a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368

General

Target

a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe
Size

164KB
MD5

aaa769c0ba3ae00242f5a9073d2fd77b
SHA1

715d5fea66607ebe2f806aaa5f920b83c8834f49
SHA256

a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368
SHA512

60e98fc9c488e1918914fbb3a49fd5d8cd0af55b6df92ec9af5516f173d3962bf894e7c7045450215908b17294d93f0b038fe59602e3f859db22e8c7d7ba0eea
SSDEEP

3072:GBLOSC0BiaynVRNNFwaSNDe1Fclgr+0StmnJza3yD/CLO:BSC0Bf8wve1FbRWmYi4O

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4652 set thread context of 1892	4652	a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2288	4192	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 3 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	a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4652	a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe
4652	a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe
4192	winver.exe
4192	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4192	winver.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4652	a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe
4652	a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3504	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4652 wrote to memory of 1892	4652	a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe	85
PID 4652 wrote to memory of 1892	4652	a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe	85
PID 4652 wrote to memory of 1892	4652	a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe	85
PID 4652 wrote to memory of 1892	4652	a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe	85
PID 4652 wrote to memory of 1892	4652	a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe	85
PID 4652 wrote to memory of 1892	4652	a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe	85
PID 4652 wrote to memory of 1892	4652	a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe	85
PID 1892 wrote to memory of 4192	1892	a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe	86
PID 1892 wrote to memory of 4192	1892	a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe	86
PID 1892 wrote to memory of 4192	1892	a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe	86
PID 1892 wrote to memory of 4192	1892	a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe	86
PID 4192 wrote to memory of 3504	4192	winver.exe	56
PID 4192 wrote to memory of 2532	4192	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2532

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3504
- C:\Users\Admin\AppData\Local\Temp\a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe
  "C:\Users\Admin\AppData\Local\Temp\a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4652
- - C:\Users\Admin\AppData\Local\Temp\a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe
    C:\Users\Admin\AppData\Local\Temp\a1358bbe4e82bd17ddb26c066b4cb1a4fcd33ec54ccc7471e03c547c78273368.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1892
  - - C:\Windows\SysWOW64\winver.exe
      winver
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:4192
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4192 -s 396
        5⤵
        Program crash
        
        PID:2288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4192 -ip 4192
1⤵
PID:1528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1892-1-0x0000000000400000-0x000000000149A000-memory.dmp

Filesize
16.6MB

Download
memory/1892-6-0x0000000000400000-0x0000000000404400-memory.dmp

Filesize
17KB

Download
memory/2532-14-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2532-13-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/3504-10-0x00007FF949F80000-0x00007FF949F81000-memory.dmp

Filesize
4KB

Download
memory/3504-5-0x0000000002660000-0x0000000002666000-memory.dmp

Filesize
24KB

Download
memory/3504-2-0x0000000002660000-0x0000000002666000-memory.dmp

Filesize
24KB

Download
memory/3504-8-0x00007FF949DED000-0x00007FF949DEE000-memory.dmp

Filesize
4KB

Download
memory/4192-3-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/4192-9-0x00007FF949D50000-0x00007FF949F45000-memory.dmp

Filesize
2.0MB

Download
memory/4192-7-0x0000000077862000-0x0000000077863000-memory.dmp

Filesize
4KB

Download
memory/4192-15-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/4652-0-0x0000000000A90000-0x0000000000A94000-memory.dmp

Filesize
16KB

Download

Analysis

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