Analysis
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max time kernel
61s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
02/04/2023, 06:47
Static task
static1
Behavioral task
behavioral1
Sample
76c4c52e660c2a3e0966cbc78f0e94392c227bb5d7dcb467864b32ab144164f1.exe
Resource
win10v2004-20230221-en
General
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Target
76c4c52e660c2a3e0966cbc78f0e94392c227bb5d7dcb467864b32ab144164f1.exe
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Size
529KB
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MD5
a488732e42e60c2134d3ab91d2f4a875
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SHA1
ed706fafc68aafe79d32bcadfd6170d531ccde1b
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SHA256
76c4c52e660c2a3e0966cbc78f0e94392c227bb5d7dcb467864b32ab144164f1
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SHA512
316c5910f5c24c483fd36fe93f22c58d9cda94715870e8f6a9b65d48401e9cd70f63dc4ae0f49f2a8265264c56dee1f6b0ebcddbd3b5f4d79db641f3f1650dac
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SSDEEP
12288:iMrQy90+smC7cCENhujvl7wjwhatXfABCLPMWu98:OyI7lWhu7l88h2vrBM8
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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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" jr697985.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" jr697985.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" jr697985.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" jr697985.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection jr697985.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" jr697985.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 33 IoCs
resource yara_rule behavioral1/memory/2660-158-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-160-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-157-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-162-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-164-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-166-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-168-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-170-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-172-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-174-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-176-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-178-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-180-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-182-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-184-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-186-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-188-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-190-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-192-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-194-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-196-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-198-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-200-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-202-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-204-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-206-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-208-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-210-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-212-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-214-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-216-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-218-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline behavioral1/memory/2660-220-0x00000000029A0000-0x00000000029DF000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 4864 zihl6590.exe 1188 jr697985.exe 2660 ku972000.exe 4576 lr059694.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" jr697985.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 zihl6590.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\\\"" zihl6590.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 76c4c52e660c2a3e0966cbc78f0e94392c227bb5d7dcb467864b32ab144164f1.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\\\"" 76c4c52e660c2a3e0966cbc78f0e94392c227bb5d7dcb467864b32ab144164f1.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
pid pid_target Process procid_target 4500 2660 WerFault.exe 91 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1188 jr697985.exe 1188 jr697985.exe 2660 ku972000.exe 2660 ku972000.exe 4576 lr059694.exe 4576 lr059694.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1188 jr697985.exe Token: SeDebugPrivilege 2660 ku972000.exe Token: SeDebugPrivilege 4576 lr059694.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2068 wrote to memory of 4864 2068 76c4c52e660c2a3e0966cbc78f0e94392c227bb5d7dcb467864b32ab144164f1.exe 83 PID 2068 wrote to memory of 4864 2068 76c4c52e660c2a3e0966cbc78f0e94392c227bb5d7dcb467864b32ab144164f1.exe 83 PID 2068 wrote to memory of 4864 2068 76c4c52e660c2a3e0966cbc78f0e94392c227bb5d7dcb467864b32ab144164f1.exe 83 PID 4864 wrote to memory of 1188 4864 zihl6590.exe 84 PID 4864 wrote to memory of 1188 4864 zihl6590.exe 84 PID 4864 wrote to memory of 2660 4864 zihl6590.exe 91 PID 4864 wrote to memory of 2660 4864 zihl6590.exe 91 PID 4864 wrote to memory of 2660 4864 zihl6590.exe 91 PID 2068 wrote to memory of 4576 2068 76c4c52e660c2a3e0966cbc78f0e94392c227bb5d7dcb467864b32ab144164f1.exe 96 PID 2068 wrote to memory of 4576 2068 76c4c52e660c2a3e0966cbc78f0e94392c227bb5d7dcb467864b32ab144164f1.exe 96 PID 2068 wrote to memory of 4576 2068 76c4c52e660c2a3e0966cbc78f0e94392c227bb5d7dcb467864b32ab144164f1.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\76c4c52e660c2a3e0966cbc78f0e94392c227bb5d7dcb467864b32ab144164f1.exe"C:\Users\Admin\AppData\Local\Temp\76c4c52e660c2a3e0966cbc78f0e94392c227bb5d7dcb467864b32ab144164f1.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2068 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zihl6590.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zihl6590.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4864 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr697985.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr697985.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1188
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku972000.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku972000.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2660 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2660 -s 17884⤵
- Program crash
PID:4500
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr059694.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr059694.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4576
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2660 -ip 26601⤵PID:2500
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
176KB
MD58350c2da56c3b4dcbaef3302c468d856
SHA111ca7b46b8b3908418d6ce437a44070dd92b26de
SHA25678e6dab34d1089526dda576af6522ce457719391c1601143f4d9b8eaa772a7ef
SHA512a91a65d064d7047362a11c5fc5c289e989131482633f74604b18c53a016a7d53d3b0d4f20464e1ea150cf50f15060cde120fda0f1e4438d3a4eda1a5744fb220
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Filesize
176KB
MD58350c2da56c3b4dcbaef3302c468d856
SHA111ca7b46b8b3908418d6ce437a44070dd92b26de
SHA25678e6dab34d1089526dda576af6522ce457719391c1601143f4d9b8eaa772a7ef
SHA512a91a65d064d7047362a11c5fc5c289e989131482633f74604b18c53a016a7d53d3b0d4f20464e1ea150cf50f15060cde120fda0f1e4438d3a4eda1a5744fb220
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Filesize
388KB
MD548b87dbbea5cd356368588c876ae3f71
SHA17dbb6ffae7be6dccfc8c9ef87ced80d7ae229cf1
SHA256c7ad472a1594d3b9e17171ff4560cfa729a37e7b60a60219a3ced229283f496b
SHA5129e712492db46961cf81f4e21625d67f2d07e6876dcc2078bc2dc3f80cc2c227e20f3afb6d7ae6d422444625f447a09ffcae43ab2574ec4140b50f534f182c983
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Filesize
388KB
MD548b87dbbea5cd356368588c876ae3f71
SHA17dbb6ffae7be6dccfc8c9ef87ced80d7ae229cf1
SHA256c7ad472a1594d3b9e17171ff4560cfa729a37e7b60a60219a3ced229283f496b
SHA5129e712492db46961cf81f4e21625d67f2d07e6876dcc2078bc2dc3f80cc2c227e20f3afb6d7ae6d422444625f447a09ffcae43ab2574ec4140b50f534f182c983
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Filesize
12KB
MD5b99a8d41703e629e4c22ac69840cfde3
SHA101fff850232f8953ad5b53384193c3d118ade671
SHA256713b8ee63c2f0dd7db591b5075b5bc451e6666e03483f59de2feb199f1d5f003
SHA512a8e33a6d926cd9b87717aeb7fa5718d93c65ed4bd1aba6e7fde8b6e631920c0910128bc2b3f1a16db944fbded6d0daf21577aeaf3326b15a9d4cfa938ee4ad16
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Filesize
12KB
MD5b99a8d41703e629e4c22ac69840cfde3
SHA101fff850232f8953ad5b53384193c3d118ade671
SHA256713b8ee63c2f0dd7db591b5075b5bc451e6666e03483f59de2feb199f1d5f003
SHA512a8e33a6d926cd9b87717aeb7fa5718d93c65ed4bd1aba6e7fde8b6e631920c0910128bc2b3f1a16db944fbded6d0daf21577aeaf3326b15a9d4cfa938ee4ad16
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Filesize
434KB
MD52ddc106449f20f87c0bafaec15e4a525
SHA11487e72566676ce56762b30548aaa45b9b913eb6
SHA256b9102a2d2e3243ed2d02930074010d98c71f7742469090089e732da36a497c0f
SHA512a4883d3eb5b8523d8ecbecb6e234ea1f34c52555dbdea3903e962d5bbf341dd3765d8bc1e1b9e13287654b7251e05364807482db14d9fa70376c9f666b84f7cd
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Filesize
434KB
MD52ddc106449f20f87c0bafaec15e4a525
SHA11487e72566676ce56762b30548aaa45b9b913eb6
SHA256b9102a2d2e3243ed2d02930074010d98c71f7742469090089e732da36a497c0f
SHA512a4883d3eb5b8523d8ecbecb6e234ea1f34c52555dbdea3903e962d5bbf341dd3765d8bc1e1b9e13287654b7251e05364807482db14d9fa70376c9f666b84f7cd