Analysis
-
max time kernel
128s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
02/03/2023, 16:17
Static task
static1
Behavioral task
behavioral1
Sample
a880745d5931f1bbc87ed86767f378d6092f755104a43a126ab667f8422c627d.exe
Resource
win10v2004-20230221-en
General
-
Target
a880745d5931f1bbc87ed86767f378d6092f755104a43a126ab667f8422c627d.exe
-
Size
551KB
-
MD5
be6d2384f1aea6f9e95ff5bf69ced0c7
-
SHA1
f46c8f76b9e6ab40d1557a57313a59c2f72c987d
-
SHA256
a880745d5931f1bbc87ed86767f378d6092f755104a43a126ab667f8422c627d
-
SHA512
554ae6402e7d588f15d20f6931d343b3fde14b1e0abe24be0c6c16952d84623aa0be85313aaca246116d0c5609c741731f7bac96af0f92f1bd5b98e53f049ba8
-
SSDEEP
12288:gMrHy90xErPDDaw1Ful5cvmRRfyjU5DvS8GGYL4SY6xB:3yrrPaw1kb5Pa8bYpxB
Malware Config
Extracted
redline
stek
melevv.eu:4162
-
auth_value
4205381daf6946b2df5fe3bc7eacc918
Extracted
redline
fomich
melevv.eu:4162
-
auth_value
b018e52ac946001794d8b8c23e901859
Signatures
-
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" sw88FI45WI41.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" sw88FI45WI41.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection sw88FI45WI41.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" sw88FI45WI41.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" sw88FI45WI41.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" sw88FI45WI41.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
-
RedLine payload 34 IoCs
resource yara_rule behavioral1/memory/3684-155-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-156-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-158-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-160-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-162-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-164-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-166-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-170-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-173-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-175-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-177-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-181-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-183-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-179-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-185-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-187-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-189-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-191-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-193-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-195-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-197-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-199-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-201-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-203-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-205-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-207-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-209-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-211-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-213-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-215-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-217-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-219-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-221-0x0000000007170000-0x00000000071AE000-memory.dmp family_redline behavioral1/memory/3684-1074-0x00000000072A0000-0x00000000072B0000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 2056 vEZ2337rr.exe 1668 sw88FI45WI41.exe 3684 tZT67lj94.exe 216 uZx95zi12.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" sw88FI45WI41.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process 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\\\"" a880745d5931f1bbc87ed86767f378d6092f755104a43a126ab667f8422c627d.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce vEZ2337rr.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\\\"" vEZ2337rr.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce a880745d5931f1bbc87ed86767f378d6092f755104a43a126ab667f8422c627d.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 5080 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 448 3684 WerFault.exe 91 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1668 sw88FI45WI41.exe 1668 sw88FI45WI41.exe 3684 tZT67lj94.exe 3684 tZT67lj94.exe 216 uZx95zi12.exe 216 uZx95zi12.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1668 sw88FI45WI41.exe Token: SeDebugPrivilege 3684 tZT67lj94.exe Token: SeDebugPrivilege 216 uZx95zi12.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 452 wrote to memory of 2056 452 a880745d5931f1bbc87ed86767f378d6092f755104a43a126ab667f8422c627d.exe 86 PID 452 wrote to memory of 2056 452 a880745d5931f1bbc87ed86767f378d6092f755104a43a126ab667f8422c627d.exe 86 PID 452 wrote to memory of 2056 452 a880745d5931f1bbc87ed86767f378d6092f755104a43a126ab667f8422c627d.exe 86 PID 2056 wrote to memory of 1668 2056 vEZ2337rr.exe 87 PID 2056 wrote to memory of 1668 2056 vEZ2337rr.exe 87 PID 2056 wrote to memory of 3684 2056 vEZ2337rr.exe 91 PID 2056 wrote to memory of 3684 2056 vEZ2337rr.exe 91 PID 2056 wrote to memory of 3684 2056 vEZ2337rr.exe 91 PID 452 wrote to memory of 216 452 a880745d5931f1bbc87ed86767f378d6092f755104a43a126ab667f8422c627d.exe 95 PID 452 wrote to memory of 216 452 a880745d5931f1bbc87ed86767f378d6092f755104a43a126ab667f8422c627d.exe 95 PID 452 wrote to memory of 216 452 a880745d5931f1bbc87ed86767f378d6092f755104a43a126ab667f8422c627d.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\a880745d5931f1bbc87ed86767f378d6092f755104a43a126ab667f8422c627d.exe"C:\Users\Admin\AppData\Local\Temp\a880745d5931f1bbc87ed86767f378d6092f755104a43a126ab667f8422c627d.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:452 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vEZ2337rr.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vEZ2337rr.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2056 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw88FI45WI41.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw88FI45WI41.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1668
-
-
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tZT67lj94.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tZT67lj94.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3684 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3684 -s 12724⤵
- Program crash
PID:448
-
-
-
-
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\uZx95zi12.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\uZx95zi12.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:216
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3684 -ip 36841⤵PID:1196
-
C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start wuauserv1⤵
- Launches sc.exe
PID:5080
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
175KB
MD508b8b0d74cdaedc59e79d8240fa8266c
SHA10ad06ee441a0a7baebb2e0abdf7b5e2eb54860b3
SHA2563d7245c5a26ae28bc22b4d7b3644708fb394547e7f5bd254f1bc5b964dedfed4
SHA512555790686ea266b9e7767adee6aff7923e25684ad924e8d7474d95a989376d4faf8e4539070eb0785a673e86d285708e0186fa79e5a67f73e01f2d24fb478658
-
Filesize
175KB
MD508b8b0d74cdaedc59e79d8240fa8266c
SHA10ad06ee441a0a7baebb2e0abdf7b5e2eb54860b3
SHA2563d7245c5a26ae28bc22b4d7b3644708fb394547e7f5bd254f1bc5b964dedfed4
SHA512555790686ea266b9e7767adee6aff7923e25684ad924e8d7474d95a989376d4faf8e4539070eb0785a673e86d285708e0186fa79e5a67f73e01f2d24fb478658
-
Filesize
406KB
MD50f3f5f04f09dcd6befda8ad9a7ccd346
SHA185935bd6a8ba5538745d738e5e2f2b25e82a6b5f
SHA25695dbab87193f4666755241b498489b1829cc6e86c57b9c89ad607afbe348ae1d
SHA512d191ec8606c629ee78985e7fda1357a760500a3ac8002e4e890591296764feb3b57f3e1873fe84a86ada0d6cd1c467b1699c79e07cbac10332c020b7e24e53ed
-
Filesize
406KB
MD50f3f5f04f09dcd6befda8ad9a7ccd346
SHA185935bd6a8ba5538745d738e5e2f2b25e82a6b5f
SHA25695dbab87193f4666755241b498489b1829cc6e86c57b9c89ad607afbe348ae1d
SHA512d191ec8606c629ee78985e7fda1357a760500a3ac8002e4e890591296764feb3b57f3e1873fe84a86ada0d6cd1c467b1699c79e07cbac10332c020b7e24e53ed
-
Filesize
17KB
MD51a4a58eebc3fee244ea6e0409b9249cb
SHA138e27746b02fe577a1fa63b2b11a13803516ea58
SHA256325cfe1aa732a0571625ffe4c8793b0bb9fd02cd290a9ba3c8642a1dc72daa1d
SHA512c9e221db4fdb870891486eae82b611920e7bf8a4cad481db17417ad18c66803ab874964061461e67face518ffa55141f1b42c77569e6f552f0724dade68b1ceb
-
Filesize
17KB
MD51a4a58eebc3fee244ea6e0409b9249cb
SHA138e27746b02fe577a1fa63b2b11a13803516ea58
SHA256325cfe1aa732a0571625ffe4c8793b0bb9fd02cd290a9ba3c8642a1dc72daa1d
SHA512c9e221db4fdb870891486eae82b611920e7bf8a4cad481db17417ad18c66803ab874964061461e67face518ffa55141f1b42c77569e6f552f0724dade68b1ceb
-
Filesize
387KB
MD5066b5456cc754c4c01232eb5f6528b57
SHA1a530c7bbf3cda6f6edf3d5b210a43630d3828f40
SHA256b428258fc52be23096aa6c4e68251e60514dedcd2ee8a4cdca2f60d3f55a1630
SHA51209ac6e0aa74919ee2321b79f267cf14baf3a8cb2bf3e589ae3b764af1e7ce495bea67c9ebcfcbb92ac4b4c3d8557052a1c979066138f0c4439a8c4d5e38878d5
-
Filesize
387KB
MD5066b5456cc754c4c01232eb5f6528b57
SHA1a530c7bbf3cda6f6edf3d5b210a43630d3828f40
SHA256b428258fc52be23096aa6c4e68251e60514dedcd2ee8a4cdca2f60d3f55a1630
SHA51209ac6e0aa74919ee2321b79f267cf14baf3a8cb2bf3e589ae3b764af1e7ce495bea67c9ebcfcbb92ac4b4c3d8557052a1c979066138f0c4439a8c4d5e38878d5