b4fa70e02c3146053774a66defbc3502ccc4f73dc4c9b08c702b81a5758566df

Analysis

max time kernel
139s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
14/11/2023, 15:07

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General

Target

b4fa70e02c3146053774a66defbc3502ccc4f73dc4c9b08c702b81a5758566df.exe
Size

266KB
MD5

4bcac9134ef689dcc6848af32215bda5
SHA1

342f009cee72889af13dccb2c16a549dfd40a875
SHA256

b4fa70e02c3146053774a66defbc3502ccc4f73dc4c9b08c702b81a5758566df
SHA512

bdf697e817d486dc2ae2e70e238efe2d1cc3ddcd71c304b180131c980b6410d194713aaa1474b200e6cef22f6e2fcb6623618d322c13544ed79d5251b80907b1
SSDEEP

6144:dXzKdNY49u8rVBuw1lRBSXNn2qNOw01net:+a4A4SNew01

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-1-5-21-2231940048-779848787-2990559741-1000\Control Panel\International\Geo\Nation	b4fa70e02c3146053774a66defbc3502ccc4f73dc4c9b08c702b81a5758566df.exe

Executes dropped EXE 2 IoCs

pid	Process
1044	ITS SB App Switch.exe
1804	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/4560-0-0x0000000000C70000-0x0000000000D10000-memory.dmp	upx
behavioral1/memory/4560-14-0x0000000000C70000-0x0000000000D10000-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
4560	b4fa70e02c3146053774a66defbc3502ccc4f73dc4c9b08c702b81a5758566df.exe
4560	b4fa70e02c3146053774a66defbc3502ccc4f73dc4c9b08c702b81a5758566df.exe
4560	b4fa70e02c3146053774a66defbc3502ccc4f73dc4c9b08c702b81a5758566df.exe
4560	b4fa70e02c3146053774a66defbc3502ccc4f73dc4c9b08c702b81a5758566df.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 1044	4560	b4fa70e02c3146053774a66defbc3502ccc4f73dc4c9b08c702b81a5758566df.exe	84
PID 4560 wrote to memory of 1044	4560	b4fa70e02c3146053774a66defbc3502ccc4f73dc4c9b08c702b81a5758566df.exe	84
PID 4560 wrote to memory of 1044	4560	b4fa70e02c3146053774a66defbc3502ccc4f73dc4c9b08c702b81a5758566df.exe	84
PID 4560 wrote to memory of 1804	4560	b4fa70e02c3146053774a66defbc3502ccc4f73dc4c9b08c702b81a5758566df.exe	85
PID 4560 wrote to memory of 1804	4560	b4fa70e02c3146053774a66defbc3502ccc4f73dc4c9b08c702b81a5758566df.exe	85
PID 4560 wrote to memory of 1804	4560	b4fa70e02c3146053774a66defbc3502ccc4f73dc4c9b08c702b81a5758566df.exe	85

C:\Users\Admin\AppData\Local\Temp\b4fa70e02c3146053774a66defbc3502ccc4f73dc4c9b08c702b81a5758566df.exe
"C:\Users\Admin\AppData\Local\Temp\b4fa70e02c3146053774a66defbc3502ccc4f73dc4c9b08c702b81a5758566df.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4560
- 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:1044
- 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:1804

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
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
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/4560-0-0x0000000000C70000-0x0000000000D10000-memory.dmp

Filesize
640KB

Download
memory/4560-14-0x0000000000C70000-0x0000000000D10000-memory.dmp

Filesize
640KB

Download