6ecff9d04bda4d4149f1a78486ede32e15a36b9d94fce5509467b3af1feede01

Analysis

max time kernel
105s
max time network
112s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
15-12-2022 17:16

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General

Target

VirtualBox-7.0.2-154219-Win/VirtualBox-7.0.2-154219-Win.exe
Size

677.9MB
MD5

670e50d1d17dce3d446919680dd657f0
SHA1

fdbba6ab2df85337f8fefec7da04323ba6e42107
SHA256

7f43dee28fdf815aca5367694540bcd514c2ad9c1a4c4bc645286403fffb4123
SHA512

ed31879ce1867b31b9f0868ff797ec92dfb5284381bada666636ff07eb9b4221f60a9fb549984d0b3272e619674031431c7498451ded735ad98de4db5a53e2ba
SSDEEP

3072:eahKyd2n31yS5LvfiP1yaX3KmC5wBCgBCwfjL1c1pcSsP1XBRWf9z:eahOcnHn9BF//1cUJU

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
692	BUSINE~3.EXE

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce	VirtualBox-7.0.2-154219-Win.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	VirtualBox-7.0.2-154219-Win.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	692	BUSINE~3.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1304 wrote to memory of 692	1304	VirtualBox-7.0.2-154219-Win.exe	28
PID 1304 wrote to memory of 692	1304	VirtualBox-7.0.2-154219-Win.exe	28
PID 1304 wrote to memory of 692	1304	VirtualBox-7.0.2-154219-Win.exe	28
PID 1304 wrote to memory of 692	1304	VirtualBox-7.0.2-154219-Win.exe	28

C:\Users\Admin\AppData\Local\Temp\VirtualBox-7.0.2-154219-Win\VirtualBox-7.0.2-154219-Win.exe
"C:\Users\Admin\AppData\Local\Temp\VirtualBox-7.0.2-154219-Win\VirtualBox-7.0.2-154219-Win.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1304
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BUSINE~3.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BUSINE~3.EXE
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:692

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BUSINE~3.EXE

Filesize
362.6MB

MD5
b57fd565047f69ed9031fe35607bc4de

SHA1
a34dcacc6f1915d500d8643a5e9e9b23f6c2eec1

SHA256
e7297f5162728d2282bd88f80583bd88d3075f0fbabd7568014a40e856aaa81a

SHA512
d9917bf7b8b396324cd0f77335b2fc8b5022376d646c06846e0a6c9f0908e5d4030443188913d6a9e0b1f6f763d8c9330c74d33edb55ee59690a2b5eabb64cd4

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BUSINE~3.EXE

Filesize
362.6MB

MD5
b57fd565047f69ed9031fe35607bc4de

SHA1
a34dcacc6f1915d500d8643a5e9e9b23f6c2eec1

SHA256
e7297f5162728d2282bd88f80583bd88d3075f0fbabd7568014a40e856aaa81a

SHA512
d9917bf7b8b396324cd0f77335b2fc8b5022376d646c06846e0a6c9f0908e5d4030443188913d6a9e0b1f6f763d8c9330c74d33edb55ee59690a2b5eabb64cd4

Download Submit
memory/692-57-0x0000000000280000-0x00000000002C0000-memory.dmp

Filesize
256KB

Download
memory/692-58-0x0000000075F01000-0x0000000075F03000-memory.dmp

Filesize
8KB

Download
memory/692-59-0x0000000004605000-0x0000000004616000-memory.dmp

Filesize
68KB

Download