15bb41a137892778dddca66d5ebdb7bcaa1f9519479f4c70942aa78af961f34b

Analysis

max time kernel
133s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 01:32

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General

Target

15bb41a137892778dddca66d5ebdb7bcaa1f9519479f4c70942aa78af961f34b.exe
Size

266KB
MD5

0e04e221c913fad2cc15fd09a5a12dd2
SHA1

f8accc0ac54b1c0422ed148ec267f4af46a738b9
SHA256

15bb41a137892778dddca66d5ebdb7bcaa1f9519479f4c70942aa78af961f34b
SHA512

0729a76ba980e4d081a167eead296e4a0534e69975ce113e2323cffbc6f8fb8606de14332a8283f952fcd4d9b7fe8ba8e50daa56549be0ab19a8959a4e60a98c
SSDEEP

3072:CNXEGZJWhfNFC4S60+XoLczrVmXVpCgEi9ZP7aPQ8ug0x3xSJodL8TH01ne4PK:wXzKdNY49u8rVCBqMg0x3yodU01net

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

Processes:

15bb41a137892778dddca66d5ebdb7bcaa1f9519479f4c70942aa78af961f34b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	15bb41a137892778dddca66d5ebdb7bcaa1f9519479f4c70942aa78af961f34b.exe

Executes dropped EXE 2 IoCs

Processes:

ITS SB App Switch.exeITS SB App Switch.exe

pid process

2092 ITS SB App Switch.exe
1776 ITS SB App Switch.exe

pid	process
2092	ITS SB App Switch.exe
1776	ITS SB App Switch.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/4872-0-0x00000000000A0000-0x0000000000140000-memory.dmp	upx
behavioral1/memory/4872-14-0x00000000000A0000-0x0000000000140000-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

Processes:

15bb41a137892778dddca66d5ebdb7bcaa1f9519479f4c70942aa78af961f34b.exe

pid	process
4872	15bb41a137892778dddca66d5ebdb7bcaa1f9519479f4c70942aa78af961f34b.exe
4872	15bb41a137892778dddca66d5ebdb7bcaa1f9519479f4c70942aa78af961f34b.exe
4872	15bb41a137892778dddca66d5ebdb7bcaa1f9519479f4c70942aa78af961f34b.exe
4872	15bb41a137892778dddca66d5ebdb7bcaa1f9519479f4c70942aa78af961f34b.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

15bb41a137892778dddca66d5ebdb7bcaa1f9519479f4c70942aa78af961f34b.exe

description	pid	process	target process
PID 4872 wrote to memory of 2092	4872	15bb41a137892778dddca66d5ebdb7bcaa1f9519479f4c70942aa78af961f34b.exe	ITS SB App Switch.exe
PID 4872 wrote to memory of 2092	4872	15bb41a137892778dddca66d5ebdb7bcaa1f9519479f4c70942aa78af961f34b.exe	ITS SB App Switch.exe
PID 4872 wrote to memory of 2092	4872	15bb41a137892778dddca66d5ebdb7bcaa1f9519479f4c70942aa78af961f34b.exe	ITS SB App Switch.exe
PID 4872 wrote to memory of 1776	4872	15bb41a137892778dddca66d5ebdb7bcaa1f9519479f4c70942aa78af961f34b.exe	ITS SB App Switch.exe
PID 4872 wrote to memory of 1776	4872	15bb41a137892778dddca66d5ebdb7bcaa1f9519479f4c70942aa78af961f34b.exe	ITS SB App Switch.exe
PID 4872 wrote to memory of 1776	4872	15bb41a137892778dddca66d5ebdb7bcaa1f9519479f4c70942aa78af961f34b.exe	ITS SB App Switch.exe

C:\Users\Admin\AppData\Local\Temp\15bb41a137892778dddca66d5ebdb7bcaa1f9519479f4c70942aa78af961f34b.exe
"C:\Users\Admin\AppData\Local\Temp\15bb41a137892778dddca66d5ebdb7bcaa1f9519479f4c70942aa78af961f34b.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4872

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:2092

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:1776

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/4872-0-0x00000000000A0000-0x0000000000140000-memory.dmp

Filesize
640KB

Download
memory/4872-14-0x00000000000A0000-0x0000000000140000-memory.dmp

Filesize
640KB

Download