aca820d912f8849b44f9dc04ce361e65a706091e95652f1cb05f50f2dad998d9

General

Target

aca820d912f8849b44f9dc04ce361e65a706091e95652f1cb05f50f2dad998d9N.exe
Size

225KB
MD5

b8fa1ba0ce6de767f44d559cc00b4b90
SHA1

365e1d38e82cfbbe8bd7caca8778f4e3897fd24f
SHA256

aca820d912f8849b44f9dc04ce361e65a706091e95652f1cb05f50f2dad998d9
SHA512

0738afce81ebd86300967324745d6f2e0b3cecfdfa070ce8bfd97ba810395b8ada9e24249610a79894e43f22707f4ca85847ce0b91f2333745a2ab1c0c687d83
SSDEEP

6144:bA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpY0:bATuTAnKGwUAW3ycQqgF

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
1764	4964	WerFault.exe	103
1172	3000	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	aca820d912f8849b44f9dc04ce361e65a706091e95652f1cb05f50f2dad998d9N.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
3000	aca820d912f8849b44f9dc04ce361e65a706091e95652f1cb05f50f2dad998d9N.exe
3000	aca820d912f8849b44f9dc04ce361e65a706091e95652f1cb05f50f2dad998d9N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4964	winver.exe
3000	aca820d912f8849b44f9dc04ce361e65a706091e95652f1cb05f50f2dad998d9N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 4964	3000	aca820d912f8849b44f9dc04ce361e65a706091e95652f1cb05f50f2dad998d9N.exe	103
PID 3000 wrote to memory of 4964	3000	aca820d912f8849b44f9dc04ce361e65a706091e95652f1cb05f50f2dad998d9N.exe	103
PID 3000 wrote to memory of 4964	3000	aca820d912f8849b44f9dc04ce361e65a706091e95652f1cb05f50f2dad998d9N.exe	103
PID 3000 wrote to memory of 4964	3000	aca820d912f8849b44f9dc04ce361e65a706091e95652f1cb05f50f2dad998d9N.exe	103
PID 4964 wrote to memory of 3476	4964	winver.exe	56
PID 3000 wrote to memory of 3476	3000	aca820d912f8849b44f9dc04ce361e65a706091e95652f1cb05f50f2dad998d9N.exe	56
PID 3000 wrote to memory of 2792	3000	aca820d912f8849b44f9dc04ce361e65a706091e95652f1cb05f50f2dad998d9N.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2792

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3476
- C:\Users\Admin\AppData\Local\Temp\aca820d912f8849b44f9dc04ce361e65a706091e95652f1cb05f50f2dad998d9N.exe
  "C:\Users\Admin\AppData\Local\Temp\aca820d912f8849b44f9dc04ce361e65a706091e95652f1cb05f50f2dad998d9N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3000
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:4964
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 300
      4⤵
      Program crash
      PID:1764
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3000 -s 976
    3⤵
    - Program crash
    PID:1172

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4964 -ip 4964
1⤵
PID:2784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3000 -ip 3000
1⤵
PID:1708

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/2792-23-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/2792-17-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/3000-18-0x0000000005A90000-0x0000000006490000-memory.dmp

Filesize
10.0MB

Download
memory/3000-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/3000-3-0x0000000004580000-0x0000000004BD8000-memory.dmp

Filesize
6.3MB

Download
memory/3000-4-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/3000-5-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/3000-6-0x00000000044E0000-0x00000000044E1000-memory.dmp

Filesize
4KB

Download
memory/3000-1-0x0000000004580000-0x0000000004BD8000-memory.dmp

Filesize
6.3MB

Download
memory/3000-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3000-22-0x0000000004580000-0x0000000004BD8000-memory.dmp

Filesize
6.3MB

Download
memory/3000-14-0x0000000005A90000-0x0000000006490000-memory.dmp

Filesize
10.0MB

Download
memory/3476-8-0x0000000000A20000-0x0000000000A26000-memory.dmp

Filesize
24KB

Download
memory/3476-15-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Filesize
24KB

Download
memory/3476-9-0x0000000000A20000-0x0000000000A26000-memory.dmp

Filesize
24KB

Download

Analysis

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