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Analysis
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max time kernel
82s -
max time network
104s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
23/03/2023, 08:50
Static task
static1
Behavioral task
behavioral1
Sample
6c50843724598be0094e37ce0ee44724cd073fcbe4779ac9dcb157819cb71ef8.exe
Resource
win10v2004-20230220-en
General
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Target
6c50843724598be0094e37ce0ee44724cd073fcbe4779ac9dcb157819cb71ef8.exe
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Size
681KB
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MD5
83cca187c32cd176d91c9e8ed4cfbaef
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SHA1
b3ddc4838db99a4be8df2ac591981c3ba0cff5b8
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SHA256
6c50843724598be0094e37ce0ee44724cd073fcbe4779ac9dcb157819cb71ef8
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SHA512
8dce35235999c44f4d6b4506c4933fe5e50b4984d1e80d3112bcc3912a5cbe9f0829ec50c9bc5221a23b60dc3159145076e2aa35d5e8e3b855f82ff7fb0b1a6b
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SSDEEP
12288:A2ojBKZrg5SmePIA7/ELeej4rWLryxMsnlKAmPctv79HhcklY4XaUPpxc:5K+c5SmLRjFLrZsnob0N79HhPXDPpS
Malware Config
Extracted
redline
down
193.233.20.31:4125
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auth_value
12c31a90c72f5efae8c053a0bd339381
Extracted
redline
real
193.233.20.31:4125
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auth_value
bb22a50228754849387d5f4d1611e71b
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" jr460394.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" jr460394.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection jr460394.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" jr460394.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" jr460394.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" jr460394.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/4380-161-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-164-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-162-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-166-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-168-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-170-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-172-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-174-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-177-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-176-0x0000000004F00000-0x0000000004F10000-memory.dmp family_redline behavioral1/memory/4380-181-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-183-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-185-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-187-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-189-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-191-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-193-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-195-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-197-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-199-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-201-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-203-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-205-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-207-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-209-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-211-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-213-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-215-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-217-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-219-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-221-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-223-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/4380-1080-0x0000000004F00000-0x0000000004F10000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 1824 zioW0194.exe 808 jr460394.exe 4380 ku449663.exe 2212 lr288670.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" jr460394.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 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\\\"" 6c50843724598be0094e37ce0ee44724cd073fcbe4779ac9dcb157819cb71ef8.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce zioW0194.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\\\"" zioW0194.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 6c50843724598be0094e37ce0ee44724cd073fcbe4779ac9dcb157819cb71ef8.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 3372 4380 WerFault.exe 97 4848 4624 WerFault.exe 85 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 808 jr460394.exe 808 jr460394.exe 4380 ku449663.exe 4380 ku449663.exe 2212 lr288670.exe 2212 lr288670.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 808 jr460394.exe Token: SeDebugPrivilege 4380 ku449663.exe Token: SeDebugPrivilege 2212 lr288670.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4624 wrote to memory of 1824 4624 6c50843724598be0094e37ce0ee44724cd073fcbe4779ac9dcb157819cb71ef8.exe 86 PID 4624 wrote to memory of 1824 4624 6c50843724598be0094e37ce0ee44724cd073fcbe4779ac9dcb157819cb71ef8.exe 86 PID 4624 wrote to memory of 1824 4624 6c50843724598be0094e37ce0ee44724cd073fcbe4779ac9dcb157819cb71ef8.exe 86 PID 1824 wrote to memory of 808 1824 zioW0194.exe 87 PID 1824 wrote to memory of 808 1824 zioW0194.exe 87 PID 1824 wrote to memory of 4380 1824 zioW0194.exe 97 PID 1824 wrote to memory of 4380 1824 zioW0194.exe 97 PID 1824 wrote to memory of 4380 1824 zioW0194.exe 97 PID 4624 wrote to memory of 2212 4624 6c50843724598be0094e37ce0ee44724cd073fcbe4779ac9dcb157819cb71ef8.exe 104 PID 4624 wrote to memory of 2212 4624 6c50843724598be0094e37ce0ee44724cd073fcbe4779ac9dcb157819cb71ef8.exe 104 PID 4624 wrote to memory of 2212 4624 6c50843724598be0094e37ce0ee44724cd073fcbe4779ac9dcb157819cb71ef8.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\6c50843724598be0094e37ce0ee44724cd073fcbe4779ac9dcb157819cb71ef8.exe"C:\Users\Admin\AppData\Local\Temp\6c50843724598be0094e37ce0ee44724cd073fcbe4779ac9dcb157819cb71ef8.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4624 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zioW0194.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\zioW0194.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1824 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr460394.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr460394.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:808
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku449663.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku449663.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4380 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 14204⤵
- Program crash
PID:3372
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr288670.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr288670.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2212
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 4762⤵
- Program crash
PID:4848
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4380 -ip 43801⤵PID:2892
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4624 -ip 46241⤵PID:4520
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD541707338e1e2d868aa699ac0dd2e77b0
SHA136e0dfba09f9fb409faf0f9a99217d0d0c524b82
SHA2568d2a5ba6ae16aa5ee13382edb585c480b6bf2db098427ffe5f8d55323ded7557
SHA51280c66cbf19f6b2cc2e979b1fd1769cf45957761fa3f94b33fc194f88379b57ec9327a86ce374c6dc25334b44e4e8aa518a5d0d03ddb4f4eddfdfe8ddfc9fb6f2
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Filesize
175KB
MD541707338e1e2d868aa699ac0dd2e77b0
SHA136e0dfba09f9fb409faf0f9a99217d0d0c524b82
SHA2568d2a5ba6ae16aa5ee13382edb585c480b6bf2db098427ffe5f8d55323ded7557
SHA51280c66cbf19f6b2cc2e979b1fd1769cf45957761fa3f94b33fc194f88379b57ec9327a86ce374c6dc25334b44e4e8aa518a5d0d03ddb4f4eddfdfe8ddfc9fb6f2
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Filesize
403KB
MD5a6f57e34cae94ab926964b627404d029
SHA1d9056e63181be9a37dfb527b161a9aeda13a534a
SHA256d0d2e4c09e02bdb8fa5ca3090f9ca38a8c83c99384c0cd249e0896c1784e98e5
SHA512647655e41f1d4e92ae9f1f9698bef8a8ff8d7ee758f132a1742cd50a8a2c6920e89d4de1212c90040ccbca1b7949169ec1d642d61eaa935a4a77c4839270e27b
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Filesize
403KB
MD5a6f57e34cae94ab926964b627404d029
SHA1d9056e63181be9a37dfb527b161a9aeda13a534a
SHA256d0d2e4c09e02bdb8fa5ca3090f9ca38a8c83c99384c0cd249e0896c1784e98e5
SHA512647655e41f1d4e92ae9f1f9698bef8a8ff8d7ee758f132a1742cd50a8a2c6920e89d4de1212c90040ccbca1b7949169ec1d642d61eaa935a4a77c4839270e27b
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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
351KB
MD51352088f4f9bac7727be4ae23b8de8ab
SHA12663c0ac6b0168372d1631423575c3c9af80a08f
SHA2567a2852ed475c75b0d3bea8c97598f8b2f2d6a160152caf186ea14c1612d6ff1d
SHA512329a112d2c967aea377757753412a0bd7ff71349f171b575ea135c45b5343dbfd54bdac2f235e016880e0871d6a24280db5b1a256d0da90996e34ba6eb7760ed
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Filesize
351KB
MD51352088f4f9bac7727be4ae23b8de8ab
SHA12663c0ac6b0168372d1631423575c3c9af80a08f
SHA2567a2852ed475c75b0d3bea8c97598f8b2f2d6a160152caf186ea14c1612d6ff1d
SHA512329a112d2c967aea377757753412a0bd7ff71349f171b575ea135c45b5343dbfd54bdac2f235e016880e0871d6a24280db5b1a256d0da90996e34ba6eb7760ed