45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5

General

Target

45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe
Size

225KB
MD5

848f7515e9223b303ea7f93c53b8c018
SHA1

0855e39c38100326b3b899bde13c46b87ae15c6d
SHA256

45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5
SHA512

80abf0de1f2ab62b026ebb666d50e82c7785e17ed29d9e117d9d33f7c1f16e35affea883f787fdfe74e2b67a1793cbc4302e587ab618bb877303bfef1f566d77
SSDEEP

6144:tA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:tATuTAnKGwUAW3ycQqgf

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
3180	5024	WerFault.exe	103
1352	2524	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	45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.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
2524	45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe
2524	45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5024	winver.exe
2524	45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 5024	2524	45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe	103
PID 2524 wrote to memory of 5024	2524	45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe	103
PID 2524 wrote to memory of 5024	2524	45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe	103
PID 2524 wrote to memory of 5024	2524	45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe	103
PID 5024 wrote to memory of 3524	5024	winver.exe	56
PID 2524 wrote to memory of 3524	2524	45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe	56
PID 2524 wrote to memory of 2540	2524	45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2540

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3524
- C:\Users\Admin\AppData\Local\Temp\45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe
  "C:\Users\Admin\AppData\Local\Temp\45e3c909bef1c474eb68b11b1387be21c378d0d6caea8a3420ff8cf8306507c5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2524
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:5024
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 300
      4⤵
      Program crash
      PID:3180
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 884
    3⤵
    - Program crash
    PID:1352

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5024 -ip 5024
1⤵
PID:5088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2524 -ip 2524
1⤵
PID:464

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/2524-18-0x0000000005AD0000-0x00000000064D0000-memory.dmp

Filesize
10.0MB

Download
memory/2524-2-0x0000000003D50000-0x0000000003D51000-memory.dmp

Filesize
4KB

Download
memory/2524-3-0x00000000045C0000-0x0000000004C18000-memory.dmp

Filesize
6.3MB

Download
memory/2524-4-0x0000000003D50000-0x0000000003D51000-memory.dmp

Filesize
4KB

Download
memory/2524-5-0x0000000003D50000-0x0000000003D51000-memory.dmp

Filesize
4KB

Download
memory/2524-6-0x0000000003D50000-0x0000000003D51000-memory.dmp

Filesize
4KB

Download
memory/2524-1-0x00000000045C0000-0x0000000004C18000-memory.dmp

Filesize
6.3MB

Download
memory/2524-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2524-22-0x00000000045C0000-0x0000000004C18000-memory.dmp

Filesize
6.3MB

Download
memory/2524-14-0x0000000005AD0000-0x00000000064D0000-memory.dmp

Filesize
10.0MB

Download
memory/2540-23-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2540-17-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/3524-8-0x0000000000E80000-0x0000000000E86000-memory.dmp

Filesize
24KB

Download
memory/3524-15-0x0000000000E90000-0x0000000000E96000-memory.dmp

Filesize
24KB

Download
memory/3524-9-0x0000000000E80000-0x0000000000E86000-memory.dmp

Filesize
24KB

Download

Analysis

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