Analysis
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max time kernel
77s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
24-03-2023 10:12
Static task
static1
Behavioral task
behavioral1
Sample
c4e24c81be66682868cbfecfe0f69c395f5798ebf259564f7c0f3519623abf1e.exe
Resource
win10v2004-20230220-en
General
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Target
c4e24c81be66682868cbfecfe0f69c395f5798ebf259564f7c0f3519623abf1e.exe
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Size
539KB
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MD5
2538e7f116b0db4b7c9559c3fae07f03
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SHA1
e659b55aa5266bbbbdb288bd3500933a9c9f8281
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SHA256
c4e24c81be66682868cbfecfe0f69c395f5798ebf259564f7c0f3519623abf1e
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SHA512
8f9c70de11b534f1adbd63e751db2b0512404bef7c74b922ad0977b233153c4a9797be86ac717e8664d9767dab1ad196b6f120a1d95e66a8a340526562ef1f88
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SSDEEP
12288:BMr0y90YBtBvAT8DZJ8Ogz0/6Yxx5I4+Fs1tXWQW7n/Pf:NyPHle1Ogz66YzQK1tmQgH
Malware Config
Extracted
redline
down
193.233.20.31:4125
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auth_value
12c31a90c72f5efae8c053a0bd339381
Extracted
redline
hero
193.233.20.31:4125
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auth_value
11f3c75a88ca461bcc8d6bf60a1193e3
Signatures
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Processes:
pro4206.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection pro4206.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro4206.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro4206.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro4206.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro4206.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro4206.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 33 IoCs
Processes:
resource yara_rule behavioral1/memory/2536-155-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-156-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-158-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-160-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-162-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-164-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-166-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-168-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-170-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-172-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-174-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-176-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-178-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-180-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-182-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-184-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-186-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-189-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-193-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-195-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-197-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-199-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-201-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-203-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-205-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-207-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-209-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-211-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-213-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-215-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-217-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-219-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline behavioral1/memory/2536-221-0x0000000004E90000-0x0000000004ECE000-memory.dmp family_redline -
Executes dropped EXE 4 IoCs
Processes:
unio2088.exepro4206.exequ7941.exesi744479.exepid process 1168 unio2088.exe 1088 pro4206.exe 2536 qu7941.exe 4512 si744479.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:
pro4206.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" pro4206.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:
c4e24c81be66682868cbfecfe0f69c395f5798ebf259564f7c0f3519623abf1e.exeunio2088.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce c4e24c81be66682868cbfecfe0f69c395f5798ebf259564f7c0f3519623abf1e.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\\\"" c4e24c81be66682868cbfecfe0f69c395f5798ebf259564f7c0f3519623abf1e.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce unio2088.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\\\"" unio2088.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 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1128 2536 WerFault.exe qu7941.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
pro4206.exequ7941.exesi744479.exepid process 1088 pro4206.exe 1088 pro4206.exe 2536 qu7941.exe 2536 qu7941.exe 4512 si744479.exe 4512 si744479.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
pro4206.exequ7941.exesi744479.exedescription pid process Token: SeDebugPrivilege 1088 pro4206.exe Token: SeDebugPrivilege 2536 qu7941.exe Token: SeDebugPrivilege 4512 si744479.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
c4e24c81be66682868cbfecfe0f69c395f5798ebf259564f7c0f3519623abf1e.exeunio2088.exedescription pid process target process PID 4456 wrote to memory of 1168 4456 c4e24c81be66682868cbfecfe0f69c395f5798ebf259564f7c0f3519623abf1e.exe unio2088.exe PID 4456 wrote to memory of 1168 4456 c4e24c81be66682868cbfecfe0f69c395f5798ebf259564f7c0f3519623abf1e.exe unio2088.exe PID 4456 wrote to memory of 1168 4456 c4e24c81be66682868cbfecfe0f69c395f5798ebf259564f7c0f3519623abf1e.exe unio2088.exe PID 1168 wrote to memory of 1088 1168 unio2088.exe pro4206.exe PID 1168 wrote to memory of 1088 1168 unio2088.exe pro4206.exe PID 1168 wrote to memory of 2536 1168 unio2088.exe qu7941.exe PID 1168 wrote to memory of 2536 1168 unio2088.exe qu7941.exe PID 1168 wrote to memory of 2536 1168 unio2088.exe qu7941.exe PID 4456 wrote to memory of 4512 4456 c4e24c81be66682868cbfecfe0f69c395f5798ebf259564f7c0f3519623abf1e.exe si744479.exe PID 4456 wrote to memory of 4512 4456 c4e24c81be66682868cbfecfe0f69c395f5798ebf259564f7c0f3519623abf1e.exe si744479.exe PID 4456 wrote to memory of 4512 4456 c4e24c81be66682868cbfecfe0f69c395f5798ebf259564f7c0f3519623abf1e.exe si744479.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c4e24c81be66682868cbfecfe0f69c395f5798ebf259564f7c0f3519623abf1e.exe"C:\Users\Admin\AppData\Local\Temp\c4e24c81be66682868cbfecfe0f69c395f5798ebf259564f7c0f3519623abf1e.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4456 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio2088.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\unio2088.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1168 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro4206.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro4206.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1088
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu7941.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu7941.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2536 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 13404⤵
- Program crash
PID:1128
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si744479.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si744479.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4512
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2536 -ip 25361⤵PID:2960
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
175KB
MD57c11dfe7837f2079d50113de0e973682
SHA1fae072addd4d56ab67d08ab82da4aac5d7223960
SHA256442d9cc0073a6d45abbed64eb9891912091d444fe4dd368924d1b8cf7c59e65b
SHA51206085d23ead5955185736af64754c343a796af98b68c8013ba20b19a5c52eb92066698b86633d54438fe6ad5455c3c3c4625cf03d15439ab486e22388bd8cab7
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Filesize
175KB
MD57c11dfe7837f2079d50113de0e973682
SHA1fae072addd4d56ab67d08ab82da4aac5d7223960
SHA256442d9cc0073a6d45abbed64eb9891912091d444fe4dd368924d1b8cf7c59e65b
SHA51206085d23ead5955185736af64754c343a796af98b68c8013ba20b19a5c52eb92066698b86633d54438fe6ad5455c3c3c4625cf03d15439ab486e22388bd8cab7
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Filesize
397KB
MD5544adbb180aa0452fa1f74b14a7c885b
SHA1d0ee8b5de2dfb6f62b8355115174dc810d08a628
SHA256e216eb2f4e503c26c4c2eb40f7284702eaa9bd7764e7436f4b5471f489f3f3b5
SHA512fc0eec0e9bc40091004bb591281bcaf3f28cdd91eca87676fc33fa3d3fe77cde4813e9a174d1ad3cb6f14a3bd117103609d56ab0bd7969a13604ff7b7388a0b1
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Filesize
397KB
MD5544adbb180aa0452fa1f74b14a7c885b
SHA1d0ee8b5de2dfb6f62b8355115174dc810d08a628
SHA256e216eb2f4e503c26c4c2eb40f7284702eaa9bd7764e7436f4b5471f489f3f3b5
SHA512fc0eec0e9bc40091004bb591281bcaf3f28cdd91eca87676fc33fa3d3fe77cde4813e9a174d1ad3cb6f14a3bd117103609d56ab0bd7969a13604ff7b7388a0b1
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
355KB
MD5facc0dda7a84449ec40fe292a2656a92
SHA1236af9d2fe1f719fa25dab14c906dd7101df28e1
SHA25636b19f79e71db64c3448609a35429d1697719b85f0baf89a6075d34ef47364b3
SHA51206b7e9c73138953add5b14e7d9bd4cf6b5259a813e72c0f733595d51d75cefc98189450d638ec643f706321ec80c7e641c852f560be9aea50f538d182430f144
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Filesize
355KB
MD5facc0dda7a84449ec40fe292a2656a92
SHA1236af9d2fe1f719fa25dab14c906dd7101df28e1
SHA25636b19f79e71db64c3448609a35429d1697719b85f0baf89a6075d34ef47364b3
SHA51206b7e9c73138953add5b14e7d9bd4cf6b5259a813e72c0f733595d51d75cefc98189450d638ec643f706321ec80c7e641c852f560be9aea50f538d182430f144