b9761d12044c02adb84dee1efc641fd721e91ea480c6628b66da0c05b197a38d

Analysis

max time kernel
149s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
09/06/2024, 12:43

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General

Target

VirusShare_f4b54fc054606d9cc7cb5cde04df1a9b.exe
Size

146KB
MD5

f4b54fc054606d9cc7cb5cde04df1a9b
SHA1

72e6c398e3a27136a7dee0c85d01b5e37a8926ba
SHA256

b9761d12044c02adb84dee1efc641fd721e91ea480c6628b66da0c05b197a38d
SHA512

fa7912670b76a08267e63e4fcab5d9d644f5e4fc99a90891fccf4ca0956eef96e738ea742cb37f6efced847f03caf25df11c5f0f6f64628775e8ad3a8196dbb3
SSDEEP

3072:16mCoCc+6tLs1w+GgJDppjc9rRk9Fl4Unmat8ZMle1N5EAGBrYhVP:16mCLc7s1w+tqrR6l4Umat8Glef2Aerg

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-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	VirusShare_f4b54fc054606d9cc7cb5cde04df1a9b.exe

Executes dropped EXE 1 IoCs

pid	Process
1592	kfqtnm.exe

Loads dropped DLL 1 IoCs

pid	Process
1592	kfqtnm.exe

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

System Information Discovery
T1082

Program crash 17 IoCs

pid	pid_target	Process	procid_target
4496	2132	WerFault.exe	80
1936	2132	WerFault.exe	80
4148	2132	WerFault.exe	80
4724	2132	WerFault.exe	80
2020	2132	WerFault.exe	80
1732	2132	WerFault.exe	80
1948	2132	WerFault.exe	80
1644	2132	WerFault.exe	80
1044	1592	WerFault.exe	108
3944	1592	WerFault.exe	108
4920	1592	WerFault.exe	108
2368	1592	WerFault.exe	108
2204	1592	WerFault.exe	108
1936	1592	WerFault.exe	108
3060	1592	WerFault.exe	108
3524	1592	WerFault.exe	108
4480	1592	WerFault.exe	108

Kills process with taskkill 1 IoCs

evasion

pid	Process
2384	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4692	PING.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1592	kfqtnm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2384	taskkill.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1592	kfqtnm.exe
1592	kfqtnm.exe
1592	kfqtnm.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1592	kfqtnm.exe
1592	kfqtnm.exe
1592	kfqtnm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2520	2132	VirusShare_f4b54fc054606d9cc7cb5cde04df1a9b.exe	99
PID 2132 wrote to memory of 2520	2132	VirusShare_f4b54fc054606d9cc7cb5cde04df1a9b.exe	99
PID 2132 wrote to memory of 2520	2132	VirusShare_f4b54fc054606d9cc7cb5cde04df1a9b.exe	99
PID 2520 wrote to memory of 2384	2520	cmd.exe	103
PID 2520 wrote to memory of 2384	2520	cmd.exe	103
PID 2520 wrote to memory of 2384	2520	cmd.exe	103
PID 2520 wrote to memory of 4692	2520	cmd.exe	105
PID 2520 wrote to memory of 4692	2520	cmd.exe	105
PID 2520 wrote to memory of 4692	2520	cmd.exe	105
PID 2520 wrote to memory of 1592	2520	cmd.exe	108
PID 2520 wrote to memory of 1592	2520	cmd.exe	108
PID 2520 wrote to memory of 1592	2520	cmd.exe	108

C:\Users\Admin\AppData\Local\Temp\VirusShare_f4b54fc054606d9cc7cb5cde04df1a9b.exe
"C:\Users\Admin\AppData\Local\Temp\VirusShare_f4b54fc054606d9cc7cb5cde04df1a9b.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 684
  2⤵
  - Program crash
  PID:4496
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 840
  2⤵
  - Program crash
  PID:1936
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 984
  2⤵
  - Program crash
  PID:4148
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 980
  2⤵
  - Program crash
  PID:4724
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 984
  2⤵
  - Program crash
  PID:2020
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 984
  2⤵
  - Program crash
  PID:1732
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 1060
  2⤵
  - Program crash
  PID:1948
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2132 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\VirusShare_f4b54fc054606d9cc7cb5cde04df1a9b.exe" & start C:\Users\Admin\AppData\Local\kfqtnm.exe -f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2520
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 2132
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2384
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:4692
- - C:\Users\Admin\AppData\Local\kfqtnm.exe
    C:\Users\Admin\AppData\Local\kfqtnm.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:1592
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 948
      4⤵
      Program crash
      PID:1044
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 940
      4⤵
      Program crash
      PID:3944
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 1240
      4⤵
      Program crash
      PID:4920
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 1248
      4⤵
      Program crash
      PID:2368
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 1264
      4⤵
      Program crash
      PID:2204
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 1296
      4⤵
      Program crash
      PID:1936
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 1320
      4⤵
      Program crash
      PID:3060
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 1340
      4⤵
      Program crash
      PID:3524
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1592 -s 1348
      4⤵
      Program crash
      PID:4480
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 140
  2⤵
  - Program crash
  PID:1644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2132 -ip 2132
1⤵
PID:1528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2132 -ip 2132
1⤵
PID:1700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2132 -ip 2132
1⤵
PID:3984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2132 -ip 2132
1⤵
PID:1304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2132 -ip 2132
1⤵
PID:4328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 2132 -ip 2132
1⤵
PID:4876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 2132 -ip 2132
1⤵
PID:4804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 2132 -ip 2132
1⤵
PID:5020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 1592 -ip 1592
1⤵
PID:4332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 1592 -ip 1592
1⤵
PID:2700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1592 -ip 1592
1⤵
PID:3528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1592 -ip 1592
1⤵
PID:2780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1592 -ip 1592
1⤵
PID:4492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1592 -ip 1592
1⤵
PID:544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1592 -ip 1592
1⤵
PID:1600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1592 -ip 1592
1⤵
PID:4116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1592 -ip 1592
1⤵
PID:3376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\kfqtnm.exe

Filesize
146KB

MD5
f4b54fc054606d9cc7cb5cde04df1a9b

SHA1
72e6c398e3a27136a7dee0c85d01b5e37a8926ba

SHA256
b9761d12044c02adb84dee1efc641fd721e91ea480c6628b66da0c05b197a38d

SHA512
fa7912670b76a08267e63e4fcab5d9d644f5e4fc99a90891fccf4ca0956eef96e738ea742cb37f6efced847f03caf25df11c5f0f6f64628775e8ad3a8196dbb3

Download Submit
memory/1592-27-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download
memory/1592-20-0x0000000000550000-0x0000000000562000-memory.dmp

Filesize
72KB

Download
memory/1592-46-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download
memory/1592-43-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download
memory/1592-40-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download
memory/1592-37-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download
memory/1592-12-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download
memory/1592-16-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download
memory/1592-15-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download
memory/1592-14-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download
memory/1592-33-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download
memory/1592-30-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download
memory/1592-26-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download
memory/1592-19-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download
memory/1592-22-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download
memory/1592-23-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download
memory/1592-13-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download
memory/2132-1-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download
memory/2132-0-0x0000000001025000-0x0000000001026000-memory.dmp

Filesize
4KB

Download
memory/2132-4-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download
memory/2132-7-0x0000000000620000-0x0000000000632000-memory.dmp

Filesize
72KB

Download
memory/2132-6-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download
memory/2132-2-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download
memory/2132-5-0x0000000001000000-0x00000000010C4000-memory.dmp

Filesize
784KB

Download