6b44063e2d46431859f99c03a54b4dedbab16814167019571dc7762159af4024

General

Target

6b44063e2d46431859f99c03a54b4dedbab16814167019571dc7762159af4024N.exe
Size

225KB
MD5

a7f5deb3f95185d7f577797d3430b400
SHA1

5d0b20bf10448a1ba1cac960e86bcdba9e4deb27
SHA256

6b44063e2d46431859f99c03a54b4dedbab16814167019571dc7762159af4024
SHA512

707d557e4d03c8c86bd1e4ba54199a31727b3df4a619ae8ee4df037dd62f12fdd7a5d547b9a59ac522ecd26fcbff1a76fbcfd160aa418e65612ebc7243a1ea0c
SSDEEP

6144:IA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:IATuTAnKGwUAW3ycQqgf

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
1548	4836	WerFault.exe	93
3304	2424	WerFault.exe	81

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	6b44063e2d46431859f99c03a54b4dedbab16814167019571dc7762159af4024N.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
2424	6b44063e2d46431859f99c03a54b4dedbab16814167019571dc7762159af4024N.exe
2424	6b44063e2d46431859f99c03a54b4dedbab16814167019571dc7762159af4024N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4836	winver.exe
2424	6b44063e2d46431859f99c03a54b4dedbab16814167019571dc7762159af4024N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 4836	2424	6b44063e2d46431859f99c03a54b4dedbab16814167019571dc7762159af4024N.exe	93
PID 2424 wrote to memory of 4836	2424	6b44063e2d46431859f99c03a54b4dedbab16814167019571dc7762159af4024N.exe	93
PID 2424 wrote to memory of 4836	2424	6b44063e2d46431859f99c03a54b4dedbab16814167019571dc7762159af4024N.exe	93
PID 2424 wrote to memory of 4836	2424	6b44063e2d46431859f99c03a54b4dedbab16814167019571dc7762159af4024N.exe	93
PID 4836 wrote to memory of 3408	4836	winver.exe	55
PID 2424 wrote to memory of 3408	2424	6b44063e2d46431859f99c03a54b4dedbab16814167019571dc7762159af4024N.exe	55
PID 2424 wrote to memory of 3004	2424	6b44063e2d46431859f99c03a54b4dedbab16814167019571dc7762159af4024N.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3004

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3408
- C:\Users\Admin\AppData\Local\Temp\6b44063e2d46431859f99c03a54b4dedbab16814167019571dc7762159af4024N.exe
  "C:\Users\Admin\AppData\Local\Temp\6b44063e2d46431859f99c03a54b4dedbab16814167019571dc7762159af4024N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4836
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 300
      4⤵
      Program crash
      PID:1548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2424 -s 932
    3⤵
    - Program crash
    PID:3304

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4836 -ip 4836
1⤵
PID:2544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2424 -ip 2424
1⤵
PID:4092

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/2424-12-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/2424-21-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/2424-3-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/2424-4-0x0000000003D00000-0x0000000003D01000-memory.dmp

Filesize
4KB

Download
memory/2424-5-0x0000000003D00000-0x0000000003D01000-memory.dmp

Filesize
4KB

Download
memory/2424-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2424-18-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/2424-1-0x0000000004660000-0x0000000004CB8000-memory.dmp

Filesize
6.3MB

Download
memory/2424-2-0x0000000003D00000-0x0000000003D01000-memory.dmp

Filesize
4KB

Download
memory/3004-16-0x0000000000030000-0x0000000000036000-memory.dmp

Filesize
24KB

Download
memory/3004-22-0x0000000000030000-0x0000000000036000-memory.dmp

Filesize
24KB

Download
memory/3408-8-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download
memory/3408-13-0x0000000000D50000-0x0000000000D56000-memory.dmp

Filesize
24KB

Download
memory/3408-7-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download

Analysis

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