81873306c042b255b5086e95bee960121105baa08971fa033d782b816c1a31c8

Analysis

max time kernel
49s
max time network
54s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
11/02/2023, 15:31

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General

Target

81873306c042b255b5086e95bee960121105baa08971fa033d782b816c1a31c8.exe
Size

277KB
MD5

8b970a66b5349943c552eae70463f1e3
SHA1

7d97b7e1df0492eeb35f19cc1e30c894ade2067a
SHA256

81873306c042b255b5086e95bee960121105baa08971fa033d782b816c1a31c8
SHA512

94b9f530c4f8652201db2c3235fac9118d9759d6adab21bd6d5cf605b0dfb5daf8bd77f0a2193316fe5acb250d1033f45a5a8a279b6491099fb6d0e49d281991
SSDEEP

6144:PXzKdNY49u8rV4vuymhV7k1QXzF5Oq801netS:Qa4AHmz/7lXiq801F

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
956	ITS SB App Switch.exe
1404	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/1532-132-0x0000000000020000-0x00000000000C0000-memory.dmp	upx
behavioral1/memory/1532-220-0x0000000000020000-0x00000000000C0000-memory.dmp	upx
behavioral1/memory/1532-221-0x0000000000020000-0x00000000000C0000-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
1532	81873306c042b255b5086e95bee960121105baa08971fa033d782b816c1a31c8.exe
1532	81873306c042b255b5086e95bee960121105baa08971fa033d782b816c1a31c8.exe
1532	81873306c042b255b5086e95bee960121105baa08971fa033d782b816c1a31c8.exe
1532	81873306c042b255b5086e95bee960121105baa08971fa033d782b816c1a31c8.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 956	1532	81873306c042b255b5086e95bee960121105baa08971fa033d782b816c1a31c8.exe	66
PID 1532 wrote to memory of 956	1532	81873306c042b255b5086e95bee960121105baa08971fa033d782b816c1a31c8.exe	66
PID 1532 wrote to memory of 956	1532	81873306c042b255b5086e95bee960121105baa08971fa033d782b816c1a31c8.exe	66
PID 1532 wrote to memory of 1404	1532	81873306c042b255b5086e95bee960121105baa08971fa033d782b816c1a31c8.exe	67
PID 1532 wrote to memory of 1404	1532	81873306c042b255b5086e95bee960121105baa08971fa033d782b816c1a31c8.exe	67
PID 1532 wrote to memory of 1404	1532	81873306c042b255b5086e95bee960121105baa08971fa033d782b816c1a31c8.exe	67

C:\Users\Admin\AppData\Local\Temp\81873306c042b255b5086e95bee960121105baa08971fa033d782b816c1a31c8.exe
"C:\Users\Admin\AppData\Local\Temp\81873306c042b255b5086e95bee960121105baa08971fa033d782b816c1a31c8.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1532
- 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:956
- 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:1404

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/956-165-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1404-185-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1404-176-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1404-187-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1404-188-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1404-179-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1404-182-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1404-180-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1404-184-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1404-174-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1404-173-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1404-169-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1404-171-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1404-168-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1404-177-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-137-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-138-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-141-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-142-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-143-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-144-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-145-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-146-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-147-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-148-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-149-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-150-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-151-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-152-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-154-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-153-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-155-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-156-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-157-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-158-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-159-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-160-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-161-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-162-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-139-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-140-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-120-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-136-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-135-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-170-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-134-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-132-0x0000000000020000-0x00000000000C0000-memory.dmp

Filesize
640KB

Download
memory/1532-133-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-131-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-178-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-129-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-130-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-128-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-127-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-126-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-186-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-125-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-183-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-181-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-124-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-123-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-175-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-172-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-122-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-121-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1532-220-0x0000000000020000-0x00000000000C0000-memory.dmp

Filesize
640KB

Download
memory/1532-221-0x0000000000020000-0x00000000000C0000-memory.dmp

Filesize
640KB

Download