2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530a

General

Target

2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530a.exe
Size

225KB
MD5

7a121fe6a2c7e10f14720145bbedcbb0
SHA1

c5a13fd60ac10ce836c9a5ae5c10baa7df2a5d36
SHA256

2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530a
SHA512

4012243dfb34237fdc5e5cd295857b87ae5c5bf1783ebe9f65856adbc8e1484bdcfbc399da8e60fc2779767f1b868dc06eaabf067b3ba3d37c8a854d5d7f0f18
SSDEEP

6144:6A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:6ATuTAnKGwUAW3ycQqgf

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
5088	1928	WerFault.exe	103
4916	2596	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	2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530a.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
2596	2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530a.exe
2596	2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530a.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2836	Explorer.EXE
Token: SeCreatePagefilePrivilege	2836	Explorer.EXE
Token: SeShutdownPrivilege	2836	Explorer.EXE
Token: SeCreatePagefilePrivilege	2836	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1928	winver.exe
2596	2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530a.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 1928	2596	2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530a.exe	103
PID 2596 wrote to memory of 1928	2596	2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530a.exe	103
PID 2596 wrote to memory of 1928	2596	2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530a.exe	103
PID 2596 wrote to memory of 1928	2596	2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530a.exe	103
PID 1928 wrote to memory of 2836	1928	winver.exe	54
PID 2596 wrote to memory of 2836	2596	2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530a.exe	54
PID 2596 wrote to memory of 2528	2596	2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530a.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2528

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2836
- C:\Users\Admin\AppData\Local\Temp\2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530a.exe
  "C:\Users\Admin\AppData\Local\Temp\2f5f9c9f15797c49d14d61b9cbb83270333ec1a357c10d37ccc55d7ee7d1530a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1928
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 300
      4⤵
      Program crash
      PID:5088
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 976
    3⤵
    - Program crash
    PID:4916

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1928 -ip 1928
1⤵
PID:4036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2596 -ip 2596
1⤵
PID:4324

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/2528-18-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/2528-24-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/2596-5-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/2596-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2596-1-0x0000000004690000-0x0000000004CE8000-memory.dmp

Filesize
6.3MB

Download
memory/2596-6-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/2596-7-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/2596-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/2596-23-0x0000000004690000-0x0000000004CE8000-memory.dmp

Filesize
6.3MB

Download
memory/2596-4-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/2596-20-0x0000000005AA0000-0x00000000064A0000-memory.dmp

Filesize
10.0MB

Download
memory/2596-15-0x0000000005AA0000-0x00000000064A0000-memory.dmp

Filesize
10.0MB

Download
memory/2596-3-0x0000000004690000-0x0000000004CE8000-memory.dmp

Filesize
6.3MB

Download
memory/2836-16-0x00000000012B0000-0x00000000012B6000-memory.dmp

Filesize
24KB

Download
memory/2836-10-0x00000000012A0000-0x00000000012A6000-memory.dmp

Filesize
24KB

Download
memory/2836-9-0x00000000012A0000-0x00000000012A6000-memory.dmp

Filesize
24KB

Download

Analysis

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