a333f98a6636503dcf18047486bdd51a67b0addb1014b049362d5d0769f3cb4b

Analysis

max time kernel
15s
max time network
20s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18-10-2024 12:23

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General

Target

$TEMP/svchost.exe
Size

168KB
MD5

0c3f735c0cca87b1da6956b216288d1f
SHA1

9dda74e792329af180d4b4ca8e7bd611e020fa44
SHA256

4b4cbdc0ead3480f31b7fb54bad8dd5913f4cf9aaee6b44d349c2e27940ec5e5
SHA512

8fd47a669fdc01c1a24a94dada599f2f23a2213daf827b233c180d9ebc6e902261f365423ed4729c8401658d41e97e802f8ebc3e918321394986a0938a65b647
SSDEEP

3072:wgXdZt9P6D3XJtnIFQP5Kyx3tnl7OlhTIwWjYx/gwb95Kyx3tnQ:we34PnnUyZtnl78RiYppUyZtnQ

Score

7^/10

discovery persistence

Malware Config

Signatures

Loads dropped DLL 4 IoCs

pid	Process
2620	svchost.exe
2620	svchost.exe
2620	svchost.exe
2620	svchost.exe

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\messenger.exe = "C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\Web Components\\messenger.exe"	svchost.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\microsoft shared\Web Components\messenger.exe	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral5/files/0x000b000000012254-5.dat	nsis_installer_1
behavioral5/files/0x000b000000012254-5.dat	nsis_installer_2

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2620	svchost.exe

C:\Users\Admin\AppData\Local\Temp\$TEMP\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\$TEMP\svchost.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
PID:2620

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\messenger.exe

Filesize
91KB

MD5
e745b649add2a0363e0339a62a77d0d9

SHA1
4af3f9f46112563e90dd001afa1776b96fa205c7

SHA256
73be7f6ed8d8cfa79107e3fd90fdfaac397054ed4ffb64779fdac09aeabd9da6

SHA512
e200e2db300566f5161909670b8120c00d1c8e53309cdad7d5a1e380508155552449891c54e70929e700fde9bc1927ea33425cf5d9bed2fe2d8fb91978c9b64d

Download Submit
\Users\Admin\AppData\Local\Temp\nseE85D.tmp\NSISArray.dll

Filesize
19KB

MD5
14b848866035dea39b912da628307231

SHA1
d00c8963aee8038d8a22f098cef69b31007196e5

SHA256
6a129a9eefae85a9412e889e0c74fdaa21d20254fa13cacef5429885775017dc

SHA512
4538058426c742bf7d823d1cac5303eeff8bf0b524459262181ac79695eead705e7590ae63ce996b8e3afd9a6c8d1fec503f9a11772ebe5c5c4e01930ed97b16

Download Submit
\Users\Admin\AppData\Local\Temp\nseE85D.tmp\NSISdl.dll

Filesize
14KB

MD5
a5f8399a743ab7f9c88c645c35b1ebb5

SHA1
168f3c158913b0367bf79fa413357fbe97018191

SHA256
dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

SHA512
824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

Download Submit
memory/2620-1-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads