e3646eaf7b5c8c1fb4426c9d2c735be82ada7a138e4e84cb091fd68ac13ce27c

Analysis

max time kernel
82s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
25/05/2023, 21:47

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General

Target

e3646eaf7b5c8c1fb4426c9d2c735be82ada7a138e4e84cb091fd68ac13ce27c.exe
Size

277KB
MD5

c1ee6979cb927717687f1fa5fdb9c7f3
SHA1

16cdc36def9c120dfb647f267fd9e56e78214b36
SHA256

e3646eaf7b5c8c1fb4426c9d2c735be82ada7a138e4e84cb091fd68ac13ce27c
SHA512

30d81aebf0c46dfaa4929778e1e2d2c11d3308a198f469d43839b4a4f9d22b74653697f3789b332ba45e907ef9c85a3664761b0c30fd879045460390694bc8db
SSDEEP

3072:0NXEGZJWhfNFC4S60+XoLczrVmXg3ht6t/S/koRyxZJN4oqzXGdVg0MH01ne4PKv:CXzKdNY49u8rVAasHHN4oqXGe01netv

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/852-134-0x0000000000D70000-0x0000000000E10000-memory.dmp	upx
behavioral1/memory/852-147-0x0000000000D70000-0x0000000000E10000-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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	e3646eaf7b5c8c1fb4426c9d2c735be82ada7a138e4e84cb091fd68ac13ce27c.exe

Executes dropped EXE 2 IoCs

pid	Process
2000	ITS SB App Switch.exe
4620	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
852	e3646eaf7b5c8c1fb4426c9d2c735be82ada7a138e4e84cb091fd68ac13ce27c.exe
852	e3646eaf7b5c8c1fb4426c9d2c735be82ada7a138e4e84cb091fd68ac13ce27c.exe
852	e3646eaf7b5c8c1fb4426c9d2c735be82ada7a138e4e84cb091fd68ac13ce27c.exe
852	e3646eaf7b5c8c1fb4426c9d2c735be82ada7a138e4e84cb091fd68ac13ce27c.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 852 wrote to memory of 2000	852	e3646eaf7b5c8c1fb4426c9d2c735be82ada7a138e4e84cb091fd68ac13ce27c.exe	84
PID 852 wrote to memory of 2000	852	e3646eaf7b5c8c1fb4426c9d2c735be82ada7a138e4e84cb091fd68ac13ce27c.exe	84
PID 852 wrote to memory of 2000	852	e3646eaf7b5c8c1fb4426c9d2c735be82ada7a138e4e84cb091fd68ac13ce27c.exe	84
PID 852 wrote to memory of 4620	852	e3646eaf7b5c8c1fb4426c9d2c735be82ada7a138e4e84cb091fd68ac13ce27c.exe	85
PID 852 wrote to memory of 4620	852	e3646eaf7b5c8c1fb4426c9d2c735be82ada7a138e4e84cb091fd68ac13ce27c.exe	85
PID 852 wrote to memory of 4620	852	e3646eaf7b5c8c1fb4426c9d2c735be82ada7a138e4e84cb091fd68ac13ce27c.exe	85

C:\Users\Admin\AppData\Local\Temp\e3646eaf7b5c8c1fb4426c9d2c735be82ada7a138e4e84cb091fd68ac13ce27c.exe
"C:\Users\Admin\AppData\Local\Temp\e3646eaf7b5c8c1fb4426c9d2c735be82ada7a138e4e84cb091fd68ac13ce27c.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:852
- 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:2000
- 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:4620

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/852-134-0x0000000000D70000-0x0000000000E10000-memory.dmp

Filesize
640KB

Download
memory/852-147-0x0000000000D70000-0x0000000000E10000-memory.dmp

Filesize
640KB

Download