4cd45d9bf71422067e3769b993c8e047faa77c57202f1b9913ce8e9424078f72

Analysis

max time kernel
168s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2022 03:20

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General

Target

4cd45d9bf71422067e3769b993c8e047faa77c57202f1b9913ce8e9424078f72.exe
Size

41KB
MD5

71f5acf3d04df2bb0311ab2a46e3547a
SHA1

aa8f6a8925912b439ad514cd4c1c16966ba9405d
SHA256

4cd45d9bf71422067e3769b993c8e047faa77c57202f1b9913ce8e9424078f72
SHA512

c8ba33d3b1b38cfbf3aac1eacdec4f92fb612fdd4f1358bcc8e58553666ddea06a8323d6048407c4506d547a8a3ae208a3f1e9477b770c683bfd4b551534bb3e
SSDEEP

768:QIBar1ZIZYnfI9opm6AIHIjaI7g9mVmUnNoNE/W5dRV8:pW1ZIZqI9opm6AIHIjzmUmNzd

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2840	sxhost.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	4cd45d9bf71422067e3769b993c8e047faa77c57202f1b9913ce8e9424078f72.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	sxhost.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 2840	1076	4cd45d9bf71422067e3769b993c8e047faa77c57202f1b9913ce8e9424078f72.exe	81
PID 1076 wrote to memory of 2840	1076	4cd45d9bf71422067e3769b993c8e047faa77c57202f1b9913ce8e9424078f72.exe	81
PID 1076 wrote to memory of 2840	1076	4cd45d9bf71422067e3769b993c8e047faa77c57202f1b9913ce8e9424078f72.exe	81
PID 1076 wrote to memory of 4916	1076	4cd45d9bf71422067e3769b993c8e047faa77c57202f1b9913ce8e9424078f72.exe	82
PID 1076 wrote to memory of 4916	1076	4cd45d9bf71422067e3769b993c8e047faa77c57202f1b9913ce8e9424078f72.exe	82
PID 1076 wrote to memory of 4916	1076	4cd45d9bf71422067e3769b993c8e047faa77c57202f1b9913ce8e9424078f72.exe	82
PID 2840 wrote to memory of 4820	2840	sxhost.exe	84
PID 2840 wrote to memory of 4820	2840	sxhost.exe	84
PID 2840 wrote to memory of 4820	2840	sxhost.exe	84

C:\Users\Admin\AppData\Local\Temp\4cd45d9bf71422067e3769b993c8e047faa77c57202f1b9913ce8e9424078f72.exe
"C:\Users\Admin\AppData\Local\Temp\4cd45d9bf71422067e3769b993c8e047faa77c57202f1b9913ce8e9424078f72.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Users\Admin\sxhost.exe
  "C:\Users\Admin\sxhost.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c del C:\Users\Admin\sxhost.exe >> NUL
    3⤵
    PID:4820
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\4CD45D~1.EXE >> NUL
  2⤵
  PID:4916

Network

MITRE ATT&CK Enterprise v6

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

Replay Monitor

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Downloads

C:\Users\Admin\sxhost.exe

Filesize
41KB

MD5
71f5acf3d04df2bb0311ab2a46e3547a

SHA1
aa8f6a8925912b439ad514cd4c1c16966ba9405d

SHA256
4cd45d9bf71422067e3769b993c8e047faa77c57202f1b9913ce8e9424078f72

SHA512
c8ba33d3b1b38cfbf3aac1eacdec4f92fb612fdd4f1358bcc8e58553666ddea06a8323d6048407c4506d547a8a3ae208a3f1e9477b770c683bfd4b551534bb3e

Download Submit
C:\Users\Admin\sxhost.exe

Filesize
41KB

MD5
71f5acf3d04df2bb0311ab2a46e3547a

SHA1
aa8f6a8925912b439ad514cd4c1c16966ba9405d

SHA256
4cd45d9bf71422067e3769b993c8e047faa77c57202f1b9913ce8e9424078f72

SHA512
c8ba33d3b1b38cfbf3aac1eacdec4f92fb612fdd4f1358bcc8e58553666ddea06a8323d6048407c4506d547a8a3ae208a3f1e9477b770c683bfd4b551534bb3e

Download Submit
memory/1076-132-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1076-137-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2840-133-0x0000000000000000-mapping.dmp

Download
memory/2840-138-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2840-140-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4820-139-0x0000000000000000-mapping.dmp

Download
memory/4916-136-0x0000000000000000-mapping.dmp

Download