Analysis
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max time kernel
100s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
24/03/2023, 19:01
Static task
static1
Behavioral task
behavioral1
Sample
4a328d50b621301d29b37dcad7b5978d321729cded1180cf38777400b2e6fe33.exe
Resource
win10v2004-20230220-en
General
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Target
4a328d50b621301d29b37dcad7b5978d321729cded1180cf38777400b2e6fe33.exe
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Size
725KB
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MD5
d6bc63117d82dd87e3a5c09adcbe94e3
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SHA1
500c09f3b96796979eed94c0c1c0096a7a03dbb5
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SHA256
4a328d50b621301d29b37dcad7b5978d321729cded1180cf38777400b2e6fe33
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SHA512
18cc6ce8573990cf1ea016e480b1e2334d858ce72bd261deb08310409cf71b1c51ead2442491aa758680e93ec229c0cd37738e9ff67dc820d1e5eba20df233a0
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SSDEEP
12288:fcjNxg9Qtxdm1OpNTqZbKmwwekhcXqRTMT4zw34Oqf7uMS5ZabR4xe:fn9QHdLpNYwwekhcu4qf7afab9
Malware Config
Extracted
redline
boris
193.233.20.32:4125
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auth_value
766b5bdf6dbefcf7ca223351952fc38f
Extracted
redline
gena
193.233.20.32:4125
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auth_value
93c20961cb6b06b2d5781c212db6201e
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" jr337670.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" jr337670.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" jr337670.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" jr337670.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection jr337670.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" jr337670.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 32 IoCs
resource yara_rule behavioral1/memory/4492-160-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-161-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-163-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-165-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-167-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-169-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-171-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-173-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-175-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-177-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-179-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-181-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-183-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-185-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-187-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-189-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-191-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-193-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-195-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-197-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-199-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-201-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-203-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-205-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-207-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-209-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-211-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-213-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-215-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-217-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-219-0x0000000007750000-0x000000000778F000-memory.dmp family_redline behavioral1/memory/4492-221-0x0000000007750000-0x000000000778F000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 1556 zigk1403.exe 2648 jr337670.exe 4492 ku142932.exe 1448 lr145884.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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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" jr337670.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 4a328d50b621301d29b37dcad7b5978d321729cded1180cf38777400b2e6fe33.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\\\"" 4a328d50b621301d29b37dcad7b5978d321729cded1180cf38777400b2e6fe33.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce zigk1403.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\\\"" zigk1403.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 2 IoCs
pid pid_target Process procid_target 4012 4492 WerFault.exe 95 1768 1212 WerFault.exe 84 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2648 jr337670.exe 2648 jr337670.exe 4492 ku142932.exe 4492 ku142932.exe 1448 lr145884.exe 1448 lr145884.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2648 jr337670.exe Token: SeDebugPrivilege 4492 ku142932.exe Token: SeDebugPrivilege 1448 lr145884.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1212 wrote to memory of 1556 1212 4a328d50b621301d29b37dcad7b5978d321729cded1180cf38777400b2e6fe33.exe 85 PID 1212 wrote to memory of 1556 1212 4a328d50b621301d29b37dcad7b5978d321729cded1180cf38777400b2e6fe33.exe 85 PID 1212 wrote to memory of 1556 1212 4a328d50b621301d29b37dcad7b5978d321729cded1180cf38777400b2e6fe33.exe 85 PID 1556 wrote to memory of 2648 1556 zigk1403.exe 86 PID 1556 wrote to memory of 2648 1556 zigk1403.exe 86 PID 1556 wrote to memory of 4492 1556 zigk1403.exe 95 PID 1556 wrote to memory of 4492 1556 zigk1403.exe 95 PID 1556 wrote to memory of 4492 1556 zigk1403.exe 95 PID 1212 wrote to memory of 1448 1212 4a328d50b621301d29b37dcad7b5978d321729cded1180cf38777400b2e6fe33.exe 99 PID 1212 wrote to memory of 1448 1212 4a328d50b621301d29b37dcad7b5978d321729cded1180cf38777400b2e6fe33.exe 99 PID 1212 wrote to memory of 1448 1212 4a328d50b621301d29b37dcad7b5978d321729cded1180cf38777400b2e6fe33.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\4a328d50b621301d29b37dcad7b5978d321729cded1180cf38777400b2e6fe33.exe"C:\Users\Admin\AppData\Local\Temp\4a328d50b621301d29b37dcad7b5978d321729cded1180cf38777400b2e6fe33.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1212 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zigk1403.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zigk1403.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1556 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr337670.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr337670.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2648
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku142932.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku142932.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4492 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 13364⤵
- Program crash
PID:4012
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr145884.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr145884.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 5042⤵
- Program crash
PID:1768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4492 -ip 44921⤵PID:4172
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1212 -ip 12121⤵PID:2784
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD5f50023c2c4bad1bbf51efde95c575b28
SHA19e02fe5ecc82f471d8c078a0d4b9ce02fdf69ce1
SHA256a491d4a9a89a7103f18f402d20df34f1ae56d18bc779ff8a4681f52a3e65cbdb
SHA512d869c3c475811fdce251a700556018d98c639c28ec838f31e0fb3a9f91743843393d77735f14b992a7407356d109b680e2b9687385bae2ed7ffaef88b7c9fa57
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Filesize
175KB
MD5f50023c2c4bad1bbf51efde95c575b28
SHA19e02fe5ecc82f471d8c078a0d4b9ce02fdf69ce1
SHA256a491d4a9a89a7103f18f402d20df34f1ae56d18bc779ff8a4681f52a3e65cbdb
SHA512d869c3c475811fdce251a700556018d98c639c28ec838f31e0fb3a9f91743843393d77735f14b992a7407356d109b680e2b9687385bae2ed7ffaef88b7c9fa57
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Filesize
412KB
MD5019ee7f4c5846a44fe6d6797cc7fa04f
SHA1811f1e26e6bef53cfca9563b73c5d5acfc722e64
SHA2562fbc66bd6bd00943da78ae655d5ed521096b32247dafe994137771335ef22334
SHA512a3558a9b6aa5f198ac56bea427457fbf18eae55570789915582e6718e70f0ed0adbcd52095533b95c9170f73561a344c7341ce5fe92f0fb90888137b3f605515
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Filesize
412KB
MD5019ee7f4c5846a44fe6d6797cc7fa04f
SHA1811f1e26e6bef53cfca9563b73c5d5acfc722e64
SHA2562fbc66bd6bd00943da78ae655d5ed521096b32247dafe994137771335ef22334
SHA512a3558a9b6aa5f198ac56bea427457fbf18eae55570789915582e6718e70f0ed0adbcd52095533b95c9170f73561a344c7341ce5fe92f0fb90888137b3f605515
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
386KB
MD5cd2b5a7d7a4e918725a07c42fb34706b
SHA16fc73eeeaa8cb00ea3ce516853431e42f18c1b4a
SHA256d10c7501dd8bd2476df4dd0e68a5d3890340528238ef2d225a942fbd683880ec
SHA5124252e3537f506c1a02920376d0604e33ac7454993ce865aee4d5965437e07bd937c9b7351dbd9cce3fd3373790136f060c6b08f1729ba9ca0f3d8f5ae7d0da43
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Filesize
386KB
MD5cd2b5a7d7a4e918725a07c42fb34706b
SHA16fc73eeeaa8cb00ea3ce516853431e42f18c1b4a
SHA256d10c7501dd8bd2476df4dd0e68a5d3890340528238ef2d225a942fbd683880ec
SHA5124252e3537f506c1a02920376d0604e33ac7454993ce865aee4d5965437e07bd937c9b7351dbd9cce3fd3373790136f060c6b08f1729ba9ca0f3d8f5ae7d0da43