bbf708b334884f42cf9b47338fd9ccaf57de9fb09571ecc69004d21daf6b6557

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2023, 02:07

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General

Target

bbf708b334884f42cf9b47338fd9ccaf57de9fb09571ecc69004d21daf6b6557.exe
Size

277KB
MD5

227d90b5880da4de2319e1930e0eece5
SHA1

96c334dc28d6162fe629d75df6f598652d057c1e
SHA256

bbf708b334884f42cf9b47338fd9ccaf57de9fb09571ecc69004d21daf6b6557
SHA512

325621f9563f4894f29d41bb0082f1935823874c7122c96a0295b02e017aa670985438becad2bcabf25c572977db0868c221abf1cdedc5f92406ff4e608e9ebc
SSDEEP

3072:BNXEGZJWhfNFC4S60+XoLczrVmXmqdOUfAYdfiQrIXad/gBh/SLoH01ne4PKyxv:fXzKdNY49u8rVcbnYBh/f01nete

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-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	bbf708b334884f42cf9b47338fd9ccaf57de9fb09571ecc69004d21daf6b6557.exe

Executes dropped EXE 2 IoCs

pid	Process
2180	ITS SB App Switch.exe
1372	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/4940-133-0x0000000000C40000-0x0000000000CE0000-memory.dmp	upx
behavioral1/memory/4940-147-0x0000000000C40000-0x0000000000CE0000-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
4940	bbf708b334884f42cf9b47338fd9ccaf57de9fb09571ecc69004d21daf6b6557.exe
4940	bbf708b334884f42cf9b47338fd9ccaf57de9fb09571ecc69004d21daf6b6557.exe
4940	bbf708b334884f42cf9b47338fd9ccaf57de9fb09571ecc69004d21daf6b6557.exe
4940	bbf708b334884f42cf9b47338fd9ccaf57de9fb09571ecc69004d21daf6b6557.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4940 wrote to memory of 2180	4940	bbf708b334884f42cf9b47338fd9ccaf57de9fb09571ecc69004d21daf6b6557.exe	86
PID 4940 wrote to memory of 2180	4940	bbf708b334884f42cf9b47338fd9ccaf57de9fb09571ecc69004d21daf6b6557.exe	86
PID 4940 wrote to memory of 2180	4940	bbf708b334884f42cf9b47338fd9ccaf57de9fb09571ecc69004d21daf6b6557.exe	86
PID 4940 wrote to memory of 1372	4940	bbf708b334884f42cf9b47338fd9ccaf57de9fb09571ecc69004d21daf6b6557.exe	87
PID 4940 wrote to memory of 1372	4940	bbf708b334884f42cf9b47338fd9ccaf57de9fb09571ecc69004d21daf6b6557.exe	87
PID 4940 wrote to memory of 1372	4940	bbf708b334884f42cf9b47338fd9ccaf57de9fb09571ecc69004d21daf6b6557.exe	87

C:\Users\Admin\AppData\Local\Temp\bbf708b334884f42cf9b47338fd9ccaf57de9fb09571ecc69004d21daf6b6557.exe
"C:\Users\Admin\AppData\Local\Temp\bbf708b334884f42cf9b47338fd9ccaf57de9fb09571ecc69004d21daf6b6557.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4940
- 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:2180
- 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:1372

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/4940-133-0x0000000000C40000-0x0000000000CE0000-memory.dmp

Filesize
640KB

Download
memory/4940-147-0x0000000000C40000-0x0000000000CE0000-memory.dmp

Filesize
640KB

Download