7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84

General

Target

7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe
Size

225KB
MD5

ba5293c1c050683e3c463793e6d41c20
SHA1

d5af53ce1019b9a01518c708059d7d59e3818caf
SHA256

7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84
SHA512

b9c8cd1e82e63ddfebcc7110b6f38fa5f472e4c1b87aaaf00c0d8e5d9e17639e636b0a88ed7c4b8edaceec1ea06003766db49eb94d1980bb648a1dc68d758e6e
SSDEEP

6144:vA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:vATuTAnKGwUAW3ycQqgf

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
3364	4844	WerFault.exe	100
3584	1600	WerFault.exe	83

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	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.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

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 26 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4844	winver.exe
1600	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3452	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 4844	1600	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe	100
PID 1600 wrote to memory of 4844	1600	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe	100
PID 1600 wrote to memory of 4844	1600	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe	100
PID 1600 wrote to memory of 4844	1600	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe	100
PID 4844 wrote to memory of 3452	4844	winver.exe	54
PID 1600 wrote to memory of 3452	1600	7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe	54

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3452
- C:\Users\Admin\AppData\Local\Temp\7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe
  "C:\Users\Admin\AppData\Local\Temp\7fd7521c7eb1afe25a4732c9794a908b5fe0ef30495d068588448a560456af84N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1600
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4844
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4844 -s 300
      4⤵
      Program crash
      PID:3364
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 808
    3⤵
    - Program crash
    PID:3584

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4844 -ip 4844
1⤵
PID:2220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1600 -ip 1600
1⤵
PID:4412

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/1600-7-0x0000000003D90000-0x0000000003D91000-memory.dmp

Filesize
4KB

Download
memory/1600-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/1600-3-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/1600-4-0x00000000045B0000-0x0000000004C08000-memory.dmp

Filesize
6.3MB

Download
memory/1600-5-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/1600-6-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/1600-1-0x00000000045B0000-0x0000000004C08000-memory.dmp

Filesize
6.3MB

Download
memory/1600-8-0x0000000003D90000-0x0000000003D91000-memory.dmp

Filesize
4KB

Download
memory/1600-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1600-18-0x00000000045B0000-0x0000000004C08000-memory.dmp

Filesize
6.3MB

Download
memory/3452-10-0x0000000001270000-0x0000000001276000-memory.dmp

Filesize
24KB

Download
memory/3452-11-0x0000000001270000-0x0000000001276000-memory.dmp

Filesize
24KB

Download
memory/3452-15-0x0000000003000000-0x0000000003006000-memory.dmp

Filesize
24KB

Download

Analysis

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