8838b0c84c1aabb70f0ec0ae8570a399e23945c6310370d28ac3bbc4fd1f5732

Analysis

max time kernel
52s
max time network
63s
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, 19:08

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General

Target

8838b0c84c1aabb70f0ec0ae8570a399e23945c6310370d28ac3bbc4fd1f5732.exe
Size

277KB
MD5

322cccb426d228823713d8b9b8143695
SHA1

cf379d0bf36131ca694c74a01502bda68bb1f06c
SHA256

8838b0c84c1aabb70f0ec0ae8570a399e23945c6310370d28ac3bbc4fd1f5732
SHA512

9a7f3180042c376a867a258a551d7c987e4efad7dcf946fb26e4b2dfa52fae47024560228fc98ec90639b601d155dfdc5de274bf8b72abefa037007cb0b5367c
SSDEEP

6144:4XzKdNY49u8rVC7tmT/TRPkTMekK0301netg:na4Alm/tPCNkl301j

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4124	ITS SB App Switch.exe
4556	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/3824-123-0x00000000000F0000-0x0000000000190000-memory.dmp	upx
behavioral1/memory/3824-216-0x00000000000F0000-0x0000000000190000-memory.dmp	upx
behavioral1/memory/3824-217-0x00000000000F0000-0x0000000000190000-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
3824	8838b0c84c1aabb70f0ec0ae8570a399e23945c6310370d28ac3bbc4fd1f5732.exe
3824	8838b0c84c1aabb70f0ec0ae8570a399e23945c6310370d28ac3bbc4fd1f5732.exe
3824	8838b0c84c1aabb70f0ec0ae8570a399e23945c6310370d28ac3bbc4fd1f5732.exe
3824	8838b0c84c1aabb70f0ec0ae8570a399e23945c6310370d28ac3bbc4fd1f5732.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3824 wrote to memory of 4124	3824	8838b0c84c1aabb70f0ec0ae8570a399e23945c6310370d28ac3bbc4fd1f5732.exe	67
PID 3824 wrote to memory of 4124	3824	8838b0c84c1aabb70f0ec0ae8570a399e23945c6310370d28ac3bbc4fd1f5732.exe	67
PID 3824 wrote to memory of 4124	3824	8838b0c84c1aabb70f0ec0ae8570a399e23945c6310370d28ac3bbc4fd1f5732.exe	67
PID 3824 wrote to memory of 4556	3824	8838b0c84c1aabb70f0ec0ae8570a399e23945c6310370d28ac3bbc4fd1f5732.exe	68
PID 3824 wrote to memory of 4556	3824	8838b0c84c1aabb70f0ec0ae8570a399e23945c6310370d28ac3bbc4fd1f5732.exe	68
PID 3824 wrote to memory of 4556	3824	8838b0c84c1aabb70f0ec0ae8570a399e23945c6310370d28ac3bbc4fd1f5732.exe	68

C:\Users\Admin\AppData\Local\Temp\8838b0c84c1aabb70f0ec0ae8570a399e23945c6310370d28ac3bbc4fd1f5732.exe
"C:\Users\Admin\AppData\Local\Temp\8838b0c84c1aabb70f0ec0ae8570a399e23945c6310370d28ac3bbc4fd1f5732.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3824
- 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:4124
- 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:4556

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/3824-149-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-152-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-119-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-120-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-121-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-122-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-124-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-123-0x00000000000F0000-0x0000000000190000-memory.dmp

Filesize
640KB

Download
memory/3824-125-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-126-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-127-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-128-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-129-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-130-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-131-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-132-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-133-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-134-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-135-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-136-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-137-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-138-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-139-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-140-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-141-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-142-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-143-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-144-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-145-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-146-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-147-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-148-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-117-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-153-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-118-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-151-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-150-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-154-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-155-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-156-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-157-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-158-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-163-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-167-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-170-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-171-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-217-0x00000000000F0000-0x0000000000190000-memory.dmp

Filesize
640KB

Download
memory/3824-216-0x00000000000F0000-0x0000000000190000-memory.dmp

Filesize
640KB

Download
memory/3824-116-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-184-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-183-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-173-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-175-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/3824-177-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/4124-161-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/4556-174-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/4556-182-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/4556-169-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/4556-178-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/4556-168-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/4556-176-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/4556-179-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/4556-172-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/4556-166-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/4556-165-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/4556-181-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download
memory/4556-180-0x00000000778F0000-0x0000000077A7E000-memory.dmp

Filesize
1.6MB

Download