Analysis
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max time kernel
143s -
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
05-05-2023 20:39
Static task
static1
Behavioral task
behavioral1
Sample
feabe03167cf23b6bb05f666c25a3b8cd5166003e6167dadc604daebf6409116.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
feabe03167cf23b6bb05f666c25a3b8cd5166003e6167dadc604daebf6409116.exe
Resource
win10v2004-20230220-en
General
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Target
feabe03167cf23b6bb05f666c25a3b8cd5166003e6167dadc604daebf6409116.exe
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Size
746KB
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MD5
71283fd4eead3877c1ade1011c69e855
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SHA1
e95f5240ecca5681b75e7145f2177956a2138f5b
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SHA256
feabe03167cf23b6bb05f666c25a3b8cd5166003e6167dadc604daebf6409116
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SHA512
1ef6966fa5d1692d6c9c8030fcbc3234e9d58e1033a294809a6e5097dd8390a3e51e93aa1442bcb464f1d85c4b6918c1ade3f60bba207da2c2d50420406a3ace
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SSDEEP
12288:iy90do7VNMmdJQMDqHKrq+EUIcSOsy7OSmOfSLbG4wWGVAFAIHWdYbC:iye+izHKr5EAsSfSbGZWuI2dCC
Malware Config
Signatures
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Detects Redline Stealer samples 1 IoCs
This rule detects the presence of Redline Stealer samples based on their unique strings.
resource yara_rule behavioral2/memory/804-987-0x0000000007980000-0x0000000007F98000-memory.dmp redline_stealer -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" 28789376.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection 28789376.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" 28789376.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" 28789376.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" 28789376.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" 28789376.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Executes dropped EXE 3 IoCs
pid Process 2152 un828230.exe 1276 28789376.exe 804 rk930677.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features 28789376.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" 28789376.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce feabe03167cf23b6bb05f666c25a3b8cd5166003e6167dadc604daebf6409116.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\\\"" feabe03167cf23b6bb05f666c25a3b8cd5166003e6167dadc604daebf6409116.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un828230.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\\\"" un828230.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1276 28789376.exe 1276 28789376.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1276 28789376.exe Token: SeDebugPrivilege 804 rk930677.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1804 wrote to memory of 2152 1804 feabe03167cf23b6bb05f666c25a3b8cd5166003e6167dadc604daebf6409116.exe 84 PID 1804 wrote to memory of 2152 1804 feabe03167cf23b6bb05f666c25a3b8cd5166003e6167dadc604daebf6409116.exe 84 PID 1804 wrote to memory of 2152 1804 feabe03167cf23b6bb05f666c25a3b8cd5166003e6167dadc604daebf6409116.exe 84 PID 2152 wrote to memory of 1276 2152 un828230.exe 85 PID 2152 wrote to memory of 1276 2152 un828230.exe 85 PID 2152 wrote to memory of 1276 2152 un828230.exe 85 PID 2152 wrote to memory of 804 2152 un828230.exe 91 PID 2152 wrote to memory of 804 2152 un828230.exe 91 PID 2152 wrote to memory of 804 2152 un828230.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\feabe03167cf23b6bb05f666c25a3b8cd5166003e6167dadc604daebf6409116.exe"C:\Users\Admin\AppData\Local\Temp\feabe03167cf23b6bb05f666c25a3b8cd5166003e6167dadc604daebf6409116.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un828230.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un828230.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2152 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\28789376.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\28789376.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1276
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk930677.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk930677.exe3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:804
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
592KB
MD5a9ccde53addc3861980d93dc8499bb99
SHA106d5bb646ad9597e34ca4aaa2594342f9c05c470
SHA256af1ded6c2b44d049d8a8d5ca4244d59b437874b48f9b6d2f0ceedfdf738bdae6
SHA512f9378a5a1f0d51223009a42cd5c156fe01244dd649ae4bea1b467b8176252a874271dc03daf61c6d895cc37922a51d273615911dfcec46cd6f3082237ca561e7
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Filesize
592KB
MD5a9ccde53addc3861980d93dc8499bb99
SHA106d5bb646ad9597e34ca4aaa2594342f9c05c470
SHA256af1ded6c2b44d049d8a8d5ca4244d59b437874b48f9b6d2f0ceedfdf738bdae6
SHA512f9378a5a1f0d51223009a42cd5c156fe01244dd649ae4bea1b467b8176252a874271dc03daf61c6d895cc37922a51d273615911dfcec46cd6f3082237ca561e7
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Filesize
377KB
MD5a0c412fbf40d08c8c690f1a86e1ebb2c
SHA115af913de2f236db914b5bf69a33b33f44c14c88
SHA2563cfa430d7f5ec2d1130de1e370f31d1f71859ecb09b44d3fc740dbbd0c1b0f55
SHA5127d356ebeac7d69ac3bfcfb7c98d92f96152236c500be565e45b6d0f7fe97498c092245b801131aae61dc64d2d856c7edff6cca7a1a3ec82667167eaba0dd75a3
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Filesize
377KB
MD5a0c412fbf40d08c8c690f1a86e1ebb2c
SHA115af913de2f236db914b5bf69a33b33f44c14c88
SHA2563cfa430d7f5ec2d1130de1e370f31d1f71859ecb09b44d3fc740dbbd0c1b0f55
SHA5127d356ebeac7d69ac3bfcfb7c98d92f96152236c500be565e45b6d0f7fe97498c092245b801131aae61dc64d2d856c7edff6cca7a1a3ec82667167eaba0dd75a3
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Filesize
459KB
MD55bdb1e545b7c9450f7585d3ecd962ce3
SHA140f2cde5fc7491d75da5bd25ec81b96d1fec96f8
SHA256b9a7deace24f0ed520f0f54e3a603070e250b08a22df57532dbe40c676aebe80
SHA51232d25ed7eb45adec5acf8082ba92cc473b38b5ec675fd9f1e61738a803c83ed94d93a987b8f0f8af3c140e191a2f37686710a9b5b893117d53729eef048da551
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Filesize
459KB
MD55bdb1e545b7c9450f7585d3ecd962ce3
SHA140f2cde5fc7491d75da5bd25ec81b96d1fec96f8
SHA256b9a7deace24f0ed520f0f54e3a603070e250b08a22df57532dbe40c676aebe80
SHA51232d25ed7eb45adec5acf8082ba92cc473b38b5ec675fd9f1e61738a803c83ed94d93a987b8f0f8af3c140e191a2f37686710a9b5b893117d53729eef048da551