3b1688d1ed70c18e4258bd36c10c167a76702ab08f4d94b7a055f6d8bc9271c5

Analysis

max time kernel
55s
max time network
71s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
14/02/2023, 12:49

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General

Target

3b1688d1ed70c18e4258bd36c10c167a76702ab08f4d94b7a055f6d8bc9271c5.exe
Size

277KB
MD5

253f23771554dc34c6071254a7f0bd59
SHA1

fcb80514b97ecd8fcb779689a746c92e677479ab
SHA256

3b1688d1ed70c18e4258bd36c10c167a76702ab08f4d94b7a055f6d8bc9271c5
SHA512

46ec1151b9e6bfcd9b6de34e1a59711f8729c4d4b5743f8dd04fc1f7161fc4a540c255e9ea5ae9bd7e9befe1c15db8d72ff50b8ce617baf0860ec40ef6d53f8e
SSDEEP

3072:yNXEGZJWhfNFC4S60+XoLczrVmXUrXPIX7te5wEi9ZP7aPQ8ug0x3xS6HkLfkH0S:gXzKdNY49u8rVPTncqMg0x3jF01net/

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2140	ITS SB App Switch.exe
4760	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/2748-125-0x0000000000180000-0x0000000000220000-memory.dmp	upx
behavioral1/memory/2748-214-0x0000000000180000-0x0000000000220000-memory.dmp	upx
behavioral1/memory/2748-215-0x0000000000180000-0x0000000000220000-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
2748	3b1688d1ed70c18e4258bd36c10c167a76702ab08f4d94b7a055f6d8bc9271c5.exe
2748	3b1688d1ed70c18e4258bd36c10c167a76702ab08f4d94b7a055f6d8bc9271c5.exe
2748	3b1688d1ed70c18e4258bd36c10c167a76702ab08f4d94b7a055f6d8bc9271c5.exe
2748	3b1688d1ed70c18e4258bd36c10c167a76702ab08f4d94b7a055f6d8bc9271c5.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 2140	2748	3b1688d1ed70c18e4258bd36c10c167a76702ab08f4d94b7a055f6d8bc9271c5.exe	67
PID 2748 wrote to memory of 2140	2748	3b1688d1ed70c18e4258bd36c10c167a76702ab08f4d94b7a055f6d8bc9271c5.exe	67
PID 2748 wrote to memory of 2140	2748	3b1688d1ed70c18e4258bd36c10c167a76702ab08f4d94b7a055f6d8bc9271c5.exe	67
PID 2748 wrote to memory of 4760	2748	3b1688d1ed70c18e4258bd36c10c167a76702ab08f4d94b7a055f6d8bc9271c5.exe	66
PID 2748 wrote to memory of 4760	2748	3b1688d1ed70c18e4258bd36c10c167a76702ab08f4d94b7a055f6d8bc9271c5.exe	66
PID 2748 wrote to memory of 4760	2748	3b1688d1ed70c18e4258bd36c10c167a76702ab08f4d94b7a055f6d8bc9271c5.exe	66

C:\Users\Admin\AppData\Local\Temp\3b1688d1ed70c18e4258bd36c10c167a76702ab08f4d94b7a055f6d8bc9271c5.exe
"C:\Users\Admin\AppData\Local\Temp\3b1688d1ed70c18e4258bd36c10c167a76702ab08f4d94b7a055f6d8bc9271c5.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2748
- 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:4760
- 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:2140

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/2748-149-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-153-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-120-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-121-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-150-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-123-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-124-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-125-0x0000000000180000-0x0000000000220000-memory.dmp

Filesize
640KB

Download
memory/2748-126-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-127-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-128-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-129-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-130-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-131-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-132-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-133-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-134-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-135-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-136-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-138-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-139-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-137-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-140-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-141-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-142-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-143-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-144-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-146-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-145-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-147-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-148-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-115-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-122-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-119-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-182-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-151-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-154-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-155-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-156-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-118-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-215-0x0000000000180000-0x0000000000220000-memory.dmp

Filesize
640KB

Download
memory/2748-163-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-165-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-214-0x0000000000180000-0x0000000000220000-memory.dmp

Filesize
640KB

Download
memory/2748-157-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-116-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-172-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-174-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-117-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-177-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-178-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-179-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-180-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-181-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-175-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-169-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/2748-152-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/4760-171-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/4760-173-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/4760-166-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/4760-164-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/4760-162-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/4760-176-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/4760-170-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/4760-168-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/4760-183-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download
memory/4760-167-0x0000000077100000-0x000000007728E000-memory.dmp

Filesize
1.6MB

Download