4f6dfb69ccb148c66fa963b1db2a45d78d7e79c085495bd4cdc6bb2b783873d1

Analysis

max time kernel
115s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
12/04/2023, 16:48

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General

Target

4f6dfb69ccb148c66fa963b1db2a45d78d7e79c085495bd4cdc6bb2b783873d1.exe
Size

277KB
MD5

bb204fe58cfd5ef174af9ee0d0c3e99d
SHA1

1f7190921167163e69ccd1249037bec5dcd66293
SHA256

4f6dfb69ccb148c66fa963b1db2a45d78d7e79c085495bd4cdc6bb2b783873d1
SHA512

8c612cff8b3e35026f22359467ddd3708d451737c1e53c5ef2c79e4827547b88ec6ad3bb2593d305d5eddea191f498c198218726283e56d51bbe3cc6c89ef4e0
SSDEEP

3072:NNXEGZJWhfNFC4S60+XoLczrVmXAEhKRuKHVAYdfiQrImF+lASgnv3Ih1N1thA8I:LXzKdNY49u8rVnYASgv3IXNP301netC

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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	4f6dfb69ccb148c66fa963b1db2a45d78d7e79c085495bd4cdc6bb2b783873d1.exe

Executes dropped EXE 2 IoCs

pid	Process
452	ITS SB App Switch.exe
1008	ITS SB App Switch.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4924-133-0x0000000000B00000-0x0000000000BA0000-memory.dmp	upx
behavioral1/memory/4924-147-0x0000000000B00000-0x0000000000BA0000-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
4924	4f6dfb69ccb148c66fa963b1db2a45d78d7e79c085495bd4cdc6bb2b783873d1.exe
4924	4f6dfb69ccb148c66fa963b1db2a45d78d7e79c085495bd4cdc6bb2b783873d1.exe
4924	4f6dfb69ccb148c66fa963b1db2a45d78d7e79c085495bd4cdc6bb2b783873d1.exe
4924	4f6dfb69ccb148c66fa963b1db2a45d78d7e79c085495bd4cdc6bb2b783873d1.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4924 wrote to memory of 452	4924	4f6dfb69ccb148c66fa963b1db2a45d78d7e79c085495bd4cdc6bb2b783873d1.exe	84
PID 4924 wrote to memory of 452	4924	4f6dfb69ccb148c66fa963b1db2a45d78d7e79c085495bd4cdc6bb2b783873d1.exe	84
PID 4924 wrote to memory of 452	4924	4f6dfb69ccb148c66fa963b1db2a45d78d7e79c085495bd4cdc6bb2b783873d1.exe	84
PID 4924 wrote to memory of 1008	4924	4f6dfb69ccb148c66fa963b1db2a45d78d7e79c085495bd4cdc6bb2b783873d1.exe	85
PID 4924 wrote to memory of 1008	4924	4f6dfb69ccb148c66fa963b1db2a45d78d7e79c085495bd4cdc6bb2b783873d1.exe	85
PID 4924 wrote to memory of 1008	4924	4f6dfb69ccb148c66fa963b1db2a45d78d7e79c085495bd4cdc6bb2b783873d1.exe	85

C:\Users\Admin\AppData\Local\Temp\4f6dfb69ccb148c66fa963b1db2a45d78d7e79c085495bd4cdc6bb2b783873d1.exe
"C:\Users\Admin\AppData\Local\Temp\4f6dfb69ccb148c66fa963b1db2a45d78d7e79c085495bd4cdc6bb2b783873d1.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4924
- 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:452
- 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:1008

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/4924-133-0x0000000000B00000-0x0000000000BA0000-memory.dmp

Filesize
640KB

Download
memory/4924-147-0x0000000000B00000-0x0000000000BA0000-memory.dmp

Filesize
640KB

Download