1c9b5acdfffeff3d2a5763c78f056d66502c4095072ac561e788ca5374ca55bd

Analysis

max time kernel
140s
max time network
142s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
13/02/2023, 14:27

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General

Target

1c9b5acdfffeff3d2a5763c78f056d66502c4095072ac561e788ca5374ca55bd.exe
Size

277KB
MD5

d56aad03b9df2c9504137ab0be280279
SHA1

1ba34d3cc3c9dd36017c2752b6fba21a84d91cba
SHA256

1c9b5acdfffeff3d2a5763c78f056d66502c4095072ac561e788ca5374ca55bd
SHA512

aed15d03db8c06da20d8df29676251bac52c5842055d9720b3d793326fbafcfbf31eb08987407fc3a5cb5d7430f5384fb5047bd261a493e1e23691bd98eb9e96
SSDEEP

6144:sXzKdNY49u8rVnH0SEhI1pRDl8yuLoa01netf:ja4A+l80p2501w

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
972	ITS SB App Switch.exe
976	ITS SB App Switch.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3844-121-0x00000000013B0000-0x0000000001450000-memory.dmp	upx
behavioral1/memory/3844-215-0x00000000013B0000-0x0000000001450000-memory.dmp	upx
behavioral1/memory/3844-216-0x00000000013B0000-0x0000000001450000-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
3844	1c9b5acdfffeff3d2a5763c78f056d66502c4095072ac561e788ca5374ca55bd.exe
3844	1c9b5acdfffeff3d2a5763c78f056d66502c4095072ac561e788ca5374ca55bd.exe
3844	1c9b5acdfffeff3d2a5763c78f056d66502c4095072ac561e788ca5374ca55bd.exe
3844	1c9b5acdfffeff3d2a5763c78f056d66502c4095072ac561e788ca5374ca55bd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3844 wrote to memory of 972	3844	1c9b5acdfffeff3d2a5763c78f056d66502c4095072ac561e788ca5374ca55bd.exe	66
PID 3844 wrote to memory of 972	3844	1c9b5acdfffeff3d2a5763c78f056d66502c4095072ac561e788ca5374ca55bd.exe	66
PID 3844 wrote to memory of 972	3844	1c9b5acdfffeff3d2a5763c78f056d66502c4095072ac561e788ca5374ca55bd.exe	66
PID 3844 wrote to memory of 976	3844	1c9b5acdfffeff3d2a5763c78f056d66502c4095072ac561e788ca5374ca55bd.exe	67
PID 3844 wrote to memory of 976	3844	1c9b5acdfffeff3d2a5763c78f056d66502c4095072ac561e788ca5374ca55bd.exe	67
PID 3844 wrote to memory of 976	3844	1c9b5acdfffeff3d2a5763c78f056d66502c4095072ac561e788ca5374ca55bd.exe	67

C:\Users\Admin\AppData\Local\Temp\1c9b5acdfffeff3d2a5763c78f056d66502c4095072ac561e788ca5374ca55bd.exe
"C:\Users\Admin\AppData\Local\Temp\1c9b5acdfffeff3d2a5763c78f056d66502c4095072ac561e788ca5374ca55bd.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3844
- 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:972
- 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:976

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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
memory/972-160-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/976-171-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/976-177-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/976-174-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/976-169-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/976-179-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/976-168-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/976-167-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/976-164-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/976-163-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/976-180-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/976-175-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/976-172-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-132-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-131-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-134-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-135-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-136-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-137-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-138-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-139-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-140-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-141-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-142-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-143-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-145-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-144-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-146-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-148-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-147-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-149-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-150-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-151-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-152-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-153-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-154-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-155-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-156-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-157-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-115-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-133-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-130-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-129-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-128-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-127-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-165-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-124-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-126-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-125-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-170-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-123-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-122-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-166-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-173-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-120-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-176-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-121-0x00000000013B0000-0x0000000001450000-memory.dmp

Filesize
640KB

Download
memory/3844-119-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-181-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-118-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-182-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-183-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-178-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-117-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-116-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-215-0x00000000013B0000-0x0000000001450000-memory.dmp

Filesize
640KB

Download
memory/3844-216-0x00000000013B0000-0x0000000001450000-memory.dmp

Filesize
640KB

Download