c3f3247e4809f87dcf93eaa5dc6f530280ddda4221448743db1cfb7eeeee6a41

Analysis

max time kernel
109s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
18/03/2023, 19:54

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General

Target

c3f3247e4809f87dcf93eaa5dc6f530280ddda4221448743db1cfb7eeeee6a41.exe
Size

277KB
MD5

2a9cd5fc35dccfffc5049b27b7696d3f
SHA1

936ac98cf3d9aaa36fb835cb89c09e33304d2e39
SHA256

c3f3247e4809f87dcf93eaa5dc6f530280ddda4221448743db1cfb7eeeee6a41
SHA512

82d02b7bb979280d362b1d18a3018f4bb7676a0ee493190adf8dfd4783194768057b069508013633d71bb72603bd6e262e1f8a2fa45f373c481f843692f14912
SSDEEP

6144:rXzKdNY49u8rVfaKCROGvWz8mvP6r2N01netF:0a4A9FOGvWXbN01C

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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	c3f3247e4809f87dcf93eaa5dc6f530280ddda4221448743db1cfb7eeeee6a41.exe

Executes dropped EXE 2 IoCs

pid	Process
4368	ITS SB App Switch.exe
3324	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/2252-134-0x00000000002A0000-0x0000000000340000-memory.dmp	upx
behavioral1/memory/2252-147-0x00000000002A0000-0x0000000000340000-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
2252	c3f3247e4809f87dcf93eaa5dc6f530280ddda4221448743db1cfb7eeeee6a41.exe
2252	c3f3247e4809f87dcf93eaa5dc6f530280ddda4221448743db1cfb7eeeee6a41.exe
2252	c3f3247e4809f87dcf93eaa5dc6f530280ddda4221448743db1cfb7eeeee6a41.exe
2252	c3f3247e4809f87dcf93eaa5dc6f530280ddda4221448743db1cfb7eeeee6a41.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 4368	2252	c3f3247e4809f87dcf93eaa5dc6f530280ddda4221448743db1cfb7eeeee6a41.exe	87
PID 2252 wrote to memory of 4368	2252	c3f3247e4809f87dcf93eaa5dc6f530280ddda4221448743db1cfb7eeeee6a41.exe	87
PID 2252 wrote to memory of 4368	2252	c3f3247e4809f87dcf93eaa5dc6f530280ddda4221448743db1cfb7eeeee6a41.exe	87
PID 2252 wrote to memory of 3324	2252	c3f3247e4809f87dcf93eaa5dc6f530280ddda4221448743db1cfb7eeeee6a41.exe	88
PID 2252 wrote to memory of 3324	2252	c3f3247e4809f87dcf93eaa5dc6f530280ddda4221448743db1cfb7eeeee6a41.exe	88
PID 2252 wrote to memory of 3324	2252	c3f3247e4809f87dcf93eaa5dc6f530280ddda4221448743db1cfb7eeeee6a41.exe	88

C:\Users\Admin\AppData\Local\Temp\c3f3247e4809f87dcf93eaa5dc6f530280ddda4221448743db1cfb7eeeee6a41.exe
"C:\Users\Admin\AppData\Local\Temp\c3f3247e4809f87dcf93eaa5dc6f530280ddda4221448743db1cfb7eeeee6a41.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2252
- 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:4368
- 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:3324

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/2252-134-0x00000000002A0000-0x0000000000340000-memory.dmp

Filesize
640KB

Download
memory/2252-147-0x00000000002A0000-0x0000000000340000-memory.dmp

Filesize
640KB

Download