Analysis
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max time kernel
55s -
max time network
58s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
28-03-2023 04:08
Static task
static1
Behavioral task
behavioral1
Sample
b4a5ed0894b18515a82c88d215808045305b613d7748990f93f32f661e642158.exe
Resource
win10-20230220-en
General
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Target
b4a5ed0894b18515a82c88d215808045305b613d7748990f93f32f661e642158.exe
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Size
688KB
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MD5
71b1db5f68ed760b11fdafc4333c2ac0
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SHA1
32d3ac6d44c3fb38048f2bcebd10c09afb102c7e
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SHA256
b4a5ed0894b18515a82c88d215808045305b613d7748990f93f32f661e642158
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SHA512
d0ed022ca21bcec96c6d5d1a070182a93c078dedc430a8b7203465045700b22dbbe163f1b40ea991d7df0cfae8a80c05c4ac653603b8f160d66afebbd016f11c
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SSDEEP
12288:0Mr3y90TypNv9JZq25ya65hLuCgwWB3BH+FfzEmJQvVFZcfigOxNUNne:jyyC9JdwpfaCgwoB27EmJQnZcagrE
Malware Config
Extracted
redline
rosn
176.113.115.145:4125
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auth_value
050a19e1db4d0024b0f23b37dcf961f4
Extracted
redline
from
176.113.115.145:4125
-
auth_value
8633e283485822a4a48f0a41d5397566
Signatures
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Processes:
pro9809.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro9809.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro9809.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro9809.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro9809.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro9809.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 20 IoCs
Processes:
resource yara_rule behavioral1/memory/3912-177-0x0000000003770000-0x00000000037B6000-memory.dmp family_redline behavioral1/memory/3912-178-0x0000000003950000-0x0000000003994000-memory.dmp family_redline behavioral1/memory/3912-179-0x0000000003950000-0x000000000398F000-memory.dmp family_redline behavioral1/memory/3912-180-0x0000000003950000-0x000000000398F000-memory.dmp family_redline behavioral1/memory/3912-182-0x0000000003950000-0x000000000398F000-memory.dmp family_redline behavioral1/memory/3912-184-0x0000000003950000-0x000000000398F000-memory.dmp family_redline behavioral1/memory/3912-186-0x0000000003950000-0x000000000398F000-memory.dmp family_redline behavioral1/memory/3912-188-0x0000000003950000-0x000000000398F000-memory.dmp family_redline behavioral1/memory/3912-190-0x0000000003950000-0x000000000398F000-memory.dmp family_redline behavioral1/memory/3912-192-0x0000000003950000-0x000000000398F000-memory.dmp family_redline behavioral1/memory/3912-194-0x0000000003950000-0x000000000398F000-memory.dmp family_redline behavioral1/memory/3912-196-0x0000000003950000-0x000000000398F000-memory.dmp family_redline behavioral1/memory/3912-198-0x0000000003950000-0x000000000398F000-memory.dmp family_redline behavioral1/memory/3912-200-0x0000000003950000-0x000000000398F000-memory.dmp family_redline behavioral1/memory/3912-202-0x0000000003950000-0x000000000398F000-memory.dmp family_redline behavioral1/memory/3912-209-0x0000000003950000-0x000000000398F000-memory.dmp family_redline behavioral1/memory/3912-205-0x0000000003950000-0x000000000398F000-memory.dmp family_redline behavioral1/memory/3912-212-0x0000000003950000-0x000000000398F000-memory.dmp family_redline behavioral1/memory/3912-214-0x0000000003950000-0x000000000398F000-memory.dmp family_redline behavioral1/memory/3912-216-0x0000000003950000-0x000000000398F000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
Processes:
un545423.exepro9809.exequ4499.exesi949654.exepid process 4140 un545423.exe 3560 pro9809.exe 3912 qu4499.exe 1140 si949654.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:
pro9809.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features pro9809.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro9809.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:
b4a5ed0894b18515a82c88d215808045305b613d7748990f93f32f661e642158.exeun545423.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce b4a5ed0894b18515a82c88d215808045305b613d7748990f93f32f661e642158.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\\\"" b4a5ed0894b18515a82c88d215808045305b613d7748990f93f32f661e642158.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un545423.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\\\"" un545423.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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Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
pro9809.exequ4499.exesi949654.exepid process 3560 pro9809.exe 3560 pro9809.exe 3912 qu4499.exe 3912 qu4499.exe 1140 si949654.exe 1140 si949654.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
pro9809.exequ4499.exesi949654.exedescription pid process Token: SeDebugPrivilege 3560 pro9809.exe Token: SeDebugPrivilege 3912 qu4499.exe Token: SeDebugPrivilege 1140 si949654.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
b4a5ed0894b18515a82c88d215808045305b613d7748990f93f32f661e642158.exeun545423.exedescription pid process target process PID 4156 wrote to memory of 4140 4156 b4a5ed0894b18515a82c88d215808045305b613d7748990f93f32f661e642158.exe un545423.exe PID 4156 wrote to memory of 4140 4156 b4a5ed0894b18515a82c88d215808045305b613d7748990f93f32f661e642158.exe un545423.exe PID 4156 wrote to memory of 4140 4156 b4a5ed0894b18515a82c88d215808045305b613d7748990f93f32f661e642158.exe un545423.exe PID 4140 wrote to memory of 3560 4140 un545423.exe pro9809.exe PID 4140 wrote to memory of 3560 4140 un545423.exe pro9809.exe PID 4140 wrote to memory of 3560 4140 un545423.exe pro9809.exe PID 4140 wrote to memory of 3912 4140 un545423.exe qu4499.exe PID 4140 wrote to memory of 3912 4140 un545423.exe qu4499.exe PID 4140 wrote to memory of 3912 4140 un545423.exe qu4499.exe PID 4156 wrote to memory of 1140 4156 b4a5ed0894b18515a82c88d215808045305b613d7748990f93f32f661e642158.exe si949654.exe PID 4156 wrote to memory of 1140 4156 b4a5ed0894b18515a82c88d215808045305b613d7748990f93f32f661e642158.exe si949654.exe PID 4156 wrote to memory of 1140 4156 b4a5ed0894b18515a82c88d215808045305b613d7748990f93f32f661e642158.exe si949654.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b4a5ed0894b18515a82c88d215808045305b613d7748990f93f32f661e642158.exe"C:\Users\Admin\AppData\Local\Temp\b4a5ed0894b18515a82c88d215808045305b613d7748990f93f32f661e642158.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4156 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un545423.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un545423.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4140 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9809.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro9809.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3560 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4499.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4499.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3912 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si949654.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si949654.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1140
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD51243910c9b0864185de3f6af8a1cb620
SHA15cfa522116387618ddef2d947c680557d1124a57
SHA25623d95f5140e5c63730dc744b6b6f74e741fc3696a6aabb2a733eb585a2ad93f0
SHA512d863b825c14587ebebab2a0006f537932e3d747b4e997333863cc3db1d50a35ab3fa6826e9a95f933631770ca8c8120e4f6299ea287bc300f836fa6c7cee2ff0
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Filesize
175KB
MD51243910c9b0864185de3f6af8a1cb620
SHA15cfa522116387618ddef2d947c680557d1124a57
SHA25623d95f5140e5c63730dc744b6b6f74e741fc3696a6aabb2a733eb585a2ad93f0
SHA512d863b825c14587ebebab2a0006f537932e3d747b4e997333863cc3db1d50a35ab3fa6826e9a95f933631770ca8c8120e4f6299ea287bc300f836fa6c7cee2ff0
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Filesize
547KB
MD54e86cc0da05dba9f0df85ed8bbdbc65d
SHA16b0d5224da90797fd1b18181773d37d552490249
SHA256a8c935c369a4c2aa61d21ab6ed9f9abf329ab56aab44d84f6876a2eb9bf35c47
SHA512bbe240af369f48c3782cf53a91d6fcc6cfa0e936b1556f8b83f4ddeb90ab726077ba850395fb5dde88f1f752717e0010e039745d0658b09327c2b4ae7aa26922
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Filesize
547KB
MD54e86cc0da05dba9f0df85ed8bbdbc65d
SHA16b0d5224da90797fd1b18181773d37d552490249
SHA256a8c935c369a4c2aa61d21ab6ed9f9abf329ab56aab44d84f6876a2eb9bf35c47
SHA512bbe240af369f48c3782cf53a91d6fcc6cfa0e936b1556f8b83f4ddeb90ab726077ba850395fb5dde88f1f752717e0010e039745d0658b09327c2b4ae7aa26922
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Filesize
291KB
MD521cd21f1e7bbd6bddc8e0341c6cae742
SHA1a39717a728d2b8f244c7ae5087e144db2c242873
SHA256d2bbc95d3fa38a969dbb3bfb6776820398fd3e25a3c51f74aa87f6b2470e901a
SHA51207c8766d861f32d959001937dd77808104115a464a2fc393e58f6e4b7b77be33fc7d298bcd3dee17d102c2eaca39149cb013209b06d2d3e6613eaa802bd1c6bb
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Filesize
291KB
MD521cd21f1e7bbd6bddc8e0341c6cae742
SHA1a39717a728d2b8f244c7ae5087e144db2c242873
SHA256d2bbc95d3fa38a969dbb3bfb6776820398fd3e25a3c51f74aa87f6b2470e901a
SHA51207c8766d861f32d959001937dd77808104115a464a2fc393e58f6e4b7b77be33fc7d298bcd3dee17d102c2eaca39149cb013209b06d2d3e6613eaa802bd1c6bb
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Filesize
345KB
MD53e4d18156790886461b92c865d885211
SHA1088e202bb17ab1817f19406ecc5ab4d0e22fb8dd
SHA256527db8a1186a7569d56c6ebebe9c1c4771e0648dc5c25f3b30ca867abf7ef4cb
SHA5129ffc5491fbbd314fb17af17ab85c61afd566a4d04c37acb6baca069388c2a4c7fc3bf60065d35c0837e1680006cf718c4fe4dfbe7834f9651894bc00763447ca
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Filesize
345KB
MD53e4d18156790886461b92c865d885211
SHA1088e202bb17ab1817f19406ecc5ab4d0e22fb8dd
SHA256527db8a1186a7569d56c6ebebe9c1c4771e0648dc5c25f3b30ca867abf7ef4cb
SHA5129ffc5491fbbd314fb17af17ab85c61afd566a4d04c37acb6baca069388c2a4c7fc3bf60065d35c0837e1680006cf718c4fe4dfbe7834f9651894bc00763447ca