4a41a804e9e68f8af6b9979edb1fab1ddf538eea46918973f146c87e45d7446e

Analysis

max time kernel
135s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
27/05/2023, 03:49

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General

Target

4a41a804e9e68f8af6b9979edb1fab1ddf538eea46918973f146c87e45d7446e.exe
Size

277KB
MD5

f8acb7d01ddf0772c25b66f529faa2f5
SHA1

afdeda36ee333680b3ead1680f33d55f330759b7
SHA256

4a41a804e9e68f8af6b9979edb1fab1ddf538eea46918973f146c87e45d7446e
SHA512

0f1f1f9aacdf0828a4aa25cf1330acc79e4923451c364bd2c483a367e2939752a06a86c7ce929d760e591b347a8c018c67870e010f9bd7c7301fb672cb2ee4d0
SSDEEP

3072:bNXEGZJWhfNFC4S60+XoLczrVmXisv1pm/spzWGLiw6Zau4NDBzdrmaDbIhKbH0Y:hXzKdNY49u8rVxsvW/1wzz9GKL01nett

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2576-134-0x0000000000D20000-0x0000000000DC0000-memory.dmp	upx
behavioral1/memory/2576-147-0x0000000000D20000-0x0000000000DC0000-memory.dmp	upx

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-1-5-21-2548970870-3691742953-3895070203-1000\Control Panel\International\Geo\Nation	4a41a804e9e68f8af6b9979edb1fab1ddf538eea46918973f146c87e45d7446e.exe

Executes dropped EXE 2 IoCs

pid	Process
4500	ITS SB App Switch.exe
3500	ITS SB App Switch.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2576	4a41a804e9e68f8af6b9979edb1fab1ddf538eea46918973f146c87e45d7446e.exe
2576	4a41a804e9e68f8af6b9979edb1fab1ddf538eea46918973f146c87e45d7446e.exe
2576	4a41a804e9e68f8af6b9979edb1fab1ddf538eea46918973f146c87e45d7446e.exe
2576	4a41a804e9e68f8af6b9979edb1fab1ddf538eea46918973f146c87e45d7446e.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 4500	2576	4a41a804e9e68f8af6b9979edb1fab1ddf538eea46918973f146c87e45d7446e.exe	82
PID 2576 wrote to memory of 4500	2576	4a41a804e9e68f8af6b9979edb1fab1ddf538eea46918973f146c87e45d7446e.exe	82
PID 2576 wrote to memory of 4500	2576	4a41a804e9e68f8af6b9979edb1fab1ddf538eea46918973f146c87e45d7446e.exe	82
PID 2576 wrote to memory of 3500	2576	4a41a804e9e68f8af6b9979edb1fab1ddf538eea46918973f146c87e45d7446e.exe	83
PID 2576 wrote to memory of 3500	2576	4a41a804e9e68f8af6b9979edb1fab1ddf538eea46918973f146c87e45d7446e.exe	83
PID 2576 wrote to memory of 3500	2576	4a41a804e9e68f8af6b9979edb1fab1ddf538eea46918973f146c87e45d7446e.exe	83

C:\Users\Admin\AppData\Local\Temp\4a41a804e9e68f8af6b9979edb1fab1ddf538eea46918973f146c87e45d7446e.exe
"C:\Users\Admin\AppData\Local\Temp\4a41a804e9e68f8af6b9979edb1fab1ddf538eea46918973f146c87e45d7446e.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2576
- 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:4500
- 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:3500

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/2576-134-0x0000000000D20000-0x0000000000DC0000-memory.dmp

Filesize
640KB

Download
memory/2576-147-0x0000000000D20000-0x0000000000DC0000-memory.dmp

Filesize
640KB

Download