20b678dc028741e96f7cf0bb33ce84415dee539518472c67343ce52cbc45872c

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 05:46

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General

Target

20b678dc028741e96f7cf0bb33ce84415dee539518472c67343ce52cbc45872cN.exe
Size

291KB
MD5

e429fe0fc0f2e7219ec097cf5fdc7160
SHA1

08b45aaed59f58d88684cab223c817f16062debd
SHA256

20b678dc028741e96f7cf0bb33ce84415dee539518472c67343ce52cbc45872c
SHA512

f71ed385d4e169fa44d62901d8c2059f83aae15671e25a686f6a10a1ca4919410199bed95caf8b831302b38ef8429c18aa34ccc940fc88826aaed080329c9e22
SSDEEP

6144:S/0uod/r8s82NQCwJF1eUfxZYJG2pwj6+82DrNz3W4LhvPjY:SJa92CmFWmO+7Dd3vhXE

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2660	serv.exe

Loads dropped DLL 6 IoCs

pid	Process
1960	20b678dc028741e96f7cf0bb33ce84415dee539518472c67343ce52cbc45872cN.exe
1960	20b678dc028741e96f7cf0bb33ce84415dee539518472c67343ce52cbc45872cN.exe
2660	serv.exe
2760	WerFault.exe
2760	WerFault.exe
2760	WerFault.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	20b678dc028741e96f7cf0bb33ce84415dee539518472c67343ce52cbc45872cN.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2760	2660	WerFault.exe	30

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	20b678dc028741e96f7cf0bb33ce84415dee539518472c67343ce52cbc45872cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	serv.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 2660	1960	20b678dc028741e96f7cf0bb33ce84415dee539518472c67343ce52cbc45872cN.exe	30
PID 1960 wrote to memory of 2660	1960	20b678dc028741e96f7cf0bb33ce84415dee539518472c67343ce52cbc45872cN.exe	30
PID 1960 wrote to memory of 2660	1960	20b678dc028741e96f7cf0bb33ce84415dee539518472c67343ce52cbc45872cN.exe	30
PID 1960 wrote to memory of 2660	1960	20b678dc028741e96f7cf0bb33ce84415dee539518472c67343ce52cbc45872cN.exe	30
PID 1960 wrote to memory of 2660	1960	20b678dc028741e96f7cf0bb33ce84415dee539518472c67343ce52cbc45872cN.exe	30
PID 1960 wrote to memory of 2660	1960	20b678dc028741e96f7cf0bb33ce84415dee539518472c67343ce52cbc45872cN.exe	30
PID 1960 wrote to memory of 2660	1960	20b678dc028741e96f7cf0bb33ce84415dee539518472c67343ce52cbc45872cN.exe	30
PID 2660 wrote to memory of 2760	2660	serv.exe	31
PID 2660 wrote to memory of 2760	2660	serv.exe	31
PID 2660 wrote to memory of 2760	2660	serv.exe	31
PID 2660 wrote to memory of 2760	2660	serv.exe	31
PID 2660 wrote to memory of 2760	2660	serv.exe	31
PID 2660 wrote to memory of 2760	2660	serv.exe	31
PID 2660 wrote to memory of 2760	2660	serv.exe	31

C:\Users\Admin\AppData\Local\Temp\20b678dc028741e96f7cf0bb33ce84415dee539518472c67343ce52cbc45872cN.exe
"C:\Users\Admin\AppData\Local\Temp\20b678dc028741e96f7cf0bb33ce84415dee539518472c67343ce52cbc45872cN.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\serv.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\serv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2660
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2660 -s 268
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\IXP000.TMP\serv.exe

Filesize
312KB

MD5
93d9bf18946a2ff3c8d91953726d0d65

SHA1
7e08022cf319ebaf3bb22fb4a2d898d9739cfee6

SHA256
16cf040ebf018d43590eb173e8d2c09bfe1c1c46d0c848091580cbe1fffad0a8

SHA512
3001649c3e26889d5d8b81bd972a71642e1ca5c766b15dc55ffac2dccbd11d91cff7c58f5457a272aef2102f12cc03a4afc6b3a8b929f05f132c64a0a98e9637

Download Submit
memory/2660-14-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads