3b2f37463c9dd349dd30c6a81833ba97bb504f77a2a6510bd675d46b33a0c761

General

Target

3b2f37463c9dd349dd30c6a81833ba97bb504f77a2a6510bd675d46b33a0c761.exe
Size

225KB
MD5

5ee89aff2f036f4299c4e3799e7f0a93
SHA1

5bcfe491e1a2fe65f43a0e740d24ceab14ec3fee
SHA256

3b2f37463c9dd349dd30c6a81833ba97bb504f77a2a6510bd675d46b33a0c761
SHA512

b92a33610073a1ab2d3aed733ba19bed11763fdc8f011aeb0840de94321d9c1f9972e41bb3a4f787398316769d26e023cef340fbd42bdd5dd0e5c8c797f2136f
SSDEEP

6144:IA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:IATuTAnKGwUAW3ycQqg1

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
1928	4392	WerFault.exe	94
2540	4592	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	3b2f37463c9dd349dd30c6a81833ba97bb504f77a2a6510bd675d46b33a0c761.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
4592	3b2f37463c9dd349dd30c6a81833ba97bb504f77a2a6510bd675d46b33a0c761.exe
4592	3b2f37463c9dd349dd30c6a81833ba97bb504f77a2a6510bd675d46b33a0c761.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3560	Explorer.EXE
Token: SeCreatePagefilePrivilege	3560	Explorer.EXE
Token: SeShutdownPrivilege	3560	Explorer.EXE
Token: SeCreatePagefilePrivilege	3560	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4392	winver.exe
4592	3b2f37463c9dd349dd30c6a81833ba97bb504f77a2a6510bd675d46b33a0c761.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4592 wrote to memory of 4392	4592	3b2f37463c9dd349dd30c6a81833ba97bb504f77a2a6510bd675d46b33a0c761.exe	94
PID 4592 wrote to memory of 4392	4592	3b2f37463c9dd349dd30c6a81833ba97bb504f77a2a6510bd675d46b33a0c761.exe	94
PID 4592 wrote to memory of 4392	4592	3b2f37463c9dd349dd30c6a81833ba97bb504f77a2a6510bd675d46b33a0c761.exe	94
PID 4592 wrote to memory of 4392	4592	3b2f37463c9dd349dd30c6a81833ba97bb504f77a2a6510bd675d46b33a0c761.exe	94
PID 4392 wrote to memory of 3560	4392	winver.exe	56
PID 4592 wrote to memory of 3560	4592	3b2f37463c9dd349dd30c6a81833ba97bb504f77a2a6510bd675d46b33a0c761.exe	56
PID 4592 wrote to memory of 2660	4592	3b2f37463c9dd349dd30c6a81833ba97bb504f77a2a6510bd675d46b33a0c761.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2660

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3560
- C:\Users\Admin\AppData\Local\Temp\3b2f37463c9dd349dd30c6a81833ba97bb504f77a2a6510bd675d46b33a0c761.exe
  "C:\Users\Admin\AppData\Local\Temp\3b2f37463c9dd349dd30c6a81833ba97bb504f77a2a6510bd675d46b33a0c761.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4592
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4392
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 300
      4⤵
      Program crash
      PID:1928
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 972
    3⤵
    - Program crash
    PID:2540

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4392 -ip 4392
1⤵
PID:544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4592 -ip 4592
1⤵
PID:1896

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/2660-14-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/2660-20-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/3560-5-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/3560-6-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/3560-11-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/4592-1-0x0000000004510000-0x0000000004B68000-memory.dmp

Filesize
6.3MB

Download
memory/4592-2-0x0000000003D80000-0x0000000003D81000-memory.dmp

Filesize
4KB

Download
memory/4592-3-0x0000000004510000-0x0000000004B68000-memory.dmp

Filesize
6.3MB

Download
memory/4592-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4592-10-0x0000000005A60000-0x0000000006460000-memory.dmp

Filesize
10.0MB

Download
memory/4592-15-0x0000000005A60000-0x0000000006460000-memory.dmp

Filesize
10.0MB

Download
memory/4592-19-0x0000000004510000-0x0000000004B68000-memory.dmp

Filesize
6.3MB

Download

Analysis

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