d56e760930f02ad3b725ebb715a966bef6c8fbd60191229d05a9720e36ffcd42

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29-06-2024 01:27

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General

Target

17a2d4573bb70d9d3f13b2bb726b0930.dll
Size

89KB
MD5

17a2d4573bb70d9d3f13b2bb726b0930
SHA1

5d707d7cccb922804a5f07db926280b48df8d3d8
SHA256

d56e760930f02ad3b725ebb715a966bef6c8fbd60191229d05a9720e36ffcd42
SHA512

905e702474b7ef9c088f54f450f127fedac9fff8de9b2281fdba7ea87e38c22c8f71c57082c3eab85176fe0fcabd9ce7e415974e33446db8a43a9f9288618e8d
SSDEEP

1536:k6c2bcATlbcKNyRAONSNhJ4j0S546kei6N+FFkxB5usgjYqmdp205imseQ:kkI0tvwzpRi6brm0prEmsj

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs
Detects executables packed with UPX/modified UPX open source packer.
upx

Processes:

resource yara_rule

behavioral2/memory/2548-0-0x0000000000400000-0x000000000043F000-memory.dmp upx
Installs/modifies Browser Helper Object 2 TTPs 1 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
stealer adware

Modify Registry
T1112

Browser Extensions
T1176

Processes:

regsvr32.exe

description ioc process

Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{A70E37C7-B1D0-4DA6-8F72-C95046ED47A1} regsvr32.exe

resource	yara_rule
behavioral2/memory/2548-0-0x0000000000400000-0x000000000043F000-memory.dmp	upx

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{A70E37C7-B1D0-4DA6-8F72-C95046ED47A1}	regsvr32.exe

Modifies registry class 6 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A70E37C7-B1D0-4DA6-8F72-C95046ED47A1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A70E37C7-B1D0-4DA6-8F72-C95046ED47A1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\17a2d4573bb70d9d3f13b2bb726b0930.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A70E37C7-B1D0-4DA6-8F72-C95046ED47A1}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A70E37C7-B1D0-4DA6-8F72-C95046ED47A1}\InprocServer32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 1188 wrote to memory of 2548	1188	regsvr32.exe	regsvr32.exe
PID 1188 wrote to memory of 2548	1188	regsvr32.exe	regsvr32.exe
PID 1188 wrote to memory of 2548	1188	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\17a2d4573bb70d9d3f13b2bb726b0930.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1188

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\17a2d4573bb70d9d3f13b2bb726b0930.dll
2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:2548

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4460 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
1⤵
PID:2620

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2548-0-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2548-1-0x000000000042C000-0x000000000042D000-memory.dmp

Filesize
4KB

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