c2f39465b830607493301a1ad2c7d500dfa06d4a015d3862adda31bd069a0f45

Analysis

max time kernel
135s
max time network
144s
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 08:46

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General

Target

c2f39465b830607493301a1ad2c7d500dfa06d4a015d3862adda31bd069a0f45.exe
Size

277KB
MD5

33fdb03e02fe19b7afd95817db3b2269
SHA1

b0164d1596c6cf8d905bea49fcf95531187a585c
SHA256

c2f39465b830607493301a1ad2c7d500dfa06d4a015d3862adda31bd069a0f45
SHA512

f9181150682569fb69efa13e88137286a849a4c0db340ea6f11b89cdc26570cb0502f48d7b2314c4b55ddc2fcf259c9c04fc4416cb1bba95f1d7f18b0ef6b383
SSDEEP

6144:BXzKdNY49u8rVaN/gkq+IyMePzL01net4:6a4AhN/gkqryMCL013

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:

c2f39465b830607493301a1ad2c7d500dfa06d4a015d3862adda31bd069a0f45.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	c2f39465b830607493301a1ad2c7d500dfa06d4a015d3862adda31bd069a0f45.exe

Executes dropped EXE 2 IoCs

Processes:

ITS SB App Switch.exeITS SB App Switch.exe

pid process

4432 ITS SB App Switch.exe
2276 ITS SB App Switch.exe

pid	process
4432	ITS SB App Switch.exe
2276	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/3492-134-0x00000000005D0000-0x0000000000670000-memory.dmp	upx
behavioral1/memory/3492-147-0x00000000005D0000-0x0000000000670000-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:

c2f39465b830607493301a1ad2c7d500dfa06d4a015d3862adda31bd069a0f45.exe

pid	process
3492	c2f39465b830607493301a1ad2c7d500dfa06d4a015d3862adda31bd069a0f45.exe
3492	c2f39465b830607493301a1ad2c7d500dfa06d4a015d3862adda31bd069a0f45.exe
3492	c2f39465b830607493301a1ad2c7d500dfa06d4a015d3862adda31bd069a0f45.exe
3492	c2f39465b830607493301a1ad2c7d500dfa06d4a015d3862adda31bd069a0f45.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

c2f39465b830607493301a1ad2c7d500dfa06d4a015d3862adda31bd069a0f45.exe

description	pid	process	target process
PID 3492 wrote to memory of 4432	3492	c2f39465b830607493301a1ad2c7d500dfa06d4a015d3862adda31bd069a0f45.exe	ITS SB App Switch.exe
PID 3492 wrote to memory of 4432	3492	c2f39465b830607493301a1ad2c7d500dfa06d4a015d3862adda31bd069a0f45.exe	ITS SB App Switch.exe
PID 3492 wrote to memory of 4432	3492	c2f39465b830607493301a1ad2c7d500dfa06d4a015d3862adda31bd069a0f45.exe	ITS SB App Switch.exe
PID 3492 wrote to memory of 2276	3492	c2f39465b830607493301a1ad2c7d500dfa06d4a015d3862adda31bd069a0f45.exe	ITS SB App Switch.exe
PID 3492 wrote to memory of 2276	3492	c2f39465b830607493301a1ad2c7d500dfa06d4a015d3862adda31bd069a0f45.exe	ITS SB App Switch.exe
PID 3492 wrote to memory of 2276	3492	c2f39465b830607493301a1ad2c7d500dfa06d4a015d3862adda31bd069a0f45.exe	ITS SB App Switch.exe

C:\Users\Admin\AppData\Local\Temp\c2f39465b830607493301a1ad2c7d500dfa06d4a015d3862adda31bd069a0f45.exe
"C:\Users\Admin\AppData\Local\Temp\c2f39465b830607493301a1ad2c7d500dfa06d4a015d3862adda31bd069a0f45.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3492

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:4432

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:2276

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/3492-134-0x00000000005D0000-0x0000000000670000-memory.dmp

Filesize
640KB

Download
memory/3492-147-0x00000000005D0000-0x0000000000670000-memory.dmp

Filesize
640KB

Download