357c120980802c6c823494e5b8243c9df8b7ec38961d1271fb4fb8e466a3fc18

Analysis

max time kernel
135s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
21/05/2023, 03:28

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General

Target

357c120980802c6c823494e5b8243c9df8b7ec38961d1271fb4fb8e466a3fc18.exe
Size

277KB
MD5

a59d888d180f687c31e8362fa9e6b637
SHA1

3d76e0413634f84d7f65ea6813452fc737a761da
SHA256

357c120980802c6c823494e5b8243c9df8b7ec38961d1271fb4fb8e466a3fc18
SHA512

60a4f2287df85be816b6dd68bcf6870de191f22a755a66e09a5f79596afe6ef529c209ae1cf57f462c37d4441c8e07496ba5e3d5e4c95652f8a357bb4b02f054
SSDEEP

6144:yXzKdNY49u8rVi7tlzMlr5xuRrUVZ01net0:Ba4A9KlNxtZ01D

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/4668-134-0x0000000000640000-0x00000000006E0000-memory.dmp	upx
behavioral1/memory/4668-147-0x0000000000640000-0x00000000006E0000-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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	357c120980802c6c823494e5b8243c9df8b7ec38961d1271fb4fb8e466a3fc18.exe

Executes dropped EXE 2 IoCs

pid	Process
1380	ITS SB App Switch.exe
592	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
4668	357c120980802c6c823494e5b8243c9df8b7ec38961d1271fb4fb8e466a3fc18.exe
4668	357c120980802c6c823494e5b8243c9df8b7ec38961d1271fb4fb8e466a3fc18.exe
4668	357c120980802c6c823494e5b8243c9df8b7ec38961d1271fb4fb8e466a3fc18.exe
4668	357c120980802c6c823494e5b8243c9df8b7ec38961d1271fb4fb8e466a3fc18.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4668 wrote to memory of 1380	4668	357c120980802c6c823494e5b8243c9df8b7ec38961d1271fb4fb8e466a3fc18.exe	83
PID 4668 wrote to memory of 1380	4668	357c120980802c6c823494e5b8243c9df8b7ec38961d1271fb4fb8e466a3fc18.exe	83
PID 4668 wrote to memory of 1380	4668	357c120980802c6c823494e5b8243c9df8b7ec38961d1271fb4fb8e466a3fc18.exe	83
PID 4668 wrote to memory of 592	4668	357c120980802c6c823494e5b8243c9df8b7ec38961d1271fb4fb8e466a3fc18.exe	84
PID 4668 wrote to memory of 592	4668	357c120980802c6c823494e5b8243c9df8b7ec38961d1271fb4fb8e466a3fc18.exe	84
PID 4668 wrote to memory of 592	4668	357c120980802c6c823494e5b8243c9df8b7ec38961d1271fb4fb8e466a3fc18.exe	84

C:\Users\Admin\AppData\Local\Temp\357c120980802c6c823494e5b8243c9df8b7ec38961d1271fb4fb8e466a3fc18.exe
"C:\Users\Admin\AppData\Local\Temp\357c120980802c6c823494e5b8243c9df8b7ec38961d1271fb4fb8e466a3fc18.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4668
- 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:1380
- 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:592

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
memory/4668-134-0x0000000000640000-0x00000000006E0000-memory.dmp

Filesize
640KB

Download
memory/4668-147-0x0000000000640000-0x00000000006E0000-memory.dmp

Filesize
640KB

Download