Resubmissions
10-04-2024 02:49
240410-da1n1sfe7v 1010-04-2024 02:49
240410-daz3gscc34 1010-04-2024 02:48
240410-dazfyscc32 1010-04-2024 02:48
240410-dayvesfe7s 1014-10-2023 03:45
231014-ea62gage69 10Analysis
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max time kernel
591s -
max time network
603s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
10-04-2024 02:48
Behavioral task
behavioral1
Sample
B9a5797cb584014f3fede.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
B9a5797cb584014f3fede.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
B9a5797cb584014f3fede.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral4
Sample
B9a5797cb584014f3fede.exe
Resource
win11-20240221-en
General
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Target
B9a5797cb584014f3fede.exe
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Size
530KB
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MD5
862e7aeb18ba5892f51b5712a213a614
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SHA1
99d86e4247f52c3ea9b2bb476af66dfc7707fa8d
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SHA256
44eca198c64197c511441f644895afd6a2777c28bcb6a376d4d4623b030ced31
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SHA512
678fc8fb5dc887f41db90e6341229ce35c830ffac4cbb91ea669ab5e8bc849bae05c15909ae62e4dfd3a249bb2ff062eaa0e256989fe203863db0396c60ec713
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SSDEEP
6144:XHClm6SWPoK5Z0EwVSmRPQd/t/a2zDGVPJXvnzZjDJHb571Kjn1929XDccHd8JyO:XHCnZxb88RatpvnzZjDv7oj19yTNTY
Malware Config
Extracted
gurcu
https://api.telegram.org/bot6176004110:AAFKA5be4dMwA848HWxzYIzrzzOGIHMOJGc/sendMessage?chat_id=615133582
Signatures
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Executes dropped EXE 22 IoCs
pid Process 2936 B9a5797cb584014f3fede.exe 3880 tor.exe 1040 B9a5797cb584014f3fede.exe 1256 tor.exe 4480 B9a5797cb584014f3fede.exe 2824 tor.exe 4024 B9a5797cb584014f3fede.exe 1612 tor.exe 588 B9a5797cb584014f3fede.exe 2692 tor.exe 1728 B9a5797cb584014f3fede.exe 1912 tor.exe 2924 B9a5797cb584014f3fede.exe 3320 tor.exe 3408 B9a5797cb584014f3fede.exe 4064 tor.exe 2292 B9a5797cb584014f3fede.exe 2116 tor.exe 1940 B9a5797cb584014f3fede.exe 844 tor.exe 2028 B9a5797cb584014f3fede.exe 3560 tor.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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 B9a5797cb584014f3fede.exe Key opened \REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 B9a5797cb584014f3fede.exe Key opened \REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 B9a5797cb584014f3fede.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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 3 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3928 schtasks.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4864 PING.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2936 B9a5797cb584014f3fede.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 2440 B9a5797cb584014f3fede.exe Token: SeDebugPrivilege 2936 B9a5797cb584014f3fede.exe Token: SeDebugPrivilege 1040 B9a5797cb584014f3fede.exe Token: SeDebugPrivilege 4480 B9a5797cb584014f3fede.exe Token: SeDebugPrivilege 4024 B9a5797cb584014f3fede.exe Token: SeDebugPrivilege 588 B9a5797cb584014f3fede.exe Token: SeDebugPrivilege 1728 B9a5797cb584014f3fede.exe Token: SeDebugPrivilege 2924 B9a5797cb584014f3fede.exe Token: SeDebugPrivilege 3408 B9a5797cb584014f3fede.exe Token: SeDebugPrivilege 2292 B9a5797cb584014f3fede.exe Token: SeDebugPrivilege 1940 B9a5797cb584014f3fede.exe Token: SeDebugPrivilege 2028 B9a5797cb584014f3fede.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 2440 wrote to memory of 776 2440 B9a5797cb584014f3fede.exe 78 PID 2440 wrote to memory of 776 2440 B9a5797cb584014f3fede.exe 78 PID 776 wrote to memory of 2812 776 cmd.exe 80 PID 776 wrote to memory of 2812 776 cmd.exe 80 PID 776 wrote to memory of 4864 776 cmd.exe 81 PID 776 wrote to memory of 4864 776 cmd.exe 81 PID 776 wrote to memory of 3928 776 cmd.exe 82 PID 776 wrote to memory of 3928 776 cmd.exe 82 PID 776 wrote to memory of 2936 776 cmd.exe 83 PID 776 wrote to memory of 2936 776 cmd.exe 83 PID 2936 wrote to memory of 1528 2936 B9a5797cb584014f3fede.exe 85 PID 2936 wrote to memory of 1528 2936 B9a5797cb584014f3fede.exe 85 PID 2936 wrote to memory of 3880 2936 B9a5797cb584014f3fede.exe 87 PID 2936 wrote to memory of 3880 2936 B9a5797cb584014f3fede.exe 87 PID 1040 wrote to memory of 1256 1040 B9a5797cb584014f3fede.exe 90 PID 1040 wrote to memory of 1256 1040 B9a5797cb584014f3fede.exe 90 PID 4480 wrote to memory of 2824 4480 B9a5797cb584014f3fede.exe 96 PID 4480 wrote to memory of 2824 4480 B9a5797cb584014f3fede.exe 96 PID 4024 wrote to memory of 1612 4024 B9a5797cb584014f3fede.exe 101 PID 4024 wrote to memory of 1612 4024 B9a5797cb584014f3fede.exe 101 PID 588 wrote to memory of 2692 588 B9a5797cb584014f3fede.exe 106 PID 588 wrote to memory of 2692 588 B9a5797cb584014f3fede.exe 106 PID 1728 wrote to memory of 1912 1728 B9a5797cb584014f3fede.exe 111 PID 1728 wrote to memory of 1912 1728 B9a5797cb584014f3fede.exe 111 PID 2924 wrote to memory of 3320 2924 B9a5797cb584014f3fede.exe 116 PID 2924 wrote to memory of 3320 2924 B9a5797cb584014f3fede.exe 116 PID 3408 wrote to memory of 4064 3408 B9a5797cb584014f3fede.exe 121 PID 3408 wrote to memory of 4064 3408 B9a5797cb584014f3fede.exe 121 PID 2292 wrote to memory of 2116 2292 B9a5797cb584014f3fede.exe 126 PID 2292 wrote to memory of 2116 2292 B9a5797cb584014f3fede.exe 126 PID 1940 wrote to memory of 844 1940 B9a5797cb584014f3fede.exe 131 PID 1940 wrote to memory of 844 1940 B9a5797cb584014f3fede.exe 131 PID 2028 wrote to memory of 3560 2028 B9a5797cb584014f3fede.exe 136 PID 2028 wrote to memory of 3560 2028 B9a5797cb584014f3fede.exe 136 -
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.
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outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 B9a5797cb584014f3fede.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 B9a5797cb584014f3fede.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\B9a5797cb584014f3fede.exe"C:\Users\Admin\AppData\Local\Temp\B9a5797cb584014f3fede.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2440 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C chcp 65001 && ping 127.0.0.1 && schtasks /create /tn "B9a5797cb584014f3fede" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exe" /rl HIGHEST /f && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\B9a5797cb584014f3fede.exe" &&START "" "C:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:776 -
C:\Windows\system32\chcp.comchcp 650013⤵PID:2812
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C:\Windows\system32\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4864
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C:\Windows\system32\schtasks.exeschtasks /create /tn "B9a5797cb584014f3fede" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
PID:3928
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C:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exe"C:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2936 -
C:\Windows\System32\tar.exe"C:\Windows\System32\tar.exe" -xvzf "C:\Users\Admin\AppData\Local\Temp\tmp4B41.tmp" -C "C:\Users\Admin\AppData\Local\gzrj1xdnai"4⤵PID:1528
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C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe"C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe" -f "C:\Users\Admin\AppData\Local\gzrj1xdnai\torrc.txt"4⤵
- Executes dropped EXE
PID:3880
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C:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exeC:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1040 -
C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe"C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe" -f "C:\Users\Admin\AppData\Local\gzrj1xdnai\torrc.txt"2⤵
- Executes dropped EXE
PID:1256
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C:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exeC:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4480 -
C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe"C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe" -f "C:\Users\Admin\AppData\Local\gzrj1xdnai\torrc.txt"2⤵
- Executes dropped EXE
PID:2824
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C:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exeC:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4024 -
C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe"C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe" -f "C:\Users\Admin\AppData\Local\gzrj1xdnai\torrc.txt"2⤵
- Executes dropped EXE
PID:1612
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C:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exeC:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:588 -
C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe"C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe" -f "C:\Users\Admin\AppData\Local\gzrj1xdnai\torrc.txt"2⤵
- Executes dropped EXE
PID:2692
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C:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exeC:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe"C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe" -f "C:\Users\Admin\AppData\Local\gzrj1xdnai\torrc.txt"2⤵
- Executes dropped EXE
PID:1912
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C:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exeC:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2924 -
C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe"C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe" -f "C:\Users\Admin\AppData\Local\gzrj1xdnai\torrc.txt"2⤵
- Executes dropped EXE
PID:3320
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C:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exeC:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3408 -
C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe"C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe" -f "C:\Users\Admin\AppData\Local\gzrj1xdnai\torrc.txt"2⤵
- Executes dropped EXE
PID:4064
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C:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exeC:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2292 -
C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe"C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe" -f "C:\Users\Admin\AppData\Local\gzrj1xdnai\torrc.txt"2⤵
- Executes dropped EXE
PID:2116
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C:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exeC:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1940 -
C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe"C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe" -f "C:\Users\Admin\AppData\Local\gzrj1xdnai\torrc.txt"2⤵
- Executes dropped EXE
PID:844
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C:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exeC:\Users\Admin\AppData\Local\Nvidia\B9a5797cb584014f3fede.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe"C:\Users\Admin\AppData\Local\gzrj1xdnai\tor\tor.exe" -f "C:\Users\Admin\AppData\Local\gzrj1xdnai\torrc.txt"2⤵
- Executes dropped EXE
PID:3560
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
847B
MD5486ebddc86ea8b3e965d390d22283a23
SHA1eaffc047f067084867e8575c576a9ec60e094ba8
SHA25650a57273ecb794e53b0622eb841341e2643c11f53fa47356e6e754ab2268171d
SHA5120a50ba02250b38355a6f4fb94e40c61258a74031d9aea7cdf675f3e068f39ec0748ecf292aaf2f94b1963b9d66516ee79aa6c552617048e248774af0ff07189d
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Filesize
530KB
MD5862e7aeb18ba5892f51b5712a213a614
SHA199d86e4247f52c3ea9b2bb476af66dfc7707fa8d
SHA25644eca198c64197c511441f644895afd6a2777c28bcb6a376d4d4623b030ced31
SHA512678fc8fb5dc887f41db90e6341229ce35c830ffac4cbb91ea669ab5e8bc849bae05c15909ae62e4dfd3a249bb2ff062eaa0e256989fe203863db0396c60ec713
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Filesize
13.3MB
MD589d2d5811c1aff539bb355f15f3ddad0
SHA15bb3577c25b6d323d927200c48cd184a3e27c873
SHA256b630008f6d3887793d48b87091e56691e292894dd4fa100dc4a418a2f29dcc12
SHA51239e576124c54143520c5435a2ef9b24506131e13403489c0692f09b89135015d611c4988d4772f8a1e6557fa68b4667d467334461009cee8c2227dfc3e295289
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Filesize
2.6MB
MD58155dd4a16697830a63d507d2666b2a9
SHA1e07a54b15c905cd1d9d41db3ccde3bade36bcdb4
SHA2566b4f443629c32b632d8ad7bcb17d84da1e4eaec556dccdf98c5e9051cb404fed
SHA5120cb6c3fa12cbe7f8e63c5c73c0665fc2593109801ba318c582c4bd1c14dfd27fff3252c22b9078040e743ec788ad9534856c72ca5e38d992d9cb5aeacf819e6f
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Filesize
7.8MB
MD542680acb5b722d31206254ef781b2434
SHA19b5d9a19e287858adeb30df12847c84aa208d8f4
SHA256b39e48e5b159ca3f7dc5fb51583493ddc1260fd1df0f22ecc054a34cd6b6213c
SHA5121b92ba80cb98afbf4adb4f2dc3d0cc499e92089dba3b480168f00659e5d7966499f93e747b76f29ffff30648c9c9425591efacc6239d07dd10dd93cc405bd4d4
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Filesize
64B
MD578a08af3d56f27a82b8493e74f362eac
SHA1d706f631acaceccbc539329888afb6b3f3756d56
SHA25601fe4993b4297f47a4d15e237c7d071b7adb0d3c971128a8e583547609981158
SHA512e160379a5d42e0b8b96c3e8cf17b13bcf3047ec33a9e8efc5594fbd32fdd91e5a1eb2ef7ef42f486b9c364cbe5b13d94c0174d8bec839336d6b18c642ceb5cf4
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Filesize
4B
MD549ef08ad6e7f26d7f200e1b2b9e6e4ac
SHA17e06c1fd759ac5b6978e692a2b7e433cb83982bb
SHA256dd5744ec739737eec7efcca1f0bf99bb5a1c894f565db45a64622ffb4f61f61a
SHA512b6590f933796bfb81219f629ae0f8f1795121bd725c2f4ea90d882fa1af7291887f619da149a21233c9f1c9e86a037f6ace5ed6340112c5131575b11463c992d
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Filesize
7.4MB
MD588590909765350c0d70c6c34b1f31dd2
SHA1129b27c3926e53e5df6d44cc6adf39c3a8d9ebf7
SHA25646fe244b548265c78ab961e8f787bc8bf21edbcaaf175fa3b8be3137c6845a82
SHA512a8af08d9169a31a1c3419d4e6e8fbe608c800d323840563b5a560d3e09e78a492201f07cc0d3864efbff8ad81e59885fc43a6b749e0a3377aa8555df258af192
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Filesize
218B
MD517dda0b8a79be1c5108dea86085c39e6
SHA11aa95f97cc353ab7174244e2a30b1204961b20e1
SHA256bc7832eb19dc2e369eef572ee21612deaedc8fc70f1716291fc50f827ddb94e9
SHA5126f069619731b0054d90df566e06ccfcc24f005caa8f04ca5d7924cf143521e47fa10c34d9e97aaa2ade5eb6cd0239ac7d66941c6544cc4c560456de0cf1d6609