Analysis
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max time kernel
80s -
max time network
153s -
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, 22:54
Static task
static1
Behavioral task
behavioral1
Sample
f1f8a1360cad117cc153c6ed65e2ba234ba09687a9769557be6cf6a9e5f53139.exe
Resource
win10v2004-20230220-en
General
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Target
f1f8a1360cad117cc153c6ed65e2ba234ba09687a9769557be6cf6a9e5f53139.exe
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Size
544KB
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MD5
1c4943e9090725fccc60c89c9744fcee
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SHA1
590b70da177bb93fa645d7310bdd9a5c4d4741d2
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SHA256
f1f8a1360cad117cc153c6ed65e2ba234ba09687a9769557be6cf6a9e5f53139
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SHA512
a5e73ea0091b2aecd14f6e2cfc63356ba2ed577d8fb83d6f09db52e16e0e5ab9be01010c38a7c84e1e6b0808fb692cdf416bcd890c9bae90daa44a30e36bb31c
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SSDEEP
12288:8Mrsy90oyuUpu6NLemG3mVfFXeHvmzqgUZMLDwXVtGTN:wy1yuUptG2VdXQ+xoMXut4
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\DisableIOAVProtection = "1" pro1273.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro1273.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro1273.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro1273.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection pro1273.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro1273.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 34 IoCs
resource yara_rule behavioral1/memory/3208-154-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-155-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-157-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-159-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-161-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-164-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-167-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-169-0x0000000004E70000-0x0000000004E80000-memory.dmp family_redline behavioral1/memory/3208-171-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-173-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-175-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-177-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-179-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-181-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-183-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-185-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-187-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-191-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-189-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-193-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-195-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-197-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-199-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-201-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-203-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-205-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-207-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-209-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-211-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-213-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-215-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-217-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-219-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline behavioral1/memory/3208-221-0x0000000002870000-0x00000000028AE000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 1072 unio2522.exe 928 pro1273.exe 3208 qu0272.exe 4120 si462831.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" pro1273.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 f1f8a1360cad117cc153c6ed65e2ba234ba09687a9769557be6cf6a9e5f53139.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\\\"" f1f8a1360cad117cc153c6ed65e2ba234ba09687a9769557be6cf6a9e5f53139.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce unio2522.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\\\"" unio2522.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 4988 3208 WerFault.exe 95 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 928 pro1273.exe 928 pro1273.exe 3208 qu0272.exe 3208 qu0272.exe 4120 si462831.exe 4120 si462831.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 928 pro1273.exe Token: SeDebugPrivilege 3208 qu0272.exe Token: SeDebugPrivilege 4120 si462831.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 960 wrote to memory of 1072 960 f1f8a1360cad117cc153c6ed65e2ba234ba09687a9769557be6cf6a9e5f53139.exe 85 PID 960 wrote to memory of 1072 960 f1f8a1360cad117cc153c6ed65e2ba234ba09687a9769557be6cf6a9e5f53139.exe 85 PID 960 wrote to memory of 1072 960 f1f8a1360cad117cc153c6ed65e2ba234ba09687a9769557be6cf6a9e5f53139.exe 85 PID 1072 wrote to memory of 928 1072 unio2522.exe 86 PID 1072 wrote to memory of 928 1072 unio2522.exe 86 PID 1072 wrote to memory of 3208 1072 unio2522.exe 95 PID 1072 wrote to memory of 3208 1072 unio2522.exe 95 PID 1072 wrote to memory of 3208 1072 unio2522.exe 95 PID 960 wrote to memory of 4120 960 f1f8a1360cad117cc153c6ed65e2ba234ba09687a9769557be6cf6a9e5f53139.exe 98 PID 960 wrote to memory of 4120 960 f1f8a1360cad117cc153c6ed65e2ba234ba09687a9769557be6cf6a9e5f53139.exe 98 PID 960 wrote to memory of 4120 960 f1f8a1360cad117cc153c6ed65e2ba234ba09687a9769557be6cf6a9e5f53139.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\f1f8a1360cad117cc153c6ed65e2ba234ba09687a9769557be6cf6a9e5f53139.exe"C:\Users\Admin\AppData\Local\Temp\f1f8a1360cad117cc153c6ed65e2ba234ba09687a9769557be6cf6a9e5f53139.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:960 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio2522.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio2522.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1072 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1273.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1273.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:928
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu0272.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu0272.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3208 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 11404⤵
- Program crash
PID:4988
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si462831.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si462831.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4120
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3208 -ip 32081⤵PID:3240
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
MD523baea68fdecb1e2f27c4c7e85f5e121
SHA1223548fc81d9ba635395f7fac3e2bae568328a8e
SHA25688e68feca2f881fde621f8d95168e5dc0eb4e6bac524c275aa074a3806a9925a
SHA5124d7b45f3b5fa115582203d12b7b289b61b3eb672b712487c9d3936cbe6f5b12500487de8c908eefd101d80cff6638bced830faadba21f2ba3556f0f1b8e51676
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Filesize
402KB
MD523baea68fdecb1e2f27c4c7e85f5e121
SHA1223548fc81d9ba635395f7fac3e2bae568328a8e
SHA25688e68feca2f881fde621f8d95168e5dc0eb4e6bac524c275aa074a3806a9925a
SHA5124d7b45f3b5fa115582203d12b7b289b61b3eb672b712487c9d3936cbe6f5b12500487de8c908eefd101d80cff6638bced830faadba21f2ba3556f0f1b8e51676
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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
MD5b7c08a0523d9c3f38b86a6329ffe5b88
SHA10e3ddc6dfbb0424d7322e6f6ebd36216f68dbbaa
SHA2567bd5b8bede799c30b024dbe6c005ed01f4c6b881cb9bb1395a9a86990ac4d0c3
SHA512b36f9ee29c1d0c4e159304f3de256c78c94c7471d598e32c5b92852129f2fc0a31f5c3f40b1e9c95e631f1fb3871eb5887771a9ad1491ad42fd15a63e8bbb038
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Filesize
349KB
MD5b7c08a0523d9c3f38b86a6329ffe5b88
SHA10e3ddc6dfbb0424d7322e6f6ebd36216f68dbbaa
SHA2567bd5b8bede799c30b024dbe6c005ed01f4c6b881cb9bb1395a9a86990ac4d0c3
SHA512b36f9ee29c1d0c4e159304f3de256c78c94c7471d598e32c5b92852129f2fc0a31f5c3f40b1e9c95e631f1fb3871eb5887771a9ad1491ad42fd15a63e8bbb038