b687bb4282cac0cdcd43f98df32b7e82107e9d8330206f411ff16e61251804c3

Analysis

max time kernel
290s
max time network
127s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
08/08/2024, 12:46

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General

Target

bin/af_proxy.dll
Size

1.7MB
MD5

1876b828eb31049b076a15ece3fd9960
SHA1

f8abe26e4cdc77e393733a850c2a3836adc21a4d
SHA256

9e437366be2161f615981b4f3d81076fe6dfe7e62acf058ce8b43da202864615
SHA512

567d384fc6890302567a55f4c3487ab494c17ed3d70da41aacbe6fc14889e4475e3f728a9514c9b1e7aa90d25c2b2698aeb8121bd8d31ea71e18eddbd2e880cb
SSDEEP

24576:vlAsXcAJlllCo7wHfAaTCYHcT+uQfYNNMtaBToYamRCL6myxEJUeVKcLid2jC:tTdmf7G1fstgT41GEJUbO62jC

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2728	3032	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 3032	2112	rundll32.exe	30
PID 2112 wrote to memory of 3032	2112	rundll32.exe	30
PID 2112 wrote to memory of 3032	2112	rundll32.exe	30
PID 2112 wrote to memory of 3032	2112	rundll32.exe	30
PID 2112 wrote to memory of 3032	2112	rundll32.exe	30
PID 2112 wrote to memory of 3032	2112	rundll32.exe	30
PID 2112 wrote to memory of 3032	2112	rundll32.exe	30
PID 3032 wrote to memory of 2728	3032	rundll32.exe	31
PID 3032 wrote to memory of 2728	3032	rundll32.exe	31
PID 3032 wrote to memory of 2728	3032	rundll32.exe	31
PID 3032 wrote to memory of 2728	3032	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\af_proxy.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\af_proxy.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3032
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3032 -s 244
    3⤵
    - Program crash
    PID:2728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3032-0-0x0000000061B80000-0x0000000061B98000-memory.dmp

Filesize
96KB

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