1dfb125e812e6c3cbcd24d78c1da549c4af7220ab6dfc323a7c44149249cdbed

General

Target

1dfb125e812e6c3cbcd24d78c1da549c4af7220ab6dfc323a7c44149249cdbedN.exe
Size

225KB
MD5

6e15445fdf95bee026ee3e1ad97e3de0
SHA1

80585b0b24763038ae26a6d3870fdb05192a92b9
SHA256

1dfb125e812e6c3cbcd24d78c1da549c4af7220ab6dfc323a7c44149249cdbed
SHA512

188989584ebcfe9eef3ff07230a8452af4b543efab04cd26bea4f593ff0dc8d39654cee762a2747ea19d71929df1a7ce01e18b428adebef2aee975e53a7510c8
SSDEEP

6144:+A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:+ATuTAnKGwUAW3ycQqgf

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
1476	4236	WerFault.exe	93
3344	4292	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	1dfb125e812e6c3cbcd24d78c1da549c4af7220ab6dfc323a7c44149249cdbedN.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
4292	1dfb125e812e6c3cbcd24d78c1da549c4af7220ab6dfc323a7c44149249cdbedN.exe
4292	1dfb125e812e6c3cbcd24d78c1da549c4af7220ab6dfc323a7c44149249cdbedN.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4236	winver.exe
4292	1dfb125e812e6c3cbcd24d78c1da549c4af7220ab6dfc323a7c44149249cdbedN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4292 wrote to memory of 4236	4292	1dfb125e812e6c3cbcd24d78c1da549c4af7220ab6dfc323a7c44149249cdbedN.exe	93
PID 4292 wrote to memory of 4236	4292	1dfb125e812e6c3cbcd24d78c1da549c4af7220ab6dfc323a7c44149249cdbedN.exe	93
PID 4292 wrote to memory of 4236	4292	1dfb125e812e6c3cbcd24d78c1da549c4af7220ab6dfc323a7c44149249cdbedN.exe	93
PID 4292 wrote to memory of 4236	4292	1dfb125e812e6c3cbcd24d78c1da549c4af7220ab6dfc323a7c44149249cdbedN.exe	93
PID 4236 wrote to memory of 3424	4236	winver.exe	55
PID 4292 wrote to memory of 3424	4292	1dfb125e812e6c3cbcd24d78c1da549c4af7220ab6dfc323a7c44149249cdbedN.exe	55
PID 4292 wrote to memory of 2640	4292	1dfb125e812e6c3cbcd24d78c1da549c4af7220ab6dfc323a7c44149249cdbedN.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2640

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3424
- C:\Users\Admin\AppData\Local\Temp\1dfb125e812e6c3cbcd24d78c1da549c4af7220ab6dfc323a7c44149249cdbedN.exe
  "C:\Users\Admin\AppData\Local\Temp\1dfb125e812e6c3cbcd24d78c1da549c4af7220ab6dfc323a7c44149249cdbedN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4292
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4236
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4236 -s 300
      4⤵
      Program crash
      PID:1476
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4292 -s 868
    3⤵
    - Program crash
    PID:3344

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 4236 -ip 4236
1⤵
PID:4704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4292 -ip 4292
1⤵
PID:2492

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/2640-14-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/2640-20-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3424-5-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/3424-6-0x0000000002D40000-0x0000000002D46000-memory.dmp

Filesize
24KB

Download
memory/3424-12-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/4292-1-0x0000000004790000-0x0000000004DE8000-memory.dmp

Filesize
6.3MB

Download
memory/4292-2-0x0000000003EC0000-0x0000000003EC1000-memory.dmp

Filesize
4KB

Download
memory/4292-3-0x0000000004790000-0x0000000004DE8000-memory.dmp

Filesize
6.3MB

Download
memory/4292-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4292-11-0x0000000005BA0000-0x00000000065A0000-memory.dmp

Filesize
10.0MB

Download
memory/4292-15-0x0000000005BA0000-0x00000000065A0000-memory.dmp

Filesize
10.0MB

Download
memory/4292-19-0x0000000004790000-0x0000000004DE8000-memory.dmp

Filesize
6.3MB

Download

Analysis

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