efd663d52e395fd452c39df47451850c9ae14a5ddbcebc8732a4bee5ec67f7fe

Analysis

max time kernel
97s
max time network
101s
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, 14:38

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General

Target

efd663d52e395fd452c39df47451850c9ae14a5ddbcebc8732a4bee5ec67f7fe.exe
Size

277KB
MD5

ce7d4d054cb0ca4c7c19f1683e1a1866
SHA1

61889ba90cb070ec05c2e33fa9c5da15fa5fda6c
SHA256

efd663d52e395fd452c39df47451850c9ae14a5ddbcebc8732a4bee5ec67f7fe
SHA512

792d374e1db4fe0bb379c5b83eed6532598b2d5a40e345e2835cdc95b7aaa6cef28394377d2d37042aaf5485433c63d71329deadf5417c8632a3257a9f24b127
SSDEEP

3072:FNXEGZJWhfNFC4S60+XoLczrVmXKpC11E3lJkbZ+Y+x+tfnEafTkNH01ne4PKMxl:jXzKdNY49u8rVdB/kKInEafK01netmT

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2284	ITS SB App Switch.exe
3576	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/2744-123-0x0000000000C90000-0x0000000000D30000-memory.dmp	upx
behavioral1/memory/2744-213-0x0000000000C90000-0x0000000000D30000-memory.dmp	upx
behavioral1/memory/2744-215-0x0000000000C90000-0x0000000000D30000-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
2744	efd663d52e395fd452c39df47451850c9ae14a5ddbcebc8732a4bee5ec67f7fe.exe
2744	efd663d52e395fd452c39df47451850c9ae14a5ddbcebc8732a4bee5ec67f7fe.exe
2744	efd663d52e395fd452c39df47451850c9ae14a5ddbcebc8732a4bee5ec67f7fe.exe
2744	efd663d52e395fd452c39df47451850c9ae14a5ddbcebc8732a4bee5ec67f7fe.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2284	2744	efd663d52e395fd452c39df47451850c9ae14a5ddbcebc8732a4bee5ec67f7fe.exe	66
PID 2744 wrote to memory of 2284	2744	efd663d52e395fd452c39df47451850c9ae14a5ddbcebc8732a4bee5ec67f7fe.exe	66
PID 2744 wrote to memory of 2284	2744	efd663d52e395fd452c39df47451850c9ae14a5ddbcebc8732a4bee5ec67f7fe.exe	66
PID 2744 wrote to memory of 3576	2744	efd663d52e395fd452c39df47451850c9ae14a5ddbcebc8732a4bee5ec67f7fe.exe	67
PID 2744 wrote to memory of 3576	2744	efd663d52e395fd452c39df47451850c9ae14a5ddbcebc8732a4bee5ec67f7fe.exe	67
PID 2744 wrote to memory of 3576	2744	efd663d52e395fd452c39df47451850c9ae14a5ddbcebc8732a4bee5ec67f7fe.exe	67

C:\Users\Admin\AppData\Local\Temp\efd663d52e395fd452c39df47451850c9ae14a5ddbcebc8732a4bee5ec67f7fe.exe
"C:\Users\Admin\AppData\Local\Temp\efd663d52e395fd452c39df47451850c9ae14a5ddbcebc8732a4bee5ec67f7fe.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2744
- 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:2284
- 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:3576

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/2284-165-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-151-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-154-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-122-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-123-0x0000000000C90000-0x0000000000D30000-memory.dmp

Filesize
640KB

Download
memory/2744-124-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-125-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-126-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-127-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-128-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-129-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-130-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-131-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-132-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-133-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-134-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-135-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-136-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-152-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-138-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-139-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-140-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-141-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-142-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-143-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-144-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-145-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-146-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-148-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-149-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-150-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-120-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-147-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-121-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-153-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-137-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-155-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-156-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-157-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-158-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-159-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-160-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-161-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-162-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-170-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-215-0x0000000000C90000-0x0000000000D30000-memory.dmp

Filesize
640KB

Download
memory/2744-213-0x0000000000C90000-0x0000000000D30000-memory.dmp

Filesize
640KB

Download
memory/2744-185-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-181-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-177-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-174-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/3576-169-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/3576-172-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/3576-171-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/3576-178-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/3576-179-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/3576-180-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/3576-176-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/3576-175-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/3576-173-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/3576-186-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/3576-182-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/3576-187-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/3576-188-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/3576-184-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/3576-183-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download
memory/3576-168-0x00000000771E0000-0x000000007736E000-memory.dmp

Filesize
1.6MB

Download