57d4f650bfce31b9ae59803b8eda8d31155ba36cab49e52c33078691bf9682a3

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16/04/2024, 20:46

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General

Target

$TEMP/svchost.exe
Size

168KB
MD5

a589909b706cb56ed100b34cd1eaba8f
SHA1

62f691d8ee9e68eb9ec4b1f5f81d2ac6d2329224
SHA256

53ad4387cc26ef8669004e1599b06a88218a47b8d627027466f73fb0aa891a88
SHA512

71df9e55e6eca7adea93abcc013ed1bd13e804cf54cb48f75da7ee162ad0331af7c86b658ed8a9f09b42ca55d14c29185ec8478424be31596c8a95fc8a268f31
SSDEEP

3072:wgXdZt9P6D3XJtlkFQP5Kyx3tnl7OlLaHyWS/17rC5Kyx3tnR:we34Pl7UyZtnl72LiMNCUyZtnR

Score

7^/10

persistence

Malware Config

Signatures

Loads dropped DLL 4 IoCs

pid	Process
2236	svchost.exe
2236	svchost.exe
2236	svchost.exe
2236	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

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral5/files/0x000a00000001223d-5.dat	nsis_installer_1
behavioral5/files/0x000a00000001223d-5.dat	nsis_installer_2

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2236	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
- Suspicious use of FindShellTrayWindow
PID:2236

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\messenger.exe

Filesize
91KB

MD5
72a6d43a220aff3e2c3afc7ee86f5cad

SHA1
5869f365812f998a71b35a75cc6ac992d964c535

SHA256
2ab5a4918151220fe90dac7309173248d01cd3d2ab4dbe1712049588a0aa5cd8

SHA512
2057fceb499730dbdb5707505154180c41f0a8086ce1734f2da785a393a19875594065cdf823c0120314b924a1dd11b96195f068069e6b21f33ea74f59005767

Download Submit
\Users\Admin\AppData\Local\Temp\nsjAD70.tmp\NSISArray.dll

Filesize
19KB

MD5
14b848866035dea39b912da628307231

SHA1
d00c8963aee8038d8a22f098cef69b31007196e5

SHA256
6a129a9eefae85a9412e889e0c74fdaa21d20254fa13cacef5429885775017dc

SHA512
4538058426c742bf7d823d1cac5303eeff8bf0b524459262181ac79695eead705e7590ae63ce996b8e3afd9a6c8d1fec503f9a11772ebe5c5c4e01930ed97b16

Download Submit
\Users\Admin\AppData\Local\Temp\nsjAD70.tmp\NSISdl.dll

Filesize
14KB

MD5
a5f8399a743ab7f9c88c645c35b1ebb5

SHA1
168f3c158913b0367bf79fa413357fbe97018191

SHA256
dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

SHA512
824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

Download Submit
memory/2236-1-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads