Analysis
- max time kernel
119s - max time network
122s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
02/09/2024, 13:02
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
16c111672e8f0becdc8ae2e860594f90N.exe
Resource
win7-20240704-en
8 signatures
120 seconds
Behavioral task
behavioral2
Sample
16c111672e8f0becdc8ae2e860594f90N.exe
Resource
win10v2004-20240802-en
8 signatures
120 seconds
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240729-en
3 signatures
120 seconds
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
3 signatures
120 seconds
General
- Target 16c111672e8f0becdc8ae2e860594f90N.exe
- Size 655KB
- Sample240902-qaah2s1amp
- SHA256 82121bc438a17d43f7c48b6b1744d74fdc5a4a5f59fb3aea87674e306c62278c
- MD5 16c111672e8f0becdc8ae2e860594f90
- SHA1 f27e4b0f3a5ed6b2f45fbb549d7669b8460ad302
- SHA512 8dc9092ab67489f14b51dbc539e67e532477c6e82c05e20884905eb7276120874d34725f0f576c35d9c82619d2b04932ca5f1ef63c788a333cf0df06fbbbbc77
- SSDEEP 12288:Kiu5LgA08Jh7fpCwTnQ9kA6+A83Gv2dwdWKX:e5L48JtgOQ9Bh3I2+gKX
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
pid Process 4608 16c111672e8f0becdc8ae2e860594f90N.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4608 16c111672e8f0becdc8ae2e860594f90N.exe 1748 16c111672e8f0becdc8ae2e860594f90N.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4608 set thread context of 1748 4608 16c111672e8f0becdc8ae2e860594f90N.exe 94 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 16c111672e8f0becdc8ae2e860594f90N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 16c111672e8f0becdc8ae2e860594f90N.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4608 16c111672e8f0becdc8ae2e860594f90N.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4608 wrote to memory of 1748 4608 16c111672e8f0becdc8ae2e860594f90N.exe 94 PID 4608 wrote to memory of 1748 4608 16c111672e8f0becdc8ae2e860594f90N.exe 94 PID 4608 wrote to memory of 1748 4608 16c111672e8f0becdc8ae2e860594f90N.exe 94 PID 4608 wrote to memory of 1748 4608 16c111672e8f0becdc8ae2e860594f90N.exe 94 PID 4608 wrote to memory of 1748 4608 16c111672e8f0becdc8ae2e860594f90N.exe 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\16c111672e8f0becdc8ae2e860594f90N.exe"C:\Users\Admin\AppData\Local\Temp\16c111672e8f0becdc8ae2e860594f90N.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4608 -
C:\Users\Admin\AppData\Local\Temp\16c111672e8f0becdc8ae2e860594f90N.exe"C:\Users\Admin\AppData\Local\Temp\16c111672e8f0becdc8ae2e860594f90N.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
PID:1748
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nssA78C.tmp\System.dll
- Size 11KB
- SHA256 852047023ba0cae91c7a43365878613cfb4e64e36ff98c460e113d5088d68ef5
- MD5 be2621a78a13a56cf09e00dd98488360
- SHA1 75f0539dc6af200a07cdb056cddddec595c6cfd2
- SHA512 b80cf1f678e6885276b9a1bfd9227374b2eb9e38bb20446d52ebe2c3dba89764aa50cb4d49df51a974478f3364b5dbcbc5b4a16dc8f1123b40c89c01725be3d1
- SSDEEP 192:eB2HS+ihg200uWz947Wzvxu6v0MI7JOde+Ij5Z77dslFsE+:3S62Gw947ExuGDI7J8EF7KIE
- MD5 SHA1 SHA512 SSDEEP