9158fed9fb694bc7f7c0520205c101defdffe225a4c1f9af1a3c62314d51fdca

Analysis

max time kernel
7s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2024, 18:11

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General

Target

rufus-4.3p.exe
Size

1.4MB
MD5

12501c163c493bf13a05e5c042b576e3
SHA1

9f07ccd9a1d1e3fdd070948f04aa4277b6771a82
SHA256

9158fed9fb694bc7f7c0520205c101defdffe225a4c1f9af1a3c62314d51fdca
SHA512

a4e4d0ee96ce4636b596ac2a1374f375a56c0633e7f02139ba00563ae8630352a54a2a289b02d7651184541a720298d41b25d6198141cc4ce65d003bc4768e7c
SSDEEP

24576:CoRf/WouwddWDwEJ3xohbEsB7I0hKGfpdRimVtWJ5MW7UQnEl48BD/lHt+HsCL+V:CoJ/OEdWTIpEY7NzpdR4JnnEl4UDBQHg

Score

7^/10

evasion trojan upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1220-0-0x00007FF74DC30000-0x00007FF74E010000-memory.dmp	upx
behavioral2/memory/1220-52-0x00007FF74DC30000-0x00007FF74E010000-memory.dmp	upx
behavioral2/memory/1220-67-0x00007FF74DC30000-0x00007FF74E010000-memory.dmp	upx

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rufus-4.3p.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	rufus-4.3p.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	rufus-4.3p.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	rufus-4.3p.exe
File opened for modification	C:\Windows\System32\GroupPolicy	rufus-4.3p.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1220	rufus-4.3p.exe

C:\Users\Admin\AppData\Local\Temp\rufus-4.3p.exe
"C:\Users\Admin\AppData\Local\Temp\rufus-4.3p.exe"
1⤵
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:1220

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
PID:3860

C:\Windows\System32\vdsldr.exe
C:\Windows\System32\vdsldr.exe -Embedding
1⤵
PID:4216

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:2480

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:1500

C:\Windows\System32\vds.exe
C:\Windows\System32\vds.exe
1⤵
PID:3136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\rufus.ini

Filesize
41B

MD5
83903546f96533471998163f9c0df829

SHA1
af5a6313cbd83174053cf0d7b3ee690f36f892b3

SHA256
4f698d9a168878878311ff0bc2639ab46aebb22ead6b60cc728adf7029de6d89

SHA512
c7f1c798e378f7a6e92b50abd9240358b9120b31cb0d66f55d39be8439504e4dcaff4d833fc922560354f649846c96fb39b6c55b6f4ce6e15773bbceffba4ceb

Download Submit
C:\Users\Admin\AppData\Local\Temp\rufus.ini

Filesize
70B

MD5
865d3c4929bc4a6039fcc01e559c2efd

SHA1
a7906e37597c85581481e6aab99725410e924fa8

SHA256
968bfed1a38a8ca49076efbb0f9c8c0cbfb0a9dc1a9b1f055263ccb6e13ac33f

SHA512
39e9e9dcb1ae0afaa23893f859ba53990de910ac826c72cfe1aeb7ec40e5ca1c706750c73d9ee99e5175ce08ac5eed21ff6b3a96f85d4581efd74bd5c9f82287

Download Submit
memory/1220-0-0x00007FF74DC30000-0x00007FF74E010000-memory.dmp

Filesize
3.9MB

Download
memory/1220-52-0x00007FF74DC30000-0x00007FF74E010000-memory.dmp

Filesize
3.9MB

Download
memory/1220-67-0x00007FF74DC30000-0x00007FF74E010000-memory.dmp

Filesize
3.9MB

Download