99845dd2e08b6eb55b29d43ea9055a500604216cd54012d45029e1c5d3afedb4

Analysis

max time kernel
77s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
03/03/2023, 04:08

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General

Target

99845dd2e08b6eb55b29d43ea9055a500604216cd54012d45029e1c5d3afedb4.exe
Size

277KB
MD5

0d7a4d9ebc85a654532f6d61eba86064
SHA1

481b797c1759960b814e3960670effef79b92e90
SHA256

99845dd2e08b6eb55b29d43ea9055a500604216cd54012d45029e1c5d3afedb4
SHA512

40d9f6f7cc4538e0b0ec605cd01561471884a3ff38ae79a69f34d10d62b6b943d258808c5fc6b4b660e4c7ba160cbc63c566e7df90047e205846e0cb0b617550
SSDEEP

3072:iNXEGZJWhfNFC4S60+XoLczrVmXQV0H5gjWKK8/3UuwiDIAkJhgDdPNH01ne4PKg:QXzKdNY49u8rVzV0FypDIAygD301netg

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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	99845dd2e08b6eb55b29d43ea9055a500604216cd54012d45029e1c5d3afedb4.exe

Executes dropped EXE 2 IoCs

pid	Process
2300	ITS SB App Switch.exe
1340	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/4772-134-0x00000000009B0000-0x0000000000A50000-memory.dmp	upx
behavioral1/memory/4772-147-0x00000000009B0000-0x0000000000A50000-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
4772	99845dd2e08b6eb55b29d43ea9055a500604216cd54012d45029e1c5d3afedb4.exe
4772	99845dd2e08b6eb55b29d43ea9055a500604216cd54012d45029e1c5d3afedb4.exe
4772	99845dd2e08b6eb55b29d43ea9055a500604216cd54012d45029e1c5d3afedb4.exe
4772	99845dd2e08b6eb55b29d43ea9055a500604216cd54012d45029e1c5d3afedb4.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 2300	4772	99845dd2e08b6eb55b29d43ea9055a500604216cd54012d45029e1c5d3afedb4.exe	86
PID 4772 wrote to memory of 2300	4772	99845dd2e08b6eb55b29d43ea9055a500604216cd54012d45029e1c5d3afedb4.exe	86
PID 4772 wrote to memory of 2300	4772	99845dd2e08b6eb55b29d43ea9055a500604216cd54012d45029e1c5d3afedb4.exe	86
PID 4772 wrote to memory of 1340	4772	99845dd2e08b6eb55b29d43ea9055a500604216cd54012d45029e1c5d3afedb4.exe	87
PID 4772 wrote to memory of 1340	4772	99845dd2e08b6eb55b29d43ea9055a500604216cd54012d45029e1c5d3afedb4.exe	87
PID 4772 wrote to memory of 1340	4772	99845dd2e08b6eb55b29d43ea9055a500604216cd54012d45029e1c5d3afedb4.exe	87

C:\Users\Admin\AppData\Local\Temp\99845dd2e08b6eb55b29d43ea9055a500604216cd54012d45029e1c5d3afedb4.exe
"C:\Users\Admin\AppData\Local\Temp\99845dd2e08b6eb55b29d43ea9055a500604216cd54012d45029e1c5d3afedb4.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4772
- 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:2300
- 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:1340

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/4772-134-0x00000000009B0000-0x0000000000A50000-memory.dmp

Filesize
640KB

Download
memory/4772-147-0x00000000009B0000-0x0000000000A50000-memory.dmp

Filesize
640KB

Download