Analysis
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max time kernel
114s -
max time network
119s -
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 20:55
Static task
static1
Behavioral task
behavioral1
Sample
a3e6817faa82106cfd5f950e69f8216f8d0519cfbbabee9817b9f13f2be9dc25.exe
Resource
win10v2004-20230220-en
General
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Target
a3e6817faa82106cfd5f950e69f8216f8d0519cfbbabee9817b9f13f2be9dc25.exe
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Size
544KB
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MD5
3fdf1c59d7f5ebc55d6423ee678a0296
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SHA1
a0c3f80cc6281eade6363e63f283d954a4576491
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SHA256
a3e6817faa82106cfd5f950e69f8216f8d0519cfbbabee9817b9f13f2be9dc25
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SHA512
8dc74cc175a1e32e699ed459ad4296711185d93cf64f8e2f18bf9bf3a40ee0d17a74f920c1ed3c41b1c5d56d1ac725b90d1f1a18703a456cfab71de3040f34a7
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SSDEEP
12288:YMrCy90ET0f0Z0fl66+SqgUkMLsw5iuehbAJoZlXqJD8:6y6Fb+2VM4UixhE6rXq+
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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Processes:
pro8887.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection pro8887.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro8887.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro8887.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro8887.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro8887.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro8887.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 34 IoCs
Processes:
resource yara_rule behavioral1/memory/3584-155-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-156-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-158-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-160-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-162-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-164-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-166-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-168-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-172-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-170-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-174-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-176-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-178-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-180-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-182-0x0000000004E60000-0x0000000004E70000-memory.dmp family_redline behavioral1/memory/3584-184-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-186-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-188-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-190-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-192-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-194-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-196-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-198-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-200-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-202-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-204-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-206-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-208-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-210-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-212-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-214-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-216-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-218-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline behavioral1/memory/3584-220-0x0000000004D20000-0x0000000004D5E000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
Processes:
unio1485.exepro8887.exequ6492.exesi913708.exepid process 2660 unio1485.exe 2664 pro8887.exe 3584 qu6492.exe 3376 si913708.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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Processes:
pro8887.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" pro8887.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 4 IoCs
Processes:
unio1485.exea3e6817faa82106cfd5f950e69f8216f8d0519cfbbabee9817b9f13f2be9dc25.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce unio1485.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\\\"" unio1485.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce a3e6817faa82106cfd5f950e69f8216f8d0519cfbbabee9817b9f13f2be9dc25.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\\\"" a3e6817faa82106cfd5f950e69f8216f8d0519cfbbabee9817b9f13f2be9dc25.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
Processes:
WerFault.exepid pid_target process target process 4372 3584 WerFault.exe qu6492.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
pro8887.exequ6492.exesi913708.exepid process 2664 pro8887.exe 2664 pro8887.exe 3584 qu6492.exe 3584 qu6492.exe 3376 si913708.exe 3376 si913708.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
pro8887.exequ6492.exesi913708.exedescription pid process Token: SeDebugPrivilege 2664 pro8887.exe Token: SeDebugPrivilege 3584 qu6492.exe Token: SeDebugPrivilege 3376 si913708.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
a3e6817faa82106cfd5f950e69f8216f8d0519cfbbabee9817b9f13f2be9dc25.exeunio1485.exedescription pid process target process PID 1932 wrote to memory of 2660 1932 a3e6817faa82106cfd5f950e69f8216f8d0519cfbbabee9817b9f13f2be9dc25.exe unio1485.exe PID 1932 wrote to memory of 2660 1932 a3e6817faa82106cfd5f950e69f8216f8d0519cfbbabee9817b9f13f2be9dc25.exe unio1485.exe PID 1932 wrote to memory of 2660 1932 a3e6817faa82106cfd5f950e69f8216f8d0519cfbbabee9817b9f13f2be9dc25.exe unio1485.exe PID 2660 wrote to memory of 2664 2660 unio1485.exe pro8887.exe PID 2660 wrote to memory of 2664 2660 unio1485.exe pro8887.exe PID 2660 wrote to memory of 3584 2660 unio1485.exe qu6492.exe PID 2660 wrote to memory of 3584 2660 unio1485.exe qu6492.exe PID 2660 wrote to memory of 3584 2660 unio1485.exe qu6492.exe PID 1932 wrote to memory of 3376 1932 a3e6817faa82106cfd5f950e69f8216f8d0519cfbbabee9817b9f13f2be9dc25.exe si913708.exe PID 1932 wrote to memory of 3376 1932 a3e6817faa82106cfd5f950e69f8216f8d0519cfbbabee9817b9f13f2be9dc25.exe si913708.exe PID 1932 wrote to memory of 3376 1932 a3e6817faa82106cfd5f950e69f8216f8d0519cfbbabee9817b9f13f2be9dc25.exe si913708.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a3e6817faa82106cfd5f950e69f8216f8d0519cfbbabee9817b9f13f2be9dc25.exe"C:\Users\Admin\AppData\Local\Temp\a3e6817faa82106cfd5f950e69f8216f8d0519cfbbabee9817b9f13f2be9dc25.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio1485.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio1485.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2660 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro8887.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro8887.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2664
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu6492.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu6492.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3584 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3584 -s 13324⤵
- Program crash
PID:4372
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si913708.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si913708.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3376
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3584 -ip 35841⤵PID:4400
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
402KB
MD587ebc365b2d6569adf10735c6c6d883c
SHA11f4e95f0714577fb140a43dc75b137f0651fbd44
SHA256c04cda11990a2dd215ae7cb7c651f2b42f07c07c908aec27766569828e776820
SHA512775246dfdd9c263e6b59f5625b9f08f0808fcd2feaa112a623f1da07e6e5a4b739b28a9833a80c49c97a98b66b78838a41486ee6722d2f7755331c4ace4b7d3e
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Filesize
402KB
MD587ebc365b2d6569adf10735c6c6d883c
SHA11f4e95f0714577fb140a43dc75b137f0651fbd44
SHA256c04cda11990a2dd215ae7cb7c651f2b42f07c07c908aec27766569828e776820
SHA512775246dfdd9c263e6b59f5625b9f08f0808fcd2feaa112a623f1da07e6e5a4b739b28a9833a80c49c97a98b66b78838a41486ee6722d2f7755331c4ace4b7d3e
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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
349KB
MD53e06517433d4c475976a12ca48357c78
SHA1dbd7bfc5f65c5f95e79ecf79225377b3a0a853b8
SHA256f2eb1c5f45056f95357045a3fe6cd3a5abc9c9bb4d1e9440c9079e3b494d151d
SHA5120da73188c183adec57b8d40641e8d3de54f5169ee7ed1590c20f81522efd829c70832a40161726e4d5ba59437f81d473fe014f0e574ed2f3441fb31e48a1da55
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Filesize
349KB
MD53e06517433d4c475976a12ca48357c78
SHA1dbd7bfc5f65c5f95e79ecf79225377b3a0a853b8
SHA256f2eb1c5f45056f95357045a3fe6cd3a5abc9c9bb4d1e9440c9079e3b494d151d
SHA5120da73188c183adec57b8d40641e8d3de54f5169ee7ed1590c20f81522efd829c70832a40161726e4d5ba59437f81d473fe014f0e574ed2f3441fb31e48a1da55