b3da759710cc624008762706b148e9dd25c58d4544950d69e4ee421e6eb7b623

Analysis

max time kernel
142s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
21-05-2024 08:37

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General

Target

b3da759710cc624008762706b148e9dd25c58d4544950d69e4ee421e6eb7b623.exe
Size

266KB
MD5

3cafb0f6b49ae45406bcb94889398692
SHA1

79b7dbf7cb0d99dd4f58cb5223d72544d498545b
SHA256

b3da759710cc624008762706b148e9dd25c58d4544950d69e4ee421e6eb7b623
SHA512

8a0cbed89420a424e9046e7cb8e0f5fc293e066e2b1aceabb692158664f739f696a84a8a2975b917677ad1fdb66141a41381b3ab19aa457a1da607183cc24afa
SSDEEP

3072:1NXEGZJWhfNFC4S60+XoLczrVmXKnywJoxZmHA1FLL5r6jQ6yGl1lb9H01ne4PK:TXzKdNY49u8rV1Jm441Gl501net

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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	b3da759710cc624008762706b148e9dd25c58d4544950d69e4ee421e6eb7b623.exe

Executes dropped EXE 2 IoCs

pid	Process
2672	ITS SB App Switch.exe
2872	ITS SB App Switch.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/5064-0-0x00000000002B0000-0x0000000000350000-memory.dmp	upx
behavioral1/memory/5064-10-0x00000000002B0000-0x0000000000350000-memory.dmp	upx
behavioral1/memory/5064-11-0x00000000002B0000-0x0000000000350000-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
5064	b3da759710cc624008762706b148e9dd25c58d4544950d69e4ee421e6eb7b623.exe
5064	b3da759710cc624008762706b148e9dd25c58d4544950d69e4ee421e6eb7b623.exe
5064	b3da759710cc624008762706b148e9dd25c58d4544950d69e4ee421e6eb7b623.exe
5064	b3da759710cc624008762706b148e9dd25c58d4544950d69e4ee421e6eb7b623.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5064 wrote to memory of 2672	5064	b3da759710cc624008762706b148e9dd25c58d4544950d69e4ee421e6eb7b623.exe	91
PID 5064 wrote to memory of 2672	5064	b3da759710cc624008762706b148e9dd25c58d4544950d69e4ee421e6eb7b623.exe	91
PID 5064 wrote to memory of 2672	5064	b3da759710cc624008762706b148e9dd25c58d4544950d69e4ee421e6eb7b623.exe	91
PID 5064 wrote to memory of 2872	5064	b3da759710cc624008762706b148e9dd25c58d4544950d69e4ee421e6eb7b623.exe	92
PID 5064 wrote to memory of 2872	5064	b3da759710cc624008762706b148e9dd25c58d4544950d69e4ee421e6eb7b623.exe	92
PID 5064 wrote to memory of 2872	5064	b3da759710cc624008762706b148e9dd25c58d4544950d69e4ee421e6eb7b623.exe	92

C:\Users\Admin\AppData\Local\Temp\b3da759710cc624008762706b148e9dd25c58d4544950d69e4ee421e6eb7b623.exe
"C:\Users\Admin\AppData\Local\Temp\b3da759710cc624008762706b148e9dd25c58d4544950d69e4ee421e6eb7b623.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5064
- 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:2672
- 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:2872

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3940 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
1⤵
PID:4864

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

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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/5064-0-0x00000000002B0000-0x0000000000350000-memory.dmp

Filesize
640KB

Download
memory/5064-10-0x00000000002B0000-0x0000000000350000-memory.dmp

Filesize
640KB

Download
memory/5064-11-0x00000000002B0000-0x0000000000350000-memory.dmp

Filesize
640KB

Download