asyncrat | 2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1

General

Target
2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
Size 45KB
Sample260804-tctlgstfrf
SHA256 2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1
MD5 11bd3018076a56f540056f11b933dfc5
SHA1 6b444648abdaa482f0d8907f4648e872f53d5c9c
SHA512 92e36303548c9cc03b3027d23376adae8a79e1989f5446acf2652535e56f393ff727138405756b3189d5ae38c62988c526d5d23a52f5fea845abade7ea92cd9a
SSDEEP 768:cuR0JTPUYkEWUmjWymo2q1nfkLyuObvtkjZPIuzjbYgXtige1VjqF9G9Wb1FcWh2:cuR0JTPjY2OfLuyyjWu3bPXchm9Go7dM
TLSH
T15E233C003BE9812BF2BE4F78A9F22245867BF2776603D54A1CC451DB5613FC6CA426ED
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

jphimsex.com:80
jphimsex.com:22
jphimsex.com:8080
jphimsex.com:8880
jphimsex.com:2052
jphimsex.com:2082
jphimsex.com:2086
jphimsex.com:2095
jphimsex.com:443
jphimsex.com:2053
jphimsex.com:2083
jphimsex.com:2087
jphimsex.com:2096
jphimsex.com:8443
www.jphimsex.com:80
www.jphimsex.com:22
www.jphimsex.com:8080
www.jphimsex.com:8880
www.jphimsex.com:2052
www.jphimsex.com:2082
www.jphimsex.com:2086
www.jphimsex.com:2095
www.jphimsex.com:443
www.jphimsex.com:2053
www.jphimsex.com:2083
www.jphimsex.com:2087
www.jphimsex.com:2096
www.jphimsex.com:8443
connect.jphimsex.com:80
connect.jphimsex.com:22
connect.jphimsex.com:8080
connect.jphimsex.com:8880
connect.jphimsex.com:2052
connect.jphimsex.com:2082
connect.jphimsex.com:2086
connect.jphimsex.com:2095
connect.jphimsex.com:443
connect.jphimsex.com:2053
connect.jphimsex.com:2083
connect.jphimsex.com:2087
connect.jphimsex.com:2096
connect.jphimsex.com:8443
conficker.jphimsex.com:80
conficker.jphimsex.com:22
conficker.jphimsex.com:8080
conficker.jphimsex.com:8880
conficker.jphimsex.com:2052
conficker.jphimsex.com:2082
conficker.jphimsex.com:2086
conficker.jphimsex.com:2095
conficker.jphimsex.com:443
conficker.jphimsex.com:2053
conficker.jphimsex.com:2083
conficker.jphimsex.com:2087
conficker.jphimsex.com:2096
conficker.jphimsex.com:8443
malware.jphimsex.com:80
malware.jphimsex.com:22
malware.jphimsex.com:8080
malware.jphimsex.com:8880
malware.jphimsex.com:2052
malware.jphimsex.com:2082
malware.jphimsex.com:2086
malware.jphimsex.com:2095
malware.jphimsex.com:443
malware.jphimsex.com:2053
malware.jphimsex.com:2083
malware.jphimsex.com:2087
malware.jphimsex.com:2096
malware.jphimsex.com:8443

Mutex

pHUpk7TjS8TM

Attributes

delay
0
install
true
install_file
m68q.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 2 IoCs

rat

resource	yara_rule
behavioral1/files/0x000a000000024381-8.dat	family_asyncrat
behavioral1/memory/4572-10-0x0000000004FA0000-0x0000000004FB0000-memory.dmp	family_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-1-5-21-2370214745-1838013427-2987045292-1000\Control Panel\International\Geo\Nation	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe

Executes dropped EXE 2 IoCs

pid	Process
4572	m68q.exe
4728	m68q.exe

Outbound SSH connection to public host 2 TTPs 4 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	pid	Process
SSH destination	30	172.67.189.161:22	4572	m68q.exe
SSH destination	47	104.21.81.141:22	4572	m68q.exe
SSH destination	57	172.67.189.161:22	4572	m68q.exe
SSH destination	66	104.21.81.141:22	4572	m68q.exe

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
684	cmd.exe
4712	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	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
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	m68q.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	m68q.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4416	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
3328	schtasks.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
Token: SeDebugPrivilege	4572	m68q.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4360 wrote to memory of 684	4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe	85
PID 4360 wrote to memory of 4712	4360	2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe	87
PID 4712 wrote to memory of 4416	4712	cmd.exe	89
PID 684 wrote to memory of 3328	684	cmd.exe	90
PID 4712 wrote to memory of 4728	4712	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe
"C:\Users\Admin\AppData\Local\Temp\2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4360
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "m68q" /tr '"C:\Users\Admin\AppData\Roaming\m68q.exe"' & exit
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:684
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "m68q" /tr '"C:\Users\Admin\AppData\Roaming\m68q.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3328
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6F0.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4712
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4416
- - C:\Users\Admin\AppData\Roaming\m68q.exe
    "C:\Users\Admin\AppData\Roaming\m68q.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:4728

C:\Users\Admin\AppData\Roaming\m68q.exe
"C:\Users\Admin\AppData\Roaming\m68q.exe"
1⤵
- Executes dropped EXE
- Outbound SSH connection to public host
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4572

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

Query Registry

System Information Discovery

2

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

tmp6F0.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp6F0.tmp.bat
Size 147B
SHA256 7965ecd08a94c1f3558a62f945b4f66d9ec07cefcbd0da70e79f8c6e5bc9613e
MD5 bff0a82f3eb9c4f9cac3ad9ef71bfec3
SHA1 bec1a712f78ac833537ff512cf45e30dbcc295d0
SHA512 e8e14eb7af6795aef833be82542df073cf1539692f017e5ee197cdabff1d9689031e79b86b6bde4ea76bd767154eb63b50c3268d482a604952353fa1b09b93a2
TLSH
T1DEC02B8351C5EE4E2805641706FBD5CC91B26C193F44BF00C308401D12C085CF0D93C2
MD5 SHA1 SHA512 TLSH

Submit Download

m68q.exe

Path C:\Users\Admin\AppData\Roaming\m68q.exe
Size 45KB
SHA256 2e49cc633eec3d99df6af818cddf29c571ae419170859263a0ef483208b608a1
MD5 11bd3018076a56f540056f11b933dfc5
SHA1 6b444648abdaa482f0d8907f4648e872f53d5c9c
SHA512 92e36303548c9cc03b3027d23376adae8a79e1989f5446acf2652535e56f393ff727138405756b3189d5ae38c62988c526d5d23a52f5fea845abade7ea92cd9a
SSDEEP 768:cuR0JTPUYkEWUmjWymo2q1nfkLyuObvtkjZPIuzjbYgXtige1VjqF9G9Wb1FcWh2:cuR0JTPjY2OfLuyyjWu3bPXchm9Go7dM
TLSH
T15E233C003BE9812BF2BE4F78A9F22245867BF2776603D54A1CC451DB5613FC6CA426ED
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4360-0-0x00000000002C0000-0x00000000002D2000-memory.dmp

Download

memory/4360-1-0x00000000025B0000-0x00000000025C0000-memory.dmp

Download

memory/4360-2-0x0000000004B50000-0x0000000004BEC000-memory.dmp

Download

memory/4572-10-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

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memory/4572-13-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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