f7917b89aa12f4ca825d85e4ac7c3a4992c879b5157c32d9bdbe862e0d4b6e61

Analysis

max time kernel
104s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-02-2024 18:51

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General

Target

f7917b89aa12f4ca825d85e4ac7c3a4992c879b5157c32d9bdbe862e0d4b6e61.exe
Size

257KB
MD5

77a2c14f3cbbf8de36d71ec71a2b5db9
SHA1

271fc7d87a641d20fd062506f1b0dfe66157bdea
SHA256

f7917b89aa12f4ca825d85e4ac7c3a4992c879b5157c32d9bdbe862e0d4b6e61
SHA512

bb04ae4861b2974ee5ca10f2a01d299acfe161f38f4be7ac8ef5ca03525ea7cc581f4f812b077abcf7f7592a187ead487cbb6723b050469cf9755590ac8dd92a
SSDEEP

3072:r0EVXyKVxntSV+P94EhS+43bh78L+ps1XxMu/3wLaTm+tDLgaRyZY+6W/cHQX5dy:FiSfiXLh7vy15waTJLQq+6W/cH6N

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	f7917b89aa12f4ca825d85e4ac7c3a4992c879b5157c32d9bdbe862e0d4b6e61.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 8 IoCs

pid	pid_target	Process	procid_target
3196	3272	WerFault.exe	66
4972	3272	WerFault.exe	66
3824	3272	WerFault.exe	66
320	3272	WerFault.exe	66
224	3272	WerFault.exe	66
3748	3272	WerFault.exe	66
4248	3272	WerFault.exe	66
4948	3272	WerFault.exe	66

Kills process with taskkill 1 IoCs

evasion

pid	Process
4404	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4404	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3272 wrote to memory of 2028	3272	f7917b89aa12f4ca825d85e4ac7c3a4992c879b5157c32d9bdbe862e0d4b6e61.exe	101
PID 3272 wrote to memory of 2028	3272	f7917b89aa12f4ca825d85e4ac7c3a4992c879b5157c32d9bdbe862e0d4b6e61.exe	101
PID 3272 wrote to memory of 2028	3272	f7917b89aa12f4ca825d85e4ac7c3a4992c879b5157c32d9bdbe862e0d4b6e61.exe	101
PID 2028 wrote to memory of 4404	2028	cmd.exe	105
PID 2028 wrote to memory of 4404	2028	cmd.exe	105
PID 2028 wrote to memory of 4404	2028	cmd.exe	105

C:\Users\Admin\AppData\Local\Temp\f7917b89aa12f4ca825d85e4ac7c3a4992c879b5157c32d9bdbe862e0d4b6e61.exe
"C:\Users\Admin\AppData\Local\Temp\f7917b89aa12f4ca825d85e4ac7c3a4992c879b5157c32d9bdbe862e0d4b6e61.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3272
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3272 -s 748
  2⤵
  - Program crash
  PID:3196
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3272 -s 740
  2⤵
  - Program crash
  PID:4972
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3272 -s 740
  2⤵
  - Program crash
  PID:3824
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3272 -s 748
  2⤵
  - Program crash
  PID:320
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3272 -s 884
  2⤵
  - Program crash
  PID:224
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3272 -s 1000
  2⤵
  - Program crash
  PID:3748
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3272 -s 1352
  2⤵
  - Program crash
  PID:4248
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "f7917b89aa12f4ca825d85e4ac7c3a4992c879b5157c32d9bdbe862e0d4b6e61.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f7917b89aa12f4ca825d85e4ac7c3a4992c879b5157c32d9bdbe862e0d4b6e61.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2028
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "f7917b89aa12f4ca825d85e4ac7c3a4992c879b5157c32d9bdbe862e0d4b6e61.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4404
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3272 -s 1372
  2⤵
  - Program crash
  PID:4948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3272 -ip 3272
1⤵
PID:2032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3272 -ip 3272
1⤵
PID:1932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3272 -ip 3272
1⤵
PID:4064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3272 -ip 3272
1⤵
PID:1480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3272 -ip 3272
1⤵
PID:4172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3272 -ip 3272
1⤵
PID:4936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3272 -ip 3272
1⤵
PID:4552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3272 -ip 3272
1⤵
PID:3344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3272-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/3272-2-0x00000000021A0000-0x00000000021CD000-memory.dmp

Filesize
180KB

Download
memory/3272-3-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3272-5-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3272-6-0x00000000021A0000-0x00000000021CD000-memory.dmp

Filesize
180KB

Download