Analysis
- max time kernel
149s - max time network
124s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
05/04/2026, 03:51
General
- Target 2026-04-05_d4c404f2959d81b7cf51daeb8aaa1ecd_amadey_cobalt-strike_elex_icedid_njrat_redline-stealer_r.exe
- Size 794KB
- Sample260405-eexzcshw9r
- SHA256 9a0fa1db6ace20bfa9f3460d5d8fbb286a9c22f349c75385a96b49f684b3983f
Malware Config
Extracted
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djvu
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http://zexeq.com/raud/get.php
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extension
.kiwm
-
offline_id
iIlWwF8bQ6n1I71JdbwrJ0LNue9L0IeEoD6KAJt1
-
payload_url
http://uaery.top/dl/build2.exe
http://zexeq.com/files/1/build3.exe
-
ransomnote
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Signatures
- Detected Djvu ransomware 21 IoCs
- Djvu Ransomware
Ransomware which is a variant of the STOP family.
- Djvu family
- Executes dropped EXE 2 IoCs
- Modifies file permissions 1 TTPs 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of WriteProcessMemory 23 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2026-04-05_d4c404f2959d81b7cf51daeb8aaa1ecd_amadey_cobalt-strike_elex_icedid_njrat_redline-stealer_r.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-05_d4c404f2959d81b7cf51daeb8aaa1ecd_amadey_cobalt-strike_elex_icedid_njrat_redline-stealer_r.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2026-04-05_d4c404f2959d81b7cf51daeb8aaa1ecd_amadey_cobalt-strike_elex_icedid_njrat_redline-stealer_r.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-05_d4c404f2959d81b7cf51daeb8aaa1ecd_amadey_cobalt-strike_elex_icedid_njrat_redline-stealer_r.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\a9b10b92-d93c-4338-8f0c-9840a1741003" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Temp\2026-04-05_d4c404f2959d81b7cf51daeb8aaa1ecd_amadey_cobalt-strike_elex_icedid_njrat_redline-stealer_r.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-05_d4c404f2959d81b7cf51daeb8aaa1ecd_amadey_cobalt-strike_elex_icedid_njrat_redline-stealer_r.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\2026-04-05_d4c404f2959d81b7cf51daeb8aaa1ecd_amadey_cobalt-strike_elex_icedid_njrat_redline-stealer_r.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-05_d4c404f2959d81b7cf51daeb8aaa1ecd_amadey_cobalt-strike_elex_icedid_njrat_redline-stealer_r.exe" --Admin IsNotAutoStart IsNotTask4⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
-
-
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C:\Users\Admin\AppData\Local\a9b10b92-d93c-4338-8f0c-9840a1741003\2026-04-05_d4c404f2959d81b7cf51daeb8aaa1ecd_amadey_cobalt-strike_elex_icedid_njrat_redline-stealer_r.exeC:\Users\Admin\AppData\Local\a9b10b92-d93c-4338-8f0c-9840a1741003\2026-04-05_d4c404f2959d81b7cf51daeb8aaa1ecd_amadey_cobalt-strike_elex_icedid_njrat_redline-stealer_r.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\a9b10b92-d93c-4338-8f0c-9840a1741003\2026-04-05_d4c404f2959d81b7cf51daeb8aaa1ecd_amadey_cobalt-strike_elex_icedid_njrat_redline-stealer_r.exeC:\Users\Admin\AppData\Local\a9b10b92-d93c-4338-8f0c-9840a1741003\2026-04-05_d4c404f2959d81b7cf51daeb8aaa1ecd_amadey_cobalt-strike_elex_icedid_njrat_redline-stealer_r.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
8B2B9A00839EED1DFDCCC3BFC2F5DF12
B46811C17859FFB409CF0E904A4AA8F8
8B2B9A00839EED1DFDCCC3BFC2F5DF12
B46811C17859FFB409CF0E904A4AA8F8
2026-04-05_d4c404f2959d81b7cf51daeb8aaa1ecd_amadey_cobalt-strike_elex_icedid_njrat_redline-stealer_r.exe
bowsakkdestx.txt
build3.exe
memory/432-39-0x0000000000400000-0x0000000000537000-memory.dmp
memory/432-43-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1436-27-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1436-69-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1436-71-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1436-26-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1436-73-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1436-72-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1436-68-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1436-61-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1436-25-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1436-57-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1436-74-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1436-42-0x0000000000400000-0x0000000000537000-memory.dmp
memory/1436-41-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5200-30-0x0000000000400000-0x0000000000535000-memory.dmp
memory/5200-28-0x00000000022E0000-0x00000000023A2000-memory.dmp
memory/5200-23-0x0000000000400000-0x0000000000535000-memory.dmp
memory/5200-22-0x0000000000400000-0x0000000000535000-memory.dmp
memory/5200-29-0x0000000000400000-0x0000000000535000-memory.dmp
memory/5888-4-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5888-7-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5888-5-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5888-3-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5888-21-0x0000000003900000-0x0000000003D3B000-memory.dmp
memory/5888-18-0x0000000000400000-0x0000000000537000-memory.dmp
memory/5912-6-0x00000000024A0000-0x0000000002562000-memory.dmp
memory/5912-1-0x00000000022E0000-0x000000000237C000-memory.dmp
memory/5912-2-0x0000000002380000-0x000000000249B000-memory.dmp
memory/5928-40-0x00000000024D0000-0x0000000002592000-memory.dmp