43604623c6a589f3e4d5fae990eb982528b8063559e6c9505e0f01311a53aeb1

Analysis

max time kernel
131s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
11-02-2023 21:32

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General

Target

43604623c6a589f3e4d5fae990eb982528b8063559e6c9505e0f01311a53aeb1.exe
Size

277KB
MD5

6c43e8fd7407a44f936d55e57101097a
SHA1

a579533e8dd597889aad0eff6fc9b16cd563c8c7
SHA256

43604623c6a589f3e4d5fae990eb982528b8063559e6c9505e0f01311a53aeb1
SHA512

cfbee94801f812926453e139d51e6bf3a52a804e66f6951cb7afba1d138864270174a7d6b982838e0d7c6e1f7965b424d054586f4c2798cb4b781d0ba1856115
SSDEEP

6144:3XzKdNY49u8rVJA7EypDIAygDJ01netFU:Ia4A0AjMI01qU

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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	43604623c6a589f3e4d5fae990eb982528b8063559e6c9505e0f01311a53aeb1.exe

Executes dropped EXE 2 IoCs

pid	Process
4732	ITS SB App Switch.exe
4744	ITS SB App Switch.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1096-132-0x0000000000920000-0x00000000009C0000-memory.dmp	upx
behavioral1/memory/1096-137-0x0000000000920000-0x00000000009C0000-memory.dmp	upx
behavioral1/memory/1096-138-0x0000000000920000-0x00000000009C0000-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
1096	43604623c6a589f3e4d5fae990eb982528b8063559e6c9505e0f01311a53aeb1.exe
1096	43604623c6a589f3e4d5fae990eb982528b8063559e6c9505e0f01311a53aeb1.exe
1096	43604623c6a589f3e4d5fae990eb982528b8063559e6c9505e0f01311a53aeb1.exe
1096	43604623c6a589f3e4d5fae990eb982528b8063559e6c9505e0f01311a53aeb1.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 4732	1096	43604623c6a589f3e4d5fae990eb982528b8063559e6c9505e0f01311a53aeb1.exe	79
PID 1096 wrote to memory of 4732	1096	43604623c6a589f3e4d5fae990eb982528b8063559e6c9505e0f01311a53aeb1.exe	79
PID 1096 wrote to memory of 4732	1096	43604623c6a589f3e4d5fae990eb982528b8063559e6c9505e0f01311a53aeb1.exe	79
PID 1096 wrote to memory of 4744	1096	43604623c6a589f3e4d5fae990eb982528b8063559e6c9505e0f01311a53aeb1.exe	80
PID 1096 wrote to memory of 4744	1096	43604623c6a589f3e4d5fae990eb982528b8063559e6c9505e0f01311a53aeb1.exe	80
PID 1096 wrote to memory of 4744	1096	43604623c6a589f3e4d5fae990eb982528b8063559e6c9505e0f01311a53aeb1.exe	80

C:\Users\Admin\AppData\Local\Temp\43604623c6a589f3e4d5fae990eb982528b8063559e6c9505e0f01311a53aeb1.exe
"C:\Users\Admin\AppData\Local\Temp\43604623c6a589f3e4d5fae990eb982528b8063559e6c9505e0f01311a53aeb1.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1096
- 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:4732
- 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:4744

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
memory/1096-132-0x0000000000920000-0x00000000009C0000-memory.dmp

Filesize
640KB

Download
memory/1096-137-0x0000000000920000-0x00000000009C0000-memory.dmp

Filesize
640KB

Download
memory/1096-138-0x0000000000920000-0x00000000009C0000-memory.dmp

Filesize
640KB

Download
memory/4732-133-0x0000000000000000-mapping.dmp

Download
memory/4744-135-0x0000000000000000-mapping.dmp

Download