Analysis
- max time kernel
148s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
05/12/2022, 10:38
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
16 signatures
150 seconds
General
- Target file.exe
- Size 259KB
- Sample221205-mpdx8sbd88
- SHA256 0e9d37bf8c274c0febc6041176c857fded714444c7f631fce548414bf81e3021
- MD5 7b7281e7f7384b4bf3766c5e66d10016
- SHA1 8dea164d23fb5e59d9c8cd1e0b9c773cf1ba24a8
- SHA512 8041112ddb93e846e496f44b277e7494f59752a277ffbc5c70b561b2f14366a43519032fb19620830550149eab3962a7a36d0147a7d59aae2be3e999c670f376
- SSDEEP 3072:402KwkPMmBBZi5sai/8Aza7y5iuvFt6SgGDKG2UK7wX4HRh4e/AcRhTDw02rwG3m:5vBL5txMJ3XHRh4e/D402sGAN3
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
amadey
Version
-
3.50
C2
-
31.41.244.167/v7eWcjs/index.php
Signatures
- Detect Amadey credential stealer module 2 IoCs
resource yara_rule behavioral2/files/0x0006000000022f82-177.dat amadey_cred_module behavioral2/files/0x0006000000022f82-178.dat amadey_cred_module - Blocklisted process makes network request 1 IoCs
flow pid Process 42 2796 rundll32.exe - Downloads MZ/PE file
- Executes dropped EXE 5 IoCs
pid Process 3936 gntuud.exe 4748 linda5.exe 4720 gntuud.exe 1516 gntuud.exe 3392 gntuud.exe - Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation gntuud.exe Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation linda5.exe - Loads dropped DLL 5 IoCs
pid Process 1060 rundll32.exe 1060 rundll32.exe 5032 rundll32.exe 5032 rundll32.exe 2796 rundll32.exe - Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\linda5.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000009001\\linda5.exe" gntuud.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 4 IoCs
pid pid_target Process procid_target 3504 1984 WerFault.exe 79 4124 4720 WerFault.exe 89 4592 1516 WerFault.exe 103 1776 3392 WerFault.exe 106 - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4792 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2796 rundll32.exe 2796 rundll32.exe 2796 rundll32.exe 2796 rundll32.exe - Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 1984 wrote to memory of 3936 1984 file.exe 80 PID 1984 wrote to memory of 3936 1984 file.exe 80 PID 1984 wrote to memory of 3936 1984 file.exe 80 PID 3936 wrote to memory of 4792 3936 gntuud.exe 84 PID 3936 wrote to memory of 4792 3936 gntuud.exe 84 PID 3936 wrote to memory of 4792 3936 gntuud.exe 84 PID 3936 wrote to memory of 4748 3936 gntuud.exe 86 PID 3936 wrote to memory of 4748 3936 gntuud.exe 86 PID 3936 wrote to memory of 4748 3936 gntuud.exe 86 PID 4748 wrote to memory of 3584 4748 linda5.exe 87 PID 4748 wrote to memory of 3584 4748 linda5.exe 87 PID 4748 wrote to memory of 3584 4748 linda5.exe 87 PID 3584 wrote to memory of 1060 3584 control.exe 88 PID 3584 wrote to memory of 1060 3584 control.exe 88 PID 3584 wrote to memory of 1060 3584 control.exe 88 PID 1060 wrote to memory of 2468 1060 rundll32.exe 96 PID 1060 wrote to memory of 2468 1060 rundll32.exe 96 PID 2468 wrote to memory of 5032 2468 RunDll32.exe 98 PID 2468 wrote to memory of 5032 2468 RunDll32.exe 98 PID 2468 wrote to memory of 5032 2468 RunDll32.exe 98 PID 3936 wrote to memory of 2796 3936 gntuud.exe 102 PID 3936 wrote to memory of 2796 3936 gntuud.exe 102 PID 3936 wrote to memory of 2796 3936 gntuud.exe 102 - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook rundll32.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1984 -
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3936 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe" /F3⤵
- Creates scheduled task(s)
PID:4792
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C:\Users\Admin\AppData\Local\Temp\1000009001\linda5.exe"C:\Users\Admin\AppData\Local\Temp\1000009001\linda5.exe"3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4748 -
C:\Windows\SysWOW64\control.exe"C:\Windows\System32\control.exe" .\t725LbZ.A4⤵
- Suspicious use of WriteProcessMemory
PID:3584 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL .\t725LbZ.A5⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1060 -
C:\Windows\system32\RunDll32.exeC:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL .\t725LbZ.A6⤵
- Suspicious use of WriteProcessMemory
PID:2468 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 .\t725LbZ.A7⤵
- Loads dropped DLL
PID:5032
-
-
-
-
-
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
PID:2796
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 11362⤵
- Program crash
PID:3504
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1984 -ip 19841⤵PID:4812
-
C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
PID:4720 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4720 -s 4282⤵
- Program crash
PID:4124
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4720 -ip 47201⤵PID:1324
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
PID:1516 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 4202⤵
- Program crash
PID:4592
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1516 -ip 15161⤵PID:4240
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe1⤵
- Executes dropped EXE
PID:3392 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3392 -s 4282⤵
- Program crash
PID:1776
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 3392 -ip 33921⤵PID:3544
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\1000009001\linda5.exe
- Size 1.6MB
- SHA256 3e7c6f32bec58ba714ad1ae5e14aabf173e0530442edaa2844d3dccc2789c8e7
- MD5 176b9a0555eabde0f189ba5a81df5118
- SHA1 0d2a5caad439708758c5fd75b8bc76d45bc2202e
- SHA512 d55f52d40f385fb7acdbb9119ac31e330e79f3d5363d5c11e2ed35bf126dd71cf719a01dbd5bd18f649678c477faa2c34dcd0d3de20909c58460bf337fa1bd9e
- SSDEEP 49152:A6PamEjNL8vxFNwkBdQSAxO/t8lNaptjWiB:famERYJFNwmSSAxO/G2
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\1000009001\linda5.exe
- Size 1.6MB
- SHA256 3e7c6f32bec58ba714ad1ae5e14aabf173e0530442edaa2844d3dccc2789c8e7
- MD5 176b9a0555eabde0f189ba5a81df5118
- SHA1 0d2a5caad439708758c5fd75b8bc76d45bc2202e
- SHA512 d55f52d40f385fb7acdbb9119ac31e330e79f3d5363d5c11e2ed35bf126dd71cf719a01dbd5bd18f649678c477faa2c34dcd0d3de20909c58460bf337fa1bd9e
- SSDEEP 49152:A6PamEjNL8vxFNwkBdQSAxO/t8lNaptjWiB:famERYJFNwmSSAxO/G2
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
- Size 259KB
- SHA256 0e9d37bf8c274c0febc6041176c857fded714444c7f631fce548414bf81e3021
- MD5 7b7281e7f7384b4bf3766c5e66d10016
- SHA1 8dea164d23fb5e59d9c8cd1e0b9c773cf1ba24a8
- SHA512 8041112ddb93e846e496f44b277e7494f59752a277ffbc5c70b561b2f14366a43519032fb19620830550149eab3962a7a36d0147a7d59aae2be3e999c670f376
- SSDEEP 3072:402KwkPMmBBZi5sai/8Aza7y5iuvFt6SgGDKG2UK7wX4HRh4e/AcRhTDw02rwG3m:5vBL5txMJ3XHRh4e/D402sGAN3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
- Size 259KB
- SHA256 0e9d37bf8c274c0febc6041176c857fded714444c7f631fce548414bf81e3021
- MD5 7b7281e7f7384b4bf3766c5e66d10016
- SHA1 8dea164d23fb5e59d9c8cd1e0b9c773cf1ba24a8
- SHA512 8041112ddb93e846e496f44b277e7494f59752a277ffbc5c70b561b2f14366a43519032fb19620830550149eab3962a7a36d0147a7d59aae2be3e999c670f376
- SSDEEP 3072:402KwkPMmBBZi5sai/8Aza7y5iuvFt6SgGDKG2UK7wX4HRh4e/AcRhTDw02rwG3m:5vBL5txMJ3XHRh4e/D402sGAN3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
- Size 259KB
- SHA256 0e9d37bf8c274c0febc6041176c857fded714444c7f631fce548414bf81e3021
- MD5 7b7281e7f7384b4bf3766c5e66d10016
- SHA1 8dea164d23fb5e59d9c8cd1e0b9c773cf1ba24a8
- SHA512 8041112ddb93e846e496f44b277e7494f59752a277ffbc5c70b561b2f14366a43519032fb19620830550149eab3962a7a36d0147a7d59aae2be3e999c670f376
- SSDEEP 3072:402KwkPMmBBZi5sai/8Aza7y5iuvFt6SgGDKG2UK7wX4HRh4e/AcRhTDw02rwG3m:5vBL5txMJ3XHRh4e/D402sGAN3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
- Size 259KB
- SHA256 0e9d37bf8c274c0febc6041176c857fded714444c7f631fce548414bf81e3021
- MD5 7b7281e7f7384b4bf3766c5e66d10016
- SHA1 8dea164d23fb5e59d9c8cd1e0b9c773cf1ba24a8
- SHA512 8041112ddb93e846e496f44b277e7494f59752a277ffbc5c70b561b2f14366a43519032fb19620830550149eab3962a7a36d0147a7d59aae2be3e999c670f376
- SSDEEP 3072:402KwkPMmBBZi5sai/8Aza7y5iuvFt6SgGDKG2UK7wX4HRh4e/AcRhTDw02rwG3m:5vBL5txMJ3XHRh4e/D402sGAN3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
- Size 259KB
- SHA256 0e9d37bf8c274c0febc6041176c857fded714444c7f631fce548414bf81e3021
- MD5 7b7281e7f7384b4bf3766c5e66d10016
- SHA1 8dea164d23fb5e59d9c8cd1e0b9c773cf1ba24a8
- SHA512 8041112ddb93e846e496f44b277e7494f59752a277ffbc5c70b561b2f14366a43519032fb19620830550149eab3962a7a36d0147a7d59aae2be3e999c670f376
- SSDEEP 3072:402KwkPMmBBZi5sai/8Aza7y5iuvFt6SgGDKG2UK7wX4HRh4e/AcRhTDw02rwG3m:5vBL5txMJ3XHRh4e/D402sGAN3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\t725LbZ.A
- Size 2.8MB
- SHA256 fd3c87a09bc135e8aebc64eb5f5f26ec643f3a08f004b23bd432101c13d5e169
- MD5 2b47fe6e0c79d350ac1569096f179b40
- SHA1 e2a442df29f0f7b24b5fbdf5b9c82bfbe88d323d
- SHA512 1e88e199d0b274b4085264e9531830ac35d8ef16d3bace4c78341f9ad065cfb81fdc6f723092a2e12f6f67dbd73d12315c82cacc40f6e9ad107580a4ac6921d2
- SSDEEP 24576:XEOblX+Q52TxagQTCyGlJLyhjXCDRI1dfBotBHpKqHXas:XnyagQTClLMXCDRIvJaT3a
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\t725lbZ.a
- Size 2.8MB
- SHA256 fd3c87a09bc135e8aebc64eb5f5f26ec643f3a08f004b23bd432101c13d5e169
- MD5 2b47fe6e0c79d350ac1569096f179b40
- SHA1 e2a442df29f0f7b24b5fbdf5b9c82bfbe88d323d
- SHA512 1e88e199d0b274b4085264e9531830ac35d8ef16d3bace4c78341f9ad065cfb81fdc6f723092a2e12f6f67dbd73d12315c82cacc40f6e9ad107580a4ac6921d2
- SSDEEP 24576:XEOblX+Q52TxagQTCyGlJLyhjXCDRI1dfBotBHpKqHXas:XnyagQTClLMXCDRIvJaT3a
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\t725lbZ.a
- Size 2.8MB
- SHA256 fd3c87a09bc135e8aebc64eb5f5f26ec643f3a08f004b23bd432101c13d5e169
- MD5 2b47fe6e0c79d350ac1569096f179b40
- SHA1 e2a442df29f0f7b24b5fbdf5b9c82bfbe88d323d
- SHA512 1e88e199d0b274b4085264e9531830ac35d8ef16d3bace4c78341f9ad065cfb81fdc6f723092a2e12f6f67dbd73d12315c82cacc40f6e9ad107580a4ac6921d2
- SSDEEP 24576:XEOblX+Q52TxagQTCyGlJLyhjXCDRI1dfBotBHpKqHXas:XnyagQTClLMXCDRIvJaT3a
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\t725lbZ.a
- Size 2.8MB
- SHA256 fd3c87a09bc135e8aebc64eb5f5f26ec643f3a08f004b23bd432101c13d5e169
- MD5 2b47fe6e0c79d350ac1569096f179b40
- SHA1 e2a442df29f0f7b24b5fbdf5b9c82bfbe88d323d
- SHA512 1e88e199d0b274b4085264e9531830ac35d8ef16d3bace4c78341f9ad065cfb81fdc6f723092a2e12f6f67dbd73d12315c82cacc40f6e9ad107580a4ac6921d2
- SSDEEP 24576:XEOblX+Q52TxagQTCyGlJLyhjXCDRI1dfBotBHpKqHXas:XnyagQTClLMXCDRIvJaT3a
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\t725lbZ.a
- Size 2.8MB
- SHA256 fd3c87a09bc135e8aebc64eb5f5f26ec643f3a08f004b23bd432101c13d5e169
- MD5 2b47fe6e0c79d350ac1569096f179b40
- SHA1 e2a442df29f0f7b24b5fbdf5b9c82bfbe88d323d
- SHA512 1e88e199d0b274b4085264e9531830ac35d8ef16d3bace4c78341f9ad065cfb81fdc6f723092a2e12f6f67dbd73d12315c82cacc40f6e9ad107580a4ac6921d2
- SSDEEP 24576:XEOblX+Q52TxagQTCyGlJLyhjXCDRI1dfBotBHpKqHXas:XnyagQTClLMXCDRIvJaT3a
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
- Size 126KB
- SHA256 104af593683398f0980f2c86e6513b8c1b7dededc1f924d4693ad92410d51a62
- MD5 aebf8cd9ea982decded5ee6f3777c6d7
- SHA1 406e723158cd5697503d1d04839d3bc7a5051603
- SHA512 f28fbb9b155348a6aca1105abf6f88640bb68374c07e023a7c9e06577006002d09b53b7629923c2486d7e9811f7254a296d19e566940077431e5089b06a13981
- SSDEEP 3072:ox7pOYzBekuOmWDWCMq6As523HeS9FAiZ87vO2rlL3Rn+9:ox7ZNhH/dMq6AO0a7vVlT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll
- Size 126KB
- SHA256 104af593683398f0980f2c86e6513b8c1b7dededc1f924d4693ad92410d51a62
- MD5 aebf8cd9ea982decded5ee6f3777c6d7
- SHA1 406e723158cd5697503d1d04839d3bc7a5051603
- SHA512 f28fbb9b155348a6aca1105abf6f88640bb68374c07e023a7c9e06577006002d09b53b7629923c2486d7e9811f7254a296d19e566940077431e5089b06a13981
- SSDEEP 3072:ox7pOYzBekuOmWDWCMq6As523HeS9FAiZ87vO2rlL3Rn+9:ox7ZNhH/dMq6AO0a7vVlT
- MD5 SHA1 SHA512 SSDEEP