259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4

General

Target

259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4.exe
Size

250KB
MD5

b4a97d88cfffc4297243eb8cd788eb43
SHA1

3ba3316fbf6a98d790404a8d4146bb976c7edf19
SHA256

259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4
SHA512

888af002f9cfb503fb7a7bb96464dfb5667122661e820ea7657c3d19df0bd8ee9c7a2473971cfe9a1ff89cb05b5aef36a27c26b6c1d2740d0a2ccbc67274c7c3
SSDEEP

6144:4S2Pzdiift/xdCN5WiBbE0MMNCGDckVaWHxTPdSIDwC5jutrD:j2rHtJdQPdM3GAwzTIIDwC9utrD

Score

9^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 3 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00080000000122e2-60.dat	acprotect
behavioral1/files/0x00080000000122e2-61.dat	acprotect
behavioral1/files/0x00080000000122e2-62.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
804	Au_.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00080000000122e2-60.dat	upx
behavioral1/files/0x00080000000122e2-61.dat	upx
behavioral1/files/0x00080000000122e2-62.dat	upx
behavioral1/memory/804-66-0x00000000742F0000-0x0000000074387000-memory.dmp	upx

Loads dropped DLL 5 IoCs

pid	Process
1280	259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4.exe
804	Au_.exe
804	Au_.exe
804	Au_.exe
804	Au_.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1280 wrote to memory of 804	1280	259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4.exe	28
PID 1280 wrote to memory of 804	1280	259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4.exe	28
PID 1280 wrote to memory of 804	1280	259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4.exe	28
PID 1280 wrote to memory of 804	1280	259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4.exe	28
PID 1280 wrote to memory of 804	1280	259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4.exe	28
PID 1280 wrote to memory of 804	1280	259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4.exe	28
PID 1280 wrote to memory of 804	1280	259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4.exe	28

C:\Users\Admin\AppData\Local\Temp\259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4.exe
"C:\Users\Admin\AppData\Local\Temp\259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1280
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:804

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe

Filesize
250KB

MD5
b4a97d88cfffc4297243eb8cd788eb43

SHA1
3ba3316fbf6a98d790404a8d4146bb976c7edf19

SHA256
259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4

SHA512
888af002f9cfb503fb7a7bb96464dfb5667122661e820ea7657c3d19df0bd8ee9c7a2473971cfe9a1ff89cb05b5aef36a27c26b6c1d2740d0a2ccbc67274c7c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe

Filesize
250KB

MD5
b4a97d88cfffc4297243eb8cd788eb43

SHA1
3ba3316fbf6a98d790404a8d4146bb976c7edf19

SHA256
259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4

SHA512
888af002f9cfb503fb7a7bb96464dfb5667122661e820ea7657c3d19df0bd8ee9c7a2473971cfe9a1ff89cb05b5aef36a27c26b6c1d2740d0a2ccbc67274c7c3

Download Submit
\Users\Admin\AppData\Local\Temp\nsyE302.tmp\MPlugin_NSIS.dll

Filesize
181KB

MD5
327880d7f4a76ac165918770f8476a78

SHA1
cc6907b073e172419903173beddbc12d9ca7ca6a

SHA256
c2422772b5b1afb18e8e1633f4b2dd3229f4c361c6560d0b9e35e13968cc3f23

SHA512
81f4382d43d89285d5827d1cefe619b154a05d8199072dbf40dae033bb7ab460858e62d6a9b691f5dc5fd52f7d2989cee0d7b1a4ca5fadb0cde8c27e9834ac19

Download Submit
\Users\Admin\AppData\Local\Temp\nsyE302.tmp\MPlugin_NSIS.dll

Filesize
181KB

MD5
327880d7f4a76ac165918770f8476a78

SHA1
cc6907b073e172419903173beddbc12d9ca7ca6a

SHA256
c2422772b5b1afb18e8e1633f4b2dd3229f4c361c6560d0b9e35e13968cc3f23

SHA512
81f4382d43d89285d5827d1cefe619b154a05d8199072dbf40dae033bb7ab460858e62d6a9b691f5dc5fd52f7d2989cee0d7b1a4ca5fadb0cde8c27e9834ac19

Download Submit
\Users\Admin\AppData\Local\Temp\nsyE302.tmp\MPlugin_NSIS.dll

Filesize
181KB

MD5
327880d7f4a76ac165918770f8476a78

SHA1
cc6907b073e172419903173beddbc12d9ca7ca6a

SHA256
c2422772b5b1afb18e8e1633f4b2dd3229f4c361c6560d0b9e35e13968cc3f23

SHA512
81f4382d43d89285d5827d1cefe619b154a05d8199072dbf40dae033bb7ab460858e62d6a9b691f5dc5fd52f7d2989cee0d7b1a4ca5fadb0cde8c27e9834ac19

Download Submit
\Users\Admin\AppData\Local\Temp\nsyE302.tmp\nsDialogs.dll

Filesize
9KB

MD5
2aba8f16eca82517460013a3de7cbf67

SHA1
3812192fa7b873f426c4b0d0d822b3c9d51aa164

SHA256
60b85fad2477b8c0138067be3697290b280b9334cf408cb57894e3baae615d0d

SHA512
4e059f70ef420c22d69199557ff3eab9e51fcefc75d220b057f1508f9566cd6251f9e06a8fe3695bf7d913ebabd2519ce52f485f2de9a5e4ab3ebc553b877fb0

Download Submit
\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe

Filesize
250KB

MD5
b4a97d88cfffc4297243eb8cd788eb43

SHA1
3ba3316fbf6a98d790404a8d4146bb976c7edf19

SHA256
259a45bffdea19b505c8efd9e45c0c664df4fac724be63e8deaec8695b1173e4

SHA512
888af002f9cfb503fb7a7bb96464dfb5667122661e820ea7657c3d19df0bd8ee9c7a2473971cfe9a1ff89cb05b5aef36a27c26b6c1d2740d0a2ccbc67274c7c3

Download Submit
memory/804-64-0x0000000074800000-0x0000000074897000-memory.dmp

Filesize
604KB

Download
memory/804-65-0x0000000074390000-0x0000000074427000-memory.dmp

Filesize
604KB

Download
memory/804-66-0x00000000742F0000-0x0000000074387000-memory.dmp

Filesize
604KB

Download
memory/1280-54-0x0000000075811000-0x0000000075813000-memory.dmp

Filesize
8KB

Download

Analysis

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