2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471

General

Target

2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe
Size

610KB
MD5

7f36399c44d00c1d3a80df0f20d8c025
SHA1

471d8e5511f58a37f8f4f4936cc2ceb9773abea4
SHA256

2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471
SHA512

3b28ee3b4806d42abe89673ce92599b4323b2f4e0828b1ea3f0931a6fc17a8395744cee6ba50fe38203f839c5d51dbac05b646872a129132511528fc931353c5
SSDEEP

12288:RATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:zT+KjUdQqboyyWoK1NGqzuhb

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2736	904	WerFault.exe	102
3928	4872	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 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	2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4872	2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe
4872	2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE
Token: SeShutdownPrivilege	3544	Explorer.EXE
Token: SeCreatePagefilePrivilege	3544	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
904	winver.exe
4872	2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4872 wrote to memory of 904	4872	2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe	102
PID 4872 wrote to memory of 904	4872	2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe	102
PID 4872 wrote to memory of 904	4872	2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe	102
PID 4872 wrote to memory of 904	4872	2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe	102
PID 904 wrote to memory of 3544	904	winver.exe	56
PID 4872 wrote to memory of 3544	4872	2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe	56
PID 4872 wrote to memory of 2588	4872	2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2588

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3544
- C:\Users\Admin\AppData\Local\Temp\2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe
  "C:\Users\Admin\AppData\Local\Temp\2da5be2a7cc6cd8cf795aecdeaa3bf9a38e8ccb8d88163670558ab33cc18c471.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4872
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:904
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 904 -s 300
      4⤵
      Program crash
      PID:2736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 856
    3⤵
    - Program crash
    PID:3928

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 904 -ip 904
1⤵
PID:1672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4872 -ip 4872
1⤵
PID:1980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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/2588-22-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/2588-16-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/3544-7-0x0000000000C80000-0x0000000000C86000-memory.dmp

Filesize
24KB

Download
memory/3544-14-0x0000000000C90000-0x0000000000C96000-memory.dmp

Filesize
24KB

Download
memory/3544-8-0x0000000000C80000-0x0000000000C86000-memory.dmp

Filesize
24KB

Download
memory/4872-4-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/4872-5-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/4872-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4872-1-0x0000000004590000-0x0000000004BE8000-memory.dmp

Filesize
6.3MB

Download
memory/4872-13-0x0000000005AA0000-0x00000000064A0000-memory.dmp

Filesize
10.0MB

Download
memory/4872-3-0x0000000004590000-0x0000000004BE8000-memory.dmp

Filesize
6.3MB

Download
memory/4872-17-0x0000000005AA0000-0x00000000064A0000-memory.dmp

Filesize
10.0MB

Download
memory/4872-21-0x0000000004590000-0x0000000004BE8000-memory.dmp

Filesize
6.3MB

Download
memory/4872-2-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download

Analysis

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