0f334dc32326237613989ff88a02a340ffac7e72084e4c45c13364be6d743b11

General

Target

e0595085ae332970b7ee2f7c4a79fc20N.exe
Size

246KB
MD5

e0595085ae332970b7ee2f7c4a79fc20
SHA1

98cd82952d9431217d151c4d0f7d33954649e92b
SHA256

0f334dc32326237613989ff88a02a340ffac7e72084e4c45c13364be6d743b11
SHA512

40f115aaf99657e30ed6748fc5658cdba55acf0a16d26c638c55afb131347658568baf207968b3dacc4c88eabbfe9ffcc6fcfa9a565574e724ab0463f2aa6eac
SSDEEP

3072:CTB4LEUcTjqU0r6y13Ix3V8xOTIKOZDBZcBkrjt/DeRufcJO0b0bFHrhIYa:GXTG6A3IkxsIKABZcyrRDeRufqj0UYa

Score

7^/10

credential_access discovery spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4420	TrustedInstaller.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4020-0-0x0000000000400000-0x0000000000467000-memory.dmp	upx
behavioral1/files/0x0008000000009da0-5.dat	upx
behavioral1/files/0x000100000001898c-12.dat	upx
behavioral1/memory/4020-19-0x0000000000400000-0x0000000000467000-memory.dmp	upx

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Enumerates connected drives 3 TTPs 21 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\H:	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened (read-only)	\??\K:	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened (read-only)	\??\L:	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened (read-only)	\??\Q:	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened (read-only)	\??\Z:	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened (read-only)	\??\J:	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened (read-only)	\??\M:	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened (read-only)	\??\N:	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened (read-only)	\??\S:	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened (read-only)	\??\W:	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened (read-only)	\??\G:	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened (read-only)	\??\O:	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened (read-only)	\??\R:	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened (read-only)	\??\U:	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened (read-only)	\??\E:	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened (read-only)	\??\I:	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened (read-only)	\??\P:	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened (read-only)	\??\T:	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened (read-only)	\??\V:	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened (read-only)	\??\X:	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened (read-only)	\??\Y:	e0595085ae332970b7ee2f7c4a79fc20N.exe

Drops file in System32 directory 27 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\SysWOW64\dllhost.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\snmptrap.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File created	C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.vir	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\Appvclient.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\diagsvcs\diagnosticshub.standardcollector.service.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\msdtc.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\locator.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\vds.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\sgrmbroker.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\tieringengineservice.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\fxssvc.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\msiexec.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File created	\??\c:\windows\SysWOW64\msiexec.vir	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\perceptionsimulation\perceptionsimulationservice.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\openssh\ssh-agent.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\wbengine.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\alg.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\lsass.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\perfhost.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\sensordataservice.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\spectrum.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\vssvc.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\svchost.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\searchindexer.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\Agentservice.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\SysWOW64\wbem\wmiApsrv.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe

Drops file in Program Files directory 13 IoCs

description	ioc	Process
File opened for modification	\??\c:\program files\google\chrome\Application\123.0.6312.123\elevation_service.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\program files (x86)\microsoft\edge\Application\92.0.902.67\elevation_service.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	C:\Program Files\Internet Explorer\iexplore.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\program files (x86)\google\update\googleupdate.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\program files (x86)\mozilla maintenance service\maintenanceservice.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\program files\common files\microsoft shared\source engine\ose.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\program files\windows media player\wmpnetwk.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File created	C:\Program Files\7-Zip\Uninstall.vir	e0595085ae332970b7ee2f7c4a79fc20N.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\microsoft.net\framework64\v3.0\wpf\presentationfontcache.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File opened for modification	\??\c:\windows\servicing\trustedinstaller.exe	e0595085ae332970b7ee2f7c4a79fc20N.exe
File created	C:\Windows\Logs\CBS\CBS.log	TrustedInstaller.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TrustedInstaller.exe

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	e0595085ae332970b7ee2f7c4a79fc20N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	4020	e0595085ae332970b7ee2f7c4a79fc20N.exe

C:\Users\Admin\AppData\Local\Temp\e0595085ae332970b7ee2f7c4a79fc20N.exe
"C:\Users\Admin\AppData\Local\Temp\e0595085ae332970b7ee2f7c4a79fc20N.exe"
1⤵
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4020

C:\Windows\servicing\TrustedInstaller.exe
C:\Windows\servicing\TrustedInstaller.exe
1⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:4420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

Filesize
527KB

MD5
7a25012afb5ba3e88e7380b3a4ac257d

SHA1
3c40ce84e370093802ec7e4252e40e5535ff19f1

SHA256
e59be1309b6d4de9eb16b7900793bf01b07cefc505eb83388141f7ea88d3eace

SHA512
42785c0a20ec186cfcf9024cafb412e7f509b5a16f63167032b6f47c097b293c89735fec340339e91e1991f07eb928624b42305e8445470d4b6b66f602ea73e5

Download Submit
C:\Windows\SysWOW64\msiexec.vir

Filesize
162KB

MD5
c4678874195133042e26121eecf2da41

SHA1
14065fa9fb0e85333a10ed1e92155282e9409697

SHA256
aba4bce981c37ad71048a89d1e01d3abcc8b35d1698d6842c355ad759c90b9fd

SHA512
5eeb2bce5cea7349317835cf15ecb36ddfc6ad290c859874af1c3c43cea08ac84cfb8e21deee9b87b0d460b6a41e7e0ace64ad25bde5968bdf76d8ed9363f3f9

Download Submit
C:\Windows\servicing\TrustedInstaller.exe

Filesize
193KB

MD5
805418acd5280e97074bdadca4d95195

SHA1
a69e4f03d775a7a0cc5ed2d5569cbfbb4d31d2d6

SHA256
73684e31ad4afe3fdc525b51ccaacc14d402c92db9c42e3fcbfe1e65524b1c01

SHA512
630a255950c0ae0983ae907d20326adea36ce262c7784428a0811b04726849c929bc9cea338a89e77447a6cec30b0889694158327c002566d3cf5be2bb88e4de

Download Submit
memory/4020-0-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download
memory/4020-19-0x0000000000400000-0x0000000000467000-memory.dmp

Filesize
412KB

Download

Analysis

Sharing