Analysis
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max time kernel
72s -
max time network
178s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
27-11-2022 08:43
Static task
static1
Behavioral task
behavioral1
Sample
53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe
Resource
win10v2004-20221111-en
General
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Target
53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe
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Size
445KB
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MD5
46188804e5e27e33dc013211b9f285dd
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SHA1
04639d4398385f9e9621eb1e764b5516a401302c
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SHA256
53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2
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SHA512
7fd50e3c07240518189d34c74c9ed06b078ef421500d3b310678254aaaec077c3268796e3988407929feab8b1e010e688b625480a9442d9501f74497d7f44af5
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SSDEEP
6144:U9lZdcXl0nwu76hqQN97gtpfSy5HzLnjXRcp1kshRNvaJ0OiGRTJLeRkxnb:+O0wi6JN1wfl5TLTRcjksMliGNReRkt
Malware Config
Signatures
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NirSoft MailPassView 12 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/480-59-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/480-61-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/480-63-0x000000000047EF9E-mapping.dmp MailPassView behavioral1/memory/480-62-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/480-65-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/480-67-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/1564-87-0x000000000047EF9E-mapping.dmp MailPassView behavioral1/memory/1404-99-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/1404-98-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1404-102-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1404-105-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1404-113-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 11 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/480-59-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/480-61-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/480-63-0x000000000047EF9E-mapping.dmp WebBrowserPassView behavioral1/memory/480-62-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/480-65-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/480-67-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1564-87-0x000000000047EF9E-mapping.dmp WebBrowserPassView behavioral1/memory/1768-106-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1768-107-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/1768-110-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1768-111-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 16 IoCs
resource yara_rule behavioral1/memory/480-59-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/480-61-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/480-63-0x000000000047EF9E-mapping.dmp Nirsoft behavioral1/memory/480-62-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/480-65-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/480-67-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/1564-87-0x000000000047EF9E-mapping.dmp Nirsoft behavioral1/memory/1404-99-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1404-98-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1404-102-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1404-105-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1768-106-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1768-107-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/1768-110-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1768-111-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1404-113-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft -
Executes dropped EXE 2 IoCs
pid Process 920 Windows Update.exe 1564 Windows Update.exe -
Deletes itself 1 IoCs
pid Process 1564 Windows Update.exe -
Loads dropped DLL 2 IoCs
pid Process 480 53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe 920 Windows Update.exe -
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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description 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" Windows Update.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 7 whatismyipaddress.com 4 whatismyipaddress.com 6 whatismyipaddress.com -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 1216 set thread context of 480 1216 53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe 28 PID 920 set thread context of 1564 920 Windows Update.exe 30 PID 1564 set thread context of 1404 1564 Windows Update.exe 32 PID 1564 set thread context of 1768 1564 Windows Update.exe 33 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1564 Windows Update.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1564 Windows Update.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1564 Windows Update.exe -
Suspicious use of WriteProcessMemory 48 IoCs
description pid Process procid_target PID 1216 wrote to memory of 480 1216 53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe 28 PID 1216 wrote to memory of 480 1216 53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe 28 PID 1216 wrote to memory of 480 1216 53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe 28 PID 1216 wrote to memory of 480 1216 53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe 28 PID 1216 wrote to memory of 480 1216 53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe 28 PID 1216 wrote to memory of 480 1216 53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe 28 PID 1216 wrote to memory of 480 1216 53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe 28 PID 1216 wrote to memory of 480 1216 53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe 28 PID 1216 wrote to memory of 480 1216 53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe 28 PID 480 wrote to memory of 920 480 53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe 29 PID 480 wrote to memory of 920 480 53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe 29 PID 480 wrote to memory of 920 480 53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe 29 PID 480 wrote to memory of 920 480 53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe 29 PID 480 wrote to memory of 920 480 53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe 29 PID 480 wrote to memory of 920 480 53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe 29 PID 480 wrote to memory of 920 480 53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe 29 PID 920 wrote to memory of 1564 920 Windows Update.exe 30 PID 920 wrote to memory of 1564 920 Windows Update.exe 30 PID 920 wrote to memory of 1564 920 Windows Update.exe 30 PID 920 wrote to memory of 1564 920 Windows Update.exe 30 PID 920 wrote to memory of 1564 920 Windows Update.exe 30 PID 920 wrote to memory of 1564 920 Windows Update.exe 30 PID 920 wrote to memory of 1564 920 Windows Update.exe 30 PID 920 wrote to memory of 1564 920 Windows Update.exe 30 PID 920 wrote to memory of 1564 920 Windows Update.exe 30 PID 920 wrote to memory of 1564 920 Windows Update.exe 30 PID 920 wrote to memory of 1564 920 Windows Update.exe 30 PID 920 wrote to memory of 1564 920 Windows Update.exe 30 PID 1564 wrote to memory of 1404 1564 Windows Update.exe 32 PID 1564 wrote to memory of 1404 1564 Windows Update.exe 32 PID 1564 wrote to memory of 1404 1564 Windows Update.exe 32 PID 1564 wrote to memory of 1404 1564 Windows Update.exe 32 PID 1564 wrote to memory of 1404 1564 Windows Update.exe 32 PID 1564 wrote to memory of 1404 1564 Windows Update.exe 32 PID 1564 wrote to memory of 1404 1564 Windows Update.exe 32 PID 1564 wrote to memory of 1404 1564 Windows Update.exe 32 PID 1564 wrote to memory of 1404 1564 Windows Update.exe 32 PID 1564 wrote to memory of 1404 1564 Windows Update.exe 32 PID 1564 wrote to memory of 1768 1564 Windows Update.exe 33 PID 1564 wrote to memory of 1768 1564 Windows Update.exe 33 PID 1564 wrote to memory of 1768 1564 Windows Update.exe 33 PID 1564 wrote to memory of 1768 1564 Windows Update.exe 33 PID 1564 wrote to memory of 1768 1564 Windows Update.exe 33 PID 1564 wrote to memory of 1768 1564 Windows Update.exe 33 PID 1564 wrote to memory of 1768 1564 Windows Update.exe 33 PID 1564 wrote to memory of 1768 1564 Windows Update.exe 33 PID 1564 wrote to memory of 1768 1564 Windows Update.exe 33 PID 1564 wrote to memory of 1768 1564 Windows Update.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe"C:\Users\Admin\AppData\Local\Temp\53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1216 -
C:\Users\Admin\AppData\Local\Temp\53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe"C:\Users\Admin\AppData\Local\Temp\53bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:480 -
C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:920 -
C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"4⤵
- Executes dropped EXE
- Deletes itself
- 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
PID:1564 -
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"5⤵
- Accesses Microsoft Outlook accounts
PID:1404
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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"5⤵PID:1768
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
102B
MD5e0c3c70db898be9b6b7db269c71a6898
SHA18535644d88f5c86744ae35da0f89e806dac3a5cb
SHA256a9f6a17212b486163f993ec3648a98d51ec02948e528810de1a140df4ca90243
SHA5121190bbedd12f8ca6f0569f481a61c847e0191d81a3223cf745acb60f9c5204ece25936de009599aba381478ca4c89c9ac4f109ae345cc75723b757dd189f6435
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
445KB
MD546188804e5e27e33dc013211b9f285dd
SHA104639d4398385f9e9621eb1e764b5516a401302c
SHA25653bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2
SHA5127fd50e3c07240518189d34c74c9ed06b078ef421500d3b310678254aaaec077c3268796e3988407929feab8b1e010e688b625480a9442d9501f74497d7f44af5
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Filesize
445KB
MD546188804e5e27e33dc013211b9f285dd
SHA104639d4398385f9e9621eb1e764b5516a401302c
SHA25653bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2
SHA5127fd50e3c07240518189d34c74c9ed06b078ef421500d3b310678254aaaec077c3268796e3988407929feab8b1e010e688b625480a9442d9501f74497d7f44af5
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Filesize
445KB
MD546188804e5e27e33dc013211b9f285dd
SHA104639d4398385f9e9621eb1e764b5516a401302c
SHA25653bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2
SHA5127fd50e3c07240518189d34c74c9ed06b078ef421500d3b310678254aaaec077c3268796e3988407929feab8b1e010e688b625480a9442d9501f74497d7f44af5
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Filesize
445KB
MD546188804e5e27e33dc013211b9f285dd
SHA104639d4398385f9e9621eb1e764b5516a401302c
SHA25653bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2
SHA5127fd50e3c07240518189d34c74c9ed06b078ef421500d3b310678254aaaec077c3268796e3988407929feab8b1e010e688b625480a9442d9501f74497d7f44af5
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Filesize
445KB
MD546188804e5e27e33dc013211b9f285dd
SHA104639d4398385f9e9621eb1e764b5516a401302c
SHA25653bdca1cdd8109b86013d4e27639f3e5590a42bdae359337a51260e3fdd4c7a2
SHA5127fd50e3c07240518189d34c74c9ed06b078ef421500d3b310678254aaaec077c3268796e3988407929feab8b1e010e688b625480a9442d9501f74497d7f44af5