2871244b1f6ed26f66b1b8d75c192d6cd645376f3fa2083e4cecc6100ec83895

Analysis

max time kernel
106s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
13/05/2023, 17:37

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General

Target

2871244b1f6ed26f66b1b8d75c192d6cd645376f3fa2083e4cecc6100ec83895.exe
Size

277KB
MD5

3c9674168a446c61baef67cbfe793b76
SHA1

dd0a7f61b83f27d469600819c69aaa5faeb622e5
SHA256

2871244b1f6ed26f66b1b8d75c192d6cd645376f3fa2083e4cecc6100ec83895
SHA512

4cdc09ec3f9dbdb73dac17a3496672aa2c5403e053feb8a2cba06e641b7e3514f1fa88131c83c5e0fd03a93d3b59dd17ba4adb36368730c85851fca60a0b2652
SSDEEP

6144:6XzKdNY49u8rVnHghX9lk3nzlMY2qzXa01netQl:5a4AEk9qBzbXa019l

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/1664-133-0x00000000008E0000-0x0000000000980000-memory.dmp	upx
behavioral1/memory/1664-147-0x00000000008E0000-0x0000000000980000-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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	2871244b1f6ed26f66b1b8d75c192d6cd645376f3fa2083e4cecc6100ec83895.exe

Executes dropped EXE 2 IoCs

pid	Process
4968	ITS SB App Switch.exe
4600	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
1664	2871244b1f6ed26f66b1b8d75c192d6cd645376f3fa2083e4cecc6100ec83895.exe
1664	2871244b1f6ed26f66b1b8d75c192d6cd645376f3fa2083e4cecc6100ec83895.exe
1664	2871244b1f6ed26f66b1b8d75c192d6cd645376f3fa2083e4cecc6100ec83895.exe
1664	2871244b1f6ed26f66b1b8d75c192d6cd645376f3fa2083e4cecc6100ec83895.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 4968	1664	2871244b1f6ed26f66b1b8d75c192d6cd645376f3fa2083e4cecc6100ec83895.exe	84
PID 1664 wrote to memory of 4968	1664	2871244b1f6ed26f66b1b8d75c192d6cd645376f3fa2083e4cecc6100ec83895.exe	84
PID 1664 wrote to memory of 4968	1664	2871244b1f6ed26f66b1b8d75c192d6cd645376f3fa2083e4cecc6100ec83895.exe	84
PID 1664 wrote to memory of 4600	1664	2871244b1f6ed26f66b1b8d75c192d6cd645376f3fa2083e4cecc6100ec83895.exe	85
PID 1664 wrote to memory of 4600	1664	2871244b1f6ed26f66b1b8d75c192d6cd645376f3fa2083e4cecc6100ec83895.exe	85
PID 1664 wrote to memory of 4600	1664	2871244b1f6ed26f66b1b8d75c192d6cd645376f3fa2083e4cecc6100ec83895.exe	85

C:\Users\Admin\AppData\Local\Temp\2871244b1f6ed26f66b1b8d75c192d6cd645376f3fa2083e4cecc6100ec83895.exe
"C:\Users\Admin\AppData\Local\Temp\2871244b1f6ed26f66b1b8d75c192d6cd645376f3fa2083e4cecc6100ec83895.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1664
- 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:4968
- 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:4600

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/1664-133-0x00000000008E0000-0x0000000000980000-memory.dmp

Filesize
640KB

Download
memory/1664-147-0x00000000008E0000-0x0000000000980000-memory.dmp

Filesize
640KB

Download