3c359930632a04db72735f6952838cf784f260bbf64e6d58f71d55deff20edb1

Analysis

max time kernel
90s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
28-03-2023 05:17

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General

Target

3c359930632a04db72735f6952838cf784f260bbf64e6d58f71d55deff20edb1.exe
Size

277KB
MD5

eec2096f396b32e12db638eddf436fd9
SHA1

44811679222b4ae923609ad7a1f2a9838926114c
SHA256

3c359930632a04db72735f6952838cf784f260bbf64e6d58f71d55deff20edb1
SHA512

ea418384854b9d23c79c2da89d5216f60a74cb4744ca45f5a0b2e9f0186bc961659b945fe680ca7096ab64f8f079d187efcf8efd3e5238546f87a8d1377b6461
SSDEEP

6144:7XzKdNY49u8rVonCvFY27JCKvMiqGfZ01netS:Ea4AnqFYEkg01B

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

Processes:

3c359930632a04db72735f6952838cf784f260bbf64e6d58f71d55deff20edb1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	3c359930632a04db72735f6952838cf784f260bbf64e6d58f71d55deff20edb1.exe

Executes dropped EXE 2 IoCs

Processes:

ITS SB App Switch.exeITS SB App Switch.exe

pid process

3836 ITS SB App Switch.exe
4712 ITS SB App Switch.exe

pid	process
3836	ITS SB App Switch.exe
4712	ITS SB App Switch.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/3036-134-0x0000000000100000-0x00000000001A0000-memory.dmp	upx
behavioral1/memory/3036-147-0x0000000000100000-0x00000000001A0000-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

Processes:

3c359930632a04db72735f6952838cf784f260bbf64e6d58f71d55deff20edb1.exe

pid	process
3036	3c359930632a04db72735f6952838cf784f260bbf64e6d58f71d55deff20edb1.exe
3036	3c359930632a04db72735f6952838cf784f260bbf64e6d58f71d55deff20edb1.exe
3036	3c359930632a04db72735f6952838cf784f260bbf64e6d58f71d55deff20edb1.exe
3036	3c359930632a04db72735f6952838cf784f260bbf64e6d58f71d55deff20edb1.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3c359930632a04db72735f6952838cf784f260bbf64e6d58f71d55deff20edb1.exe

description	pid	process	target process
PID 3036 wrote to memory of 3836	3036	3c359930632a04db72735f6952838cf784f260bbf64e6d58f71d55deff20edb1.exe	ITS SB App Switch.exe
PID 3036 wrote to memory of 3836	3036	3c359930632a04db72735f6952838cf784f260bbf64e6d58f71d55deff20edb1.exe	ITS SB App Switch.exe
PID 3036 wrote to memory of 3836	3036	3c359930632a04db72735f6952838cf784f260bbf64e6d58f71d55deff20edb1.exe	ITS SB App Switch.exe
PID 3036 wrote to memory of 4712	3036	3c359930632a04db72735f6952838cf784f260bbf64e6d58f71d55deff20edb1.exe	ITS SB App Switch.exe
PID 3036 wrote to memory of 4712	3036	3c359930632a04db72735f6952838cf784f260bbf64e6d58f71d55deff20edb1.exe	ITS SB App Switch.exe
PID 3036 wrote to memory of 4712	3036	3c359930632a04db72735f6952838cf784f260bbf64e6d58f71d55deff20edb1.exe	ITS SB App Switch.exe

C:\Users\Admin\AppData\Local\Temp\3c359930632a04db72735f6952838cf784f260bbf64e6d58f71d55deff20edb1.exe
"C:\Users\Admin\AppData\Local\Temp\3c359930632a04db72735f6952838cf784f260bbf64e6d58f71d55deff20edb1.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3036

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:3836

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:4712

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

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/3036-134-0x0000000000100000-0x00000000001A0000-memory.dmp

Filesize
640KB

Download
memory/3036-147-0x0000000000100000-0x00000000001A0000-memory.dmp

Filesize
640KB

Download