Analysis
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max time kernel
85s -
max time network
106s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
27-03-2023 17:09
Static task
static1
Behavioral task
behavioral1
Sample
70502e523e5b546e1972aa8bbc86f58652c530541c9c0704d3093556731f89ff.exe
Resource
win10v2004-20230221-en
General
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Target
70502e523e5b546e1972aa8bbc86f58652c530541c9c0704d3093556731f89ff.exe
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Size
695KB
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MD5
c1b2b61238435acf01afadfbecf7532f
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SHA1
7ad3737d6090c3588ba76025013ba2234b5dbbc1
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SHA256
70502e523e5b546e1972aa8bbc86f58652c530541c9c0704d3093556731f89ff
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SHA512
fb920acf0c1e9218b0631520a9ac28899cda72a20a29d2289d9fec73ca979fcc87f7b7bbb867c63b80b52d401252a848fa1dbebbb0a46fef64e171ad7bc9c862
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SSDEEP
12288:vMr4y90s+TrFOgXf/qOZHOr6EIGxvuBgkY0V7nhGHjRMxkR9ttf:fy3+fFXXXDur6EIGcgYlhGdvf
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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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro5876.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection pro5876.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro5876.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro5876.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro5876.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro5876.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 18 IoCs
resource yara_rule behavioral1/memory/3464-194-0x00000000028E0000-0x000000000291F000-memory.dmp family_redline behavioral1/memory/3464-195-0x00000000028E0000-0x000000000291F000-memory.dmp family_redline behavioral1/memory/3464-197-0x00000000028E0000-0x000000000291F000-memory.dmp family_redline behavioral1/memory/3464-199-0x00000000028E0000-0x000000000291F000-memory.dmp family_redline behavioral1/memory/3464-201-0x00000000028E0000-0x000000000291F000-memory.dmp family_redline behavioral1/memory/3464-205-0x00000000028E0000-0x000000000291F000-memory.dmp family_redline behavioral1/memory/3464-203-0x00000000028E0000-0x000000000291F000-memory.dmp family_redline behavioral1/memory/3464-207-0x00000000028E0000-0x000000000291F000-memory.dmp family_redline behavioral1/memory/3464-209-0x00000000028E0000-0x000000000291F000-memory.dmp family_redline behavioral1/memory/3464-211-0x00000000028E0000-0x000000000291F000-memory.dmp family_redline behavioral1/memory/3464-213-0x00000000028E0000-0x000000000291F000-memory.dmp family_redline behavioral1/memory/3464-215-0x00000000028E0000-0x000000000291F000-memory.dmp family_redline behavioral1/memory/3464-217-0x00000000028E0000-0x000000000291F000-memory.dmp family_redline behavioral1/memory/3464-219-0x00000000028E0000-0x000000000291F000-memory.dmp family_redline behavioral1/memory/3464-221-0x00000000028E0000-0x000000000291F000-memory.dmp family_redline behavioral1/memory/3464-223-0x00000000028E0000-0x000000000291F000-memory.dmp family_redline behavioral1/memory/3464-225-0x00000000028E0000-0x000000000291F000-memory.dmp family_redline behavioral1/memory/3464-227-0x00000000028E0000-0x000000000291F000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 896 un475432.exe 2176 pro5876.exe 3464 qu5999.exe 1456 si547505.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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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features pro5876.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro5876.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce 70502e523e5b546e1972aa8bbc86f58652c530541c9c0704d3093556731f89ff.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\\\"" 70502e523e5b546e1972aa8bbc86f58652c530541c9c0704d3093556731f89ff.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un475432.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\\\"" un475432.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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Program crash 2 IoCs
pid pid_target Process procid_target 1532 2176 WerFault.exe 83 2696 3464 WerFault.exe 89 -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2176 pro5876.exe 2176 pro5876.exe 3464 qu5999.exe 3464 qu5999.exe 1456 si547505.exe 1456 si547505.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2176 pro5876.exe Token: SeDebugPrivilege 3464 qu5999.exe Token: SeDebugPrivilege 1456 si547505.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2224 wrote to memory of 896 2224 70502e523e5b546e1972aa8bbc86f58652c530541c9c0704d3093556731f89ff.exe 82 PID 2224 wrote to memory of 896 2224 70502e523e5b546e1972aa8bbc86f58652c530541c9c0704d3093556731f89ff.exe 82 PID 2224 wrote to memory of 896 2224 70502e523e5b546e1972aa8bbc86f58652c530541c9c0704d3093556731f89ff.exe 82 PID 896 wrote to memory of 2176 896 un475432.exe 83 PID 896 wrote to memory of 2176 896 un475432.exe 83 PID 896 wrote to memory of 2176 896 un475432.exe 83 PID 896 wrote to memory of 3464 896 un475432.exe 89 PID 896 wrote to memory of 3464 896 un475432.exe 89 PID 896 wrote to memory of 3464 896 un475432.exe 89 PID 2224 wrote to memory of 1456 2224 70502e523e5b546e1972aa8bbc86f58652c530541c9c0704d3093556731f89ff.exe 92 PID 2224 wrote to memory of 1456 2224 70502e523e5b546e1972aa8bbc86f58652c530541c9c0704d3093556731f89ff.exe 92 PID 2224 wrote to memory of 1456 2224 70502e523e5b546e1972aa8bbc86f58652c530541c9c0704d3093556731f89ff.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\70502e523e5b546e1972aa8bbc86f58652c530541c9c0704d3093556731f89ff.exe"C:\Users\Admin\AppData\Local\Temp\70502e523e5b546e1972aa8bbc86f58652c530541c9c0704d3093556731f89ff.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2224 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un475432.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un475432.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:896 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5876.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro5876.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2176 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2176 -s 10964⤵
- Program crash
PID:1532
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu5999.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu5999.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3464 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 17844⤵
- Program crash
PID:2696
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si547505.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si547505.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1456
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2176 -ip 21761⤵PID:804
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3464 -ip 34641⤵PID:2008
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD5f1b87815ddb959c78a43dcb539b26d02
SHA1d2a06cb50ffca8a5af8fabea5853843ac9f70628
SHA256c88577490eda064bc46ac2abdfe9bf1e5d9b7fcc3cf4ec8c47917e080124e2ee
SHA512692f07bed6ce323c6adf25df65fe9f9851b7edab36ee05e2c492edd0d508f07e2d61d35df75a63b7658ccfca1af3a78a4f0a68973a5ccd85da52c49dc59f9885
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Filesize
175KB
MD5f1b87815ddb959c78a43dcb539b26d02
SHA1d2a06cb50ffca8a5af8fabea5853843ac9f70628
SHA256c88577490eda064bc46ac2abdfe9bf1e5d9b7fcc3cf4ec8c47917e080124e2ee
SHA512692f07bed6ce323c6adf25df65fe9f9851b7edab36ee05e2c492edd0d508f07e2d61d35df75a63b7658ccfca1af3a78a4f0a68973a5ccd85da52c49dc59f9885
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Filesize
553KB
MD572a37433b91130627d839715bdc387c8
SHA1dcbfa06e1f83921af146b17f83b66cdd499cd576
SHA25672b7c25d3c10293a7d1478c13c273fab9ecefdbb79b6195a1ce60067f438c5d7
SHA5124831b265199b357d6084ad00d34d63607c6a800bcf89af418a790de58e4ecae925da2e34c92af8c55032fb9d042f7adf8e8fd424ea5f9ede9ad08e3b592812e4
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Filesize
553KB
MD572a37433b91130627d839715bdc387c8
SHA1dcbfa06e1f83921af146b17f83b66cdd499cd576
SHA25672b7c25d3c10293a7d1478c13c273fab9ecefdbb79b6195a1ce60067f438c5d7
SHA5124831b265199b357d6084ad00d34d63607c6a800bcf89af418a790de58e4ecae925da2e34c92af8c55032fb9d042f7adf8e8fd424ea5f9ede9ad08e3b592812e4
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Filesize
308KB
MD5539284b5d86d119b7a01842f8619e581
SHA12d63b2e87f5e132753ff07ebaee151ee862aa465
SHA2569b185f8fa1097eb31cff4cc4b38d16ee4b3ae52fe7d841c871be5c1f87035a42
SHA5125559d77f1d9d67c621573bdce1f8ecfb19195a565bb3b0ae2f996eba7459baecf7e5674c7e8004e30fa86f630e5e8f3611138b3868fd42799294190a6d4391c2
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Filesize
308KB
MD5539284b5d86d119b7a01842f8619e581
SHA12d63b2e87f5e132753ff07ebaee151ee862aa465
SHA2569b185f8fa1097eb31cff4cc4b38d16ee4b3ae52fe7d841c871be5c1f87035a42
SHA5125559d77f1d9d67c621573bdce1f8ecfb19195a565bb3b0ae2f996eba7459baecf7e5674c7e8004e30fa86f630e5e8f3611138b3868fd42799294190a6d4391c2
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Filesize
366KB
MD5d7d5f142b42beda7a56d5a01bd19673c
SHA13364c17f0edb93dbdafd97cb3b8122d234062a47
SHA256f47502f2e0bf9c3ccceab2c964225ed310f02a66953f24ef5360c85b9e50b22f
SHA512273932c5fae44da28fa8ccfb44fb5d6ddbf110c00abe932e3f229809fd15500dc9a9e465dec9411dfe8e8b52ea43385cf206b8d582d259470fa7ffc29298feae
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Filesize
366KB
MD5d7d5f142b42beda7a56d5a01bd19673c
SHA13364c17f0edb93dbdafd97cb3b8122d234062a47
SHA256f47502f2e0bf9c3ccceab2c964225ed310f02a66953f24ef5360c85b9e50b22f
SHA512273932c5fae44da28fa8ccfb44fb5d6ddbf110c00abe932e3f229809fd15500dc9a9e465dec9411dfe8e8b52ea43385cf206b8d582d259470fa7ffc29298feae