b21727000b7c14aca7d07ff9fe80af299f949d6330dc57960ac4b3f31bc8b2be

Analysis

max time kernel
135s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2023, 13:31

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General

Target

b21727000b7c14aca7d07ff9fe80af299f949d6330dc57960ac4b3f31bc8b2be.exe
Size

277KB
MD5

66633ebbc6d6a8928ac418b54e8b0ba3
SHA1

2abf4eeb38e4530279d8eac3d77ee686e2012cf8
SHA256

b21727000b7c14aca7d07ff9fe80af299f949d6330dc57960ac4b3f31bc8b2be
SHA512

3f9a2fb62b02a09affd8afec96ad03dfb1a4a2259994a9564dbcac5880f2d8a87527707912171e907bef50898b3abecca8e82fb0b13df17fc0ae55e90677e01e
SSDEEP

6144:KXzKdNY49u8rV91tZKXjgT/TRPkTMekKLI01netP:Ja4A8mw/tPCNkUI01k

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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	b21727000b7c14aca7d07ff9fe80af299f949d6330dc57960ac4b3f31bc8b2be.exe

Executes dropped EXE 2 IoCs

pid	Process
4368	ITS SB App Switch.exe
3080	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/3448-132-0x0000000000A70000-0x0000000000B10000-memory.dmp	upx
behavioral1/memory/3448-138-0x0000000000A70000-0x0000000000B10000-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
3448	b21727000b7c14aca7d07ff9fe80af299f949d6330dc57960ac4b3f31bc8b2be.exe
3448	b21727000b7c14aca7d07ff9fe80af299f949d6330dc57960ac4b3f31bc8b2be.exe
3448	b21727000b7c14aca7d07ff9fe80af299f949d6330dc57960ac4b3f31bc8b2be.exe
3448	b21727000b7c14aca7d07ff9fe80af299f949d6330dc57960ac4b3f31bc8b2be.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3448 wrote to memory of 4368	3448	b21727000b7c14aca7d07ff9fe80af299f949d6330dc57960ac4b3f31bc8b2be.exe	80
PID 3448 wrote to memory of 4368	3448	b21727000b7c14aca7d07ff9fe80af299f949d6330dc57960ac4b3f31bc8b2be.exe	80
PID 3448 wrote to memory of 4368	3448	b21727000b7c14aca7d07ff9fe80af299f949d6330dc57960ac4b3f31bc8b2be.exe	80
PID 3448 wrote to memory of 3080	3448	b21727000b7c14aca7d07ff9fe80af299f949d6330dc57960ac4b3f31bc8b2be.exe	81
PID 3448 wrote to memory of 3080	3448	b21727000b7c14aca7d07ff9fe80af299f949d6330dc57960ac4b3f31bc8b2be.exe	81
PID 3448 wrote to memory of 3080	3448	b21727000b7c14aca7d07ff9fe80af299f949d6330dc57960ac4b3f31bc8b2be.exe	81

C:\Users\Admin\AppData\Local\Temp\b21727000b7c14aca7d07ff9fe80af299f949d6330dc57960ac4b3f31bc8b2be.exe
"C:\Users\Admin\AppData\Local\Temp\b21727000b7c14aca7d07ff9fe80af299f949d6330dc57960ac4b3f31bc8b2be.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3448
- 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:3080

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/3448-132-0x0000000000A70000-0x0000000000B10000-memory.dmp

Filesize
640KB

Download
memory/3448-138-0x0000000000A70000-0x0000000000B10000-memory.dmp

Filesize
640KB

Download