Analysis
-
max time kernel
139s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
05/05/2023, 20:43
Static task
static1
Behavioral task
behavioral1
Sample
Hesapzeti.pdf.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Hesapzeti.pdf.exe
Resource
win10v2004-20230220-en
General
-
Target
Hesapzeti.pdf.exe
-
Size
540KB
-
MD5
e80eeba3f3f250de2759818b6ca2b030
-
SHA1
a4b7821fd9b2e51ef22032e51643b907d08c8bd8
-
SHA256
050ff72362dbca4fcf4aab3117d7215c3f66f6c271f0f03955e75e3083fb6bb1
-
SHA512
813f3ab9e9e607f77c40de2ee12f96875a2be6c6700fa91d9f2e1ff6d8e3620da5300991414e033169fe4902facc7ad0bbbfd4d77f8ae910dfed7a9256a92c71
-
SSDEEP
6144:N4455J7Fs5eH+8o9nWVgCC0z1u1TijTAfdnaLig/oT4u19kLjryE68xrXGxqntAO:hRO7io1KAln09/oB9WjrL1bvt
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot5830566856:AAGWFy9uABhntGSW37Ll1sdhis_3Sq_arBM/sendMessage?chat_id=1467583453
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/4444-140-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger -
StormKitty
StormKitty is an open source info stealer written in C#.
-
StormKitty payload 1 IoCs
resource yara_rule behavioral2/memory/4444-140-0x0000000000400000-0x0000000000424000-memory.dmp family_stormkitty -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Hesapzeti.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Hesapzeti.pdf.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Hesapzeti.pdf.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 37 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4816 set thread context of 4444 4816 Hesapzeti.pdf.exe 91 -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 4816 Hesapzeti.pdf.exe 4816 Hesapzeti.pdf.exe 4816 Hesapzeti.pdf.exe 4816 Hesapzeti.pdf.exe 4816 Hesapzeti.pdf.exe 4816 Hesapzeti.pdf.exe 4816 Hesapzeti.pdf.exe 4816 Hesapzeti.pdf.exe 4816 Hesapzeti.pdf.exe 4816 Hesapzeti.pdf.exe 4816 Hesapzeti.pdf.exe 4816 Hesapzeti.pdf.exe 4816 Hesapzeti.pdf.exe 4816 Hesapzeti.pdf.exe 4444 Hesapzeti.pdf.exe 4444 Hesapzeti.pdf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4816 Hesapzeti.pdf.exe Token: SeDebugPrivilege 4444 Hesapzeti.pdf.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4816 wrote to memory of 4444 4816 Hesapzeti.pdf.exe 91 PID 4816 wrote to memory of 4444 4816 Hesapzeti.pdf.exe 91 PID 4816 wrote to memory of 4444 4816 Hesapzeti.pdf.exe 91 PID 4816 wrote to memory of 4444 4816 Hesapzeti.pdf.exe 91 PID 4816 wrote to memory of 4444 4816 Hesapzeti.pdf.exe 91 PID 4816 wrote to memory of 4444 4816 Hesapzeti.pdf.exe 91 PID 4816 wrote to memory of 4444 4816 Hesapzeti.pdf.exe 91 PID 4816 wrote to memory of 4444 4816 Hesapzeti.pdf.exe 91 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Hesapzeti.pdf.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Hesapzeti.pdf.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Hesapzeti.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Hesapzeti.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4816 -
C:\Users\Admin\AppData\Local\Temp\Hesapzeti.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Hesapzeti.pdf.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4444
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3