75408e98bf0af7fed03b17a2804f2abffd4387e73ca035df2b9f7525035f8433

Analysis

max time kernel
140s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 04:01

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General

Target

045e629fbb1a43c1bfdf988d41b5bf14.exe
Size

8KB
MD5

045e629fbb1a43c1bfdf988d41b5bf14
SHA1

ef3508517be2d070d5c3021656185217909b7f64
SHA256

75408e98bf0af7fed03b17a2804f2abffd4387e73ca035df2b9f7525035f8433
SHA512

ca88d692c0948dbdd205d8417506f81c67931cc0b72149447df78521d0820ed4189addbab4f54aca5fe0db28784397fbb3f129b82065b680dfc64f89809de81f
SSDEEP

192:cHF7WRmbIR5ROwg6JQuEFaNJhLkwcud2DH9VwGfctlHO:QvyraaNJawcudoD7UC

Score

7^/10

upx

Malware Config

Signatures

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-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	045e629fbb1a43c1bfdf988d41b5bf14.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	b2e.exe

Executes dropped EXE 1 IoCs

pid	Process
1248	b2e.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/736-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/memory/736-11-0x0000000000400000-0x000000000040A000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 736 wrote to memory of 1248	736	045e629fbb1a43c1bfdf988d41b5bf14.exe	90
PID 736 wrote to memory of 1248	736	045e629fbb1a43c1bfdf988d41b5bf14.exe	90
PID 736 wrote to memory of 1248	736	045e629fbb1a43c1bfdf988d41b5bf14.exe	90
PID 1248 wrote to memory of 1144	1248	b2e.exe	91
PID 1248 wrote to memory of 1144	1248	b2e.exe	91
PID 1248 wrote to memory of 1144	1248	b2e.exe	91
PID 1144 wrote to memory of 3624	1144	cmd.exe	94
PID 1144 wrote to memory of 3624	1144	cmd.exe	94
PID 1144 wrote to memory of 3624	1144	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\045e629fbb1a43c1bfdf988d41b5bf14.exe
"C:\Users\Admin\AppData\Local\Temp\045e629fbb1a43c1bfdf988d41b5bf14.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:736
- C:\Users\Admin\AppData\Local\Temp\8BD5.tmp\b2e.exe
  "C:\Users\Admin\AppData\Local\Temp\8BD5.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8BD5.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\045e629fbb1a43c1bfdf988d41b5bf14.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1248
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8F7E.tmp\batchfile.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1144
  - - C:\Windows\SysWOW64\cmd.exe
      cmd
      4⤵
      PID:3624

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

C:\Users\Admin\AppData\Local\Temp\8BD5.tmp\b2e.exe

Filesize
8KB

MD5
8139d424b0f39e20cadcc94028ec27c4

SHA1
24824dfba68875053b1c5623c7b028fbcd9612cb

SHA256
191e63937668e2db8d599140c0b66f2d4dca3a52a4c9d8fc2cbb625a66642cf6

SHA512
e167ed97c71449a3c75ca6d4e808d78f9998cd259d3ecb290fef9de46c99a04fc02aac652d105c0ad12705cebc24ffd02ae6cb64eb63dbe6e893fec4f2842506

Download Submit
C:\Users\Admin\AppData\Local\Temp\8F7E.tmp\batchfile.bat

Filesize
59B

MD5
7e006b577f1ac3e6fa3bf0f9696de2ca

SHA1
fef244c3ca6fcf78341357b7041a4d10b54dcf4b

SHA256
9464cd9a92c1879d5c1cafaf6c601406559c491c0346e4db604c00ad9162713a

SHA512
2a53010c3d212a4d7473d8d8fabcd6e658acaaa21e823003d656f7333a280d9c983318ee3155382cef53d8106fdc36ccd2f4d500728fc94328f6059806b24313

Download Submit
memory/736-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/736-11-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1248-9-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1248-15-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download