ab25dfaa5cc7a5eaafa53e0a49ff5f18da9f2e7d14d375de5ec2bd756af3f16e

Analysis

max time kernel
83s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
27/11/2022, 15:17

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General

Target

ab25dfaa5cc7a5eaafa53e0a49ff5f18da9f2e7d14d375de5ec2bd756af3f16e.exe
Size

1.4MB
MD5

4bc99dde7f343ad8fc7f445a3bc92a57
SHA1

f073a7ffb6cd6647a550dfaab5c8d21557f1d00a
SHA256

ab25dfaa5cc7a5eaafa53e0a49ff5f18da9f2e7d14d375de5ec2bd756af3f16e
SHA512

9e3ab3310d64c47bce100ef18c44849a2242f21ba280f8c9daca318f468a60c54fe9caeed1a7fdaae1d36e3f10b1100839dc91c10ef69d0bc886a5d5825a1790
SSDEEP

24576:0O6irG/aXzp9d5KAzcigctKKQXTnzbi1nAOaBqNHLYMfukipGk0qhCGTFujO:0O+/RArgcAKwOAOaBCHLjuNGkNBujO

Score

8^/10

persistence upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1216-58-0x0000000010000000-0x000000001021A000-memory.dmp	upx
behavioral1/memory/1216-62-0x0000000010000000-0x000000001021A000-memory.dmp	upx
behavioral1/memory/1216-63-0x0000000010000000-0x000000001021A000-memory.dmp	upx
behavioral1/memory/1216-64-0x0000000010000000-0x000000001021A000-memory.dmp	upx
behavioral1/memory/1216-66-0x0000000010000000-0x000000001021A000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\TEST = "C:\\Users\\Admin\\AppData\\Roaming\\TEST\\TEST.exe"	calc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1552 set thread context of 1216	1552	ab25dfaa5cc7a5eaafa53e0a49ff5f18da9f2e7d14d375de5ec2bd756af3f16e.exe	29

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 10 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 1936	1552	ab25dfaa5cc7a5eaafa53e0a49ff5f18da9f2e7d14d375de5ec2bd756af3f16e.exe	28
PID 1552 wrote to memory of 1936	1552	ab25dfaa5cc7a5eaafa53e0a49ff5f18da9f2e7d14d375de5ec2bd756af3f16e.exe	28
PID 1552 wrote to memory of 1936	1552	ab25dfaa5cc7a5eaafa53e0a49ff5f18da9f2e7d14d375de5ec2bd756af3f16e.exe	28
PID 1552 wrote to memory of 1936	1552	ab25dfaa5cc7a5eaafa53e0a49ff5f18da9f2e7d14d375de5ec2bd756af3f16e.exe	28
PID 1552 wrote to memory of 1216	1552	ab25dfaa5cc7a5eaafa53e0a49ff5f18da9f2e7d14d375de5ec2bd756af3f16e.exe	29
PID 1552 wrote to memory of 1216	1552	ab25dfaa5cc7a5eaafa53e0a49ff5f18da9f2e7d14d375de5ec2bd756af3f16e.exe	29
PID 1552 wrote to memory of 1216	1552	ab25dfaa5cc7a5eaafa53e0a49ff5f18da9f2e7d14d375de5ec2bd756af3f16e.exe	29
PID 1552 wrote to memory of 1216	1552	ab25dfaa5cc7a5eaafa53e0a49ff5f18da9f2e7d14d375de5ec2bd756af3f16e.exe	29
PID 1552 wrote to memory of 1216	1552	ab25dfaa5cc7a5eaafa53e0a49ff5f18da9f2e7d14d375de5ec2bd756af3f16e.exe	29
PID 1552 wrote to memory of 1216	1552	ab25dfaa5cc7a5eaafa53e0a49ff5f18da9f2e7d14d375de5ec2bd756af3f16e.exe	29

C:\Users\Admin\AppData\Local\Temp\ab25dfaa5cc7a5eaafa53e0a49ff5f18da9f2e7d14d375de5ec2bd756af3f16e.exe
"C:\Users\Admin\AppData\Local\Temp\ab25dfaa5cc7a5eaafa53e0a49ff5f18da9f2e7d14d375de5ec2bd756af3f16e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1552
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  PID:1936
- C:\Windows\SysWOW64\calc.exe
  calc.exe
  2⤵
  - Adds Run key to start application
  PID:1216

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1216-56-0x0000000010000000-0x000000001021A000-memory.dmp

Filesize
2.1MB

Download
memory/1216-58-0x0000000010000000-0x000000001021A000-memory.dmp

Filesize
2.1MB

Download
memory/1216-62-0x0000000010000000-0x000000001021A000-memory.dmp

Filesize
2.1MB

Download
memory/1216-63-0x0000000010000000-0x000000001021A000-memory.dmp

Filesize
2.1MB

Download
memory/1216-64-0x0000000010000000-0x000000001021A000-memory.dmp

Filesize
2.1MB

Download
memory/1216-66-0x0000000010000000-0x000000001021A000-memory.dmp

Filesize
2.1MB

Download
memory/1552-54-0x0000000075241000-0x0000000075243000-memory.dmp

Filesize
8KB

Download
memory/1552-55-0x0000000000400000-0x0000000000575000-memory.dmp

Filesize
1.5MB

Download
memory/1552-65-0x0000000000400000-0x0000000000575000-memory.dmp

Filesize
1.5MB

Download