54288d2aa3233090a81246964402d8d032277d74dd8f15b61784eb5be11541bd

General

Target

54288d2aa3233090a81246964402d8d032277d74dd8f15b61784eb5be11541bdN.exe
Size

225KB
MD5

575570656629c1e41df1f32e00e2d580
SHA1

fa228e8d260b6564391e1ea3b5f10d3fccf30c62
SHA256

54288d2aa3233090a81246964402d8d032277d74dd8f15b61784eb5be11541bd
SHA512

44fbb513fc6ccbe5b9c85150097553d0fa5d197a09015b2ff3aadb96f954fabb75163994c2f074aa76c85238e9d7280ba44f7a2a000400ff13ea1936ae8b85e0
SSDEEP

6144:8A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:8ATuTAnKGwUAW3ycQqgf

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
2592	2460	WerFault.exe	93
876	3844	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	54288d2aa3233090a81246964402d8d032277d74dd8f15b61784eb5be11541bdN.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
3844	54288d2aa3233090a81246964402d8d032277d74dd8f15b61784eb5be11541bdN.exe
3844	54288d2aa3233090a81246964402d8d032277d74dd8f15b61784eb5be11541bdN.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2460	winver.exe
3844	54288d2aa3233090a81246964402d8d032277d74dd8f15b61784eb5be11541bdN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3844 wrote to memory of 2460	3844	54288d2aa3233090a81246964402d8d032277d74dd8f15b61784eb5be11541bdN.exe	93
PID 3844 wrote to memory of 2460	3844	54288d2aa3233090a81246964402d8d032277d74dd8f15b61784eb5be11541bdN.exe	93
PID 3844 wrote to memory of 2460	3844	54288d2aa3233090a81246964402d8d032277d74dd8f15b61784eb5be11541bdN.exe	93
PID 3844 wrote to memory of 2460	3844	54288d2aa3233090a81246964402d8d032277d74dd8f15b61784eb5be11541bdN.exe	93
PID 2460 wrote to memory of 3460	2460	winver.exe	56
PID 3844 wrote to memory of 3460	3844	54288d2aa3233090a81246964402d8d032277d74dd8f15b61784eb5be11541bdN.exe	56
PID 3844 wrote to memory of 2440	3844	54288d2aa3233090a81246964402d8d032277d74dd8f15b61784eb5be11541bdN.exe	42

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2440

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3460
- C:\Users\Admin\AppData\Local\Temp\54288d2aa3233090a81246964402d8d032277d74dd8f15b61784eb5be11541bdN.exe
  "C:\Users\Admin\AppData\Local\Temp\54288d2aa3233090a81246964402d8d032277d74dd8f15b61784eb5be11541bdN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3844
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2460
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2460 -s 300
      4⤵
      Program crash
      PID:2592
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3844 -s 776
    3⤵
    - Program crash
    PID:876

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:2140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2460 -ip 2460
1⤵
PID:3604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3844 -ip 3844
1⤵
PID:3508

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/2440-14-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2440-20-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/3460-5-0x0000000001200000-0x0000000001206000-memory.dmp

Filesize
24KB

Download
memory/3460-6-0x0000000001200000-0x0000000001206000-memory.dmp

Filesize
24KB

Download
memory/3460-11-0x0000000001240000-0x0000000001246000-memory.dmp

Filesize
24KB

Download
memory/3844-1-0x0000000004540000-0x0000000004B98000-memory.dmp

Filesize
6.3MB

Download
memory/3844-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/3844-3-0x0000000004540000-0x0000000004B98000-memory.dmp

Filesize
6.3MB

Download
memory/3844-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3844-10-0x0000000005A90000-0x0000000006490000-memory.dmp

Filesize
10.0MB

Download
memory/3844-15-0x0000000005A90000-0x0000000006490000-memory.dmp

Filesize
10.0MB

Download
memory/3844-19-0x0000000004540000-0x0000000004B98000-memory.dmp

Filesize
6.3MB

Download

Analysis

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