2f7c6195415c8d32bbf266557f2e31b945204713487644c46328160d1e730337

Analysis

max time kernel
144s
max time network
146s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
14/12/2023, 01:47

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General

Target

build.exe
Size

575KB
MD5

4914bee9bf904b881fcb0f7fee9d0d76
SHA1

b31d933efd9aef7c571cd0fcd0e46ae4b8f8e0df
SHA256

797d8df51b4efddd420d5629bf7151fe233503b9056384a498c9112355bb5aa8
SHA512

b32388e46ee90bb5aa7bebb1e74d7d35c3b951bb51730aa50afab8f68353e89a0a90d5076c29f61162bd7002af0ff8e5cd9502dfe3a6f1f70d7390079e6563a0
SSDEEP

12288:yJWIL1y06PRyOqTusJiTJZJplL16sGYS67K:yYIw06ZyOqTuTNHL1PHS6m

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 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\Run\SDfgsdf = "C:\\Users\\Admin\\AppData\\Local\\Temp\\build.exe"	build.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	svchost.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2892 set thread context of 2940	2892	build.exe	28

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2892	build.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 2940	2892	build.exe	28
PID 2892 wrote to memory of 2940	2892	build.exe	28
PID 2892 wrote to memory of 2940	2892	build.exe	28
PID 2892 wrote to memory of 2940	2892	build.exe	28
PID 2892 wrote to memory of 2940	2892	build.exe	28
PID 2892 wrote to memory of 2940	2892	build.exe	28
PID 2892 wrote to memory of 2940	2892	build.exe	28

C:\Users\Admin\AppData\Local\Temp\build.exe
"C:\Users\Admin\AppData\Local\Temp\build.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k
  2⤵
  - Maps connected drives based on registry
  PID:2940

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2940-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2940-2-0x000007FFFFFDE000-0x000007FFFFFDF000-memory.dmp

Filesize
4KB

Download
memory/2940-3-0x0000000000420000-0x00000000004EE000-memory.dmp

Filesize
824KB

Download
memory/2940-5-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2940-8-0x0000000000420000-0x00000000004EE000-memory.dmp

Filesize
824KB

Download
memory/2940-9-0x0000000000420000-0x00000000004EE000-memory.dmp

Filesize
824KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads