Analysis
- max time kernel
75s - max time network
129s - platform
windows10-2004_x64 - resource
win10v2004-20220721-en - resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system - submitted
26/07/2022, 07:28
Static task
static1
Behavioral task
behavioral1
Sample
ae366d3ea28c5c6873ef524c87485e0c.exe
Resource
win7-20220715-en
6 signatures
150 seconds
General
- Target ae366d3ea28c5c6873ef524c87485e0c.exe
- Size 403KB
- Sample220726-janmcaafe3
- SHA256 333fc6c84ff02a81fc125f7e6fba3e6bfe86a24606499d8cb6d578c698a3105b
- MD5 ae366d3ea28c5c6873ef524c87485e0c
- SHA1 eb9becd61d2a6eb9ea04899c9e8ba4cec70e4042
- SHA512 e776f62286fb76da40be5724a0e798e31dfa2240696a81a080edbec1cc119f1b06d2a6778ee789b239f80e6d3d0a59cdac880e0fb9f153a8a27c43ef321b7d60
- MD5 SHA1 SHA512
Malware Config
Signatures
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{C551EA64-CDF3-465D-80AA-C5B76985A6F7}.catalogItem svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{23839226-8021-4847-9A74-D8AE6DF6A0B2}.catalogItem svchost.exe - Program crash 1 IoCs
pid pid_target Process procid_target 4576 3108 WerFault.exe 74 - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe - Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU svchost.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 3108 ae366d3ea28c5c6873ef524c87485e0c.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3108 ae366d3ea28c5c6873ef524c87485e0c.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\ae366d3ea28c5c6873ef524c87485e0c.exe"C:\Users\Admin\AppData\Local\Temp\ae366d3ea28c5c6873ef524c87485e0c.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3108 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3108 -s 24802⤵
- Program crash
PID:4576
-
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4044
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3108 -ip 31081⤵PID:4468