Analysis
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max time kernel
48s -
max time network
57s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
24-03-2023 04:33
Static task
static1
Behavioral task
behavioral1
Sample
a4c85aaadb3ac7c4ac562ad649c260f8acaaac2b65f544f735b6ae0028f3597a.exe
Resource
win10-20230220-en
General
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Target
a4c85aaadb3ac7c4ac562ad649c260f8acaaac2b65f544f735b6ae0028f3597a.exe
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Size
546KB
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MD5
5c00fc8336ba7612447ab70eb1ec0089
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SHA1
9364f44c67f6a9df4d58ac23b90f35692a2920de
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SHA256
a4c85aaadb3ac7c4ac562ad649c260f8acaaac2b65f544f735b6ae0028f3597a
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SHA512
30a7b770aa4513f275bcc05bd1dbd9a79a1e7083d45a81f893d22c69e4ec45f7738ff7ba784c887d8903931bd0f92aabc27bc5b271a4b427816c669500b2265e
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SSDEEP
12288:bMrqy903RKvhxVT+oyyd/bjav2WPz6atawL6rGhatWZuC68jxK:hyiKJjSoyyd/bjapRN6ysGxK
Malware Config
Extracted
redline
down
193.233.20.31:4125
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auth_value
12c31a90c72f5efae8c053a0bd339381
Extracted
redline
hero
193.233.20.31:4125
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auth_value
11f3c75a88ca461bcc8d6bf60a1193e3
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro6783.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro6783.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro6783.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro6783.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro6783.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 35 IoCs
resource yara_rule behavioral1/memory/2640-141-0x00000000027B0000-0x00000000027F6000-memory.dmp family_redline behavioral1/memory/2640-146-0x0000000004CA0000-0x0000000004CE4000-memory.dmp family_redline behavioral1/memory/2640-148-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-149-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-151-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-153-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-155-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-157-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-159-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-161-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-163-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-167-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-165-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-169-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-171-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-173-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-175-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-177-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-179-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-181-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-183-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-185-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-187-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-189-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-191-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-193-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-195-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-197-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-199-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-201-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-203-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-205-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-207-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-209-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/2640-211-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 2296 unio8837.exe 2604 pro6783.exe 2640 qu7499.exe 4400 si511529.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" pro6783.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 a4c85aaadb3ac7c4ac562ad649c260f8acaaac2b65f544f735b6ae0028f3597a.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\\\"" a4c85aaadb3ac7c4ac562ad649c260f8acaaac2b65f544f735b6ae0028f3597a.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce unio8837.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\\\"" unio8837.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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Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2604 pro6783.exe 2604 pro6783.exe 2640 qu7499.exe 2640 qu7499.exe 4400 si511529.exe 4400 si511529.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2604 pro6783.exe Token: SeDebugPrivilege 2640 qu7499.exe Token: SeDebugPrivilege 4400 si511529.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2076 wrote to memory of 2296 2076 a4c85aaadb3ac7c4ac562ad649c260f8acaaac2b65f544f735b6ae0028f3597a.exe 66 PID 2076 wrote to memory of 2296 2076 a4c85aaadb3ac7c4ac562ad649c260f8acaaac2b65f544f735b6ae0028f3597a.exe 66 PID 2076 wrote to memory of 2296 2076 a4c85aaadb3ac7c4ac562ad649c260f8acaaac2b65f544f735b6ae0028f3597a.exe 66 PID 2296 wrote to memory of 2604 2296 unio8837.exe 67 PID 2296 wrote to memory of 2604 2296 unio8837.exe 67 PID 2296 wrote to memory of 2640 2296 unio8837.exe 68 PID 2296 wrote to memory of 2640 2296 unio8837.exe 68 PID 2296 wrote to memory of 2640 2296 unio8837.exe 68 PID 2076 wrote to memory of 4400 2076 a4c85aaadb3ac7c4ac562ad649c260f8acaaac2b65f544f735b6ae0028f3597a.exe 70 PID 2076 wrote to memory of 4400 2076 a4c85aaadb3ac7c4ac562ad649c260f8acaaac2b65f544f735b6ae0028f3597a.exe 70 PID 2076 wrote to memory of 4400 2076 a4c85aaadb3ac7c4ac562ad649c260f8acaaac2b65f544f735b6ae0028f3597a.exe 70
Processes
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C:\Users\Admin\AppData\Local\Temp\a4c85aaadb3ac7c4ac562ad649c260f8acaaac2b65f544f735b6ae0028f3597a.exe"C:\Users\Admin\AppData\Local\Temp\a4c85aaadb3ac7c4ac562ad649c260f8acaaac2b65f544f735b6ae0028f3597a.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2076 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio8837.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio8837.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2296 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6783.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6783.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2604
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu7499.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu7499.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2640
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si511529.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si511529.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4400
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD57c11dfe7837f2079d50113de0e973682
SHA1fae072addd4d56ab67d08ab82da4aac5d7223960
SHA256442d9cc0073a6d45abbed64eb9891912091d444fe4dd368924d1b8cf7c59e65b
SHA51206085d23ead5955185736af64754c343a796af98b68c8013ba20b19a5c52eb92066698b86633d54438fe6ad5455c3c3c4625cf03d15439ab486e22388bd8cab7
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Filesize
175KB
MD57c11dfe7837f2079d50113de0e973682
SHA1fae072addd4d56ab67d08ab82da4aac5d7223960
SHA256442d9cc0073a6d45abbed64eb9891912091d444fe4dd368924d1b8cf7c59e65b
SHA51206085d23ead5955185736af64754c343a796af98b68c8013ba20b19a5c52eb92066698b86633d54438fe6ad5455c3c3c4625cf03d15439ab486e22388bd8cab7
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Filesize
404KB
MD5ae160ca43ba544e8d800a4f9c1fb10d2
SHA1843c6c56250f6ddbc9c303509c2145cc84a8b124
SHA2562bde5f24b91a444b97fe8cbb947419c702a3358769da0cbbb54f7f6b010037e1
SHA512fcddffbfd687975c55596d70fb9c2385f8caecbab068ac74434cca4681aa7439bd38aa4119a1d895788ba5092f8f9ce36136c666ef2edf894efd5e27e7c471cb
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Filesize
404KB
MD5ae160ca43ba544e8d800a4f9c1fb10d2
SHA1843c6c56250f6ddbc9c303509c2145cc84a8b124
SHA2562bde5f24b91a444b97fe8cbb947419c702a3358769da0cbbb54f7f6b010037e1
SHA512fcddffbfd687975c55596d70fb9c2385f8caecbab068ac74434cca4681aa7439bd38aa4119a1d895788ba5092f8f9ce36136c666ef2edf894efd5e27e7c471cb
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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
358KB
MD5cda2238d9b2419e92e3535c91ce891a2
SHA185aff389799b9861991a77d22509bbcbb5439fd7
SHA256fa1f8c929834f9f9c8c08ce6fc818075acbb9c0373633677ed0c4363148c65e6
SHA51265be8013f24392b76fce35ef7f6309788df291b838cb9e6eeaa3076f378fd6824660c98352f944ac378719bf5cb9e7ea8a528c8fa8b238ac6d92c5b5958edb3b
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Filesize
358KB
MD5cda2238d9b2419e92e3535c91ce891a2
SHA185aff389799b9861991a77d22509bbcbb5439fd7
SHA256fa1f8c929834f9f9c8c08ce6fc818075acbb9c0373633677ed0c4363148c65e6
SHA51265be8013f24392b76fce35ef7f6309788df291b838cb9e6eeaa3076f378fd6824660c98352f944ac378719bf5cb9e7ea8a528c8fa8b238ac6d92c5b5958edb3b