Analysis
-
max time kernel
152s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
02-10-2022 11:55
Static task
static1
Behavioral task
behavioral1
Sample
ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe
Resource
win10v2004-20220901-en
General
-
Target
ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe
-
Size
350KB
-
MD5
6cd01c6c456e2831ecdafb575d783c4d
-
SHA1
4164244dcda6811f4ad239ab139f00b11381a031
-
SHA256
ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618
-
SHA512
4c9e50090121f60d1fd4e19c2910a0d3c6c59364b642345e76f53fd2250316e1c6fedc3898715c97123e02c46f64689556665c775385c2cdc10f9ab6c0a82039
-
SSDEEP
6144:jwUSAb47OeNfJxOUwGjDkTk5y0H/1xqjlkKQb1UYcDtZsbR7f1PiIfPd:jpbx2zjDkAYM/1olkZKYchCbN8Wd
Malware Config
Signatures
-
ISR Stealer
ISR Stealer is a modified version of Hackhound Stealer written in visual basic.
-
ISR Stealer payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/948-61-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral1/memory/948-63-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral1/memory/948-64-0x0000000000401180-mapping.dmp family_isrstealer behavioral1/memory/948-68-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer behavioral1/memory/948-85-0x0000000000400000-0x0000000000442000-memory.dmp family_isrstealer -
NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/568-83-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView behavioral1/memory/568-84-0x0000000000400000-0x000000000041F000-memory.dmp MailPassView -
Nirsoft 2 IoCs
Processes:
resource yara_rule behavioral1/memory/568-83-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft behavioral1/memory/568-84-0x0000000000400000-0x000000000041F000-memory.dmp Nirsoft -
Processes:
resource yara_rule behavioral1/memory/1204-69-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1204-73-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1204-74-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1204-75-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/1204-76-0x0000000000400000-0x0000000000453000-memory.dmp upx behavioral1/memory/568-78-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/568-82-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/568-83-0x0000000000400000-0x000000000041F000-memory.dmp upx behavioral1/memory/568-84-0x0000000000400000-0x000000000041F000-memory.dmp upx -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
cvtres.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts cvtres.exe -
Adds Run key to start application 2 TTPs 8 IoCs
Processes:
ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\C:\Users\Admin\AppData\Local ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\C:\Users\Admin\AppData\Local\Temp ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe" ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\C: ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\C:\Users ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\C:\Users\Admin ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\C:\Users\Admin\AppData ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.execvtres.exedescription pid process target process PID 1184 set thread context of 948 1184 ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe cvtres.exe PID 948 set thread context of 1204 948 cvtres.exe cvtres.exe PID 948 set thread context of 568 948 cvtres.exe cvtres.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exedescription pid process Token: SeDebugPrivilege 1184 ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
cvtres.exepid process 948 cvtres.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.execvtres.exedescription pid process target process PID 1184 wrote to memory of 948 1184 ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe cvtres.exe PID 1184 wrote to memory of 948 1184 ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe cvtres.exe PID 1184 wrote to memory of 948 1184 ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe cvtres.exe PID 1184 wrote to memory of 948 1184 ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe cvtres.exe PID 1184 wrote to memory of 948 1184 ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe cvtres.exe PID 1184 wrote to memory of 948 1184 ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe cvtres.exe PID 1184 wrote to memory of 948 1184 ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe cvtres.exe PID 1184 wrote to memory of 948 1184 ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe cvtres.exe PID 948 wrote to memory of 1204 948 cvtres.exe cvtres.exe PID 948 wrote to memory of 1204 948 cvtres.exe cvtres.exe PID 948 wrote to memory of 1204 948 cvtres.exe cvtres.exe PID 948 wrote to memory of 1204 948 cvtres.exe cvtres.exe PID 948 wrote to memory of 1204 948 cvtres.exe cvtres.exe PID 948 wrote to memory of 1204 948 cvtres.exe cvtres.exe PID 948 wrote to memory of 1204 948 cvtres.exe cvtres.exe PID 948 wrote to memory of 1204 948 cvtres.exe cvtres.exe PID 948 wrote to memory of 1204 948 cvtres.exe cvtres.exe PID 948 wrote to memory of 568 948 cvtres.exe cvtres.exe PID 948 wrote to memory of 568 948 cvtres.exe cvtres.exe PID 948 wrote to memory of 568 948 cvtres.exe cvtres.exe PID 948 wrote to memory of 568 948 cvtres.exe cvtres.exe PID 948 wrote to memory of 568 948 cvtres.exe cvtres.exe PID 948 wrote to memory of 568 948 cvtres.exe cvtres.exe PID 948 wrote to memory of 568 948 cvtres.exe cvtres.exe PID 948 wrote to memory of 568 948 cvtres.exe cvtres.exe PID 948 wrote to memory of 568 948 cvtres.exe cvtres.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe"C:\Users\Admin\AppData\Local\Temp\ea00bfb017bd00a331d033863bc4f81c626ba96668beaea703172aa4edefa618.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe/scomma "C:\Users\Admin\AppData\Local\Temp\hs6hk20z2t.ini"3⤵
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe/scomma "C:\Users\Admin\AppData\Local\Temp\lLK6rqjRTO.ini"3⤵
- Accesses Microsoft Outlook accounts
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\hs6hk20z2t.iniFilesize
5B
MD5d1ea279fb5559c020a1b4137dc4de237
SHA1db6f8988af46b56216a6f0daf95ab8c9bdb57400
SHA256fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba
SHA512720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3
-
memory/568-84-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
-
memory/568-83-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
-
memory/568-82-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
-
memory/568-78-0x0000000000400000-0x000000000041F000-memory.dmpFilesize
124KB
-
memory/568-79-0x000000000041C410-mapping.dmp
-
memory/948-61-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
-
memory/948-58-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
-
memory/948-64-0x0000000000401180-mapping.dmp
-
memory/948-68-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
-
memory/948-63-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
-
memory/948-85-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
-
memory/948-59-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
-
memory/1184-86-0x0000000001F16000-0x0000000001F27000-memory.dmpFilesize
68KB
-
memory/1184-55-0x0000000074300000-0x00000000748AB000-memory.dmpFilesize
5.7MB
-
memory/1184-56-0x0000000074300000-0x00000000748AB000-memory.dmpFilesize
5.7MB
-
memory/1184-57-0x0000000001F16000-0x0000000001F27000-memory.dmpFilesize
68KB
-
memory/1184-54-0x0000000074BB1000-0x0000000074BB3000-memory.dmpFilesize
8KB
-
memory/1204-70-0x00000000004512E0-mapping.dmp
-
memory/1204-76-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
-
memory/1204-75-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
-
memory/1204-74-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
-
memory/1204-73-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB
-
memory/1204-69-0x0000000000400000-0x0000000000453000-memory.dmpFilesize
332KB