1c337f79b0369da21593045e5390d1f1d5f577a30703a2ee90327bb40fe70adc

Analysis

max time kernel
77s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
21/03/2023, 04:40

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General

Target

1c337f79b0369da21593045e5390d1f1d5f577a30703a2ee90327bb40fe70adc.exe
Size

277KB
MD5

2799e6bb23938fe0de429b2b0334aecd
SHA1

b5095ff09df809497c1cbde46b310fdd348c57e4
SHA256

1c337f79b0369da21593045e5390d1f1d5f577a30703a2ee90327bb40fe70adc
SHA512

5f741c7317b9c7dfb4af4faa84ed62e946d3d08f218d69fb35bffbda071387fc6067812236d2d88fe8f340a0b4f9c12b7d0e09dda83caea1f2a60a85bc69e620
SSDEEP

6144:2XzKdNY49u8rV1QwcUFkkQNltmkIg301netK:Na4AvI/YlX901B

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	1c337f79b0369da21593045e5390d1f1d5f577a30703a2ee90327bb40fe70adc.exe

Executes dropped EXE 2 IoCs

pid	Process
3468	ITS SB App Switch.exe
3240	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/5016-134-0x0000000000650000-0x00000000006F0000-memory.dmp	upx
behavioral1/memory/5016-147-0x0000000000650000-0x00000000006F0000-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
5016	1c337f79b0369da21593045e5390d1f1d5f577a30703a2ee90327bb40fe70adc.exe
5016	1c337f79b0369da21593045e5390d1f1d5f577a30703a2ee90327bb40fe70adc.exe
5016	1c337f79b0369da21593045e5390d1f1d5f577a30703a2ee90327bb40fe70adc.exe
5016	1c337f79b0369da21593045e5390d1f1d5f577a30703a2ee90327bb40fe70adc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 3468	5016	1c337f79b0369da21593045e5390d1f1d5f577a30703a2ee90327bb40fe70adc.exe	85
PID 5016 wrote to memory of 3468	5016	1c337f79b0369da21593045e5390d1f1d5f577a30703a2ee90327bb40fe70adc.exe	85
PID 5016 wrote to memory of 3468	5016	1c337f79b0369da21593045e5390d1f1d5f577a30703a2ee90327bb40fe70adc.exe	85
PID 5016 wrote to memory of 3240	5016	1c337f79b0369da21593045e5390d1f1d5f577a30703a2ee90327bb40fe70adc.exe	86
PID 5016 wrote to memory of 3240	5016	1c337f79b0369da21593045e5390d1f1d5f577a30703a2ee90327bb40fe70adc.exe	86
PID 5016 wrote to memory of 3240	5016	1c337f79b0369da21593045e5390d1f1d5f577a30703a2ee90327bb40fe70adc.exe	86

C:\Users\Admin\AppData\Local\Temp\1c337f79b0369da21593045e5390d1f1d5f577a30703a2ee90327bb40fe70adc.exe
"C:\Users\Admin\AppData\Local\Temp\1c337f79b0369da21593045e5390d1f1d5f577a30703a2ee90327bb40fe70adc.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5016
- 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:3468
- 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:3240

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/5016-134-0x0000000000650000-0x00000000006F0000-memory.dmp

Filesize
640KB

Download
memory/5016-147-0x0000000000650000-0x00000000006F0000-memory.dmp

Filesize
640KB

Download