7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892

General

Target

7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe
Size

237KB
MD5

5fa33b3d94c1cf16ab5d4c8ee4fead52
SHA1

77eab8a673d8ebabe23cbd5b9e4dcee89b66e2fc
SHA256

7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892
SHA512

e1db7f29ee53875a05fbdfbfd691b89bee80ee18b2c522eb30674a6a0008c4aac14e2062891c9a04f26ba1e70e0964224735b8d296cd98140ce0fefa88b4d2b8
SSDEEP

6144:zA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYA:zATuTAnKGwUAWVycQqgB

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
3632	1052	WerFault.exe	93
5092	5096	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	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.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
5096	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe
5096	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3540	Explorer.EXE
Token: SeCreatePagefilePrivilege	3540	Explorer.EXE
Token: SeShutdownPrivilege	3540	Explorer.EXE
Token: SeCreatePagefilePrivilege	3540	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1052	winver.exe
5096	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 5096 wrote to memory of 1052	5096	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe	93
PID 5096 wrote to memory of 1052	5096	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe	93
PID 5096 wrote to memory of 1052	5096	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe	93
PID 5096 wrote to memory of 1052	5096	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe	93
PID 1052 wrote to memory of 3540	1052	winver.exe	56
PID 5096 wrote to memory of 3540	5096	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe	56
PID 5096 wrote to memory of 2568	5096	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2568

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3540
- C:\Users\Admin\AppData\Local\Temp\7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe
  "C:\Users\Admin\AppData\Local\Temp\7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:5096
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1052
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1052 -s 300
      4⤵
      Program crash
      PID:3632
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 984
    3⤵
    - Program crash
    PID:5092

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:5028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1052 -ip 1052
1⤵
PID:4452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 5096 -ip 5096
1⤵
PID:1652

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/2568-22-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download
memory/2568-16-0x0000000000760000-0x0000000000766000-memory.dmp

Filesize
24KB

Download
memory/3540-7-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Filesize
24KB

Download
memory/3540-13-0x0000000000D20000-0x0000000000D26000-memory.dmp

Filesize
24KB

Download
memory/3540-8-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Filesize
24KB

Download
memory/5096-4-0x00000000024E0000-0x00000000024E1000-memory.dmp

Filesize
4KB

Download
memory/5096-5-0x00000000024E0000-0x00000000024E1000-memory.dmp

Filesize
4KB

Download
memory/5096-9-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/5096-1-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download
memory/5096-12-0x0000000005B00000-0x0000000006500000-memory.dmp

Filesize
10.0MB

Download
memory/5096-3-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download
memory/5096-18-0x0000000005B00000-0x0000000006500000-memory.dmp

Filesize
10.0MB

Download
memory/5096-21-0x00000000046F0000-0x0000000004D48000-memory.dmp

Filesize
6.3MB

Download
memory/5096-2-0x00000000024E0000-0x00000000024E1000-memory.dmp

Filesize
4KB

Download

Analysis

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