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
4736	4048	WerFault.exe	102
4336	1696	WerFault.exe	82

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
1696	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe
1696	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE
Token: SeShutdownPrivilege	3512	Explorer.EXE
Token: SeCreatePagefilePrivilege	3512	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4048	winver.exe
1696	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 4048	1696	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe	102
PID 1696 wrote to memory of 4048	1696	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe	102
PID 1696 wrote to memory of 4048	1696	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe	102
PID 1696 wrote to memory of 4048	1696	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe	102
PID 4048 wrote to memory of 3512	4048	winver.exe	56
PID 1696 wrote to memory of 3512	1696	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe	56
PID 1696 wrote to memory of 2648	1696	7aa5e23cc7224a6dae0673d01ab7a0e980b7adb8bb3ffc1ffa9f3ba17d0dd892.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2648

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3512
- 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:1696
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4048
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4048 -s 300
      4⤵
      Program crash
      PID:4736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1696 -s 980
    3⤵
    - Program crash
    PID:4336

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4048 -ip 4048
1⤵
PID:3176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1696 -ip 1696
1⤵
PID:4348

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/1696-18-0x0000000005B10000-0x0000000006510000-memory.dmp

Filesize
10.0MB

Download
memory/1696-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/1696-3-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/1696-4-0x0000000004600000-0x0000000004C58000-memory.dmp

Filesize
6.3MB

Download
memory/1696-5-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/1696-6-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/1696-1-0x0000000004600000-0x0000000004C58000-memory.dmp

Filesize
6.3MB

Download
memory/1696-10-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/1696-22-0x0000000004600000-0x0000000004C58000-memory.dmp

Filesize
6.3MB

Download
memory/1696-14-0x0000000005B10000-0x0000000006510000-memory.dmp

Filesize
10.0MB

Download
memory/2648-23-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/2648-17-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/3512-8-0x0000000001220000-0x0000000001226000-memory.dmp

Filesize
24KB

Download
memory/3512-15-0x0000000001230000-0x0000000001236000-memory.dmp

Filesize
24KB

Download
memory/3512-9-0x0000000001220000-0x0000000001226000-memory.dmp

Filesize
24KB

Download

Analysis

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