asyncrat | cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92

General

Target

cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
Size

61KB
MD5

a2c0aac6a28d606b4e0e6b9b2c9010d2
SHA1

68fd191a7a8f91b8c2dc719a508f45d44c634071
SHA256

cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92
SHA512

9a340cf7084598fadef7e335b7fd8f7b60e55a83e0d41ff2d3381d190a8c507dd876faf52b4b411054bf4ba768c982707eef3d957d8393eccc3210dfcf6749cc
SSDEEP

1536:8F8JsI94/CcIAVBjl03bCPSirh18n3bNEx+:m8JsZCcIAzjl03bCPrh18rNEE

Score

10^/10

asyncrat discovery rat

Malware Config

Signatures

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

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x000400000001e748-11.dat	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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe

Executes dropped EXE 1 IoCs

pid	Process
1656	girlshelpgirls3.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	girlshelpgirls3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
5020	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
4532	schtasks.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
Token: SeDebugPrivilege	1656	girlshelpgirls3.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 1664	2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe	86
PID 2988 wrote to memory of 1664	2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe	86
PID 2988 wrote to memory of 1664	2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe	86
PID 2988 wrote to memory of 4084	2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe	88
PID 2988 wrote to memory of 4084	2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe	88
PID 2988 wrote to memory of 4084	2988	cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe	88
PID 4084 wrote to memory of 5020	4084	cmd.exe	90
PID 4084 wrote to memory of 5020	4084	cmd.exe	90
PID 4084 wrote to memory of 5020	4084	cmd.exe	90
PID 1664 wrote to memory of 4532	1664	cmd.exe	91
PID 1664 wrote to memory of 4532	1664	cmd.exe	91
PID 1664 wrote to memory of 4532	1664	cmd.exe	91
PID 4084 wrote to memory of 1656	4084	cmd.exe	97
PID 4084 wrote to memory of 1656	4084	cmd.exe	97
PID 4084 wrote to memory of 1656	4084	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe
"C:\Users\Admin\AppData\Local\Temp\cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "girlshelpgirls3" /tr '"C:\Users\Admin\AppData\Roaming\girlshelpgirls3.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1664
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "girlshelpgirls3" /tr '"C:\Users\Admin\AppData\Roaming\girlshelpgirls3.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4532
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpE445.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4084
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:5020
- - C:\Users\Admin\AppData\Roaming\girlshelpgirls3.exe
    "C:\Users\Admin\AppData\Roaming\girlshelpgirls3.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1656

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

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE445.tmp.bat

Filesize
159B

MD5
1ae40f6c81e256f2f5e4207078a913bf

SHA1
6aa5195fbfd2aab2b7c929e3683ca87edbeb1ec0

SHA256
5a6ada6e3fa94d3f5725dac96e0739a2df64182e25e0ec2c8f30699f184f1906

SHA512
b982f8dceb4bc0025767828133e37e5fa9cdafeeebeece6b4e37c5068ca69bc14981b30d6f05dc223f1746c518571c946c078b32e39b4ca453d5b484d5cf4709

Download Submit
C:\Users\Admin\AppData\Roaming\girlshelpgirls3.exe

Filesize
61KB

MD5
a2c0aac6a28d606b4e0e6b9b2c9010d2

SHA1
68fd191a7a8f91b8c2dc719a508f45d44c634071

SHA256
cd15ddd8aa45ad1acc1bf1909db65a38ae8581e249eb06c1148b54e4d1db7e92

SHA512
9a340cf7084598fadef7e335b7fd8f7b60e55a83e0d41ff2d3381d190a8c507dd876faf52b4b411054bf4ba768c982707eef3d957d8393eccc3210dfcf6749cc

Download Submit
memory/1656-13-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/1656-14-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/2988-0-0x00000000748AE000-0x00000000748AF000-memory.dmp

Filesize
4KB

Download
memory/2988-1-0x0000000000340000-0x0000000000356000-memory.dmp

Filesize
88KB

Download
memory/2988-2-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download
memory/2988-3-0x0000000004D50000-0x0000000004DEC000-memory.dmp

Filesize
624KB

Download
memory/2988-9-0x00000000748A0000-0x0000000075050000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads