ac33bdde804937341f6ac88e9f03c5738df8037df6184b2c14e848e6222a98.exe	cmd.exe
PID 1948 wrote to memory of 2836	1948	d6ac33bdde804937341f6ac88e9f03c5738df8037df6184b2c14e848e6222a98.exe	cmd.exe
PID 1948 wrote to memory of 2964	1948	d6ac33bdde804937341f6ac88e9f03c5738df8037df6184b2c14e848e6222a98.exe	cmd.exe
PID 1948 wrote to memory of 2964	1948	d6ac33bdde804937341f6ac88e9f03c5738df8037df6184b2c14e848e6222a98.exe	cmd.exe
PID 1948 wrote to memory of 2964	1948	d6ac33bdde804937341f6ac88e9f03c5738df8037df6184b2c14e848e6222a98.exe	cmd.exe
PID 2964 wrote to memory of 2908	2964	cmd.exe	timeout.exe
PID 2964 wrote to memory of 2908	2964	cmd.exe	timeout.exe
PID 2964 wrote to memory of 2908	2964	cmd.exe	timeout.exe
PID 2836 wrote to memory of 2884	2836	cmd.exe	schtasks.exe
PID 2836 wrote to memory of 2884	2836	cmd.exe	schtasks.exe
PID 2836 wrote to memory of 2884	2836	cmd.exe	schtasks.exe
PID 2964 wrote to memory of 2900	2964	cmd.exe	digital.exe
PID 2964 wrote to memory of 2900	2964	cmd.exe	digital.exe
PID 2964 wrote to memory of 2900	2964	cmd.exe	digital.exe

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\d6ac33bdde804937341f6ac88e9f03c5738df8037df6184b2c14e848e6222a98.exe
"C:\Users\Admin\AppData\Local\Temp\d6ac33bdde804937341f6ac88e9f03c5738df8037df6184b2c14e848e6222a98.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "digital" /tr '"C:\Users\Admin\AppData\Roaming\digital.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "digital" /tr '"C:\Users\Admin\AppData\Roaming\digital.exe"'
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2884
- C:\Windows\system32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpC8EA.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2908
- - C:\Users\Admin\AppData\Roaming\digital.exe
    "C:\Users\Admin\AppData\Roaming\digital.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2900

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

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC8EA.tmp.bat

Filesize
151B

MD5
167041482fa36d5011cd8c389bef2341

SHA1
e227f0716fd39d074f04bd33bfc92e2434f2d0f0

SHA256
f7d32e833c9c04e185208bc03c421e2a54d2da6071eb8fd796a1eca637faad1d

SHA512
01e40c07448f2401e5d597fb84d008d99f3eebc37f5b7a2e7d13a97778e0689f50eac1a48735ebc82a860c40d6ae0de1eb9ad59bcd9f4db0be7290a21875796a

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\digital.exe

Filesize
74KB

MD5
aa89ed1bd7a09a03da6bef9ae0143509

SHA1
35a6f79a5ed45ad4b6682daca1b77b6355b9c6f9

SHA256
d6ac33bdde804937341f6ac88e9f03c5738df8037df6184b2c14e848e6222a98

SHA512
1e610419ded5dc49711d80feda97b7d2ff7fb71805acfaec004f8bfa4942130af869b17b1e8a3db121338588aa1d0f6a69d302d0661bdd0c20d9553e80e878f3

Download Submit
memory/1948-0-0x000007FEF59B3000-0x000007FEF59B4000-memory.dmp

Filesize
4KB

Download
memory/1948-1-0x0000000000360000-0x0000000000378000-memory.dmp

Filesize
96KB

Download
memory/1948-3-0x000007FEF59B0000-0x000007FEF639C000-memory.dmp

Filesize
9.9MB

Download
memory/1948-4-0x000007FEF59B0000-0x000007FEF639C000-memory.dmp

Filesize
9.9MB

Download
memory/1948-14-0x000007FEF59B0000-0x000007FEF639C000-memory.dmp

Filesize
9.9MB

Download
memory/2900-18-0x00000000012B0000-0x00000000012C8000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads