1c8e3744ff1a2c8d1fc856a71bb96960c48d19e874064d8200515af51145fb38

Analysis

max time kernel
102s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
20/05/2023, 06:56

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General

Target

1c8e3744ff1a2c8d1fc856a71bb96960c48d19e874064d8200515af51145fb38.exe
Size

277KB
MD5

4f09673330645c1657276268466d2484
SHA1

e1b5ec3897177911dfcc06adbb9bb29729a6e177
SHA256

1c8e3744ff1a2c8d1fc856a71bb96960c48d19e874064d8200515af51145fb38
SHA512

d8e97cfe722341c8b3bc4802eb8a415435618925d61e1ac4be6c0a503cc84dc4b27a31e72e07cb91eccfbcbcbd3e67191de3656904f6dd18dbe93c14a8b1712b
SSDEEP

6144:ZXzKdNY49u8rVcrNUFkkQNltmkIL01netm:Ca4A9rE/YlXG01J

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/536-134-0x0000000000C50000-0x0000000000CF0000-memory.dmp	upx
behavioral1/memory/536-147-0x0000000000C50000-0x0000000000CF0000-memory.dmp	upx

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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	1c8e3744ff1a2c8d1fc856a71bb96960c48d19e874064d8200515af51145fb38.exe

Executes dropped EXE 2 IoCs

pid	Process
2500	ITS SB App Switch.exe
4036	ITS SB App Switch.exe

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
536	1c8e3744ff1a2c8d1fc856a71bb96960c48d19e874064d8200515af51145fb38.exe
536	1c8e3744ff1a2c8d1fc856a71bb96960c48d19e874064d8200515af51145fb38.exe
536	1c8e3744ff1a2c8d1fc856a71bb96960c48d19e874064d8200515af51145fb38.exe
536	1c8e3744ff1a2c8d1fc856a71bb96960c48d19e874064d8200515af51145fb38.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 536 wrote to memory of 2500	536	1c8e3744ff1a2c8d1fc856a71bb96960c48d19e874064d8200515af51145fb38.exe	87
PID 536 wrote to memory of 2500	536	1c8e3744ff1a2c8d1fc856a71bb96960c48d19e874064d8200515af51145fb38.exe	87
PID 536 wrote to memory of 2500	536	1c8e3744ff1a2c8d1fc856a71bb96960c48d19e874064d8200515af51145fb38.exe	87
PID 536 wrote to memory of 4036	536	1c8e3744ff1a2c8d1fc856a71bb96960c48d19e874064d8200515af51145fb38.exe	88
PID 536 wrote to memory of 4036	536	1c8e3744ff1a2c8d1fc856a71bb96960c48d19e874064d8200515af51145fb38.exe	88
PID 536 wrote to memory of 4036	536	1c8e3744ff1a2c8d1fc856a71bb96960c48d19e874064d8200515af51145fb38.exe	88

C:\Users\Admin\AppData\Local\Temp\1c8e3744ff1a2c8d1fc856a71bb96960c48d19e874064d8200515af51145fb38.exe
"C:\Users\Admin\AppData\Local\Temp\1c8e3744ff1a2c8d1fc856a71bb96960c48d19e874064d8200515af51145fb38.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:536
- 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:2500
- 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:4036

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/536-134-0x0000000000C50000-0x0000000000CF0000-memory.dmp

Filesize
640KB

Download
memory/536-147-0x0000000000C50000-0x0000000000CF0000-memory.dmp

Filesize
640KB

Download