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Analysis
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max time kernel
76s -
max time network
126s -
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, 09:37
Static task
static1
Behavioral task
behavioral1
Sample
3aa6e90ff2f690deca63a865cd19c14903c8ef60d1b42e55d85dd617038fc32c.exe
Resource
win10v2004-20230220-en
General
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Target
3aa6e90ff2f690deca63a865cd19c14903c8ef60d1b42e55d85dd617038fc32c.exe
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Size
539KB
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MD5
7cae8f63653e6fa63e0a202a16e26705
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SHA1
ca873367f2eed57c3a90478583b9b5a572bfbcc1
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SHA256
3aa6e90ff2f690deca63a865cd19c14903c8ef60d1b42e55d85dd617038fc32c
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SHA512
a5a46aef077bbc636cf6759726777e3702f208c876834fce150c5e049ea63ca7cc6e23fefa2541e9db60a732c5f0b065760141893b81f7de7ca0bfc0c5c8b427
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SSDEEP
12288:EMrYy90y3Eb5Gv7Ic2B689YdxiI4+b90HAP1KNL:0yVPvh2BD9YPbR0gPoNL
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 Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection pro1980.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro1980.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro1980.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro1980.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro1980.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro1980.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/4660-155-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-156-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-158-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-160-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-162-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-164-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-166-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-171-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-173-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-175-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-177-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-179-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-181-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-183-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-185-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-187-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-189-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-191-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-193-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-195-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-197-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-199-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-201-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-203-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-205-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-207-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-209-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-211-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-213-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-215-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-217-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-219-0x0000000007740000-0x000000000777E000-memory.dmp family_redline behavioral1/memory/4660-221-0x0000000007740000-0x000000000777E000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 1772 unio5373.exe 1932 pro1980.exe 4660 qu1104.exe 3912 si890891.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" pro1980.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 3aa6e90ff2f690deca63a865cd19c14903c8ef60d1b42e55d85dd617038fc32c.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\\\"" 3aa6e90ff2f690deca63a865cd19c14903c8ef60d1b42e55d85dd617038fc32c.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce unio5373.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\\\"" unio5373.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 2140 4660 WerFault.exe 89 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1932 pro1980.exe 1932 pro1980.exe 4660 qu1104.exe 4660 qu1104.exe 3912 si890891.exe 3912 si890891.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1932 pro1980.exe Token: SeDebugPrivilege 4660 qu1104.exe Token: SeDebugPrivilege 3912 si890891.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3784 wrote to memory of 1772 3784 3aa6e90ff2f690deca63a865cd19c14903c8ef60d1b42e55d85dd617038fc32c.exe 87 PID 3784 wrote to memory of 1772 3784 3aa6e90ff2f690deca63a865cd19c14903c8ef60d1b42e55d85dd617038fc32c.exe 87 PID 3784 wrote to memory of 1772 3784 3aa6e90ff2f690deca63a865cd19c14903c8ef60d1b42e55d85dd617038fc32c.exe 87 PID 1772 wrote to memory of 1932 1772 unio5373.exe 88 PID 1772 wrote to memory of 1932 1772 unio5373.exe 88 PID 1772 wrote to memory of 4660 1772 unio5373.exe 89 PID 1772 wrote to memory of 4660 1772 unio5373.exe 89 PID 1772 wrote to memory of 4660 1772 unio5373.exe 89 PID 3784 wrote to memory of 3912 3784 3aa6e90ff2f690deca63a865cd19c14903c8ef60d1b42e55d85dd617038fc32c.exe 92 PID 3784 wrote to memory of 3912 3784 3aa6e90ff2f690deca63a865cd19c14903c8ef60d1b42e55d85dd617038fc32c.exe 92 PID 3784 wrote to memory of 3912 3784 3aa6e90ff2f690deca63a865cd19c14903c8ef60d1b42e55d85dd617038fc32c.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\3aa6e90ff2f690deca63a865cd19c14903c8ef60d1b42e55d85dd617038fc32c.exe"C:\Users\Admin\AppData\Local\Temp\3aa6e90ff2f690deca63a865cd19c14903c8ef60d1b42e55d85dd617038fc32c.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3784 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio5373.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio5373.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1772 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1980.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1980.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1932
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1104.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu1104.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4660 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4660 -s 13404⤵
- Program crash
PID:2140
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si890891.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si890891.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3912
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4660 -ip 46601⤵PID:1216
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
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
397KB
MD54fc7d14b1f44153176e491ae8ec949bc
SHA1f08ef3195a7c0bbee13ed3b5c9b097b26476bde7
SHA256fd450ae21bef1d4cb60e16b469242ee6b8a8bbbe27118873e6848e7a98db1cab
SHA51254a250a97956027c182f3b73e698c4236adddbb37f1a85cfa8b569445826aba670480798801c5e036c20a8f2ad3022ce74c1b9ca693660931d85994ba8b7b2f6
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Filesize
397KB
MD54fc7d14b1f44153176e491ae8ec949bc
SHA1f08ef3195a7c0bbee13ed3b5c9b097b26476bde7
SHA256fd450ae21bef1d4cb60e16b469242ee6b8a8bbbe27118873e6848e7a98db1cab
SHA51254a250a97956027c182f3b73e698c4236adddbb37f1a85cfa8b569445826aba670480798801c5e036c20a8f2ad3022ce74c1b9ca693660931d85994ba8b7b2f6
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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
355KB
MD5a2d11700f67c3989874eadfdc5591074
SHA1d49ad0c329545b2d4fbe3f5b869e62973f49cacd
SHA256be661bcd116cd8ed65a3e2023353fe6a772e1b13012b911552793d08adc68212
SHA512fcdc2ee5b0af84f803e034e41e60494d59891b350e81675dd6e231a6bb3562a4860ba302cfa7bc6214c83fe02d68da0cda7a701553f6150823711cc3e41ec743
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Filesize
355KB
MD5a2d11700f67c3989874eadfdc5591074
SHA1d49ad0c329545b2d4fbe3f5b869e62973f49cacd
SHA256be661bcd116cd8ed65a3e2023353fe6a772e1b13012b911552793d08adc68212
SHA512fcdc2ee5b0af84f803e034e41e60494d59891b350e81675dd6e231a6bb3562a4860ba302cfa7bc6214c83fe02d68da0cda7a701553f6150823711cc3e41ec743