Analysis
-
max time kernel
233s -
max time network
336s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
03/12/2022, 22:33
Static task
static1
Behavioral task
behavioral1
Sample
33850543c666b2f86e17d6ff2f2e0f6bcbf4afba9839367b1cbe0177da79cd43.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
33850543c666b2f86e17d6ff2f2e0f6bcbf4afba9839367b1cbe0177da79cd43.exe
Resource
win10v2004-20220901-en
General
-
Target
33850543c666b2f86e17d6ff2f2e0f6bcbf4afba9839367b1cbe0177da79cd43.exe
-
Size
728KB
-
MD5
9c8fc7cb2faf51bd1199fb44282004a4
-
SHA1
63d3797713df27fbe1f663c5374ea554c742c2b5
-
SHA256
33850543c666b2f86e17d6ff2f2e0f6bcbf4afba9839367b1cbe0177da79cd43
-
SHA512
2dd76db4625424a7a491e7ecbbba7c9bf861d79f921d17fe941d85ec96db12725ebfbbc4d81b35cfcf21d6c93a2f1c25b82e6e4ea698082760ad58b924656781
-
SSDEEP
12288:TkWAehJuqTcwvWHRYch8gdCdOKWFtzCPZOTMzgxUqvCYeXes2F7yQTIpANrSWq:TkWAAuqIwOHOA8gdO62RJgxpYh+5rpq
Malware Config
Signatures
-
Drops file in Program Files directory 5 IoCs
description ioc Process File created C:\Program Files (x86)\Common Files\__tmp_rar_sfx_access_check_7290176 33850543c666b2f86e17d6ff2f2e0f6bcbf4afba9839367b1cbe0177da79cd43.exe File created C:\Program Files (x86)\Common Files\resz1.exe 33850543c666b2f86e17d6ff2f2e0f6bcbf4afba9839367b1cbe0177da79cd43.exe File opened for modification C:\Program Files (x86)\Common Files\resz1.exe 33850543c666b2f86e17d6ff2f2e0f6bcbf4afba9839367b1cbe0177da79cd43.exe File created C:\Program Files (x86)\Common Files\resz1 (1).txt 33850543c666b2f86e17d6ff2f2e0f6bcbf4afba9839367b1cbe0177da79cd43.exe File opened for modification C:\Program Files (x86)\Common Files\resz1 (1).txt 33850543c666b2f86e17d6ff2f2e0f6bcbf4afba9839367b1cbe0177da79cd43.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1032 wrote to memory of 268 1032 33850543c666b2f86e17d6ff2f2e0f6bcbf4afba9839367b1cbe0177da79cd43.exe 28 PID 1032 wrote to memory of 268 1032 33850543c666b2f86e17d6ff2f2e0f6bcbf4afba9839367b1cbe0177da79cd43.exe 28 PID 1032 wrote to memory of 268 1032 33850543c666b2f86e17d6ff2f2e0f6bcbf4afba9839367b1cbe0177da79cd43.exe 28 PID 1032 wrote to memory of 268 1032 33850543c666b2f86e17d6ff2f2e0f6bcbf4afba9839367b1cbe0177da79cd43.exe 28 PID 1032 wrote to memory of 268 1032 33850543c666b2f86e17d6ff2f2e0f6bcbf4afba9839367b1cbe0177da79cd43.exe 28 PID 1032 wrote to memory of 268 1032 33850543c666b2f86e17d6ff2f2e0f6bcbf4afba9839367b1cbe0177da79cd43.exe 28 PID 1032 wrote to memory of 268 1032 33850543c666b2f86e17d6ff2f2e0f6bcbf4afba9839367b1cbe0177da79cd43.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\33850543c666b2f86e17d6ff2f2e0f6bcbf4afba9839367b1cbe0177da79cd43.exe"C:\Users\Admin\AppData\Local\Temp\33850543c666b2f86e17d6ff2f2e0f6bcbf4afba9839367b1cbe0177da79cd43.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1032 -
C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Program Files (x86)\Common Files\resz1 (1).txt2⤵PID:268
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
47B
MD59a6f72570a1191716931def68237cf45
SHA100c11c1caee562d9ac291670aaf161b6bace813c
SHA2564e2323ce01c36835d064417695b4583e3c372bf05dc394662b9b175eead9a991
SHA51214d502b783db4230edfbcab5838834d65a5a79f343237d45807f2d37e81ba7948100e4bb93ba6d317290524326cfc4a8ab0ff8ef8bb92847b2f23deb11c46ed7