4b97f28040445e2b7c92e433c018597695c4703365178cd3ddfa95e9a29bb966

Analysis

max time kernel
140s
max time network
143s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 15:45

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General

Target

2a5aba5e6d45b174e7ec704ee9a72d83.exe
Size

185KB
MD5

2a5aba5e6d45b174e7ec704ee9a72d83
SHA1

99a3bc86f55be596d03bc5c75e40cb8af21f5953
SHA256

4b97f28040445e2b7c92e433c018597695c4703365178cd3ddfa95e9a29bb966
SHA512

f368b1c2fd348454f989fd6c2febd1f59a9e9ac112051a26e1c5a944fc73c949a0a8c07a101eb003f0fb50d3b11b50f5287b76b54f40a062ab8147e4555dc5ce
SSDEEP

3072:bzrmMJPz3diLlsyp5+8zi+LPzy5nSUEaDNR+fin0oBOUh98bnw7nZnJcgU9:/aAulptziSwnvBxL7d

Score

7^/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/2652-4-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2652-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2652-8-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2652-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2652-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\VDC = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2a5aba5e6d45b174e7ec704ee9a72d83.exe /cs:1 "	2a5aba5e6d45b174e7ec704ee9a72d83.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\VDC = "\"C:\\ProgramData\\9ab3c5\\VD9ab_2327.exe\" /s"	2a5aba5e6d45b174e7ec704ee9a72d83.exe

Checks for any installed AV software in registry 1 TTPs 1 IoCs

Security Software Discovery

T1518.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Eset\Nod\	2a5aba5e6d45b174e7ec704ee9a72d83.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2156 set thread context of 2652	2156	2a5aba5e6d45b174e7ec704ee9a72d83.exe	28

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2652	2156	2a5aba5e6d45b174e7ec704ee9a72d83.exe	28
PID 2156 wrote to memory of 2652	2156	2a5aba5e6d45b174e7ec704ee9a72d83.exe	28
PID 2156 wrote to memory of 2652	2156	2a5aba5e6d45b174e7ec704ee9a72d83.exe	28
PID 2156 wrote to memory of 2652	2156	2a5aba5e6d45b174e7ec704ee9a72d83.exe	28
PID 2156 wrote to memory of 2652	2156	2a5aba5e6d45b174e7ec704ee9a72d83.exe	28
PID 2156 wrote to memory of 2652	2156	2a5aba5e6d45b174e7ec704ee9a72d83.exe	28

C:\Users\Admin\AppData\Local\Temp\2a5aba5e6d45b174e7ec704ee9a72d83.exe
"C:\Users\Admin\AppData\Local\Temp\2a5aba5e6d45b174e7ec704ee9a72d83.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Users\Admin\AppData\Local\Temp\2a5aba5e6d45b174e7ec704ee9a72d83.exe
  "C:\Users\Admin\AppData\Local\Temp\2a5aba5e6d45b174e7ec704ee9a72d83.exe" "C:\Users\Admin\AppData\Local\Temp\2a5aba5e6d45b174e7ec704ee9a72d83.exe"
  2⤵
  - Adds Run key to start application
  - Checks for any installed AV software in registry
  PID:2652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Software Discovery

T1518

Security Software Discovery

T1518.001

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2156-6-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2652-4-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2652-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2652-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2652-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2652-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2652-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2652-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads