fc577b4ee4d692a5c9a5da639a74e3decf58e02a8c0571c65dd7de3c3637b1ce

Analysis

max time kernel
144s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
17/07/2023, 01:05

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General

Target

fc577b4ee4d692a5c9a5da639a74e3decf58e02a8c0571c65dd7de3c3637b1ce.exe
Size

277KB
MD5

7ddcfbc759a60abda5a7880b13790f46
SHA1

ef38636936c3f6f458ccd238535a029f3b921d70
SHA256

fc577b4ee4d692a5c9a5da639a74e3decf58e02a8c0571c65dd7de3c3637b1ce
SHA512

70cdcda98a52776e6ad6fae0edcaf35553df35b0160c6545ca6e3c6a8d4ff9f61b99839bee76d8eb684868fae602d87673e2557bc3b9a284ce93f8bafdebfaf9
SSDEEP

6144:sXzKdNY49u8rVVQAkV4dPMvc+/cv1n01netz:ja4AhAxd2/U01Q

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2444-133-0x0000000000FB0000-0x0000000001050000-memory.dmp	upx
behavioral1/memory/2444-147-0x0000000000FB0000-0x0000000001050000-memory.dmp	upx
behavioral1/memory/2444-148-0x0000000000FB0000-0x0000000001050000-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-1-5-21-1498570331-2313266200-788959944-1000\Control Panel\International\Geo\Nation	fc577b4ee4d692a5c9a5da639a74e3decf58e02a8c0571c65dd7de3c3637b1ce.exe

Executes dropped EXE 2 IoCs

pid	Process
1228	ITS SB App Switch.exe
4752	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
2444	fc577b4ee4d692a5c9a5da639a74e3decf58e02a8c0571c65dd7de3c3637b1ce.exe
2444	fc577b4ee4d692a5c9a5da639a74e3decf58e02a8c0571c65dd7de3c3637b1ce.exe
2444	fc577b4ee4d692a5c9a5da639a74e3decf58e02a8c0571c65dd7de3c3637b1ce.exe
2444	fc577b4ee4d692a5c9a5da639a74e3decf58e02a8c0571c65dd7de3c3637b1ce.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 1228	2444	fc577b4ee4d692a5c9a5da639a74e3decf58e02a8c0571c65dd7de3c3637b1ce.exe	86
PID 2444 wrote to memory of 1228	2444	fc577b4ee4d692a5c9a5da639a74e3decf58e02a8c0571c65dd7de3c3637b1ce.exe	86
PID 2444 wrote to memory of 1228	2444	fc577b4ee4d692a5c9a5da639a74e3decf58e02a8c0571c65dd7de3c3637b1ce.exe	86
PID 2444 wrote to memory of 4752	2444	fc577b4ee4d692a5c9a5da639a74e3decf58e02a8c0571c65dd7de3c3637b1ce.exe	87
PID 2444 wrote to memory of 4752	2444	fc577b4ee4d692a5c9a5da639a74e3decf58e02a8c0571c65dd7de3c3637b1ce.exe	87
PID 2444 wrote to memory of 4752	2444	fc577b4ee4d692a5c9a5da639a74e3decf58e02a8c0571c65dd7de3c3637b1ce.exe	87

C:\Users\Admin\AppData\Local\Temp\fc577b4ee4d692a5c9a5da639a74e3decf58e02a8c0571c65dd7de3c3637b1ce.exe
"C:\Users\Admin\AppData\Local\Temp\fc577b4ee4d692a5c9a5da639a74e3decf58e02a8c0571c65dd7de3c3637b1ce.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2444
- 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:1228
- 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:4752

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/2444-133-0x0000000000FB0000-0x0000000001050000-memory.dmp

Filesize
640KB

Download
memory/2444-147-0x0000000000FB0000-0x0000000001050000-memory.dmp

Filesize
640KB

Download
memory/2444-148-0x0000000000FB0000-0x0000000001050000-memory.dmp

Filesize
640KB

Download