Analysis
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max time kernel
142s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
24-03-2023 00:01
Static task
static1
Behavioral task
behavioral1
Sample
b63b1653f45318376ee4c126b9cd9f94285bd95c60c3a0e2473177f0d4965343.exe
Resource
win10v2004-20230221-en
General
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Target
b63b1653f45318376ee4c126b9cd9f94285bd95c60c3a0e2473177f0d4965343.exe
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Size
546KB
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MD5
540bdcf32e02c4e19fa778e9a0786919
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SHA1
a563f8beeb3ca46654befed5db7dfc1ab79bee01
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SHA256
b63b1653f45318376ee4c126b9cd9f94285bd95c60c3a0e2473177f0d4965343
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SHA512
aab3be643cac4b1c74cc715fc6a70765b1f4210be2eb77556522a828f54aec1477b9086a021218b0655f94e7a693b3ece2cf03f661162ce81e9602cfe7f023fb
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SSDEEP
12288:BMr4y909WQerZ3Aa2QxUzxXBi1ZhbTwnv85O3OO:hy2N6t+8UzxXBi1Pknv803OO
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:
pro5610.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection pro5610.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro5610.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro5610.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro5610.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro5610.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro5610.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 33 IoCs
Processes:
resource yara_rule behavioral1/memory/3212-154-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-155-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-157-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-159-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-162-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-166-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-169-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-171-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-173-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-175-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-177-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-179-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-181-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-183-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-185-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-187-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-189-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-191-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-193-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-195-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-197-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-199-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-201-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-203-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-205-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-207-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-209-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-211-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-213-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-215-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-217-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-219-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline behavioral1/memory/3212-221-0x0000000004E10000-0x0000000004E4E000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
Processes:
unio5359.exepro5610.exequ6797.exesi370375.exepid process 2504 unio5359.exe 1840 pro5610.exe 3212 qu6797.exe 2836 si370375.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:
pro5610.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" pro5610.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:
unio5359.exeb63b1653f45318376ee4c126b9cd9f94285bd95c60c3a0e2473177f0d4965343.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce unio5359.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\\\"" unio5359.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce b63b1653f45318376ee4c126b9cd9f94285bd95c60c3a0e2473177f0d4965343.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\\\"" b63b1653f45318376ee4c126b9cd9f94285bd95c60c3a0e2473177f0d4965343.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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Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 696 sc.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4100 3212 WerFault.exe qu6797.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
pro5610.exequ6797.exesi370375.exepid process 1840 pro5610.exe 1840 pro5610.exe 3212 qu6797.exe 3212 qu6797.exe 2836 si370375.exe 2836 si370375.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
pro5610.exequ6797.exesi370375.exedescription pid process Token: SeDebugPrivilege 1840 pro5610.exe Token: SeDebugPrivilege 3212 qu6797.exe Token: SeDebugPrivilege 2836 si370375.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
b63b1653f45318376ee4c126b9cd9f94285bd95c60c3a0e2473177f0d4965343.exeunio5359.exedescription pid process target process PID 4592 wrote to memory of 2504 4592 b63b1653f45318376ee4c126b9cd9f94285bd95c60c3a0e2473177f0d4965343.exe unio5359.exe PID 4592 wrote to memory of 2504 4592 b63b1653f45318376ee4c126b9cd9f94285bd95c60c3a0e2473177f0d4965343.exe unio5359.exe PID 4592 wrote to memory of 2504 4592 b63b1653f45318376ee4c126b9cd9f94285bd95c60c3a0e2473177f0d4965343.exe unio5359.exe PID 2504 wrote to memory of 1840 2504 unio5359.exe pro5610.exe PID 2504 wrote to memory of 1840 2504 unio5359.exe pro5610.exe PID 2504 wrote to memory of 3212 2504 unio5359.exe qu6797.exe PID 2504 wrote to memory of 3212 2504 unio5359.exe qu6797.exe PID 2504 wrote to memory of 3212 2504 unio5359.exe qu6797.exe PID 4592 wrote to memory of 2836 4592 b63b1653f45318376ee4c126b9cd9f94285bd95c60c3a0e2473177f0d4965343.exe si370375.exe PID 4592 wrote to memory of 2836 4592 b63b1653f45318376ee4c126b9cd9f94285bd95c60c3a0e2473177f0d4965343.exe si370375.exe PID 4592 wrote to memory of 2836 4592 b63b1653f45318376ee4c126b9cd9f94285bd95c60c3a0e2473177f0d4965343.exe si370375.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b63b1653f45318376ee4c126b9cd9f94285bd95c60c3a0e2473177f0d4965343.exe"C:\Users\Admin\AppData\Local\Temp\b63b1653f45318376ee4c126b9cd9f94285bd95c60c3a0e2473177f0d4965343.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4592 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio5359.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio5359.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5610.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5610.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1840
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu6797.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu6797.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3212 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3212 -s 20284⤵
- Program crash
PID:4100
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si370375.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si370375.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2836
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3212 -ip 32121⤵PID:4696
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start wuauserv1⤵
- Launches sc.exe
PID:696
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
404KB
MD573650973e6af1270b58c0961a1253cea
SHA121ccfdbe586a310999c3adb431511a064327bdc7
SHA256370e1e56c512258e563513176501454dfab55cb772c8b5ff39c14b63e00e5869
SHA5125c531dd65a587bfdab94d14ed1bafe28ba5edf660a33fe54017b6d77f62bfe0562f9d51cfcc3634287347f92295208c990df99f9e368b6aa1827d4f3ab035a7c
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Filesize
404KB
MD573650973e6af1270b58c0961a1253cea
SHA121ccfdbe586a310999c3adb431511a064327bdc7
SHA256370e1e56c512258e563513176501454dfab55cb772c8b5ff39c14b63e00e5869
SHA5125c531dd65a587bfdab94d14ed1bafe28ba5edf660a33fe54017b6d77f62bfe0562f9d51cfcc3634287347f92295208c990df99f9e368b6aa1827d4f3ab035a7c
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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
358KB
MD58d076a2c76f6836fae1388df28cc506c
SHA17d77584b5ca65cab4b18faa08952c32dd0d31415
SHA25687a8024ec7953a58ec4456068d96af0369aa346d78b75941747bb3465bc62dc3
SHA51272bed09556231af59fa79b5b37b4d5e37fc057e5d8055132ca89f942fde56aa37fba08c90584859d5adbdc8fcd6de9f1bf1a333a5f1955b08d1c09d1313499f1
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Filesize
358KB
MD58d076a2c76f6836fae1388df28cc506c
SHA17d77584b5ca65cab4b18faa08952c32dd0d31415
SHA25687a8024ec7953a58ec4456068d96af0369aa346d78b75941747bb3465bc62dc3
SHA51272bed09556231af59fa79b5b37b4d5e37fc057e5d8055132ca89f942fde56aa37fba08c90584859d5adbdc8fcd6de9f1bf1a333a5f1955b08d1c09d1313499f1