ef3d3ae9e90c5a96d6fd777a8626229157f7200bd8e08d85a5f2f212b5c2a6d8

Analysis

max time kernel
93s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
05/06/2024, 11:32

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General

Target

ef3d3ae9e90c5a96d6fd777a8626229157f7200bd8e08d85a5f2f212b5c2a6d8.exe
Size

266KB
MD5

d8b45836ee7bcc96601b7ff78d45c3fc
SHA1

ec2a97d189b2c54da0ea3f395e913be6a14d589c
SHA256

ef3d3ae9e90c5a96d6fd777a8626229157f7200bd8e08d85a5f2f212b5c2a6d8
SHA512

98a68a601b0eb1e5765641f18293ac07088dc122285491a8b4a2de3c36477cb7ab96d7abab7f66e3a5962f10801dced87f2bb33822ed74893619ac486520ee93
SSDEEP

6144:eXzKdNY49u8rV11tZKwASgv3IXNPw01net:la4AO+SgvN01

Score

7^/10

upx

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-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	ef3d3ae9e90c5a96d6fd777a8626229157f7200bd8e08d85a5f2f212b5c2a6d8.exe

Executes dropped EXE 2 IoCs

pid	Process
3876	ITS SB App Switch.exe
2736	ITS SB App Switch.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1736-0-0x00000000008C0000-0x0000000000960000-memory.dmp	upx
behavioral1/memory/1736-15-0x00000000008C0000-0x0000000000960000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1736	ef3d3ae9e90c5a96d6fd777a8626229157f7200bd8e08d85a5f2f212b5c2a6d8.exe
1736	ef3d3ae9e90c5a96d6fd777a8626229157f7200bd8e08d85a5f2f212b5c2a6d8.exe
1736	ef3d3ae9e90c5a96d6fd777a8626229157f7200bd8e08d85a5f2f212b5c2a6d8.exe
1736	ef3d3ae9e90c5a96d6fd777a8626229157f7200bd8e08d85a5f2f212b5c2a6d8.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 3876	1736	ef3d3ae9e90c5a96d6fd777a8626229157f7200bd8e08d85a5f2f212b5c2a6d8.exe	81
PID 1736 wrote to memory of 3876	1736	ef3d3ae9e90c5a96d6fd777a8626229157f7200bd8e08d85a5f2f212b5c2a6d8.exe	81
PID 1736 wrote to memory of 3876	1736	ef3d3ae9e90c5a96d6fd777a8626229157f7200bd8e08d85a5f2f212b5c2a6d8.exe	81
PID 1736 wrote to memory of 2736	1736	ef3d3ae9e90c5a96d6fd777a8626229157f7200bd8e08d85a5f2f212b5c2a6d8.exe	82
PID 1736 wrote to memory of 2736	1736	ef3d3ae9e90c5a96d6fd777a8626229157f7200bd8e08d85a5f2f212b5c2a6d8.exe	82
PID 1736 wrote to memory of 2736	1736	ef3d3ae9e90c5a96d6fd777a8626229157f7200bd8e08d85a5f2f212b5c2a6d8.exe	82

C:\Users\Admin\AppData\Local\Temp\ef3d3ae9e90c5a96d6fd777a8626229157f7200bd8e08d85a5f2f212b5c2a6d8.exe
"C:\Users\Admin\AppData\Local\Temp\ef3d3ae9e90c5a96d6fd777a8626229157f7200bd8e08d85a5f2f212b5c2a6d8.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
  "C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"
  2⤵
  - Executes dropped EXE
  PID:3876
- C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe
  "C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe"
  2⤵
  - Executes dropped EXE
  PID:2736

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ITS\wincsecb\264\Production\ITS SB App Switch.exe

Filesize
87KB

MD5
368332fca74f48697d842c5f4698ae1d

SHA1
0275153a1e62bd0eca0b02168895517ed66aac56

SHA256
3a4a5b128c3a042010824fd33b719466b0d9320aa051ca3d5f1690124766ad59

SHA512
fd9f1d1a4337e00fef5e9ea10a7fdf553e98df2cf2fdf818b68689a89de3c1d324de389e0c9ef863fef08a3dff8150db173b2203e9e92efaea67865e8d2805b5

Download Submit
memory/1736-0-0x00000000008C0000-0x0000000000960000-memory.dmp

Filesize
640KB

Download
memory/1736-15-0x00000000008C0000-0x0000000000960000-memory.dmp

Filesize
640KB

Download