Analysis
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max time kernel
138s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04-10-2024 01:29
Static task
static1
Behavioral task
behavioral1
Sample
5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe
Resource
win10v2004-20240802-en
General
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Target
5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe
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Size
920KB
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MD5
142a2665fecb3dba09c1e4aa85b8c0d7
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SHA1
d7e8bc456caa0f7e6e9af5229e86b409253d5c06
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SHA256
5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618
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SHA512
0d99edc929b6864b3c1c7c0f37586bc91e53e5676ae6fd9fd5bd2f303296e0781f771e495fc9363e575d5f79f0d0b4be194a0c1d02844a70778c57d3ee65775d
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SSDEEP
24576:FvUxOo74WAZ6QsoZIFhWZHNd8JE9wvUyX6:foUWAMToZCsHNdGYk+
Malware Config
Extracted
redline
L0GZ
93.185.156.125:1912
Extracted
strrat
93.185.156.124:1912
127.0.0.1:1912
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license_id
khonsari
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plugins_url
http://jbfrost.live/strigoi/server/?hwid=1&lid=m&ht=5
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scheduled_task
true
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secondary_startup
true
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startup
true
Signatures
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 2 IoCs
resource yara_rule behavioral2/files/0x00070000000234cf-18.dat family_redline behavioral2/memory/1824-21-0x0000000000210000-0x0000000000262000-memory.dmp family_redline -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation cmd.exe -
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\A.jar java.exe -
Executes dropped EXE 1 IoCs
pid Process 1824 build.exe -
Loads dropped DLL 2 IoCs
pid Process 992 java.exe 1680 java.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\A.jar\"" java.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A = "\"C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\A.jar\"" java.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 use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1852 set thread context of 3704 1852 5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe 87 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language build.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\Local Settings cmd.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3768 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 1852 5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe 1852 5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe 1852 5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe 1824 build.exe 1824 build.exe 1824 build.exe 1824 build.exe 1824 build.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1852 5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe Token: SeDebugPrivilege 1824 build.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 1852 wrote to memory of 3704 1852 5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe 87 PID 1852 wrote to memory of 3704 1852 5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe 87 PID 1852 wrote to memory of 3704 1852 5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe 87 PID 1852 wrote to memory of 3704 1852 5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe 87 PID 1852 wrote to memory of 3704 1852 5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe 87 PID 1852 wrote to memory of 3704 1852 5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe 87 PID 1852 wrote to memory of 3704 1852 5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe 87 PID 3704 wrote to memory of 4300 3704 5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe 88 PID 3704 wrote to memory of 4300 3704 5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe 88 PID 3704 wrote to memory of 4300 3704 5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe 88 PID 3704 wrote to memory of 2100 3704 5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe 89 PID 3704 wrote to memory of 2100 3704 5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe 89 PID 3704 wrote to memory of 2100 3704 5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe 89 PID 2100 wrote to memory of 1824 2100 cmd.exe 92 PID 2100 wrote to memory of 1824 2100 cmd.exe 92 PID 2100 wrote to memory of 1824 2100 cmd.exe 92 PID 4300 wrote to memory of 1204 4300 cmd.exe 93 PID 4300 wrote to memory of 1204 4300 cmd.exe 93 PID 1204 wrote to memory of 992 1204 javaw.exe 97 PID 1204 wrote to memory of 992 1204 javaw.exe 97 PID 992 wrote to memory of 2352 992 java.exe 99 PID 992 wrote to memory of 2352 992 java.exe 99 PID 992 wrote to memory of 1680 992 java.exe 100 PID 992 wrote to memory of 1680 992 java.exe 100 PID 2352 wrote to memory of 3768 2352 cmd.exe 103 PID 2352 wrote to memory of 3768 2352 cmd.exe 103 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe"C:\Users\Admin\AppData\Local\Temp\5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1852 -
C:\Users\Admin\AppData\Local\Temp\5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe"C:\Users\Admin\AppData\Local\Temp\5a227bf354dbad129be8c6e1b82eca5bbe6f27587a522fd5fa9e30bdd61b8618.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3704 -
C:\Windows\SysWOW64\cmd.execmd /c start "" "C:\Users\Admin\AppData\Local\Temp\A.jar"3⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4300 -
C:\Program Files\Java\jre-1.8\bin\javaw.exe"C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\A.jar"4⤵
- Suspicious use of WriteProcessMemory
PID:1204 -
C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\A.jar"5⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:992 -
C:\Windows\SYSTEM32\cmd.execmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\A.jar"6⤵
- Suspicious use of WriteProcessMemory
PID:2352 -
C:\Windows\system32\schtasks.exeschtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\A.jar"7⤵
- Scheduled Task/Job: Scheduled Task
PID:3768
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C:\Program Files\Java\jre-1.8\bin\java.exe"C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\A.jar"6⤵
- Loads dropped DLL
PID:1680
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C:\Windows\SysWOW64\cmd.execmd /c start "" "C:\Users\Admin\AppData\Local\Temp\build.exe"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Users\Admin\AppData\Local\Temp\build.exe"C:\Users\Admin\AppData\Local\Temp\build.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1824
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
46B
MD5d648378bc23f00a4f2e5c02e91f09d3b
SHA1fc44a3bd1b3e53fd1390e206d55052cf650b9a6e
SHA256e0347e0c3700b3c09376af1356e8a52ff98f573cf83bfc4c9ba9fec70228cfda
SHA512f9abf64608ff9787e908d3e291b689f70a775562ea51ec8d4d8c69173772f3e9dccf9faa2dd78dde63cc1058d33a631a0a6ade1fb1291fbc23e7b26654e22e34
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Filesize
46B
MD5d28ab4a74d01df9ba4538a660cd25277
SHA17dbde03d71e8e21126ec55bfcc03431626974186
SHA256561388e767d8e211359095a02393f78937f75e64dea8f01ba82faba7e6b2cc11
SHA5126cc6092d06b7ecdc2e7908efa6d2187f77dada39f9b7bda8fee8136861fa4b64b71b21dfe724f739d52f8e3833d3e17ec4215b822c039361c4587c32342cd3f9
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Filesize
92KB
MD5105a14c6fce083e80f49b30db88ec915
SHA146187697a87562210e785917ce6ca16aeb4912b3
SHA2567e5adae008afee158168b1943fcc41157c7de63ab4792cc5eba8d1830edd6d65
SHA5122322eeeb100b644d53641ec3c1b0588579565636a2ea934924931f6f77b156b6d4e5925a2f36b0520e1f568d771860af53e9f3c39bb5238f7e7520389692c963
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Filesize
300KB
MD5c6e5f6c13c19e4f366c2f5c989965833
SHA15ccf4135651e28b54b7865ecc81a6924ce795371
SHA256db08c075bbe23490deb3f53b954a4751a562e9548c839ce170ff5ea76d059d5a
SHA512ca3cb032164bcc8d561113a409118fbae7da77ac8f29e7f663ac27837338525a82c0d8b482003e4ad76be9c052ccffa79a36249f371d05f1cd32cf29241050fb
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Filesize
241KB
MD5e02979ecd43bcc9061eb2b494ab5af50
SHA13122ac0e751660f646c73b10c4f79685aa65c545
SHA256a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a
SHA5121e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-523280732-2327480845-3730041215-1000\83aa4cc77f591dfc2374580bbd95f6ba_a5c5e2ae-85e3-447c-9e0b-c9a7b966d823
Filesize45B
MD5c8366ae350e7019aefc9d1e6e6a498c6
SHA15731d8a3e6568a5f2dfbbc87e3db9637df280b61
SHA25611e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238
SHA51233c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd
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Filesize
1.4MB
MD5acfb5b5fd9ee10bf69497792fd469f85
SHA10e0845217c4907822403912ad6828d8e0b256208
SHA256b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e
SHA512e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa
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Filesize
2.6MB
MD52f4a99c2758e72ee2b59a73586a2322f
SHA1af38e7c4d0fc73c23ecd785443705bfdee5b90bf
SHA25624d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5
SHA512b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494
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Filesize
4.1MB
MD5b33387e15ab150a7bf560abdc73c3bec
SHA166b8075784131f578ef893fd7674273f709b9a4c
SHA2562eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491
SHA51225cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279
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Filesize
772KB
MD5e1aa38a1e78a76a6de73efae136cdb3a
SHA1c463da71871f780b2e2e5dba115d43953b537daf
SHA2562ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609
SHA512fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d