Analysis
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max time kernel
91s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
04-06-2022 19:16
Behavioral task
behavioral1
Sample
9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe
Resource
win7-20220414-en
General
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Target
9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe
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Size
1.5MB
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MD5
58a250aeb22f0040185210402d4243b3
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SHA1
cb74b3dba0e3ef8073f03810a0232da641b8a587
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SHA256
9c78846071126d7f29a8b82b699903031d7d2cd837df91584fd1ee7eb7b8c93b
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SHA512
72aea6fd61661826dad7de76d7e998de0f91cf9992282cb16dcf11ca8a32c64b249839f9680b6a0a95b848c2f57fb4b1d5d80f300007656edd8ad95c7afe4980
Malware Config
Extracted
redline
AwsR
siyatermi.duckdns.org:17044
Extracted
quasar
2.1.0.0
V/R/B
siyatermi.duckdns.org:1518
VNM_MUTEX_mJ6pCWZMe3OMOha5bj
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encryption_key
g1Bi32PXFGwyBI9DJGTD
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install_name
Start Process.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Browser Module
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subdirectory
Sys Resources
Signatures
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Contains code to disable Windows Defender 6 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\Start Process.exe disable_win_def C:\Users\Admin\AppData\Roaming\Start Process.exe disable_win_def behavioral2/memory/3100-144-0x0000000000960000-0x00000000009EC000-memory.dmp disable_win_def C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe disable_win_def C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe disable_win_def C:\Users\Admin\AppData\Roaming\Start Process.exe disable_win_def -
Processes:
Start Process.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection Start Process.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" Start Process.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" Start Process.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" Start Process.exe -
Quasar Payload 6 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\Start Process.exe family_quasar C:\Users\Admin\AppData\Roaming\Start Process.exe family_quasar behavioral2/memory/3100-144-0x0000000000960000-0x00000000009EC000-memory.dmp family_quasar C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe family_quasar C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe family_quasar C:\Users\Admin\AppData\Roaming\Start Process.exe family_quasar -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine Payload 3 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Roaming\Software Check.exe family_redline C:\Users\Admin\AppData\Roaming\Software Check.exe family_redline behavioral2/memory/4032-142-0x0000000000A60000-0x0000000000A7E000-memory.dmp family_redline -
suricata: ET MALWARE Common RAT Connectivity Check Observed
suricata: ET MALWARE Common RAT Connectivity Check Observed
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Executes dropped EXE 5 IoCs
Processes:
Software Check.exeSteam Accounts Checker v0.4 By X-SLAYER.exeStart Process.exeStart Process.exeStart Process.exepid process 4032 Software Check.exe 2736 Steam Accounts Checker v0.4 By X-SLAYER.exe 3100 Start Process.exe 368 Start Process.exe 4156 Start Process.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exeStart Process.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation 9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation Start Process.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:
Start Process.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features Start Process.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" Start Process.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 12 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1492 2736 WerFault.exe Steam Accounts Checker v0.4 By X-SLAYER.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 4808 schtasks.exe 1436 schtasks.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
powershell.exeSoftware Check.exeStart Process.exeStart Process.exepid process 3800 powershell.exe 3800 powershell.exe 4032 Software Check.exe 4032 Software Check.exe 3100 Start Process.exe 3100 Start Process.exe 3100 Start Process.exe 3100 Start Process.exe 3100 Start Process.exe 3100 Start Process.exe 3100 Start Process.exe 4156 Start Process.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
Software Check.exeStart Process.exepowershell.exeStart Process.exeStart Process.exedescription pid process Token: SeDebugPrivilege 4032 Software Check.exe Token: SeDebugPrivilege 3100 Start Process.exe Token: SeDebugPrivilege 3800 powershell.exe Token: SeDebugPrivilege 368 Start Process.exe Token: SeDebugPrivilege 368 Start Process.exe Token: SeDebugPrivilege 4156 Start Process.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Start Process.exepid process 368 Start Process.exe -
Suspicious use of WriteProcessMemory 38 IoCs
Processes:
9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exeStart Process.exeStart Process.execmd.execmd.exedescription pid process target process PID 4772 wrote to memory of 4032 4772 9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe Software Check.exe PID 4772 wrote to memory of 4032 4772 9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe Software Check.exe PID 4772 wrote to memory of 4032 4772 9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe Software Check.exe PID 4772 wrote to memory of 2736 4772 9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe Steam Accounts Checker v0.4 By X-SLAYER.exe PID 4772 wrote to memory of 2736 4772 9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe Steam Accounts Checker v0.4 By X-SLAYER.exe PID 4772 wrote to memory of 3100 4772 9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe Start Process.exe PID 4772 wrote to memory of 3100 4772 9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe Start Process.exe PID 4772 wrote to memory of 3100 4772 9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe Start Process.exe PID 3100 wrote to memory of 4808 3100 Start Process.exe schtasks.exe PID 3100 wrote to memory of 4808 3100 Start Process.exe schtasks.exe PID 3100 wrote to memory of 4808 3100 Start Process.exe schtasks.exe PID 3100 wrote to memory of 368 3100 Start Process.exe Start Process.exe PID 3100 wrote to memory of 368 3100 Start Process.exe Start Process.exe PID 3100 wrote to memory of 368 3100 Start Process.exe Start Process.exe PID 3100 wrote to memory of 3800 3100 Start Process.exe powershell.exe PID 3100 wrote to memory of 3800 3100 Start Process.exe powershell.exe PID 3100 wrote to memory of 3800 3100 Start Process.exe powershell.exe PID 368 wrote to memory of 1436 368 Start Process.exe schtasks.exe PID 368 wrote to memory of 1436 368 Start Process.exe schtasks.exe PID 368 wrote to memory of 1436 368 Start Process.exe schtasks.exe PID 3100 wrote to memory of 328 3100 Start Process.exe cmd.exe PID 3100 wrote to memory of 328 3100 Start Process.exe cmd.exe PID 3100 wrote to memory of 328 3100 Start Process.exe cmd.exe PID 328 wrote to memory of 3596 328 cmd.exe cmd.exe PID 328 wrote to memory of 3596 328 cmd.exe cmd.exe PID 328 wrote to memory of 3596 328 cmd.exe cmd.exe PID 3100 wrote to memory of 4864 3100 Start Process.exe cmd.exe PID 3100 wrote to memory of 4864 3100 Start Process.exe cmd.exe PID 3100 wrote to memory of 4864 3100 Start Process.exe cmd.exe PID 4864 wrote to memory of 4364 4864 cmd.exe chcp.com PID 4864 wrote to memory of 4364 4864 cmd.exe chcp.com PID 4864 wrote to memory of 4364 4864 cmd.exe chcp.com PID 4864 wrote to memory of 4188 4864 cmd.exe PING.EXE PID 4864 wrote to memory of 4188 4864 cmd.exe PING.EXE PID 4864 wrote to memory of 4188 4864 cmd.exe PING.EXE PID 4864 wrote to memory of 4156 4864 cmd.exe Start Process.exe PID 4864 wrote to memory of 4156 4864 cmd.exe Start Process.exe PID 4864 wrote to memory of 4156 4864 cmd.exe Start Process.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe"C:\Users\Admin\AppData\Local\Temp\9C78846071126D7F29A8B82B699903031D7D2CD837DF9.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4772 -
C:\Users\Admin\AppData\Roaming\Software Check.exe"C:\Users\Admin\AppData\Roaming\Software Check.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4032
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C:\Users\Admin\AppData\Local\Temp\Steam Accounts Checker v0.4 By X-SLAYER.exe"C:\Users\Admin\AppData\Local\Temp\Steam Accounts Checker v0.4 By X-SLAYER.exe"2⤵
- Executes dropped EXE
PID:2736 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2736 -s 8443⤵
- Program crash
PID:1492
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C:\Users\Admin\AppData\Roaming\Start Process.exe"C:\Users\Admin\AppData\Roaming\Start Process.exe"2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Checks computer location settings
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3100 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "Browser Module" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Start Process.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
PID:4808
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C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe"C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:368 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "Browser Module" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Sys Resources\Start Process.exe" /rl HIGHEST /f4⤵
- Creates scheduled task(s)
PID:1436
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3800
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start /b del /q/f/s %TEMP%\* & exit3⤵
- Suspicious use of WriteProcessMemory
PID:328 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /K del /q/f/s C:\Users\Admin\AppData\Local\Temp\*4⤵PID:3596
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\vwKxRQUQbGaa.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:4864 -
C:\Windows\SysWOW64\chcp.comchcp 650014⤵PID:4364
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost4⤵
- Runs ping.exe
PID:4188
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C:\Users\Admin\AppData\Roaming\Start Process.exe"C:\Users\Admin\AppData\Roaming\Start Process.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4156
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 412 -p 2736 -ip 27361⤵PID:4500
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD510eab9c2684febb5327b6976f2047587
SHA1a12ed54146a7f5c4c580416aecb899549712449e
SHA256f49dbd55029bfbc15134f7c6a4f967d6c39142c63f2e8f1f8c78fab108a2c928
SHA5127e5fd90fffae723bd0c662a90e0730b507805f072771ee673d1d8c262dbf60c8a03ba5fe088f699a97c2e886380de158b2ccd59ee62e3d012dd6dd14ea9d0e50
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Filesize
899KB
MD55b74993c433cb811c591a1b2a8155b31
SHA1b06deafe52ed08047025a5d8aa375545bf7e4078
SHA256cef89a16a209e852dc11074589a8680d6cd59812cad1c3e2e42cba75e5109d21
SHA5125ffc5c64a85498e7dd3866131a37fdff816ae1fc0806b666799fef70d6aa16da8bd82a95045a7b1d514de49a01d580813324af971e1379aa6d2946589a9d5ea4
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Filesize
899KB
MD55b74993c433cb811c591a1b2a8155b31
SHA1b06deafe52ed08047025a5d8aa375545bf7e4078
SHA256cef89a16a209e852dc11074589a8680d6cd59812cad1c3e2e42cba75e5109d21
SHA5125ffc5c64a85498e7dd3866131a37fdff816ae1fc0806b666799fef70d6aa16da8bd82a95045a7b1d514de49a01d580813324af971e1379aa6d2946589a9d5ea4
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Filesize
207B
MD532de1fc16358473a464085f8e19401e5
SHA148906b1b05dd9ff8f7c8c8b2433499261e376814
SHA256a8d25fe117dac2c4226b5b053b6f910230cab3b1c0f884ebb4950c1c033f547c
SHA5124cbbc52c615ec5ed90c8ce7e1e494d25165c1eb54bb88a76f8643a48479adbd576a768d5d2ff01e84fd3769d67bd7eae511c42ce0a5b994ebfd755c338459140
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Filesize
95KB
MD527c2436f6a1c111bef78597d37751138
SHA1f1dabacffc82bbfc7d8db578f0a5653d7fe84bca
SHA256bcac81c69094ea47c3a00cae028ac4c64dd6cbd4fe85e11363e3e35b48c04842
SHA51297e717b9ad5b063e4ff1209684b27d033c5a4a8d9679e3d42d7308fbac1c885a1d3c85d3fed70b7a9adc82203d0e943777d7819456599276c61549186e319636
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Filesize
95KB
MD527c2436f6a1c111bef78597d37751138
SHA1f1dabacffc82bbfc7d8db578f0a5653d7fe84bca
SHA256bcac81c69094ea47c3a00cae028ac4c64dd6cbd4fe85e11363e3e35b48c04842
SHA51297e717b9ad5b063e4ff1209684b27d033c5a4a8d9679e3d42d7308fbac1c885a1d3c85d3fed70b7a9adc82203d0e943777d7819456599276c61549186e319636
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Filesize
535KB
MD54d97786ab8047ad6c08532ed7a017573
SHA1a64d07233d813f9a085722295dca62ca726e291a
SHA2565a72c2a12e0e42313c5d01277d3b26f52810a9753e31883f5f3e7a73a0021870
SHA5129224f6c0af0bb3aa6804e09b36617d2ecf762caf81ec0f2627553788f7045d09878b41ddb63a1d0779973cba52d2f1d59f69bc6c826ad8bb0d807444abab87d2
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Filesize
535KB
MD54d97786ab8047ad6c08532ed7a017573
SHA1a64d07233d813f9a085722295dca62ca726e291a
SHA2565a72c2a12e0e42313c5d01277d3b26f52810a9753e31883f5f3e7a73a0021870
SHA5129224f6c0af0bb3aa6804e09b36617d2ecf762caf81ec0f2627553788f7045d09878b41ddb63a1d0779973cba52d2f1d59f69bc6c826ad8bb0d807444abab87d2
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Filesize
535KB
MD54d97786ab8047ad6c08532ed7a017573
SHA1a64d07233d813f9a085722295dca62ca726e291a
SHA2565a72c2a12e0e42313c5d01277d3b26f52810a9753e31883f5f3e7a73a0021870
SHA5129224f6c0af0bb3aa6804e09b36617d2ecf762caf81ec0f2627553788f7045d09878b41ddb63a1d0779973cba52d2f1d59f69bc6c826ad8bb0d807444abab87d2
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Filesize
535KB
MD54d97786ab8047ad6c08532ed7a017573
SHA1a64d07233d813f9a085722295dca62ca726e291a
SHA2565a72c2a12e0e42313c5d01277d3b26f52810a9753e31883f5f3e7a73a0021870
SHA5129224f6c0af0bb3aa6804e09b36617d2ecf762caf81ec0f2627553788f7045d09878b41ddb63a1d0779973cba52d2f1d59f69bc6c826ad8bb0d807444abab87d2
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Filesize
535KB
MD54d97786ab8047ad6c08532ed7a017573
SHA1a64d07233d813f9a085722295dca62ca726e291a
SHA2565a72c2a12e0e42313c5d01277d3b26f52810a9753e31883f5f3e7a73a0021870
SHA5129224f6c0af0bb3aa6804e09b36617d2ecf762caf81ec0f2627553788f7045d09878b41ddb63a1d0779973cba52d2f1d59f69bc6c826ad8bb0d807444abab87d2