c7a447dc80bb548b4c29bdda1994e6413434294d5c2922055db58714c41613b5

General

Target

c7a447dc80bb548b4c29bdda1994e6413434294d5c2922055db58714c41613b5N.exe
Size

225KB
MD5

1a8ce5d843660105a0b4c45b1cca4be0
SHA1

f4ed5b4964a4b7ff2646180aa4e24004cbedaa8d
SHA256

c7a447dc80bb548b4c29bdda1994e6413434294d5c2922055db58714c41613b5
SHA512

96037e82a7c7b806dafd25be58d1d00b2706e8bcbb9759bfdeca61bb092622e5341d633cf88654e6c10478a85169a2bab43e9e727b4c4c0e565dc98fa1f7115e
SSDEEP

6144:RA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:RATuTAnKGwUAW3ycQqgf

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
456	3576	WerFault.exe	93
4244	4400	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	c7a447dc80bb548b4c29bdda1994e6413434294d5c2922055db58714c41613b5N.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
4400	c7a447dc80bb548b4c29bdda1994e6413434294d5c2922055db58714c41613b5N.exe
4400	c7a447dc80bb548b4c29bdda1994e6413434294d5c2922055db58714c41613b5N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3352	Explorer.EXE
Token: SeCreatePagefilePrivilege	3352	Explorer.EXE
Token: SeShutdownPrivilege	3352	Explorer.EXE
Token: SeCreatePagefilePrivilege	3352	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3576	winver.exe
4400	c7a447dc80bb548b4c29bdda1994e6413434294d5c2922055db58714c41613b5N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4400 wrote to memory of 3576	4400	c7a447dc80bb548b4c29bdda1994e6413434294d5c2922055db58714c41613b5N.exe	93
PID 4400 wrote to memory of 3576	4400	c7a447dc80bb548b4c29bdda1994e6413434294d5c2922055db58714c41613b5N.exe	93
PID 4400 wrote to memory of 3576	4400	c7a447dc80bb548b4c29bdda1994e6413434294d5c2922055db58714c41613b5N.exe	93
PID 4400 wrote to memory of 3576	4400	c7a447dc80bb548b4c29bdda1994e6413434294d5c2922055db58714c41613b5N.exe	93
PID 3576 wrote to memory of 3352	3576	winver.exe	55
PID 4400 wrote to memory of 3352	4400	c7a447dc80bb548b4c29bdda1994e6413434294d5c2922055db58714c41613b5N.exe	55
PID 4400 wrote to memory of 2572	4400	c7a447dc80bb548b4c29bdda1994e6413434294d5c2922055db58714c41613b5N.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2572

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3352
- C:\Users\Admin\AppData\Local\Temp\c7a447dc80bb548b4c29bdda1994e6413434294d5c2922055db58714c41613b5N.exe
  "C:\Users\Admin\AppData\Local\Temp\c7a447dc80bb548b4c29bdda1994e6413434294d5c2922055db58714c41613b5N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4400
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3576
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 300
      4⤵
      Program crash
      PID:456
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 856
    3⤵
    - Program crash
    PID:4244

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3576 -ip 3576
1⤵
PID:1504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4400 -ip 4400
1⤵
PID:3196

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/2572-21-0x00000000009F0000-0x00000000009F6000-memory.dmp

Filesize
24KB

Download
memory/2572-15-0x00000000009F0000-0x00000000009F6000-memory.dmp

Filesize
24KB

Download
memory/3352-7-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/3352-12-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/3352-6-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/4400-4-0x0000000003DC0000-0x0000000003DC1000-memory.dmp

Filesize
4KB

Download
memory/4400-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4400-1-0x0000000004620000-0x0000000004C78000-memory.dmp

Filesize
6.3MB

Download
memory/4400-13-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/4400-3-0x0000000004620000-0x0000000004C78000-memory.dmp

Filesize
6.3MB

Download
memory/4400-17-0x0000000005A70000-0x0000000006470000-memory.dmp

Filesize
10.0MB

Download
memory/4400-20-0x0000000004620000-0x0000000004C78000-memory.dmp

Filesize
6.3MB

Download
memory/4400-2-0x0000000003DC0000-0x0000000003DC1000-memory.dmp

Filesize
4KB

Download

Analysis

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