1f37b35a4bd65e8eb607b2cc5d9e81eb15d5ed01b11ae7d4e893f3b9f9752fae

Analysis

max time kernel
55s
max time network
59s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
04/03/2023, 23:29

Target

1f37b35a4bd65e8eb607b2cc5d9e81eb15d5ed01b11ae7d4e893f3b9f9752fae.exe
Size

277KB
MD5

88d86b28162f3c59bcd3fd76c2ae6e34
SHA1

0059f36feba0fcacc7b5d57f5ff4b9020cf36a3f
SHA256

1f37b35a4bd65e8eb607b2cc5d9e81eb15d5ed01b11ae7d4e893f3b9f9752fae
SHA512

ea704ae04f491da4f5b2f579101f3d3ec8f6eb7ed29c427562c3467a79720aeb5cf1c8f087b6286b159c3756ad76ecd3d41437b66811c7fe4ef5ba07ac243fa3
SSDEEP

6144:ZXzKdNY49u8rVrJm4G40Ffx1oi401netw:Ca4AoJm4G4my01L

Score

7^/10

upx

Executes dropped EXE 2 IoCs

pid	Process
4520	ITS SB App Switch.exe
4908	ITS SB App Switch.exe

UPX packed file 2 IoCs

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

resource	yara_rule
behavioral1/memory/2500-120-0x0000000001090000-0x0000000001130000-memory.dmp	upx
behavioral1/memory/2500-127-0x0000000001090000-0x0000000001130000-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
2500	1f37b35a4bd65e8eb607b2cc5d9e81eb15d5ed01b11ae7d4e893f3b9f9752fae.exe
2500	1f37b35a4bd65e8eb607b2cc5d9e81eb15d5ed01b11ae7d4e893f3b9f9752fae.exe
2500	1f37b35a4bd65e8eb607b2cc5d9e81eb15d5ed01b11ae7d4e893f3b9f9752fae.exe
2500	1f37b35a4bd65e8eb607b2cc5d9e81eb15d5ed01b11ae7d4e893f3b9f9752fae.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 4520	2500	1f37b35a4bd65e8eb607b2cc5d9e81eb15d5ed01b11ae7d4e893f3b9f9752fae.exe	66
PID 2500 wrote to memory of 4520	2500	1f37b35a4bd65e8eb607b2cc5d9e81eb15d5ed01b11ae7d4e893f3b9f9752fae.exe	66
PID 2500 wrote to memory of 4520	2500	1f37b35a4bd65e8eb607b2cc5d9e81eb15d5ed01b11ae7d4e893f3b9f9752fae.exe	66
PID 2500 wrote to memory of 4908	2500	1f37b35a4bd65e8eb607b2cc5d9e81eb15d5ed01b11ae7d4e893f3b9f9752fae.exe	67
PID 2500 wrote to memory of 4908	2500	1f37b35a4bd65e8eb607b2cc5d9e81eb15d5ed01b11ae7d4e893f3b9f9752fae.exe	67
PID 2500 wrote to memory of 4908	2500	1f37b35a4bd65e8eb607b2cc5d9e81eb15d5ed01b11ae7d4e893f3b9f9752fae.exe	67

C:\Users\Admin\AppData\Local\Temp\1f37b35a4bd65e8eb607b2cc5d9e81eb15d5ed01b11ae7d4e893f3b9f9752fae.exe
"C:\Users\Admin\AppData\Local\Temp\1f37b35a4bd65e8eb607b2cc5d9e81eb15d5ed01b11ae7d4e893f3b9f9752fae.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2500
- 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:4520
- 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:4908

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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/2500-120-0x0000000001090000-0x0000000001130000-memory.dmp

Filesize
640KB

Download
memory/2500-127-0x0000000001090000-0x0000000001130000-memory.dmp

Filesize
640KB

Download