Analysis
- max time kernel
60s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
05/04/2022, 05:08
Static task
static1
Behavioral task
behavioral1
Sample
IRQ2107798pdf.exe
Resource
win7-20220331-en
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
IRQ2107798pdf.exe
Resource
win10v2004-en-20220113
0 signatures
0 seconds
General
- Target IRQ2107798pdf.exe
- Size 365KB
- Sample220405-fsjvbshff7
- SHA256 55631c19081f1770de475ae92b7d6c4a3ea3ee48b9528e9b787e959c9e9ea237
- MD5 053c54292f48ceca522859f15f8f4895
- SHA1 d8572a2f10d72780f1a1ff19c16043778bbcac41
- SHA512 64bdb383b131b3ce285f3ed43972a044bbb290726a79f35e6be39f88f7232dc5069674802ea5d9f61b2ab7ed55b5b7303161fd21c6874d8c754f818ca1bcc47c
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Extracted
Family
-
lokibot
C2
-
http://164.90.194.235/?id=58098847226041972
-
http://kbfvzoboss.bid/alien/fre.php
-
http://alphastand.trade/alien/fre.php
-
http://alphastand.win/alien/fre.php
-
http://alphastand.top/alien/fre.php
Signatures
- Executes dropped EXE 2 IoCs
pid Process 4304 bzrnkto.exe 3108 bzrnkto.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook bzrnkto.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook bzrnkto.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook bzrnkto.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4304 set thread context of 3108 4304 bzrnkto.exe 81 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3108 bzrnkto.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3184 wrote to memory of 4304 3184 IRQ2107798pdf.exe 80 PID 3184 wrote to memory of 4304 3184 IRQ2107798pdf.exe 80 PID 3184 wrote to memory of 4304 3184 IRQ2107798pdf.exe 80 PID 4304 wrote to memory of 3108 4304 bzrnkto.exe 81 PID 4304 wrote to memory of 3108 4304 bzrnkto.exe 81 PID 4304 wrote to memory of 3108 4304 bzrnkto.exe 81 PID 4304 wrote to memory of 3108 4304 bzrnkto.exe 81 PID 4304 wrote to memory of 3108 4304 bzrnkto.exe 81 PID 4304 wrote to memory of 3108 4304 bzrnkto.exe 81 PID 4304 wrote to memory of 3108 4304 bzrnkto.exe 81 PID 4304 wrote to memory of 3108 4304 bzrnkto.exe 81 PID 4304 wrote to memory of 3108 4304 bzrnkto.exe 81 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook bzrnkto.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook bzrnkto.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\IRQ2107798pdf.exe"C:\Users\Admin\AppData\Local\Temp\IRQ2107798pdf.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3184 -
C:\Users\Admin\AppData\Local\Temp\bzrnkto.exeC:\Users\Admin\AppData\Local\Temp\bzrnkto.exe C:\Users\Admin\AppData\Local\Temp\qqwhtrhtv2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4304 -
C:\Users\Admin\AppData\Local\Temp\bzrnkto.exeC:\Users\Admin\AppData\Local\Temp\bzrnkto.exe C:\Users\Admin\AppData\Local\Temp\qqwhtrhtv3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3108
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\bzrnkto.exe
- Size 4KB
- SHA256 a0a90f4e07de8db9378a82b29b2b53debc813f05e8d98f5571b7a202bcfc775a
- MD5 13842fa95a14611187ae346389f2b533
- SHA1 44b42d16cb7136151178c7492cf24c8c4ca03c5d
- SHA512 5a62c5df9785c25c34518e70aed5cf64f03d3efe9587ef7529efe974ec42040ae27578625d0a9d0e68760d1754a3a81a91cf7131ce88b0939d42b0164147ab2d
- SSDEEP 96:BhSuWzx0rPe070SAmYWr+MSiWEeqhJ604MYAq:H1WaB4xqQ/IH604MYA
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\bzrnkto.exe
- Size 4KB
- SHA256 a0a90f4e07de8db9378a82b29b2b53debc813f05e8d98f5571b7a202bcfc775a
- MD5 13842fa95a14611187ae346389f2b533
- SHA1 44b42d16cb7136151178c7492cf24c8c4ca03c5d
- SHA512 5a62c5df9785c25c34518e70aed5cf64f03d3efe9587ef7529efe974ec42040ae27578625d0a9d0e68760d1754a3a81a91cf7131ce88b0939d42b0164147ab2d
- SSDEEP 96:BhSuWzx0rPe070SAmYWr+MSiWEeqhJ604MYAq:H1WaB4xqQ/IH604MYA
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\bzrnkto.exe
- Size 4KB
- SHA256 a0a90f4e07de8db9378a82b29b2b53debc813f05e8d98f5571b7a202bcfc775a
- MD5 13842fa95a14611187ae346389f2b533
- SHA1 44b42d16cb7136151178c7492cf24c8c4ca03c5d
- SHA512 5a62c5df9785c25c34518e70aed5cf64f03d3efe9587ef7529efe974ec42040ae27578625d0a9d0e68760d1754a3a81a91cf7131ce88b0939d42b0164147ab2d
- SSDEEP 96:BhSuWzx0rPe070SAmYWr+MSiWEeqhJ604MYAq:H1WaB4xqQ/IH604MYA
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\eknfpm7ljbivg6m
- Size 210KB
- SHA256 37046b945c0a7cc7861974a412483638076cd2013ee29c20bdd98f3088622710
- MD5 9a8eeb993e7eef3755d636323ec1b4d6
- SHA1 a98fdf92eaa4389615fb3753c5a369653106b9f2
- SHA512 e6370f861a1158475bd0e4b014191013971837a339ee60ea879fd41c3c331187f93639fafd2f600c078422a359263f2716927dbfbc96fac7865eaa44c876a47e
- SSDEEP 6144:hTx1WV7rTwmmdNemDpQ4PATdUTMjhRkLfpKt1JKjaJUm7a:hm9rf+Q4PATdURpEEj6Um+
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\qqwhtrhtv
- Size 5KB
- SHA256 4922a233bcee21c43ea6966af288314e3b87671b4c11ff09bb8eb5abbb934578
- MD5 6fa98b8047feb98a8477f0d98a05e153
- SHA1 1972ddc688abacf271d54ce980519bdc6998ab7f
- SHA512 49d89558d2c6a383153b84a8710de1300496da47eda128e30907231f58fa70e9c799b8c485994ebaa9af8eab3eab25f44d34ba2593bef50ff798b1423b19bc5b
- SSDEEP 96:ZQIdJW5Cbb/pBIXuNGf3twCaTgWdU0e3+1tIcoGN1dPWqBXALSDxQu:Zy8PAKKtwCscOE8DPFXAex7
- MD5 SHA1 SHA512 SSDEEP