Analysis
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max time kernel
50s -
max time network
60s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
27-03-2023 19:23
Static task
static1
Behavioral task
behavioral1
Sample
55b8f8236d2215682f7579e1fc1bf35bfef9c55bf9aa8fa399e013230a6796bd.exe
Resource
win10-20230220-en
General
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Target
55b8f8236d2215682f7579e1fc1bf35bfef9c55bf9aa8fa399e013230a6796bd.exe
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Size
695KB
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MD5
d3266baa227df1f774ea3a2cc4d305f7
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SHA1
d7fa4f459dd002c8f93fd44f14ef73ab0101771b
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SHA256
55b8f8236d2215682f7579e1fc1bf35bfef9c55bf9aa8fa399e013230a6796bd
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SHA512
a0a98d095e96f9436dfb2625d5be3fe36a7dccf1051b83a60528c8075fc8142d8c66a28ae88c54bc6c04e9e0a42dfbd62eba9d9af5dfb0e5539f0a2d781b2d1d
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SSDEEP
12288:sMrjy90TBhWU7JvZpC6EgoXPgt/5T/L6qrxd+Ln/sz+dAJ0yjeOU+h1:fyAhWU8H4tReqrxALc+aCyjiC1
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
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auth_value
8633e283485822a4a48f0a41d5397566
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro6947.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro6947.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro6947.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro6947.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro6947.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 21 IoCs
resource yara_rule behavioral1/memory/1020-178-0x0000000004C70000-0x0000000004CB6000-memory.dmp family_redline behavioral1/memory/1020-179-0x0000000004CF0000-0x0000000004D34000-memory.dmp family_redline behavioral1/memory/1020-181-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1020-183-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1020-180-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1020-185-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1020-187-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1020-189-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1020-191-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1020-193-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1020-195-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1020-197-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1020-199-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1020-201-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1020-203-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1020-205-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1020-207-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1020-209-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1020-211-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1020-213-0x0000000004CF0000-0x0000000004D2F000-memory.dmp family_redline behavioral1/memory/1020-287-0x0000000004E60000-0x0000000004E70000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
pid Process 3524 un137935.exe 3940 pro6947.exe 1020 qu2109.exe 1284 si084158.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 pro6947.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro6947.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 55b8f8236d2215682f7579e1fc1bf35bfef9c55bf9aa8fa399e013230a6796bd.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\\\"" 55b8f8236d2215682f7579e1fc1bf35bfef9c55bf9aa8fa399e013230a6796bd.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un137935.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\\\"" un137935.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
pid Process 3940 pro6947.exe 3940 pro6947.exe 1020 qu2109.exe 1020 qu2109.exe 1284 si084158.exe 1284 si084158.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3940 pro6947.exe Token: SeDebugPrivilege 1020 qu2109.exe Token: SeDebugPrivilege 1284 si084158.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3588 wrote to memory of 3524 3588 55b8f8236d2215682f7579e1fc1bf35bfef9c55bf9aa8fa399e013230a6796bd.exe 66 PID 3588 wrote to memory of 3524 3588 55b8f8236d2215682f7579e1fc1bf35bfef9c55bf9aa8fa399e013230a6796bd.exe 66 PID 3588 wrote to memory of 3524 3588 55b8f8236d2215682f7579e1fc1bf35bfef9c55bf9aa8fa399e013230a6796bd.exe 66 PID 3524 wrote to memory of 3940 3524 un137935.exe 67 PID 3524 wrote to memory of 3940 3524 un137935.exe 67 PID 3524 wrote to memory of 3940 3524 un137935.exe 67 PID 3524 wrote to memory of 1020 3524 un137935.exe 68 PID 3524 wrote to memory of 1020 3524 un137935.exe 68 PID 3524 wrote to memory of 1020 3524 un137935.exe 68 PID 3588 wrote to memory of 1284 3588 55b8f8236d2215682f7579e1fc1bf35bfef9c55bf9aa8fa399e013230a6796bd.exe 70 PID 3588 wrote to memory of 1284 3588 55b8f8236d2215682f7579e1fc1bf35bfef9c55bf9aa8fa399e013230a6796bd.exe 70 PID 3588 wrote to memory of 1284 3588 55b8f8236d2215682f7579e1fc1bf35bfef9c55bf9aa8fa399e013230a6796bd.exe 70
Processes
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C:\Users\Admin\AppData\Local\Temp\55b8f8236d2215682f7579e1fc1bf35bfef9c55bf9aa8fa399e013230a6796bd.exe"C:\Users\Admin\AppData\Local\Temp\55b8f8236d2215682f7579e1fc1bf35bfef9c55bf9aa8fa399e013230a6796bd.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3588 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un137935.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un137935.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3524 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6947.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro6947.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3940
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu2109.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu2109.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1020
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si084158.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si084158.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1284
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD5f788cd749f017a94f0f8350407833b89
SHA1e336e454ba53e5e2deaa2e8cdec135b9a85db16c
SHA256f8560d495ddaeec6492e7f8e4f93a87d93720c925547c69630f91f7e64b91fbb
SHA51251784ce50818157e4d170762131164a4226e9dcb1f25d6ddd97ce38fcfdab5787a91309d52c4614af9beef53286cae2d630fee2903add9962aa82f80a3eca441
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Filesize
175KB
MD5f788cd749f017a94f0f8350407833b89
SHA1e336e454ba53e5e2deaa2e8cdec135b9a85db16c
SHA256f8560d495ddaeec6492e7f8e4f93a87d93720c925547c69630f91f7e64b91fbb
SHA51251784ce50818157e4d170762131164a4226e9dcb1f25d6ddd97ce38fcfdab5787a91309d52c4614af9beef53286cae2d630fee2903add9962aa82f80a3eca441
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Filesize
553KB
MD5f89f13b624e13bb3b058d6a561e1c156
SHA1a9676f5eef9318651b4e57e9c65852eea6403e39
SHA2565b7b91b8b1d2b83f35a4ab342bd0e1982db3e7aaabae461f2cdc1911c8427e86
SHA512167fa00b1ddc890ca87d40523c4095412c8056aa315489eaf6a57d52fb28967904365891390cf32dccc9f497ec98b181c89cf050227390479edf328c73ba6c5b
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Filesize
553KB
MD5f89f13b624e13bb3b058d6a561e1c156
SHA1a9676f5eef9318651b4e57e9c65852eea6403e39
SHA2565b7b91b8b1d2b83f35a4ab342bd0e1982db3e7aaabae461f2cdc1911c8427e86
SHA512167fa00b1ddc890ca87d40523c4095412c8056aa315489eaf6a57d52fb28967904365891390cf32dccc9f497ec98b181c89cf050227390479edf328c73ba6c5b
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Filesize
308KB
MD5e564cf29795bb360e8bfbcc5432b756f
SHA1177caa720a20d2e4820be97d9c5b7fd7a6fddcb4
SHA2564314c286f8bf8c849cf0f9bc5bb38f0e990d2a940ba3ed1e0371cc7db8fd3472
SHA512b3b171f10bc6f6bedcc54476f6845cdcc37ea1d7437e0ab8b4ff3e2894b642c960804908baf247289c920348e6acfda56b9cccdcdcdf865323236fff009aa46a
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Filesize
308KB
MD5e564cf29795bb360e8bfbcc5432b756f
SHA1177caa720a20d2e4820be97d9c5b7fd7a6fddcb4
SHA2564314c286f8bf8c849cf0f9bc5bb38f0e990d2a940ba3ed1e0371cc7db8fd3472
SHA512b3b171f10bc6f6bedcc54476f6845cdcc37ea1d7437e0ab8b4ff3e2894b642c960804908baf247289c920348e6acfda56b9cccdcdcdf865323236fff009aa46a
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Filesize
366KB
MD58f6c0fdbc430dc80d580a1119eaf4308
SHA184417c933973688e0f7a4abe30c3a94bddeb6916
SHA256680764573646c4698d6a1d96557c382d8a56b99e91528b3203639e842719142b
SHA5124691a9493fce60055905031fd1be351d7554cdd3c4a262bd8b696f1e7fad4bcb15660aec27b612e25ea5a130bc994f66afc2157549914b62d6eb7d21638a4b3a
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Filesize
366KB
MD58f6c0fdbc430dc80d580a1119eaf4308
SHA184417c933973688e0f7a4abe30c3a94bddeb6916
SHA256680764573646c4698d6a1d96557c382d8a56b99e91528b3203639e842719142b
SHA5124691a9493fce60055905031fd1be351d7554cdd3c4a262bd8b696f1e7fad4bcb15660aec27b612e25ea5a130bc994f66afc2157549914b62d6eb7d21638a4b3a