914be79c80638787a90cb4d7598ad60a8f39634cb4858489bde36c0e32e235aa

Analysis

max time kernel
134s
max time network
149s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19-10-2022 18:09

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General

Target

file.exe
Size

457KB
MD5

9ecafa0a55d800f4293093989b90d595
SHA1

4b7388775266bf7b9edd19ff456f9dcc5a6bcd06
SHA256

914be79c80638787a90cb4d7598ad60a8f39634cb4858489bde36c0e32e235aa
SHA512

d43417b47641d815b99687c3418abb0fad2963f7466eac304d596ac61099f09ba1db3fce3a2b7e15a71f29e27476ef579b9e9200778d277acc470c26bc602b49
SSDEEP

3072:8ahKyd2n31If5HxTQ3fXaPm1cF8o4Y1Z8JP:8ahOOfTQvXaPm1cFrV4J

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

ANSWER~1.EXE

pid process

1932 ANSWER~1.EXE

pid	process
1932	ANSWER~1.EXE

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

file.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce	file.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\\\""	file.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ANSWER~1.EXE

description pid process

Token: SeDebugPrivilege 1932 ANSWER~1.EXE

description	pid	process
Token: SeDebugPrivilege	1932	ANSWER~1.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

file.exe

description	pid	process	target process
PID 1660 wrote to memory of 1932	1660	file.exe	ANSWER~1.EXE
PID 1660 wrote to memory of 1932	1660	file.exe	ANSWER~1.EXE
PID 1660 wrote to memory of 1932	1660	file.exe	ANSWER~1.EXE
PID 1660 wrote to memory of 1932	1660	file.exe	ANSWER~1.EXE

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1660

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ANSWER~1.EXE
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ANSWER~1.EXE
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1932

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ANSWER~1.EXE
Filesize
214.6MB

MD5
bb8689d9b974d82e1d538277a9e46ea3

SHA1
f2b6671113b9f855574369ead9dbbeb6acfdfefe

SHA256
4af7c294e7310214795adee79cf35eb1865ef3219f9b35335d19534941c8783d

SHA512
d2164c4e798d5cae0fcb2c7d589b12458a011d0ee26fdbb9e3d9995a5c1eba81a41914f06cb800fc00ed6a4befed89b14e7414ee974a6f22919b8ce58edf0304

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ANSWER~1.EXE
Filesize
214.6MB

MD5
bb8689d9b974d82e1d538277a9e46ea3

SHA1
f2b6671113b9f855574369ead9dbbeb6acfdfefe

SHA256
4af7c294e7310214795adee79cf35eb1865ef3219f9b35335d19534941c8783d

SHA512
d2164c4e798d5cae0fcb2c7d589b12458a011d0ee26fdbb9e3d9995a5c1eba81a41914f06cb800fc00ed6a4befed89b14e7414ee974a6f22919b8ce58edf0304

Download Submit
memory/1932-54-0x0000000000000000-mapping.dmp

Download
memory/1932-57-0x0000000000E30000-0x0000000000E42000-memory.dmp

Filesize
72KB

Download
memory/1932-58-0x0000000075F51000-0x0000000075F53000-memory.dmp

Filesize
8KB

Download