Analysis
- max time kernel
83s - max time network
141s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
12/10/2021, 12:44
Static task
static1
Behavioral task
behavioral1
Sample
Proof of payment.jpg.scr
Resource
win7-en-20210920
0 signatures
0 seconds
General
- Target Proof of payment.jpg.scr
- Size 608KB
- Sample211012-pygrlacda9
- SHA256 b4ac3be33fd7d731376ea3b504995b465122d8ef268e59e7ded5d433762cc932
- MD5 4a3a0f0e8cc1c4b9d0c28e473910afa6
- SHA1 4a5eddf485aa50d2c162b91c6a8254c7deae5d93
- SHA512 ccfe62846541aa2d22418576c075182f750eb66a39484529b6ab46692bf1f7a6e05634f5e345d0d4b1e6241abeec8ba62092c8547727768b480cddc4e76eccf1
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
netwire
C2
-
harold.ns01.info:3606
Attributes
-
activex_autorun
false
- activex_key
-
copy_executable
false
-
delete_original
false
-
host_id
Netwir
- install_path
-
keylogger_dir
%AppData%\Logs\
-
lock_executable
false
-
mutex
pHJVBoFH
-
offline_keylogger
true
-
password
master12
-
registry_autorun
false
- startup_name
-
use_mutex
true
Signatures
- NetWire RAT payload 3 IoCs
resource yara_rule behavioral2/memory/1592-117-0x0000000000400000-0x0000000000433000-memory.dmp netwire behavioral2/memory/1592-118-0x000000000040242D-mapping.dmp netwire behavioral2/memory/1592-119-0x0000000000400000-0x0000000000433000-memory.dmp netwire - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2384 set thread context of 1592 2384 Proof of payment.jpg.scr 73 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2116 schtasks.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2384 wrote to memory of 2116 2384 Proof of payment.jpg.scr 72 PID 2384 wrote to memory of 2116 2384 Proof of payment.jpg.scr 72 PID 2384 wrote to memory of 2116 2384 Proof of payment.jpg.scr 72 PID 2384 wrote to memory of 1592 2384 Proof of payment.jpg.scr 73 PID 2384 wrote to memory of 1592 2384 Proof of payment.jpg.scr 73 PID 2384 wrote to memory of 1592 2384 Proof of payment.jpg.scr 73 PID 2384 wrote to memory of 1592 2384 Proof of payment.jpg.scr 73 PID 2384 wrote to memory of 1592 2384 Proof of payment.jpg.scr 73 PID 2384 wrote to memory of 1592 2384 Proof of payment.jpg.scr 73 PID 2384 wrote to memory of 1592 2384 Proof of payment.jpg.scr 73 PID 2384 wrote to memory of 1592 2384 Proof of payment.jpg.scr 73 PID 2384 wrote to memory of 1592 2384 Proof of payment.jpg.scr 73 PID 2384 wrote to memory of 1592 2384 Proof of payment.jpg.scr 73 PID 2384 wrote to memory of 1592 2384 Proof of payment.jpg.scr 73
Processes
-
C:\Users\Admin\AppData\Local\Temp\Proof of payment.jpg.scr"C:\Users\Admin\AppData\Local\Temp\Proof of payment.jpg.scr" /S1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2384 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FYyPLomEXH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5CC2.tmp"2⤵
- Creates scheduled task(s)
PID:2116
-
-
C:\Users\Admin\AppData\Local\Temp\Proof of payment.jpg.scr"C:\Users\Admin\AppData\Local\Temp\Proof of payment.jpg.scr"2⤵PID:1592
-