b9fd8d22ea5254185333301dea26f44841d8dbc509faaad91ee19c4f57b83b1a

Analysis

max time kernel
137s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
11-05-2023 02:46

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General

Target

b9fd8d22ea5254185333301dea26f44841d8dbc509faaad91ee19c4f57b83b1a.exe
Size

277KB
MD5

69b5b0b9d4dbb1088c67e83f2ac834e9
SHA1

8f076fb1ea12cbc4ba2b9da1b5dff4e0a5672c37
SHA256

b9fd8d22ea5254185333301dea26f44841d8dbc509faaad91ee19c4f57b83b1a
SHA512

c077c8f6e19ab78e83d7d7eb8a1c2c88f84a6151ceafe2f0c555c87b9a091824c7c4568a56811db3d6ec0f26488a1ff22209e057486e1a7b2198e70902736967
SSDEEP

3072:lNXEGZJWhfNFC4S60+XoLczrVmXnsFdsW/4aAoD1gad/gBh/SMTXH01ne4PKUxp:DXzKdNY49u8rVGsFd8wxYBh/x01netG

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/432-133-0x0000000000AF0000-0x0000000000B90000-memory.dmp	upx
behavioral1/memory/432-147-0x0000000000AF0000-0x0000000000B90000-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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	b9fd8d22ea5254185333301dea26f44841d8dbc509faaad91ee19c4f57b83b1a.exe

Executes dropped EXE 2 IoCs

pid	Process
2216	ITS SB App Switch.exe
2784	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
432	b9fd8d22ea5254185333301dea26f44841d8dbc509faaad91ee19c4f57b83b1a.exe
432	b9fd8d22ea5254185333301dea26f44841d8dbc509faaad91ee19c4f57b83b1a.exe
432	b9fd8d22ea5254185333301dea26f44841d8dbc509faaad91ee19c4f57b83b1a.exe
432	b9fd8d22ea5254185333301dea26f44841d8dbc509faaad91ee19c4f57b83b1a.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 2216	432	b9fd8d22ea5254185333301dea26f44841d8dbc509faaad91ee19c4f57b83b1a.exe	85
PID 432 wrote to memory of 2216	432	b9fd8d22ea5254185333301dea26f44841d8dbc509faaad91ee19c4f57b83b1a.exe	85
PID 432 wrote to memory of 2216	432	b9fd8d22ea5254185333301dea26f44841d8dbc509faaad91ee19c4f57b83b1a.exe	85
PID 432 wrote to memory of 2784	432	b9fd8d22ea5254185333301dea26f44841d8dbc509faaad91ee19c4f57b83b1a.exe	86
PID 432 wrote to memory of 2784	432	b9fd8d22ea5254185333301dea26f44841d8dbc509faaad91ee19c4f57b83b1a.exe	86
PID 432 wrote to memory of 2784	432	b9fd8d22ea5254185333301dea26f44841d8dbc509faaad91ee19c4f57b83b1a.exe	86

C:\Users\Admin\AppData\Local\Temp\b9fd8d22ea5254185333301dea26f44841d8dbc509faaad91ee19c4f57b83b1a.exe
"C:\Users\Admin\AppData\Local\Temp\b9fd8d22ea5254185333301dea26f44841d8dbc509faaad91ee19c4f57b83b1a.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:432
- 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:2216
- 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:2784

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/432-133-0x0000000000AF0000-0x0000000000B90000-memory.dmp

Filesize
640KB

Download
memory/432-147-0x0000000000AF0000-0x0000000000B90000-memory.dmp

Filesize
640KB

Download