2901c34abe2696d087687e6176378e42153f3a745b04e20772d5fe1be6b51e2c

General

Target

2901c34abe2696d087687e6176378e42153f3a745b04e20772d5fe1be6b51e2cN.exe
Size

237KB
MD5

6148d69e096e133c2a99fd6124292ab0
SHA1

be535afaf46ff8e7cdf102e032d8081e3075b4c7
SHA256

2901c34abe2696d087687e6176378e42153f3a745b04e20772d5fe1be6b51e2c
SHA512

3ebeab2b42b8f9f4623d4179627cb7e8fe92569a0b5bb107c15fb9c0b381b1ec60b6ea0fed8b96bbf087ef4687d6427ab5062b1aa77a88d39bd8d4536aa849e9
SSDEEP

6144:BA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:BATuTAnKGwUAWVycQqgj

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
2776	2064	WerFault.exe	94
3608	2276	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	2901c34abe2696d087687e6176378e42153f3a745b04e20772d5fe1be6b51e2cN.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
2276	2901c34abe2696d087687e6176378e42153f3a745b04e20772d5fe1be6b51e2cN.exe
2276	2901c34abe2696d087687e6176378e42153f3a745b04e20772d5fe1be6b51e2cN.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2064	winver.exe
2276	2901c34abe2696d087687e6176378e42153f3a745b04e20772d5fe1be6b51e2cN.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3456	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2064	2276	2901c34abe2696d087687e6176378e42153f3a745b04e20772d5fe1be6b51e2cN.exe	94
PID 2276 wrote to memory of 2064	2276	2901c34abe2696d087687e6176378e42153f3a745b04e20772d5fe1be6b51e2cN.exe	94
PID 2276 wrote to memory of 2064	2276	2901c34abe2696d087687e6176378e42153f3a745b04e20772d5fe1be6b51e2cN.exe	94
PID 2276 wrote to memory of 2064	2276	2901c34abe2696d087687e6176378e42153f3a745b04e20772d5fe1be6b51e2cN.exe	94
PID 2064 wrote to memory of 3456	2064	winver.exe	56
PID 2276 wrote to memory of 3456	2276	2901c34abe2696d087687e6176378e42153f3a745b04e20772d5fe1be6b51e2cN.exe	56
PID 2276 wrote to memory of 2712	2276	2901c34abe2696d087687e6176378e42153f3a745b04e20772d5fe1be6b51e2cN.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2712

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3456
- C:\Users\Admin\AppData\Local\Temp\2901c34abe2696d087687e6176378e42153f3a745b04e20772d5fe1be6b51e2cN.exe
  "C:\Users\Admin\AppData\Local\Temp\2901c34abe2696d087687e6176378e42153f3a745b04e20772d5fe1be6b51e2cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2276
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2064
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 304
      4⤵
      Program crash
      PID:2776
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 884
    3⤵
    - Program crash
    PID:3608

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2064 -ip 2064
1⤵
PID:4868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2276 -ip 2276
1⤵
PID:1136

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/2276-14-0x00000000057E0000-0x00000000061E0000-memory.dmp

Filesize
10.0MB

Download
memory/2276-18-0x00000000057E0000-0x00000000061E0000-memory.dmp

Filesize
10.0MB

Download
memory/2276-3-0x00000000045D0000-0x0000000004C28000-memory.dmp

Filesize
6.3MB

Download
memory/2276-4-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/2276-5-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/2276-2-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/2276-9-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2276-1-0x00000000045D0000-0x0000000004C28000-memory.dmp

Filesize
6.3MB

Download
memory/2276-21-0x00000000045D0000-0x0000000004C28000-memory.dmp

Filesize
6.3MB

Download
memory/2712-22-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

Filesize
24KB

Download
memory/2712-15-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

Filesize
24KB

Download
memory/3456-7-0x0000000001030000-0x0000000001036000-memory.dmp

Filesize
24KB

Download
memory/3456-13-0x00000000030E0000-0x00000000030E6000-memory.dmp

Filesize
24KB

Download
memory/3456-8-0x0000000001030000-0x0000000001036000-memory.dmp

Filesize
24KB

Download

Analysis

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