8686b72b761db433e1e76151f26554b27c76971e2fdcaf4541b5c55aa541e09f

General

Target

8686b72b761db433e1e76151f26554b27c76971e2fdcaf4541b5c55aa541e09f.exe
Size

209KB
MD5

c44e5fe1f523244f500276cc45e7369f
SHA1

0cb1410d070a43717dd0f56a666516063c101bcf
SHA256

8686b72b761db433e1e76151f26554b27c76971e2fdcaf4541b5c55aa541e09f
SHA512

c4d09c668c9f6aa31a9d0951de795549e264bbcb028838a3814070708cb8ee8b0bbd6391108a3d4ccfbf815adab94a4e617f57dee40c3bcc5bf2a9d263edb531
SSDEEP

3072:bAsBzxBTQGjKYhIrZUWBkMP02SVYH3oVtBGJX6nhauLX7KG:bAsB9BkBY+rZ3Q230i9uLX73

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2684	sbwmbxhz.exe

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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	8686b72b761db433e1e76151f26554b27c76971e2fdcaf4541b5c55aa541e09f.exe

Loads dropped DLL 1 IoCs

pid	Process
2684	sbwmbxhz.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	8686b72b761db433e1e76151f26554b27c76971e2fdcaf4541b5c55aa541e09f.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
1580	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4140	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2684	sbwmbxhz.exe
2684	sbwmbxhz.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1580	taskkill.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2684	sbwmbxhz.exe
2684	sbwmbxhz.exe
2684	sbwmbxhz.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2684	sbwmbxhz.exe
2684	sbwmbxhz.exe
2684	sbwmbxhz.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3500 wrote to memory of 3228	3500	8686b72b761db433e1e76151f26554b27c76971e2fdcaf4541b5c55aa541e09f.exe	83
PID 3500 wrote to memory of 3228	3500	8686b72b761db433e1e76151f26554b27c76971e2fdcaf4541b5c55aa541e09f.exe	83
PID 3500 wrote to memory of 3228	3500	8686b72b761db433e1e76151f26554b27c76971e2fdcaf4541b5c55aa541e09f.exe	83
PID 3228 wrote to memory of 1580	3228	cmd.exe	85
PID 3228 wrote to memory of 1580	3228	cmd.exe	85
PID 3228 wrote to memory of 1580	3228	cmd.exe	85
PID 3228 wrote to memory of 4140	3228	cmd.exe	86
PID 3228 wrote to memory of 4140	3228	cmd.exe	86
PID 3228 wrote to memory of 4140	3228	cmd.exe	86
PID 3228 wrote to memory of 2684	3228	cmd.exe	89
PID 3228 wrote to memory of 2684	3228	cmd.exe	89
PID 3228 wrote to memory of 2684	3228	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\8686b72b761db433e1e76151f26554b27c76971e2fdcaf4541b5c55aa541e09f.exe
"C:\Users\Admin\AppData\Local\Temp\8686b72b761db433e1e76151f26554b27c76971e2fdcaf4541b5c55aa541e09f.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3500
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 3500 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\8686b72b761db433e1e76151f26554b27c76971e2fdcaf4541b5c55aa541e09f.exe" & start C:\Users\Admin\AppData\Local\sbwmbxhz.exe -f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3228
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 3500
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1580
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:4140
- - C:\Users\Admin\AppData\Local\sbwmbxhz.exe
    C:\Users\Admin\AppData\Local\sbwmbxhz.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:2684

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
209KB

MD5
c44e5fe1f523244f500276cc45e7369f

SHA1
0cb1410d070a43717dd0f56a666516063c101bcf

SHA256
8686b72b761db433e1e76151f26554b27c76971e2fdcaf4541b5c55aa541e09f

SHA512
c4d09c668c9f6aa31a9d0951de795549e264bbcb028838a3814070708cb8ee8b0bbd6391108a3d4ccfbf815adab94a4e617f57dee40c3bcc5bf2a9d263edb531

Download Submit
C:\Users\Admin\AppData\Local\sbwmbxhz.exe

Filesize
209KB

MD5
c44e5fe1f523244f500276cc45e7369f

SHA1
0cb1410d070a43717dd0f56a666516063c101bcf

SHA256
8686b72b761db433e1e76151f26554b27c76971e2fdcaf4541b5c55aa541e09f

SHA512
c4d09c668c9f6aa31a9d0951de795549e264bbcb028838a3814070708cb8ee8b0bbd6391108a3d4ccfbf815adab94a4e617f57dee40c3bcc5bf2a9d263edb531

Download Submit
C:\Users\Admin\AppData\Local\sbwmbxhz.exe

Filesize
209KB

MD5
c44e5fe1f523244f500276cc45e7369f

SHA1
0cb1410d070a43717dd0f56a666516063c101bcf

SHA256
8686b72b761db433e1e76151f26554b27c76971e2fdcaf4541b5c55aa541e09f

SHA512
c4d09c668c9f6aa31a9d0951de795549e264bbcb028838a3814070708cb8ee8b0bbd6391108a3d4ccfbf815adab94a4e617f57dee40c3bcc5bf2a9d263edb531

Download Submit
memory/2684-144-0x00000000005EE000-0x0000000000610000-memory.dmp

Filesize
136KB

Download
memory/2684-143-0x0000000001000000-0x00000000010C6000-memory.dmp

Filesize
792KB

Download
memory/2684-146-0x0000000001000000-0x00000000010C6000-memory.dmp

Filesize
792KB

Download
memory/2684-147-0x00000000005EE000-0x0000000000610000-memory.dmp

Filesize
136KB

Download
memory/3500-137-0x000000000055D000-0x000000000057F000-memory.dmp

Filesize
136KB

Download
memory/3500-136-0x0000000001000000-0x00000000010C6000-memory.dmp

Filesize
792KB

Download
memory/3500-134-0x000000000055D000-0x000000000057F000-memory.dmp

Filesize
136KB

Download
memory/3500-132-0x0000000001000000-0x00000000010C6000-memory.dmp

Filesize
792KB

Download
memory/3500-133-0x000000000055D000-0x000000000057F000-memory.dmp

Filesize
136KB

Download

Analysis

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