Analysis
-
max time kernel
151s -
max time network
162s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
29-01-2023 14:49
Static task
static1
Behavioral task
behavioral1
Sample
e4ebab2236fe8ee61d700af17698b9b78a7b4a017fbbcc1c348ca5c43846ed00.exe
Resource
win7-20221111-en
General
-
Target
e4ebab2236fe8ee61d700af17698b9b78a7b4a017fbbcc1c348ca5c43846ed00.exe
-
Size
553KB
-
MD5
7377245e4800bddf4a04988972a7d0b4
-
SHA1
aff20a83a8638f57774c7035b01f16198e06e2fa
-
SHA256
e4ebab2236fe8ee61d700af17698b9b78a7b4a017fbbcc1c348ca5c43846ed00
-
SHA512
74eeb62a8b90d030125252312f52dd7f554f0c45d20191fbedb55e78a74149e4e2908aba72a4d41be7c85c3f9dffd924acdae9ceffa6f02055dcc8ae07a55408
-
SSDEEP
6144:ULuBqxStDbS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnxb:1tDQtqB5urTIoYWBQk1E+VF9mOx9Uit
Malware Config
Extracted
Protocol: smtp- Host:
smtp.mail.ru - Port:
587 - Username:
awdawfav@mail.ru - Password:
Bopone4489
Signatures
-
NirSoft MailPassView 8 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\fawfw.exe MailPassView C:\Users\Admin\AppData\Local\Temp\fawfw.exe MailPassView C:\Users\Admin\AppData\Local\Temp\fawfw.exe MailPassView behavioral1/memory/2000-70-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/2000-69-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2000-73-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2000-75-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/2000-76-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 7 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\fawfw.exe WebBrowserPassView C:\Users\Admin\AppData\Local\Temp\fawfw.exe WebBrowserPassView C:\Users\Admin\AppData\Local\Temp\fawfw.exe WebBrowserPassView behavioral1/memory/364-77-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/364-78-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/364-81-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/364-83-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 12 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\fawfw.exe Nirsoft C:\Users\Admin\AppData\Local\Temp\fawfw.exe Nirsoft C:\Users\Admin\AppData\Local\Temp\fawfw.exe Nirsoft behavioral1/memory/2000-70-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/2000-69-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2000-73-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2000-75-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/2000-76-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/364-77-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/364-78-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/364-81-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/364-83-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Executes dropped EXE 2 IoCs
Processes:
fawfw.exeSharpMonoInjector.exepid process 676 fawfw.exe 320 SharpMonoInjector.exe -
Loads dropped DLL 2 IoCs
Processes:
e4ebab2236fe8ee61d700af17698b9b78a7b4a017fbbcc1c348ca5c43846ed00.exepid process 1812 e4ebab2236fe8ee61d700af17698b9b78a7b4a017fbbcc1c348ca5c43846ed00.exe 1812 e4ebab2236fe8ee61d700af17698b9b78a7b4a017fbbcc1c348ca5c43846ed00.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Uses the VBS compiler for execution 1 TTPs
-
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
fawfw.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" fawfw.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 whatismyipaddress.com 6 whatismyipaddress.com 7 whatismyipaddress.com -
Suspicious use of SetThreadContext 2 IoCs
Processes:
fawfw.exedescription pid process target process PID 676 set thread context of 2000 676 fawfw.exe vbc.exe PID 676 set thread context of 364 676 fawfw.exe vbc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
fawfw.exepid process 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe 676 fawfw.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
fawfw.exedescription pid process Token: SeDebugPrivilege 676 fawfw.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
fawfw.exepid process 676 fawfw.exe -
Suspicious use of WriteProcessMemory 28 IoCs
Processes:
e4ebab2236fe8ee61d700af17698b9b78a7b4a017fbbcc1c348ca5c43846ed00.exefawfw.exedescription pid process target process PID 1812 wrote to memory of 676 1812 e4ebab2236fe8ee61d700af17698b9b78a7b4a017fbbcc1c348ca5c43846ed00.exe fawfw.exe PID 1812 wrote to memory of 676 1812 e4ebab2236fe8ee61d700af17698b9b78a7b4a017fbbcc1c348ca5c43846ed00.exe fawfw.exe PID 1812 wrote to memory of 676 1812 e4ebab2236fe8ee61d700af17698b9b78a7b4a017fbbcc1c348ca5c43846ed00.exe fawfw.exe PID 1812 wrote to memory of 676 1812 e4ebab2236fe8ee61d700af17698b9b78a7b4a017fbbcc1c348ca5c43846ed00.exe fawfw.exe PID 1812 wrote to memory of 320 1812 e4ebab2236fe8ee61d700af17698b9b78a7b4a017fbbcc1c348ca5c43846ed00.exe SharpMonoInjector.exe PID 1812 wrote to memory of 320 1812 e4ebab2236fe8ee61d700af17698b9b78a7b4a017fbbcc1c348ca5c43846ed00.exe SharpMonoInjector.exe PID 1812 wrote to memory of 320 1812 e4ebab2236fe8ee61d700af17698b9b78a7b4a017fbbcc1c348ca5c43846ed00.exe SharpMonoInjector.exe PID 1812 wrote to memory of 320 1812 e4ebab2236fe8ee61d700af17698b9b78a7b4a017fbbcc1c348ca5c43846ed00.exe SharpMonoInjector.exe PID 676 wrote to memory of 2000 676 fawfw.exe vbc.exe PID 676 wrote to memory of 2000 676 fawfw.exe vbc.exe PID 676 wrote to memory of 2000 676 fawfw.exe vbc.exe PID 676 wrote to memory of 2000 676 fawfw.exe vbc.exe PID 676 wrote to memory of 2000 676 fawfw.exe vbc.exe PID 676 wrote to memory of 2000 676 fawfw.exe vbc.exe PID 676 wrote to memory of 2000 676 fawfw.exe vbc.exe PID 676 wrote to memory of 2000 676 fawfw.exe vbc.exe PID 676 wrote to memory of 2000 676 fawfw.exe vbc.exe PID 676 wrote to memory of 2000 676 fawfw.exe vbc.exe PID 676 wrote to memory of 364 676 fawfw.exe vbc.exe PID 676 wrote to memory of 364 676 fawfw.exe vbc.exe PID 676 wrote to memory of 364 676 fawfw.exe vbc.exe PID 676 wrote to memory of 364 676 fawfw.exe vbc.exe PID 676 wrote to memory of 364 676 fawfw.exe vbc.exe PID 676 wrote to memory of 364 676 fawfw.exe vbc.exe PID 676 wrote to memory of 364 676 fawfw.exe vbc.exe PID 676 wrote to memory of 364 676 fawfw.exe vbc.exe PID 676 wrote to memory of 364 676 fawfw.exe vbc.exe PID 676 wrote to memory of 364 676 fawfw.exe vbc.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\e4ebab2236fe8ee61d700af17698b9b78a7b4a017fbbcc1c348ca5c43846ed00.exe"C:\Users\Admin\AppData\Local\Temp\e4ebab2236fe8ee61d700af17698b9b78a7b4a017fbbcc1c348ca5c43846ed00.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\fawfw.exe"C:\Users\Admin\AppData\Local\Temp\fawfw.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
- Accesses Microsoft Outlook accounts
-
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"3⤵
-
C:\Users\Admin\AppData\Local\Temp\SharpMonoInjector.exe"C:\Users\Admin\AppData\Local\Temp\SharpMonoInjector.exe"2⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\SharpMonoInjector.exeFilesize
22KB
MD5b96d8beccfea348c54c5d0e004ff22a0
SHA1f8afd8a8f6735766056e74ffe2530d39a98b1ead
SHA256bf234de67b371162a3709d3bb09014fefc0d4a3614583c4c3bfc0ba505d9f044
SHA5122714c32dcb4cf269021b013fed311d52d718af6520f982dba68ab510c899ada70f44d95df21c9c0e595dd58a2921e7c9bad72bbac524252a9aabb902382a50b1
-
C:\Users\Admin\AppData\Local\Temp\SharpMonoInjector.exeFilesize
22KB
MD5b96d8beccfea348c54c5d0e004ff22a0
SHA1f8afd8a8f6735766056e74ffe2530d39a98b1ead
SHA256bf234de67b371162a3709d3bb09014fefc0d4a3614583c4c3bfc0ba505d9f044
SHA5122714c32dcb4cf269021b013fed311d52d718af6520f982dba68ab510c899ada70f44d95df21c9c0e595dd58a2921e7c9bad72bbac524252a9aabb902382a50b1
-
C:\Users\Admin\AppData\Local\Temp\fawfw.exeFilesize
521KB
MD5742ab3dc8c77c87d32a2d79e54b50c88
SHA1f2506029b4338c0267a7da1f7376cda38fee202e
SHA2568188569f469f142064bb4e16b63ba0ab81539d6c55b4413906c929436e26f2b6
SHA51285b0dd0a76b93395fe0e30563d35a63c7e3c1d07f9f3af193cf9fe0e98619d216b4dcf986da7f72d54f001eef52507e198bd65d3cfabc95765f67ffe6de75e0a
-
C:\Users\Admin\AppData\Local\Temp\fawfw.exeFilesize
521KB
MD5742ab3dc8c77c87d32a2d79e54b50c88
SHA1f2506029b4338c0267a7da1f7376cda38fee202e
SHA2568188569f469f142064bb4e16b63ba0ab81539d6c55b4413906c929436e26f2b6
SHA51285b0dd0a76b93395fe0e30563d35a63c7e3c1d07f9f3af193cf9fe0e98619d216b4dcf986da7f72d54f001eef52507e198bd65d3cfabc95765f67ffe6de75e0a
-
C:\Users\Admin\AppData\Local\Temp\holderwb.txtFilesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
-
\Users\Admin\AppData\Local\Temp\SharpMonoInjector.exeFilesize
22KB
MD5b96d8beccfea348c54c5d0e004ff22a0
SHA1f8afd8a8f6735766056e74ffe2530d39a98b1ead
SHA256bf234de67b371162a3709d3bb09014fefc0d4a3614583c4c3bfc0ba505d9f044
SHA5122714c32dcb4cf269021b013fed311d52d718af6520f982dba68ab510c899ada70f44d95df21c9c0e595dd58a2921e7c9bad72bbac524252a9aabb902382a50b1
-
\Users\Admin\AppData\Local\Temp\fawfw.exeFilesize
521KB
MD5742ab3dc8c77c87d32a2d79e54b50c88
SHA1f2506029b4338c0267a7da1f7376cda38fee202e
SHA2568188569f469f142064bb4e16b63ba0ab81539d6c55b4413906c929436e26f2b6
SHA51285b0dd0a76b93395fe0e30563d35a63c7e3c1d07f9f3af193cf9fe0e98619d216b4dcf986da7f72d54f001eef52507e198bd65d3cfabc95765f67ffe6de75e0a
-
memory/320-66-0x00000000004E0000-0x00000000004EA000-memory.dmpFilesize
40KB
-
memory/320-64-0x0000000001260000-0x000000000126C000-memory.dmpFilesize
48KB
-
memory/320-67-0x000000001B036000-0x000000001B055000-memory.dmpFilesize
124KB
-
memory/320-59-0x0000000000000000-mapping.dmp
-
memory/320-68-0x000000001B036000-0x000000001B055000-memory.dmpFilesize
124KB
-
memory/364-77-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
-
memory/364-83-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
-
memory/364-81-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
-
memory/364-78-0x0000000000442628-mapping.dmp
-
memory/676-65-0x00000000744C0000-0x0000000074A6B000-memory.dmpFilesize
5.7MB
-
memory/676-84-0x0000000000B45000-0x0000000000B56000-memory.dmpFilesize
68KB
-
memory/676-56-0x0000000000000000-mapping.dmp
-
memory/676-74-0x0000000000B45000-0x0000000000B56000-memory.dmpFilesize
68KB
-
memory/1812-54-0x00000000759F1000-0x00000000759F3000-memory.dmpFilesize
8KB
-
memory/2000-76-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
-
memory/2000-75-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
-
memory/2000-73-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
-
memory/2000-69-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
-
memory/2000-70-0x0000000000411654-mapping.dmp