Analysis
-
max time kernel
55s -
max time network
180s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
30-08-2022 01:41
Behavioral task
behavioral1
Sample
3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe
Resource
win7-20220812-en
6 signatures
300 seconds
General
-
Target
3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe
-
Size
4.0MB
-
MD5
c81a73dcc27459903b5ff3a48b6d0c5a
-
SHA1
a45c9c2023ddbd9f78e2238e55838978980bd998
-
SHA256
3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd
-
SHA512
19135280538e3670314dd447141e2c1bec57fe283fb5fa560b8567b49720eded793e7b622cc6f233fc70a70aeabb5689e451ca0f054cb5e6d14d86fbf7ba2d6e
-
SSDEEP
98304:DJJYBywiF4PobmLprqcqEr4JnvxEnByep:nY64WmLynunB
Malware Config
Signatures
-
YTStealer payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3540-118-0x0000000000E10000-0x0000000001BE8000-memory.dmp family_ytstealer behavioral2/memory/3540-120-0x0000000000E10000-0x0000000001BE8000-memory.dmp family_ytstealer -
Processes:
resource yara_rule behavioral2/memory/3540-118-0x0000000000E10000-0x0000000001BE8000-memory.dmp upx behavioral2/memory/3540-120-0x0000000000E10000-0x0000000001BE8000-memory.dmp upx -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exepid process 3540 3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe 3540 3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe 3540 3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe 3540 3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.execmd.exedescription pid process target process PID 3540 wrote to memory of 1568 3540 3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe cmd.exe PID 3540 wrote to memory of 1568 3540 3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe cmd.exe PID 1568 wrote to memory of 2072 1568 cmd.exe choice.exe PID 1568 wrote to memory of 2072 1568 cmd.exe choice.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe"C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3540 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Local\Temp\3f734ec747db7e5c3af5d25d40324b14f9da76da1e7f183b310027d143ef25fd.exe2⤵
- Suspicious use of WriteProcessMemory
PID:1568 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 03⤵PID:2072