Analysis
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max time kernel
4294208s -
max time network
132s -
platform
windows7_x64 -
resource
win7-20220223-en -
submitted
10/03/2022, 01:06
Static task
static1
Behavioral task
behavioral1
Sample
722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe
Resource
win7-20220223-en
Behavioral task
behavioral2
Sample
722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe
Resource
win10v2004-en-20220113
General
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Target
722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe
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Size
696KB
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MD5
2c251e754d69990053c0882153d43043
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SHA1
80643172673d0d57aed39eabbefe0e0296e2d433
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SHA256
722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98
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SHA512
f2982726388394af7710120b3704b280a591e28e0c9f474c3fb380290e551168f965cb516a0c1f91fe90dc499591130c2754bd9d30e504312b3bf9172812c5a6
Malware Config
Extracted
Protocol: smtp- Host:
mail.yahlabs.com - Port:
587 - Username:
[email protected] - Password:
K#XTi1TB1^w%
Signatures
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NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/1072-58-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1072-61-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 2 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/1900-63-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1900-67-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 4 IoCs
resource yara_rule behavioral1/memory/1072-58-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1072-61-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1900-63-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1900-67-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.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.
flow ioc 4 whatismyipaddress.com 6 whatismyipaddress.com 7 whatismyipaddress.com -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1824 set thread context of 1072 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 28 PID 1824 set thread context of 1900 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 29 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 1824 wrote to memory of 1072 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 28 PID 1824 wrote to memory of 1072 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 28 PID 1824 wrote to memory of 1072 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 28 PID 1824 wrote to memory of 1072 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 28 PID 1824 wrote to memory of 1072 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 28 PID 1824 wrote to memory of 1072 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 28 PID 1824 wrote to memory of 1072 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 28 PID 1824 wrote to memory of 1072 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 28 PID 1824 wrote to memory of 1072 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 28 PID 1824 wrote to memory of 1072 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 28 PID 1824 wrote to memory of 1900 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 29 PID 1824 wrote to memory of 1900 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 29 PID 1824 wrote to memory of 1900 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 29 PID 1824 wrote to memory of 1900 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 29 PID 1824 wrote to memory of 1900 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 29 PID 1824 wrote to memory of 1900 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 29 PID 1824 wrote to memory of 1900 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 29 PID 1824 wrote to memory of 1900 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 29 PID 1824 wrote to memory of 1900 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 29 PID 1824 wrote to memory of 1900 1824 722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe"C:\Users\Admin\AppData\Local\Temp\722753627f52ca7b0b65ca4bfe652270e8210a25db3aff99c283bbf1f5366c98.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1824 -
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"2⤵
- Accesses Microsoft Outlook accounts
PID:1072
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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"2⤵PID:1900
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