asyncrat | fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c

General

Target
fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
Size 45KB
Sample260905-hb38raycna
SHA256 fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c
MD5 b84cabf50c46b04c55c55caabb1f6743
SHA1 954e12061365ab5d747aaa2f87dd8b3e2f8e30c0
SHA512 988d5e046c91257e9b12b7aa8437365e191b290295eb8ec785d18d4bce525911da7110c2302438ec971ce0c5b0f67e4270b0d2701a5f475864ca04a7fd934379
SSDEEP 768:8uUIpT4vvofWWUEXb+Imo2q4AEYSCBTPKNjPIZzjbAgX3i3DodaWcQ2L7dBZBDZ2:8uUIpT4vAj20El8KKZ3bnXS3sQW5QBHU
TLSH
T17B232A003BE8C12BF2BE4F7899F26145867AF6637603D5492CC452DA5613FC6CA426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default command_and_control defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

sexdeptv.xyz:80
sexdeptv.xyz:22
sexdeptv.xyz:8080
sexdeptv.xyz:8880
sexdeptv.xyz:2052
sexdeptv.xyz:2082
sexdeptv.xyz:2086
sexdeptv.xyz:2095
sexdeptv.xyz:443
sexdeptv.xyz:2053
sexdeptv.xyz:2083
sexdeptv.xyz:2087
sexdeptv.xyz:2096
sexdeptv.xyz:8443
www.sexdeptv.xyz:80
www.sexdeptv.xyz:22
www.sexdeptv.xyz:8080
www.sexdeptv.xyz:8880
www.sexdeptv.xyz:2052
www.sexdeptv.xyz:2082
www.sexdeptv.xyz:2086
www.sexdeptv.xyz:2095
www.sexdeptv.xyz:443
www.sexdeptv.xyz:2053
www.sexdeptv.xyz:2083
www.sexdeptv.xyz:2087
www.sexdeptv.xyz:2096
www.sexdeptv.xyz:8443
invasive.sexdeptv.xyz:80
invasive.sexdeptv.xyz:22
invasive.sexdeptv.xyz:8080
invasive.sexdeptv.xyz:8880
invasive.sexdeptv.xyz:2052
invasive.sexdeptv.xyz:2082
invasive.sexdeptv.xyz:2086
invasive.sexdeptv.xyz:2095
invasive.sexdeptv.xyz:443
invasive.sexdeptv.xyz:2053
invasive.sexdeptv.xyz:2083
invasive.sexdeptv.xyz:2087
invasive.sexdeptv.xyz:2096
invasive.sexdeptv.xyz:8443
agenttesla.sexdeptv.xyz:80
agenttesla.sexdeptv.xyz:22
agenttesla.sexdeptv.xyz:8080
agenttesla.sexdeptv.xyz:8880
agenttesla.sexdeptv.xyz:2052
agenttesla.sexdeptv.xyz:2082
agenttesla.sexdeptv.xyz:2086
agenttesla.sexdeptv.xyz:2095
agenttesla.sexdeptv.xyz:443
agenttesla.sexdeptv.xyz:2053
agenttesla.sexdeptv.xyz:2083
agenttesla.sexdeptv.xyz:2087
agenttesla.sexdeptv.xyz:2096
agenttesla.sexdeptv.xyz:8443
cl0p.sexdeptv.xyz:80
cl0p.sexdeptv.xyz:22
cl0p.sexdeptv.xyz:8080
cl0p.sexdeptv.xyz:8880
cl0p.sexdeptv.xyz:2052
cl0p.sexdeptv.xyz:2082
cl0p.sexdeptv.xyz:2086
cl0p.sexdeptv.xyz:2095
cl0p.sexdeptv.xyz:443
cl0p.sexdeptv.xyz:2053
cl0p.sexdeptv.xyz:2083
cl0p.sexdeptv.xyz:2087
cl0p.sexdeptv.xyz:2096
cl0p.sexdeptv.xyz:8443
nimda.sexdeptv.xyz:80
nimda.sexdeptv.xyz:22
nimda.sexdeptv.xyz:8080
nimda.sexdeptv.xyz:8880
nimda.sexdeptv.xyz:2052
nimda.sexdeptv.xyz:2082
nimda.sexdeptv.xyz:2086
nimda.sexdeptv.xyz:2095
nimda.sexdeptv.xyz:443
nimda.sexdeptv.xyz:2053
nimda.sexdeptv.xyz:2083
nimda.sexdeptv.xyz:2087
nimda.sexdeptv.xyz:2096
nimda.sexdeptv.xyz:8443

Mutex

mFx82RrDt6OM

Attributes

delay
0
install
true
install_file
nlp30jy.exe
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x000d00000001c53d-10.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
4916	nlp30jy.exe
3376	nlp30jy.exe

Outbound SSH connection to public host 2 TTPs 1 IoCs

SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

command_and_control

Protocol Tunneling

T1572

Network Service Discovery

T1046

description	flow	ioc
SSH destination	11	104.21.33.125:22

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3592	cmd.exe
1760	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nlp30jy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nlp30jy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
5144	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
5180	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
Token: SeDebugPrivilege	4916	nlp30jy.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4256 wrote to memory of 3592	4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe	89
PID 4256 wrote to memory of 1760	4256	fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe	91
PID 3592 wrote to memory of 5180	3592	cmd.exe	93
PID 1760 wrote to memory of 5144	1760	cmd.exe	94
PID 1760 wrote to memory of 3376	1760	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe
"C:\Users\Admin\AppData\Local\Temp\fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4256
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "nlp30jy" /tr '"C:\Users\Admin\AppData\Roaming\nlp30jy.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3592
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "nlp30jy" /tr '"C:\Users\Admin\AppData\Roaming\nlp30jy.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:5180
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp642F.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1760
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5144
- - C:\Users\Admin\AppData\Roaming\nlp30jy.exe
    "C:\Users\Admin\AppData\Roaming\nlp30jy.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3376

C:\Users\Admin\AppData\Roaming\nlp30jy.exe
"C:\Users\Admin\AppData\Roaming\nlp30jy.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4916

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:5472

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

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

Network Service Discovery

1

T1046

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Protocol Tunneling

1

T1572

Exfiltration

Impact

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Downloads

tmp642F.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp642F.tmp.bat
Size 151B
SHA256 f1fd490df675ecb74ef7d85213fc6c2f8a252d8efc1ae51449c3cabdff723069
MD5 57937a391d0101cce61d1fba2b361927
SHA1 4f1b573dd2329d23a84ead5efbfe4f4a7b5ad983
SHA512 5d54c40b3f9aeac454c3f5fa14bea2f99193826e568f5df67dba220e1e02fe85fd34d20f682157469504c4160286aac61374d8bde5b63148da5c923fd37333d4
TLSH
T1EFC02B52B5C9EA1E284D141703FBD5ACA1726C2D3F44FF00C344404D1280848F4DD381
MD5 SHA1 SHA512 TLSH

Submit Download

nlp30jy.exe

Path C:\Users\Admin\AppData\Roaming\nlp30jy.exe
Size 45KB
SHA256 fdfe6d5ceecfd9f0a1d2b2e88c144c06328e495b85cf863dbb3bb63448c1ed3c
MD5 b84cabf50c46b04c55c55caabb1f6743
SHA1 954e12061365ab5d747aaa2f87dd8b3e2f8e30c0
SHA512 988d5e046c91257e9b12b7aa8437365e191b290295eb8ec785d18d4bce525911da7110c2302438ec971ce0c5b0f67e4270b0d2701a5f475864ca04a7fd934379
SSDEEP 768:8uUIpT4vvofWWUEXb+Imo2q4AEYSCBTPKNjPIZzjbAgX3i3DodaWcQ2L7dBZBDZ2:8uUIpT4vAj20El8KKZ3bnXS3sQW5QBHU
TLSH
T17B232A003BE8C12BF2BE4F7899F26145867AF6637603D5492CC452DA5613FC6CA426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4256-0-0x0000000074AB2000-0x0000000074AB3000-memory.dmp

Download

memory/4256-1-0x0000000000610000-0x0000000000622000-memory.dmp

Download

memory/4256-2-0x0000000074AA0000-0x000000007525C000-memory.dmp

Download

memory/4256-3-0x0000000005200000-0x000000000529C000-memory.dmp

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memory/4256-8-0x0000000074AA0000-0x000000007525C000-memory.dmp

Download

memory/4916-12-0x0000000074262000-0x0000000074263000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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