Analysis
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max time kernel
135s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
28-03-2023 03:48
Static task
static1
Behavioral task
behavioral1
Sample
db23c29f64552314a4489e0640353625134a05161f8f741837db5503370731b6.exe
Resource
win10v2004-20230220-en
General
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Target
db23c29f64552314a4489e0640353625134a05161f8f741837db5503370731b6.exe
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Size
689KB
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MD5
d166847b08bc4bd1fcb0747ff4270ff2
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SHA1
9df600a41fdc30aa59aae81a6b4e1cc9e02f7daa
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SHA256
db23c29f64552314a4489e0640353625134a05161f8f741837db5503370731b6
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SHA512
47133349b76af51d429c38cc93a34ac42ec068e195ec905ae7d6621beb95603187854fbf25f7b3bbc6d2a081980ae5f611b7b27b7971a9ad44f254a848f16d84
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SSDEEP
12288:eMruy902e94AJM5pXy165hLurHi4gt3YMrNg4kmJSvHFxxfight83Axty:0y9e9z65wofarHQ95glmJSdxxagIQx4
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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Processes:
pro8208.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection pro8208.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro8208.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro8208.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro8208.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro8208.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro8208.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 19 IoCs
Processes:
resource yara_rule behavioral1/memory/4948-190-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/4948-191-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/4948-193-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/4948-195-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/4948-197-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/4948-199-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/4948-201-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/4948-203-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/4948-205-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/4948-207-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/4948-209-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/4948-211-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/4948-213-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/4948-215-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/4948-217-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/4948-219-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/4948-221-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/4948-223-0x0000000003A80000-0x0000000003ABF000-memory.dmp family_redline behavioral1/memory/4948-1112-0x00000000061B0000-0x00000000061C0000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
Processes:
un174444.exepro8208.exequ4922.exesi720209.exepid process 4920 un174444.exe 4712 pro8208.exe 4948 qu4922.exe 1120 si720209.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:
pro8208.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features pro8208.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro8208.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:
db23c29f64552314a4489e0640353625134a05161f8f741837db5503370731b6.exeun174444.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce db23c29f64552314a4489e0640353625134a05161f8f741837db5503370731b6.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\\\"" db23c29f64552314a4489e0640353625134a05161f8f741837db5503370731b6.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce un174444.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\\\"" un174444.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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Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 4100 sc.exe -
Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 4016 4712 WerFault.exe pro8208.exe 4424 4948 WerFault.exe qu4922.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
pro8208.exequ4922.exesi720209.exepid process 4712 pro8208.exe 4712 pro8208.exe 4948 qu4922.exe 4948 qu4922.exe 1120 si720209.exe 1120 si720209.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
pro8208.exequ4922.exesi720209.exedescription pid process Token: SeDebugPrivilege 4712 pro8208.exe Token: SeDebugPrivilege 4948 qu4922.exe Token: SeDebugPrivilege 1120 si720209.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
db23c29f64552314a4489e0640353625134a05161f8f741837db5503370731b6.exeun174444.exedescription pid process target process PID 3148 wrote to memory of 4920 3148 db23c29f64552314a4489e0640353625134a05161f8f741837db5503370731b6.exe un174444.exe PID 3148 wrote to memory of 4920 3148 db23c29f64552314a4489e0640353625134a05161f8f741837db5503370731b6.exe un174444.exe PID 3148 wrote to memory of 4920 3148 db23c29f64552314a4489e0640353625134a05161f8f741837db5503370731b6.exe un174444.exe PID 4920 wrote to memory of 4712 4920 un174444.exe pro8208.exe PID 4920 wrote to memory of 4712 4920 un174444.exe pro8208.exe PID 4920 wrote to memory of 4712 4920 un174444.exe pro8208.exe PID 4920 wrote to memory of 4948 4920 un174444.exe qu4922.exe PID 4920 wrote to memory of 4948 4920 un174444.exe qu4922.exe PID 4920 wrote to memory of 4948 4920 un174444.exe qu4922.exe PID 3148 wrote to memory of 1120 3148 db23c29f64552314a4489e0640353625134a05161f8f741837db5503370731b6.exe si720209.exe PID 3148 wrote to memory of 1120 3148 db23c29f64552314a4489e0640353625134a05161f8f741837db5503370731b6.exe si720209.exe PID 3148 wrote to memory of 1120 3148 db23c29f64552314a4489e0640353625134a05161f8f741837db5503370731b6.exe si720209.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\db23c29f64552314a4489e0640353625134a05161f8f741837db5503370731b6.exe"C:\Users\Admin\AppData\Local\Temp\db23c29f64552314a4489e0640353625134a05161f8f741837db5503370731b6.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3148 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un174444.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un174444.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4920 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro8208.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro8208.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4712 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4712 -s 10844⤵
- Program crash
PID:4016 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4922.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu4922.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4948 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 13524⤵
- Program crash
PID:4424 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si720209.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si720209.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1120
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4712 -ip 47121⤵PID:1544
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4948 -ip 49481⤵PID:3004
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start wuauserv1⤵
- Launches sc.exe
PID:4100
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD5204d26312e19baa3ed5066e3b2cbe0a3
SHA1823cd5e4cba22b3f393faca7e78d3241f4556ea7
SHA256c4a478bfb571c7ce9c15836e1069530af77e4808274ead08d53bbc0e8b02f9dd
SHA51220a91cf3a90e3d579da9fee1ade2b3b7cefa35557286627239a545f3f8136eda383b0fa97ad746e752cd866c24125295a23c964e3c971664a168bea871ff545e
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Filesize
175KB
MD5204d26312e19baa3ed5066e3b2cbe0a3
SHA1823cd5e4cba22b3f393faca7e78d3241f4556ea7
SHA256c4a478bfb571c7ce9c15836e1069530af77e4808274ead08d53bbc0e8b02f9dd
SHA51220a91cf3a90e3d579da9fee1ade2b3b7cefa35557286627239a545f3f8136eda383b0fa97ad746e752cd866c24125295a23c964e3c971664a168bea871ff545e
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Filesize
547KB
MD5a6b08a32beb0f0c0f19248d3f327b52c
SHA19b7f4e5217fb0ed1a2dcf12cb7f1943acb24e0ee
SHA25605f0d08992a12696bf92c45a9cb8af73dca025d2f6466009efb7219427f0b2f4
SHA512a49ab2017e8669fcbd9abeaf6c81d818ac269e6c5942d9014723ce6a40fbefa89e5d8b75c4dec7ba8cd0957be03e19880d9c303bfe82e604081fa7389846f5a7
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Filesize
547KB
MD5a6b08a32beb0f0c0f19248d3f327b52c
SHA19b7f4e5217fb0ed1a2dcf12cb7f1943acb24e0ee
SHA25605f0d08992a12696bf92c45a9cb8af73dca025d2f6466009efb7219427f0b2f4
SHA512a49ab2017e8669fcbd9abeaf6c81d818ac269e6c5942d9014723ce6a40fbefa89e5d8b75c4dec7ba8cd0957be03e19880d9c303bfe82e604081fa7389846f5a7
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Filesize
291KB
MD53fd516833c40032581483db14487bd35
SHA19c0ff591725c7f8d93c03a3d70550fe978e092fd
SHA256a6cf8fea3d73b694fbf270c105f59ca8fa7611f72ebf8c6a809d6f4297780ead
SHA5125c17c970ce6abd95340b5bac1ee71eb9c849b807299d0447a91cd1a008560db9fb66316698e245fb8a60a636d7b02494083ab42c743069185885eee75d8cb944
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Filesize
291KB
MD53fd516833c40032581483db14487bd35
SHA19c0ff591725c7f8d93c03a3d70550fe978e092fd
SHA256a6cf8fea3d73b694fbf270c105f59ca8fa7611f72ebf8c6a809d6f4297780ead
SHA5125c17c970ce6abd95340b5bac1ee71eb9c849b807299d0447a91cd1a008560db9fb66316698e245fb8a60a636d7b02494083ab42c743069185885eee75d8cb944
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Filesize
345KB
MD5d1e22e46a5b064ae1dbfde4e340b466e
SHA136d83f1a34287191ddf12afa2c4b692d4173e7ac
SHA256594b853749c2c74c90cf86d17f3c015c9e90448e4c92239e98957277119b06ee
SHA5129dad3ead998e923eda3698194c731df1c2e173d35ca05e6b5d843eab3852a6e9ea22e20392e5c43ceb4a4098e4924eaf5a4fa197c947e00d92cd890165680073
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Filesize
345KB
MD5d1e22e46a5b064ae1dbfde4e340b466e
SHA136d83f1a34287191ddf12afa2c4b692d4173e7ac
SHA256594b853749c2c74c90cf86d17f3c015c9e90448e4c92239e98957277119b06ee
SHA5129dad3ead998e923eda3698194c731df1c2e173d35ca05e6b5d843eab3852a6e9ea22e20392e5c43ceb4a4098e4924eaf5a4fa197c947e00d92cd890165680073