Analysis
- max time kernel
65s - max time network
137s - platform
windows10_x64 - resource
win10 - submitted
24/06/2020, 13:13
Static task
static1
Behavioral task
behavioral1
Sample
gunzipped.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
gunzipped.exe
Resource
win10
0 signatures
0 seconds
General
- Target gunzipped.exe
- Size 755KB
- Sample200624-vx9kgsts66
- SHA256 9ebeb5ba44225161419dd3306fc3dcd8aae12ca658e582ad3e5b3c6bd744bca3
- MD5 d56c7f9b6db191a1cecf8592e67820d9
- SHA1 ce18cd27e7701f59f59094c14bc2424dd51cb617
- SHA512 66ccce91659f4f842549ecf4c2ab2d73337be8be7542827c3009f3060eccd5fdd602c70a2c0f758d3df6a07b3b2dddbe20ee70ee24491a85460be237e28fbb11
- MD5 SHA1 SHA512
Score
8/10
Malware Config
Signatures
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3588 set thread context of 3792 3588 gunzipped.exe 67 - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3792 gunzipped.exe - UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
resource yara_rule behavioral2/memory/3792-0-0x0000000000400000-0x00000000004AD000-memory.dmp upx behavioral2/memory/3792-2-0x0000000000400000-0x00000000004AD000-memory.dmp upx behavioral2/memory/3792-3-0x0000000000400000-0x00000000004AD000-memory.dmp upx - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3588 gunzipped.exe 3588 gunzipped.exe 3792 gunzipped.exe 3792 gunzipped.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3588 wrote to memory of 3792 3588 gunzipped.exe 67 PID 3588 wrote to memory of 3792 3588 gunzipped.exe 67 PID 3588 wrote to memory of 3792 3588 gunzipped.exe 67 - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3588 gunzipped.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Suspicious behavior: MapViewOfSection
PID:3588 -
C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:3792
-