Analysis
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max time kernel
80s -
max time network
110s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
03-04-2023 21:58
Static task
static1
Behavioral task
behavioral1
Sample
f9a5739bae5c927c450f2fa26ad9c2a0b0d4ebd43c18acee6426407c639e8aa8.exe
Resource
win10v2004-20230221-en
General
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Target
f9a5739bae5c927c450f2fa26ad9c2a0b0d4ebd43c18acee6426407c639e8aa8.exe
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Size
522KB
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MD5
4389120d51abecac873d6bb2ec9bff3d
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SHA1
761f8193592d3dd212dba0641bd1e4d1be48bbbf
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SHA256
f9a5739bae5c927c450f2fa26ad9c2a0b0d4ebd43c18acee6426407c639e8aa8
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SHA512
186a8497cc5e98e4d2cb844b8a61983acbfba5696e02af10aac1aa5747f27c6598092c5fe7c1c9ae960b2b00dbd3c036a12b3dbe8f4de381cfbd51309444f3a6
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SSDEEP
6144:Kuy+bnr+Lp0yN90QE/iUr2qq5AvfcwCYVGTMuP6v76W3rABXDK3203hCWqHlzbY0:yMrvy90baPn8IP6vVrwX0hCLJUZWhv
Malware Config
Extracted
redline
rosn
176.113.115.145:4125
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auth_value
050a19e1db4d0024b0f23b37dcf961f4
Extracted
redline
spora
176.113.115.145:4125
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auth_value
441b39ab37774b2ca9931c31e1bc6071
Signatures
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Processes:
jr955165.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection jr955165.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" jr955165.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" jr955165.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" jr955165.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" jr955165.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" jr955165.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 35 IoCs
Processes:
resource yara_rule behavioral1/memory/2652-155-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-156-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-158-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-160-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-161-0x0000000004C90000-0x0000000004CA0000-memory.dmp family_redline behavioral1/memory/2652-164-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-163-0x0000000004C90000-0x0000000004CA0000-memory.dmp family_redline behavioral1/memory/2652-166-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-168-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-170-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-172-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-174-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-176-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-178-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-180-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-182-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-184-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-186-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-188-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-190-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-192-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-194-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-196-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-198-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-200-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-202-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-204-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-206-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-208-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-210-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-212-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-214-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-216-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-218-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline behavioral1/memory/2652-220-0x0000000004BA0000-0x0000000004BDF000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
Processes:
ziFZ7678.exejr955165.exeku885299.exelr675828.exepid process 884 ziFZ7678.exe 4736 jr955165.exe 2652 ku885299.exe 2396 lr675828.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Processes:
jr955165.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" jr955165.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 4 IoCs
Processes:
f9a5739bae5c927c450f2fa26ad9c2a0b0d4ebd43c18acee6426407c639e8aa8.exeziFZ7678.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce f9a5739bae5c927c450f2fa26ad9c2a0b0d4ebd43c18acee6426407c639e8aa8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" f9a5739bae5c927c450f2fa26ad9c2a0b0d4ebd43c18acee6426407c639e8aa8.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce ziFZ7678.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" ziFZ7678.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1220 2652 WerFault.exe ku885299.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
jr955165.exeku885299.exelr675828.exepid process 4736 jr955165.exe 4736 jr955165.exe 2652 ku885299.exe 2652 ku885299.exe 2396 lr675828.exe 2396 lr675828.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
jr955165.exeku885299.exelr675828.exedescription pid process Token: SeDebugPrivilege 4736 jr955165.exe Token: SeDebugPrivilege 2652 ku885299.exe Token: SeDebugPrivilege 2396 lr675828.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
f9a5739bae5c927c450f2fa26ad9c2a0b0d4ebd43c18acee6426407c639e8aa8.exeziFZ7678.exedescription pid process target process PID 1172 wrote to memory of 884 1172 f9a5739bae5c927c450f2fa26ad9c2a0b0d4ebd43c18acee6426407c639e8aa8.exe ziFZ7678.exe PID 1172 wrote to memory of 884 1172 f9a5739bae5c927c450f2fa26ad9c2a0b0d4ebd43c18acee6426407c639e8aa8.exe ziFZ7678.exe PID 1172 wrote to memory of 884 1172 f9a5739bae5c927c450f2fa26ad9c2a0b0d4ebd43c18acee6426407c639e8aa8.exe ziFZ7678.exe PID 884 wrote to memory of 4736 884 ziFZ7678.exe jr955165.exe PID 884 wrote to memory of 4736 884 ziFZ7678.exe jr955165.exe PID 884 wrote to memory of 2652 884 ziFZ7678.exe ku885299.exe PID 884 wrote to memory of 2652 884 ziFZ7678.exe ku885299.exe PID 884 wrote to memory of 2652 884 ziFZ7678.exe ku885299.exe PID 1172 wrote to memory of 2396 1172 f9a5739bae5c927c450f2fa26ad9c2a0b0d4ebd43c18acee6426407c639e8aa8.exe lr675828.exe PID 1172 wrote to memory of 2396 1172 f9a5739bae5c927c450f2fa26ad9c2a0b0d4ebd43c18acee6426407c639e8aa8.exe lr675828.exe PID 1172 wrote to memory of 2396 1172 f9a5739bae5c927c450f2fa26ad9c2a0b0d4ebd43c18acee6426407c639e8aa8.exe lr675828.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f9a5739bae5c927c450f2fa26ad9c2a0b0d4ebd43c18acee6426407c639e8aa8.exe"C:\Users\Admin\AppData\Local\Temp\f9a5739bae5c927c450f2fa26ad9c2a0b0d4ebd43c18acee6426407c639e8aa8.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1172 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziFZ7678.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziFZ7678.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:884 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr955165.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr955165.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4736
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku885299.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku885299.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2652 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 13484⤵
- Program crash
PID:1220
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr675828.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr675828.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2396
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2652 -ip 26521⤵PID:5000
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD5b41d456c70f3f60f21dbb87fc524474f
SHA18327b3662770ea2d0a4b089895aa0ee1563faad1
SHA2565e22e01f1efec0a8cc7a96bcfcf232965cf47ab4d75b02cc0c7dfdf3772ae962
SHA512b4d4fce72cbb70606aad4af5d073f094567a790f019fd48efa6fa3c806bc6aaa1ea88554d494e1934f55c11534c0e2cab6bd1ed38d91ba940350d372e7f32e78
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Filesize
175KB
MD5b41d456c70f3f60f21dbb87fc524474f
SHA18327b3662770ea2d0a4b089895aa0ee1563faad1
SHA2565e22e01f1efec0a8cc7a96bcfcf232965cf47ab4d75b02cc0c7dfdf3772ae962
SHA512b4d4fce72cbb70606aad4af5d073f094567a790f019fd48efa6fa3c806bc6aaa1ea88554d494e1934f55c11534c0e2cab6bd1ed38d91ba940350d372e7f32e78
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Filesize
380KB
MD548cc0f5cd3df90322cc828111b895872
SHA1e164ed51d3b8395e53fda352565403df3af5c89a
SHA256f7f555f54e5056a603aae23e46d66e20dd5f13574c24c1996b5db1e1858e8862
SHA5120fa262994f57d769643ed6ba69f4976c9d47c731bb9fd07bd9c086d1c30246c2585cfe124e6ad310120f470582b490b84240bfcf12718afc13ade882b6d4aa87
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Filesize
380KB
MD548cc0f5cd3df90322cc828111b895872
SHA1e164ed51d3b8395e53fda352565403df3af5c89a
SHA256f7f555f54e5056a603aae23e46d66e20dd5f13574c24c1996b5db1e1858e8862
SHA5120fa262994f57d769643ed6ba69f4976c9d47c731bb9fd07bd9c086d1c30246c2585cfe124e6ad310120f470582b490b84240bfcf12718afc13ade882b6d4aa87
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Filesize
15KB
MD51b5602a04d65a22caa156af1d74ef14b
SHA1336610a6873f0ca33c74c53502ed9f56f19c6fc3
SHA256e89f670be816e4693712c9caa6a086591b3ff2e50b2f84cf5fc84c457957aa9b
SHA512603318de7163cbf8a35bdfe0c2eda49b9d8e7eb4e05ca7bf1f709203c823d65e3aef23ad588eae89536bf640b417048d4d4001d1ffa244f6ffd8786e0e309eb8
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Filesize
15KB
MD51b5602a04d65a22caa156af1d74ef14b
SHA1336610a6873f0ca33c74c53502ed9f56f19c6fc3
SHA256e89f670be816e4693712c9caa6a086591b3ff2e50b2f84cf5fc84c457957aa9b
SHA512603318de7163cbf8a35bdfe0c2eda49b9d8e7eb4e05ca7bf1f709203c823d65e3aef23ad588eae89536bf640b417048d4d4001d1ffa244f6ffd8786e0e309eb8
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Filesize
295KB
MD51a5c7155a1b2d2834dcc257d44db0f4b
SHA13e66ac696919127c70afcfe41658ef21916278b7
SHA256f342791a4f96692944fc9e3bfe8e42dc6913a97f33c766024789c602e3054487
SHA5128df50bc9042453f42f342136d41a99dbb1a714a67452328afcf9689dec26590887fc89109ac0ade88175dffcfb90d26519b280882cfe6c48ffa444761b9a4d39
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Filesize
295KB
MD51a5c7155a1b2d2834dcc257d44db0f4b
SHA13e66ac696919127c70afcfe41658ef21916278b7
SHA256f342791a4f96692944fc9e3bfe8e42dc6913a97f33c766024789c602e3054487
SHA5128df50bc9042453f42f342136d41a99dbb1a714a67452328afcf9689dec26590887fc89109ac0ade88175dffcfb90d26519b280882cfe6c48ffa444761b9a4d39