4caa712ffa9598aa0c590047a6304fc5ea440807d5b1ead7ee0d5a7021dbff99

Analysis

max time kernel
135s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
05/05/2023, 18:57

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General

Target

4caa712ffa9598aa0c590047a6304fc5ea440807d5b1ead7ee0d5a7021dbff99.exe
Size

277KB
MD5

b25f818e21f9925ef5d4ae5c7cd8d17e
SHA1

d6b931ac7c09f1d4b728dd6c2681c395a5067b9b
SHA256

4caa712ffa9598aa0c590047a6304fc5ea440807d5b1ead7ee0d5a7021dbff99
SHA512

28117a24bf4ad2d2b08da66a720532e915f573393ab78aecd6d54d622a93dc3d9442bd436b8483598dda00e435c90775392fd81fa7287051ff1405f8f2b1ae85
SSDEEP

3072:YNXEGZJWhfNFC4S60+XoLczrVmXWrXPIX7te5hEi9ZP7aPQ8ug0x3xS6HkLWZIHi:mXzKdNY49u8rVrTnnqMg0x3j601netw

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4512-133-0x0000000000610000-0x00000000006B0000-memory.dmp	upx
behavioral1/memory/4512-143-0x0000000000610000-0x00000000006B0000-memory.dmp	upx

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-1-5-21-2548970870-3691742953-3895070203-1000\Control Panel\International\Geo\Nation	4caa712ffa9598aa0c590047a6304fc5ea440807d5b1ead7ee0d5a7021dbff99.exe

Executes dropped EXE 2 IoCs

pid	Process
3404	ITS SB App Switch.exe
436	ITS SB App Switch.exe

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
4512	4caa712ffa9598aa0c590047a6304fc5ea440807d5b1ead7ee0d5a7021dbff99.exe
4512	4caa712ffa9598aa0c590047a6304fc5ea440807d5b1ead7ee0d5a7021dbff99.exe
4512	4caa712ffa9598aa0c590047a6304fc5ea440807d5b1ead7ee0d5a7021dbff99.exe
4512	4caa712ffa9598aa0c590047a6304fc5ea440807d5b1ead7ee0d5a7021dbff99.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4512 wrote to memory of 3404	4512	4caa712ffa9598aa0c590047a6304fc5ea440807d5b1ead7ee0d5a7021dbff99.exe	82
PID 4512 wrote to memory of 3404	4512	4caa712ffa9598aa0c590047a6304fc5ea440807d5b1ead7ee0d5a7021dbff99.exe	82
PID 4512 wrote to memory of 3404	4512	4caa712ffa9598aa0c590047a6304fc5ea440807d5b1ead7ee0d5a7021dbff99.exe	82
PID 4512 wrote to memory of 436	4512	4caa712ffa9598aa0c590047a6304fc5ea440807d5b1ead7ee0d5a7021dbff99.exe	83
PID 4512 wrote to memory of 436	4512	4caa712ffa9598aa0c590047a6304fc5ea440807d5b1ead7ee0d5a7021dbff99.exe	83
PID 4512 wrote to memory of 436	4512	4caa712ffa9598aa0c590047a6304fc5ea440807d5b1ead7ee0d5a7021dbff99.exe	83

C:\Users\Admin\AppData\Local\Temp\4caa712ffa9598aa0c590047a6304fc5ea440807d5b1ead7ee0d5a7021dbff99.exe
"C:\Users\Admin\AppData\Local\Temp\4caa712ffa9598aa0c590047a6304fc5ea440807d5b1ead7ee0d5a7021dbff99.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4512
- 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:3404
- 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:436

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\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
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/4512-133-0x0000000000610000-0x00000000006B0000-memory.dmp

Filesize
640KB

Download
memory/4512-143-0x0000000000610000-0x00000000006B0000-memory.dmp

Filesize
640KB

Download