2dc6aabf91d533f1db357c0d2cd629b258ef631f9c19468e6cb27af4f4da0a65

General

Target

2dc6aabf91d533f1db357c0d2cd629b258ef631f9c19468e6cb27af4f4da0a65N.exe
Size

225KB
MD5

dcd8e89031092e3d6bcf4bd271797b10
SHA1

e7b125e360e0ac02d72ed2eb90ea009fef5ebd5a
SHA256

2dc6aabf91d533f1db357c0d2cd629b258ef631f9c19468e6cb27af4f4da0a65
SHA512

0a950f707dc26e7b8af694e14e4f111eb69086c48da3bf1eb2760bee3a0e0e0156c3d4a973073270ba0336d5b9872c02d5f2d4c32cdb79ae635d4e1059c18a17
SSDEEP

6144:PA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:PATuTAnKGwUAW3ycQqgX

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
4816	3508	WerFault.exe	93
4940	4948	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	2dc6aabf91d533f1db357c0d2cd629b258ef631f9c19468e6cb27af4f4da0a65N.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
4948	2dc6aabf91d533f1db357c0d2cd629b258ef631f9c19468e6cb27af4f4da0a65N.exe
4948	2dc6aabf91d533f1db357c0d2cd629b258ef631f9c19468e6cb27af4f4da0a65N.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE
Token: SeShutdownPrivilege	3488	Explorer.EXE
Token: SeCreatePagefilePrivilege	3488	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3508	winver.exe
4948	2dc6aabf91d533f1db357c0d2cd629b258ef631f9c19468e6cb27af4f4da0a65N.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 3508	4948	2dc6aabf91d533f1db357c0d2cd629b258ef631f9c19468e6cb27af4f4da0a65N.exe	93
PID 4948 wrote to memory of 3508	4948	2dc6aabf91d533f1db357c0d2cd629b258ef631f9c19468e6cb27af4f4da0a65N.exe	93
PID 4948 wrote to memory of 3508	4948	2dc6aabf91d533f1db357c0d2cd629b258ef631f9c19468e6cb27af4f4da0a65N.exe	93
PID 4948 wrote to memory of 3508	4948	2dc6aabf91d533f1db357c0d2cd629b258ef631f9c19468e6cb27af4f4da0a65N.exe	93
PID 3508 wrote to memory of 3488	3508	winver.exe	56
PID 4948 wrote to memory of 3488	4948	2dc6aabf91d533f1db357c0d2cd629b258ef631f9c19468e6cb27af4f4da0a65N.exe	56
PID 4948 wrote to memory of 2520	4948	2dc6aabf91d533f1db357c0d2cd629b258ef631f9c19468e6cb27af4f4da0a65N.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2520

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3488
- C:\Users\Admin\AppData\Local\Temp\2dc6aabf91d533f1db357c0d2cd629b258ef631f9c19468e6cb27af4f4da0a65N.exe
  "C:\Users\Admin\AppData\Local\Temp\2dc6aabf91d533f1db357c0d2cd629b258ef631f9c19468e6cb27af4f4da0a65N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4948
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3508
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3508 -s 300
      4⤵
      Program crash
      PID:4816
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 876
    3⤵
    - Program crash
    PID:4940

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:4796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3508 -ip 3508
1⤵
PID:2812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4948 -ip 4948
1⤵
PID:3008

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/2520-13-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/2520-19-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/3488-5-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/3488-6-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/3488-11-0x0000000000C40000-0x0000000000C46000-memory.dmp

Filesize
24KB

Download
memory/4948-1-0x0000000004710000-0x0000000004D68000-memory.dmp

Filesize
6.3MB

Download
memory/4948-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/4948-3-0x0000000004710000-0x0000000004D68000-memory.dmp

Filesize
6.3MB

Download
memory/4948-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4948-12-0x0000000005B20000-0x0000000006520000-memory.dmp

Filesize
10.0MB

Download
memory/4948-15-0x0000000005B20000-0x0000000006520000-memory.dmp

Filesize
10.0MB

Download
memory/4948-18-0x0000000004710000-0x0000000004D68000-memory.dmp

Filesize
6.3MB

Download

Analysis

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