1a74996c1dfbff8a6b9a6daa482c440e081c7c0c9afb822ca47c68b2bec39157

Analysis

max time kernel
90s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
13-02-2023 23:52

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General

Target

1a74996c1dfbff8a6b9a6daa482c440e081c7c0c9afb822ca47c68b2bec39157.exe
Size

277KB
MD5

b03e77e2744f287f3cf16da65aa4c95e
SHA1

1caa2235990f9ebc7379b27dd37f0199a9b6645a
SHA256

1a74996c1dfbff8a6b9a6daa482c440e081c7c0c9afb822ca47c68b2bec39157
SHA512

8733865c22190bb7c0eec47dc842b736fabdd4a70fa7cb7c0a8dfada0490d92598a3bea0272dd944c8ba98d3762bb97f6a67a06c138bb06a09a183870b9b8c95
SSDEEP

3072:hNXEGZJWhfNFC4S60+XoLczrVmXhhRQGx0GSfeT0vcVyrefD5TFuRrUZ7JH01nex:/XzKdNY49u8rV+QZMlr5xuRrUn01netD

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	1a74996c1dfbff8a6b9a6daa482c440e081c7c0c9afb822ca47c68b2bec39157.exe

Executes dropped EXE 2 IoCs

pid	Process
1284	ITS SB App Switch.exe
1324	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/4936-135-0x0000000000190000-0x0000000000230000-memory.dmp	upx
behavioral1/memory/4936-140-0x0000000000190000-0x0000000000230000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4936	1a74996c1dfbff8a6b9a6daa482c440e081c7c0c9afb822ca47c68b2bec39157.exe
4936	1a74996c1dfbff8a6b9a6daa482c440e081c7c0c9afb822ca47c68b2bec39157.exe
4936	1a74996c1dfbff8a6b9a6daa482c440e081c7c0c9afb822ca47c68b2bec39157.exe
4936	1a74996c1dfbff8a6b9a6daa482c440e081c7c0c9afb822ca47c68b2bec39157.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 1284	4936	1a74996c1dfbff8a6b9a6daa482c440e081c7c0c9afb822ca47c68b2bec39157.exe	82
PID 4936 wrote to memory of 1284	4936	1a74996c1dfbff8a6b9a6daa482c440e081c7c0c9afb822ca47c68b2bec39157.exe	82
PID 4936 wrote to memory of 1284	4936	1a74996c1dfbff8a6b9a6daa482c440e081c7c0c9afb822ca47c68b2bec39157.exe	82
PID 4936 wrote to memory of 1324	4936	1a74996c1dfbff8a6b9a6daa482c440e081c7c0c9afb822ca47c68b2bec39157.exe	83
PID 4936 wrote to memory of 1324	4936	1a74996c1dfbff8a6b9a6daa482c440e081c7c0c9afb822ca47c68b2bec39157.exe	83
PID 4936 wrote to memory of 1324	4936	1a74996c1dfbff8a6b9a6daa482c440e081c7c0c9afb822ca47c68b2bec39157.exe	83

C:\Users\Admin\AppData\Local\Temp\1a74996c1dfbff8a6b9a6daa482c440e081c7c0c9afb822ca47c68b2bec39157.exe
"C:\Users\Admin\AppData\Local\Temp\1a74996c1dfbff8a6b9a6daa482c440e081c7c0c9afb822ca47c68b2bec39157.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4936
- 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:1284
- 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:1324

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
memory/4936-135-0x0000000000190000-0x0000000000230000-memory.dmp

Filesize
640KB

Download
memory/4936-140-0x0000000000190000-0x0000000000230000-memory.dmp

Filesize
640KB

Download