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Analysis
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max time kernel
55s -
max time network
152s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
03/03/2023, 05:45
Static task
static1
Behavioral task
behavioral1
Sample
e24aa91844f161bd3a3826f56e165d70ecbe35529d0b74aa73051339997f8669.exe
Resource
win10-20230220-en
General
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Target
e24aa91844f161bd3a3826f56e165d70ecbe35529d0b74aa73051339997f8669.exe
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Size
666KB
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MD5
711606d4a9d81857c2e615c46601133b
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SHA1
c9a43563db935b7e164268dae14d0cba11964562
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SHA256
e24aa91844f161bd3a3826f56e165d70ecbe35529d0b74aa73051339997f8669
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SHA512
a3941d5e5655adcdfdcb7763e9d5b60b20f27e65c65c8bd43bb22edd2b0a827e38c7a574407b84f2ca145c68e9fe321abc852d6f43c71ca3fc1d12a6cb3049c4
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SSDEEP
12288:aMriy90GjSpas3RTp8lfLXdGr5k47w6CmR3X6NNP1B3qZPISYdG+q93:Qy5jSpas3yf7dGr5k6Z3wXB3qZJZ93
Malware Config
Extracted
redline
ruzhpe
pepunn.com:4162
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auth_value
f735ced96ae8d01d0bd1d514240e54e0
Extracted
redline
fchan
pepunn.com:4162
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auth_value
127bd53d55e8c4f0dd2f6e1ea60deef4
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" urfZ64Cp07.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" urfZ64Cp07.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" urfZ64Cp07.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" urfZ64Cp07.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" urfZ64Cp07.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 20 IoCs
resource yara_rule behavioral1/memory/4384-176-0x0000000002540000-0x0000000002586000-memory.dmp family_redline behavioral1/memory/4384-177-0x00000000025C0000-0x0000000002604000-memory.dmp family_redline behavioral1/memory/4384-178-0x00000000025C0000-0x00000000025FE000-memory.dmp family_redline behavioral1/memory/4384-179-0x00000000025C0000-0x00000000025FE000-memory.dmp family_redline behavioral1/memory/4384-181-0x00000000025C0000-0x00000000025FE000-memory.dmp family_redline behavioral1/memory/4384-183-0x00000000025C0000-0x00000000025FE000-memory.dmp family_redline behavioral1/memory/4384-185-0x00000000025C0000-0x00000000025FE000-memory.dmp family_redline behavioral1/memory/4384-187-0x00000000025C0000-0x00000000025FE000-memory.dmp family_redline behavioral1/memory/4384-189-0x00000000025C0000-0x00000000025FE000-memory.dmp family_redline behavioral1/memory/4384-191-0x00000000025C0000-0x00000000025FE000-memory.dmp family_redline behavioral1/memory/4384-193-0x00000000025C0000-0x00000000025FE000-memory.dmp family_redline behavioral1/memory/4384-195-0x00000000025C0000-0x00000000025FE000-memory.dmp family_redline behavioral1/memory/4384-197-0x00000000025C0000-0x00000000025FE000-memory.dmp family_redline behavioral1/memory/4384-201-0x00000000025C0000-0x00000000025FE000-memory.dmp family_redline behavioral1/memory/4384-207-0x00000000025C0000-0x00000000025FE000-memory.dmp family_redline behavioral1/memory/4384-204-0x00000000025C0000-0x00000000025FE000-memory.dmp family_redline behavioral1/memory/4384-209-0x00000000025C0000-0x00000000025FE000-memory.dmp family_redline behavioral1/memory/4384-211-0x00000000025C0000-0x00000000025FE000-memory.dmp family_redline behavioral1/memory/4384-215-0x00000000025C0000-0x00000000025FE000-memory.dmp family_redline behavioral1/memory/4384-213-0x00000000025C0000-0x00000000025FE000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 4044 ycTO32pf76.exe 4072 urfZ64Cp07.exe 4384 wrkN62em57.exe 1784 xurj86KG11.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 Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features urfZ64Cp07.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" urfZ64Cp07.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 e24aa91844f161bd3a3826f56e165d70ecbe35529d0b74aa73051339997f8669.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\\\"" e24aa91844f161bd3a3826f56e165d70ecbe35529d0b74aa73051339997f8669.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce ycTO32pf76.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\\\"" ycTO32pf76.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 4072 urfZ64Cp07.exe 4072 urfZ64Cp07.exe 4384 wrkN62em57.exe 4384 wrkN62em57.exe 1784 xurj86KG11.exe 1784 xurj86KG11.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4072 urfZ64Cp07.exe Token: SeDebugPrivilege 4384 wrkN62em57.exe Token: SeDebugPrivilege 1784 xurj86KG11.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3232 wrote to memory of 4044 3232 e24aa91844f161bd3a3826f56e165d70ecbe35529d0b74aa73051339997f8669.exe 66 PID 3232 wrote to memory of 4044 3232 e24aa91844f161bd3a3826f56e165d70ecbe35529d0b74aa73051339997f8669.exe 66 PID 3232 wrote to memory of 4044 3232 e24aa91844f161bd3a3826f56e165d70ecbe35529d0b74aa73051339997f8669.exe 66 PID 4044 wrote to memory of 4072 4044 ycTO32pf76.exe 67 PID 4044 wrote to memory of 4072 4044 ycTO32pf76.exe 67 PID 4044 wrote to memory of 4072 4044 ycTO32pf76.exe 67 PID 4044 wrote to memory of 4384 4044 ycTO32pf76.exe 68 PID 4044 wrote to memory of 4384 4044 ycTO32pf76.exe 68 PID 4044 wrote to memory of 4384 4044 ycTO32pf76.exe 68 PID 3232 wrote to memory of 1784 3232 e24aa91844f161bd3a3826f56e165d70ecbe35529d0b74aa73051339997f8669.exe 70 PID 3232 wrote to memory of 1784 3232 e24aa91844f161bd3a3826f56e165d70ecbe35529d0b74aa73051339997f8669.exe 70 PID 3232 wrote to memory of 1784 3232 e24aa91844f161bd3a3826f56e165d70ecbe35529d0b74aa73051339997f8669.exe 70
Processes
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C:\Users\Admin\AppData\Local\Temp\e24aa91844f161bd3a3826f56e165d70ecbe35529d0b74aa73051339997f8669.exe"C:\Users\Admin\AppData\Local\Temp\e24aa91844f161bd3a3826f56e165d70ecbe35529d0b74aa73051339997f8669.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3232 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycTO32pf76.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycTO32pf76.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4044 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urfZ64Cp07.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urfZ64Cp07.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4072
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrkN62em57.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrkN62em57.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4384
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xurj86KG11.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xurj86KG11.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1784
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD50bccc38c4f456a28b85da467cfb94596
SHA16f23e6436ad79141e63f3210ace789db2b02b480
SHA2568d407e70fae68a01883703bdf21d5c2da4d921febef736da1de9aef8b2850302
SHA512479d891eb6034d4a2d14ec64c15b6f4f53177eeb17f87ef544dade2717bed35a529f2420f1365b8d4e578eafd784e7a99f3407defbc70ad0b6a2e20e400eaf88
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Filesize
175KB
MD50bccc38c4f456a28b85da467cfb94596
SHA16f23e6436ad79141e63f3210ace789db2b02b480
SHA2568d407e70fae68a01883703bdf21d5c2da4d921febef736da1de9aef8b2850302
SHA512479d891eb6034d4a2d14ec64c15b6f4f53177eeb17f87ef544dade2717bed35a529f2420f1365b8d4e578eafd784e7a99f3407defbc70ad0b6a2e20e400eaf88
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Filesize
522KB
MD5ad56f847e579377ea24daa27e14a7b62
SHA123e25897d66c65ca0e99dffa40605d8b961c13fe
SHA256b28cb22fbd605a3241cfe04b3d8a87bb551421909a7bbfc1fa2905720726d817
SHA512e3bdfb5b0ec98513f38931128c8571a9a0af43e49f9193ee253eb5a9a3e81ca3cc20d0c3a9e490b4c1e5b2a953486c0e0a040d09d6408aec0d9162244d4478f4
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Filesize
522KB
MD5ad56f847e579377ea24daa27e14a7b62
SHA123e25897d66c65ca0e99dffa40605d8b961c13fe
SHA256b28cb22fbd605a3241cfe04b3d8a87bb551421909a7bbfc1fa2905720726d817
SHA512e3bdfb5b0ec98513f38931128c8571a9a0af43e49f9193ee253eb5a9a3e81ca3cc20d0c3a9e490b4c1e5b2a953486c0e0a040d09d6408aec0d9162244d4478f4
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Filesize
250KB
MD5452980bfe4732aaef2162c53c88f7ea4
SHA131b4e28e7ffdf36023ea859f0c343036dfb0470e
SHA256855df086e7969ec6904fde9c5920ab3c6c364ebbc240aa266f78a3103b59d06d
SHA5127ad12f0badc78bb1d42743e8776bece49a55e25244a9b7681c17c345f212bd2d28077e7fe495903de160d43aa7b3d57a419f0895ae3420a3b945d830d1d58707
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Filesize
250KB
MD5452980bfe4732aaef2162c53c88f7ea4
SHA131b4e28e7ffdf36023ea859f0c343036dfb0470e
SHA256855df086e7969ec6904fde9c5920ab3c6c364ebbc240aa266f78a3103b59d06d
SHA5127ad12f0badc78bb1d42743e8776bece49a55e25244a9b7681c17c345f212bd2d28077e7fe495903de160d43aa7b3d57a419f0895ae3420a3b945d830d1d58707
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Filesize
309KB
MD5284f5cacca006d191a474f8c3eada4c1
SHA105ccc7b3be213f8543b80cd95e4cbd1aac6190dd
SHA25652e7f367705bf1ad2aed8f9ac8dde3a1c3cd7fc0bd64ae3a3d5a44be416c1341
SHA51226887be6f3f12322ca653e2ba5ee592d5dba31c09312c27d5d29b1d9832f84e42f19a4588787894792d26068dc029ab6abca08a02cc2651e3c8dfe75c41fe4ee
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Filesize
309KB
MD5284f5cacca006d191a474f8c3eada4c1
SHA105ccc7b3be213f8543b80cd95e4cbd1aac6190dd
SHA25652e7f367705bf1ad2aed8f9ac8dde3a1c3cd7fc0bd64ae3a3d5a44be416c1341
SHA51226887be6f3f12322ca653e2ba5ee592d5dba31c09312c27d5d29b1d9832f84e42f19a4588787894792d26068dc029ab6abca08a02cc2651e3c8dfe75c41fe4ee