771c28abe1a2c61c795455500f86434cf0271b3f3094474f2b487735552f5eee

Analysis

max time kernel
114s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
25/03/2023, 05:39

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General

Target

771c28abe1a2c61c795455500f86434cf0271b3f3094474f2b487735552f5eee.exe
Size

277KB
MD5

7b581d715bbb7e16154cee3e034f8d1b
SHA1

d442b7fcd6698f3da4cc978f409ae781556c6a8d
SHA256

771c28abe1a2c61c795455500f86434cf0271b3f3094474f2b487735552f5eee
SHA512

1f0188bde9a68a164e036051cb1d5ca7dc24c0301a06348b8dc773e30c8be3cfbbfaaa6126db1508ba6611fd48010508d5ea5a22ef13b18ed8e39852255d2e8a
SSDEEP

6144:jXzKdNY49u8rV4JmTASgv3IXNPE01neth:ca4AbJmUSgv301+

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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	771c28abe1a2c61c795455500f86434cf0271b3f3094474f2b487735552f5eee.exe

Executes dropped EXE 2 IoCs

pid	Process
624	ITS SB App Switch.exe
856	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/1852-133-0x0000000000DE0000-0x0000000000E80000-memory.dmp	upx
behavioral1/memory/1852-147-0x0000000000DE0000-0x0000000000E80000-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
1852	771c28abe1a2c61c795455500f86434cf0271b3f3094474f2b487735552f5eee.exe
1852	771c28abe1a2c61c795455500f86434cf0271b3f3094474f2b487735552f5eee.exe
1852	771c28abe1a2c61c795455500f86434cf0271b3f3094474f2b487735552f5eee.exe
1852	771c28abe1a2c61c795455500f86434cf0271b3f3094474f2b487735552f5eee.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 624	1852	771c28abe1a2c61c795455500f86434cf0271b3f3094474f2b487735552f5eee.exe	87
PID 1852 wrote to memory of 624	1852	771c28abe1a2c61c795455500f86434cf0271b3f3094474f2b487735552f5eee.exe	87
PID 1852 wrote to memory of 624	1852	771c28abe1a2c61c795455500f86434cf0271b3f3094474f2b487735552f5eee.exe	87
PID 1852 wrote to memory of 856	1852	771c28abe1a2c61c795455500f86434cf0271b3f3094474f2b487735552f5eee.exe	88
PID 1852 wrote to memory of 856	1852	771c28abe1a2c61c795455500f86434cf0271b3f3094474f2b487735552f5eee.exe	88
PID 1852 wrote to memory of 856	1852	771c28abe1a2c61c795455500f86434cf0271b3f3094474f2b487735552f5eee.exe	88

C:\Users\Admin\AppData\Local\Temp\771c28abe1a2c61c795455500f86434cf0271b3f3094474f2b487735552f5eee.exe
"C:\Users\Admin\AppData\Local\Temp\771c28abe1a2c61c795455500f86434cf0271b3f3094474f2b487735552f5eee.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1852
- 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:624
- 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:856

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/1852-133-0x0000000000DE0000-0x0000000000E80000-memory.dmp

Filesize
640KB

Download
memory/1852-147-0x0000000000DE0000-0x0000000000E80000-memory.dmp

Filesize
640KB

Download