Analysis
-
max time kernel
51s -
max time network
63s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
07/03/2023, 23:38
Static task
static1
Behavioral task
behavioral1
Sample
a9a7ee33d817ad7e8689694b0f52611f464d4b41151950d12def9d08dc32c1e6.exe
Resource
win10-20230220-en
General
-
Target
a9a7ee33d817ad7e8689694b0f52611f464d4b41151950d12def9d08dc32c1e6.exe
-
Size
559KB
-
MD5
bb91af4ca87bdd0fcf17d5f94c42ff82
-
SHA1
28ddb23850724d832e7ef9a0701c35798c41043f
-
SHA256
a9a7ee33d817ad7e8689694b0f52611f464d4b41151950d12def9d08dc32c1e6
-
SHA512
afb01f8d806e47adc365e490d300e0a79fdb9728c1042465034d9543865bd85ecade8c74c6011210a9e4457ff2e6aedeebf7494c106a749dbf49b54c3af4c14d
-
SSDEEP
12288:EMr4y909xWijXN0FwAF9nOIX/2zNM/dRxV7u5LU:cyYs53OIvk+dh7ui
Malware Config
Extracted
redline
fud
193.233.20.27:4123
-
auth_value
cddc991efd6918ad5321d80dac884b40
Extracted
redline
misha
193.56.146.11:4173
-
auth_value
e17e441c954db214b94a603a7b0b1aea
Signatures
-
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" s5505tY.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" s5505tY.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" s5505tY.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" s5505tY.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" s5505tY.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
-
RedLine payload 36 IoCs
resource yara_rule behavioral1/memory/3972-141-0x00000000021C0000-0x0000000002206000-memory.dmp family_redline behavioral1/memory/3972-143-0x0000000002360000-0x00000000023A4000-memory.dmp family_redline behavioral1/memory/3972-144-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-145-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-147-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-149-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-154-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-157-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-159-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-161-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-163-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-165-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-167-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-169-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-171-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-173-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-175-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-177-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-179-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-181-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-189-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-187-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-185-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-183-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-191-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-193-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-195-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-197-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-199-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-203-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-201-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-205-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-209-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-207-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-211-0x0000000002360000-0x000000000239E000-memory.dmp family_redline behavioral1/memory/3972-1067-0x0000000004BC0000-0x0000000004BD0000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 3488 vkDt1706mk.exe 2692 s5505tY.exe 3972 t87FG95.exe 960 ucJZQ85.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" s5505tY.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\\\"" a9a7ee33d817ad7e8689694b0f52611f464d4b41151950d12def9d08dc32c1e6.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce vkDt1706mk.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\\\"" vkDt1706mk.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce a9a7ee33d817ad7e8689694b0f52611f464d4b41151950d12def9d08dc32c1e6.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2692 s5505tY.exe 2692 s5505tY.exe 3972 t87FG95.exe 3972 t87FG95.exe 960 ucJZQ85.exe 960 ucJZQ85.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2692 s5505tY.exe Token: SeDebugPrivilege 3972 t87FG95.exe Token: SeDebugPrivilege 960 ucJZQ85.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1808 wrote to memory of 3488 1808 a9a7ee33d817ad7e8689694b0f52611f464d4b41151950d12def9d08dc32c1e6.exe 66 PID 1808 wrote to memory of 3488 1808 a9a7ee33d817ad7e8689694b0f52611f464d4b41151950d12def9d08dc32c1e6.exe 66 PID 1808 wrote to memory of 3488 1808 a9a7ee33d817ad7e8689694b0f52611f464d4b41151950d12def9d08dc32c1e6.exe 66 PID 3488 wrote to memory of 2692 3488 vkDt1706mk.exe 67 PID 3488 wrote to memory of 2692 3488 vkDt1706mk.exe 67 PID 3488 wrote to memory of 3972 3488 vkDt1706mk.exe 68 PID 3488 wrote to memory of 3972 3488 vkDt1706mk.exe 68 PID 3488 wrote to memory of 3972 3488 vkDt1706mk.exe 68 PID 1808 wrote to memory of 960 1808 a9a7ee33d817ad7e8689694b0f52611f464d4b41151950d12def9d08dc32c1e6.exe 70 PID 1808 wrote to memory of 960 1808 a9a7ee33d817ad7e8689694b0f52611f464d4b41151950d12def9d08dc32c1e6.exe 70 PID 1808 wrote to memory of 960 1808 a9a7ee33d817ad7e8689694b0f52611f464d4b41151950d12def9d08dc32c1e6.exe 70
Processes
-
C:\Users\Admin\AppData\Local\Temp\a9a7ee33d817ad7e8689694b0f52611f464d4b41151950d12def9d08dc32c1e6.exe"C:\Users\Admin\AppData\Local\Temp\a9a7ee33d817ad7e8689694b0f52611f464d4b41151950d12def9d08dc32c1e6.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1808 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vkDt1706mk.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vkDt1706mk.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3488 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\s5505tY.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\s5505tY.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2692
-
-
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\t87FG95.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\t87FG95.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3972
-
-
-
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ucJZQ85.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ucJZQ85.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:960
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
175KB
MD5fb6b1dfc1d31819df66b4eba004f4f1e
SHA18fb4085acc6bdac0c653130d20ccf87dc0a4bc16
SHA2564a8cf958110e605398244c588878680f5f367bf064573a69fded3f4ca70c7549
SHA512270f0208fac6330d413709de2f1aa348f20e434bb70b886a96e7db87f74607c9dcbee92b458ea375ca9d22a89af46b31655b84d6f26fac3d12e63f8242d41f3a
-
Filesize
175KB
MD5fb6b1dfc1d31819df66b4eba004f4f1e
SHA18fb4085acc6bdac0c653130d20ccf87dc0a4bc16
SHA2564a8cf958110e605398244c588878680f5f367bf064573a69fded3f4ca70c7549
SHA512270f0208fac6330d413709de2f1aa348f20e434bb70b886a96e7db87f74607c9dcbee92b458ea375ca9d22a89af46b31655b84d6f26fac3d12e63f8242d41f3a
-
Filesize
414KB
MD56ac0626f03f2adb4786f9803b0a71d1c
SHA184c453f0b3bd183caa95942b41190b10cec96433
SHA25634488fc584637e95c694669b6283a0c12d964a9b9cb6d3004f8e14fb93a1febc
SHA512343f586236bbb2713ba0c7c46a65605a52f4f0436c9b61e2a873d2fb22356df0de851ee77f21e05c105b695455e3a71f3b12133d3228ee96b980f023d309be1b
-
Filesize
414KB
MD56ac0626f03f2adb4786f9803b0a71d1c
SHA184c453f0b3bd183caa95942b41190b10cec96433
SHA25634488fc584637e95c694669b6283a0c12d964a9b9cb6d3004f8e14fb93a1febc
SHA512343f586236bbb2713ba0c7c46a65605a52f4f0436c9b61e2a873d2fb22356df0de851ee77f21e05c105b695455e3a71f3b12133d3228ee96b980f023d309be1b
-
Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
-
Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
-
Filesize
392KB
MD5c043039d011fe79d35f7b0bca0e4b9ac
SHA1d9f8d058327a1e2232685832b9785c831b5465dd
SHA2569dee345f969dda3f5c2ba41b9852030043a3c0e03ccea25983c18170a9a1b51c
SHA512032401a08b4f2baf654c0c84d69b9c24821d6497c51f32816920606c458f603188cb3cd0400ce8814d937523765b0e6483a519abb44433bb4af1d6b391839365
-
Filesize
392KB
MD5c043039d011fe79d35f7b0bca0e4b9ac
SHA1d9f8d058327a1e2232685832b9785c831b5465dd
SHA2569dee345f969dda3f5c2ba41b9852030043a3c0e03ccea25983c18170a9a1b51c
SHA512032401a08b4f2baf654c0c84d69b9c24821d6497c51f32816920606c458f603188cb3cd0400ce8814d937523765b0e6483a519abb44433bb4af1d6b391839365