22048b7b07541567c3651cf2758d835f6e9b4fc26b2b75c42ee678cebf19c2b1

General

Target

22048b7b07541567c3651cf2758d835f6e9b4fc26b2b75c42ee678cebf19c2b1.exe
Size

225KB
MD5

3c854b10130dd3fa1a37b0db20d9c74b
SHA1

74808c49dc7f2533cc67d762d862b16bf339b7ad
SHA256

22048b7b07541567c3651cf2758d835f6e9b4fc26b2b75c42ee678cebf19c2b1
SHA512

8affd4e1e591ee6507e1e40f230adc08819c1495e6547c185fd85ae82aceb18b4c33570e3f9cd3892f62ff59d26ae9eb18aef69c51fff49d8aff32433f3481c0
SSDEEP

6144:IA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0: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
1692	3160	WerFault.exe	93
1468	2204	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	22048b7b07541567c3651cf2758d835f6e9b4fc26b2b75c42ee678cebf19c2b1.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
2204	22048b7b07541567c3651cf2758d835f6e9b4fc26b2b75c42ee678cebf19c2b1.exe
2204	22048b7b07541567c3651cf2758d835f6e9b4fc26b2b75c42ee678cebf19c2b1.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3160	winver.exe
2204	22048b7b07541567c3651cf2758d835f6e9b4fc26b2b75c42ee678cebf19c2b1.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 3160	2204	22048b7b07541567c3651cf2758d835f6e9b4fc26b2b75c42ee678cebf19c2b1.exe	93
PID 2204 wrote to memory of 3160	2204	22048b7b07541567c3651cf2758d835f6e9b4fc26b2b75c42ee678cebf19c2b1.exe	93
PID 2204 wrote to memory of 3160	2204	22048b7b07541567c3651cf2758d835f6e9b4fc26b2b75c42ee678cebf19c2b1.exe	93
PID 2204 wrote to memory of 3160	2204	22048b7b07541567c3651cf2758d835f6e9b4fc26b2b75c42ee678cebf19c2b1.exe	93
PID 3160 wrote to memory of 3436	3160	winver.exe	56
PID 2204 wrote to memory of 3436	2204	22048b7b07541567c3651cf2758d835f6e9b4fc26b2b75c42ee678cebf19c2b1.exe	56
PID 2204 wrote to memory of 2428	2204	22048b7b07541567c3651cf2758d835f6e9b4fc26b2b75c42ee678cebf19c2b1.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2428

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\22048b7b07541567c3651cf2758d835f6e9b4fc26b2b75c42ee678cebf19c2b1.exe
  "C:\Users\Admin\AppData\Local\Temp\22048b7b07541567c3651cf2758d835f6e9b4fc26b2b75c42ee678cebf19c2b1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2204
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3160
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3160 -s 300
      4⤵
      Program crash
      PID:1692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 976
    3⤵
    - Program crash
    PID:1468

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 3160 -ip 3160
1⤵
PID:1436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 2204 -ip 2204
1⤵
PID:4124

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

Loading Replay Monitor...

Downloads

memory/2204-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2204-2-0x00000000045E0000-0x00000000045E1000-memory.dmp

Filesize
4KB

Download
memory/2204-3-0x0000000004770000-0x0000000004DC8000-memory.dmp

Filesize
6.3MB

Download
memory/2204-4-0x00000000045E0000-0x00000000045E1000-memory.dmp

Filesize
4KB

Download
memory/2204-1-0x0000000004770000-0x0000000004DC8000-memory.dmp

Filesize
6.3MB

Download
memory/2204-11-0x0000000005B80000-0x0000000006580000-memory.dmp

Filesize
10.0MB

Download
memory/2204-16-0x0000000005B80000-0x0000000006580000-memory.dmp

Filesize
10.0MB

Download
memory/2204-20-0x0000000004770000-0x0000000004DC8000-memory.dmp

Filesize
6.3MB

Download
memory/2428-15-0x0000000000FA0000-0x0000000000FA6000-memory.dmp

Filesize
24KB

Download
memory/2428-21-0x0000000000FA0000-0x0000000000FA6000-memory.dmp

Filesize
24KB

Download
memory/3436-6-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download
memory/3436-7-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download
memory/3436-12-0x0000000000910000-0x0000000000916000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing