Analysis
- max time kernel
149s - max time network
153s - platform
windows10_x64 - resource
win10v200430 - submitted
24/06/2020, 15:08
Static task
static1
Behavioral task
behavioral1
Sample
gunzipped.exe
Resource
win7v200430
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
gunzipped.exe
Resource
win10v200430
0 signatures
0 seconds
General
- Target gunzipped.exe
- Size 763KB
- Sample200624-36all8lnba
- SHA256 bd88e8167365b27258a2b75475627f6f338c4911a3cb1d3b1150dd44bbd70aa3
- MD5 3de18535ef3b91dc8428f5816c959c17
- SHA1 226a5d8becfce061fccde38227aca82bbe6ceb50
- SHA512 2b19eb87fb7f5a895ba6cc2cda35dbb0ce1bb5276bd2478dfba6f8990fd70bb00566d58bc126e2f06e8b733d7e22b1bb953ea4ba4e030b72603a3094196edd3d
- MD5 SHA1 SHA512
Score
8/10
Malware Config
Signatures
- Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2368 wrote to memory of 1188 2368 gunzipped.exe 68 PID 2368 wrote to memory of 1188 2368 gunzipped.exe 68 PID 2368 wrote to memory of 1188 2368 gunzipped.exe 68 - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2368 gunzipped.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2368 set thread context of 1188 2368 gunzipped.exe 68 - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1188 gunzipped.exe - UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
resource yara_rule behavioral2/memory/1188-0-0x0000000000400000-0x00000000004AD000-memory.dmp upx behavioral2/memory/1188-2-0x0000000000400000-0x00000000004AD000-memory.dmp upx behavioral2/memory/1188-3-0x0000000000400000-0x00000000004AD000-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 2368 gunzipped.exe 2368 gunzipped.exe 1188 gunzipped.exe 1188 gunzipped.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"1⤵
- Suspicious use of WriteProcessMemory
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
PID:2368 -
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:1188
-