Resubmissions
10-04-2024 02:28
240410-cyaxtsca43 1010-04-2024 02:28
240410-cx45aaca36 1010-04-2024 02:28
240410-cx4hrafc61 1010-04-2024 02:28
240410-cx37zsfc6y 1014-10-2023 01:16
231014-bm3ysshd6t 10Analysis
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max time kernel
299s -
max time network
306s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
10-04-2024 02:28
Behavioral task
behavioral1
Sample
m1f1f3a069223072f8d6802a079235d.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
m1f1f3a069223072f8d6802a079235d.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
m1f1f3a069223072f8d6802a079235d.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral4
Sample
m1f1f3a069223072f8d6802a079235d.exe
Resource
win11-20240221-en
General
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Target
m1f1f3a069223072f8d6802a079235d.exe
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Size
306KB
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MD5
4b36dcaa94c3eca48a6292bd670ffe79
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SHA1
705484e61ac39ba02cc80903be0da6ce74333334
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SHA256
c2e57e9b6e52a5429ae7a7bd36c57f63589d78fbf0ffe5760ada4a67b9fadec9
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SHA512
cf07d7f80264554eb3b945421ca41db38ff79707775d355d478c09f4b64d14f523339295aa4bc9b79c0dbb004e6756585bcf85edc8cbc2d16f7f0481be93513a
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SSDEEP
3072:71E/yXS0m2pOVLVewP2D/kIyC+mvXi1QJIkjXAToknBq9tT/8RJ6W3t3dpdQGqKI:7E2mDMtqa5EOTeKXAllKD9bmTneefA
Malware Config
Extracted
gurcu
https://api.telegram.org/bot6209822134:AAHQxD-CI1YDVcNbXijXHlonsEUgv3dfYtg/sendMessage?chat_id=-1001529292045
Signatures
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Checks computer location settings 2 TTPs 6 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation m1f1f3a069223072f8d6802a079235d.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation m1f1f3a069223072f8d6802a079235d.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation m1f1f3a069223072f8d6802a079235d.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation m1f1f3a069223072f8d6802a079235d.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation m1f1f3a069223072f8d6802a079235d.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation m1f1f3a069223072f8d6802a079235d.exe -
Executes dropped EXE 11 IoCs
pid Process 1824 m1f1f3a069223072f8d6802a079235d.exe 4740 m1f1f3a069223072f8d6802a079235d.exe 3332 tor.exe 1116 m1f1f3a069223072f8d6802a079235d.exe 5064 tor.exe 4508 m1f1f3a069223072f8d6802a079235d.exe 1156 tor.exe 1320 m1f1f3a069223072f8d6802a079235d.exe 2104 tor.exe 1600 m1f1f3a069223072f8d6802a079235d.exe 776 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-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 m1f1f3a069223072f8d6802a079235d.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 m1f1f3a069223072f8d6802a079235d.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 m1f1f3a069223072f8d6802a079235d.exe -
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 4592 schtasks.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4764 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1824 m1f1f3a069223072f8d6802a079235d.exe 1824 m1f1f3a069223072f8d6802a079235d.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 4112 m1f1f3a069223072f8d6802a079235d.exe Token: SeDebugPrivilege 1824 m1f1f3a069223072f8d6802a079235d.exe Token: SeDebugPrivilege 4740 m1f1f3a069223072f8d6802a079235d.exe Token: SeDebugPrivilege 1116 m1f1f3a069223072f8d6802a079235d.exe Token: SeDebugPrivilege 4508 m1f1f3a069223072f8d6802a079235d.exe Token: SeDebugPrivilege 1320 m1f1f3a069223072f8d6802a079235d.exe Token: SeDebugPrivilege 1600 m1f1f3a069223072f8d6802a079235d.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 4112 wrote to memory of 4788 4112 m1f1f3a069223072f8d6802a079235d.exe 93 PID 4112 wrote to memory of 4788 4112 m1f1f3a069223072f8d6802a079235d.exe 93 PID 4788 wrote to memory of 2388 4788 cmd.exe 96 PID 4788 wrote to memory of 2388 4788 cmd.exe 96 PID 4788 wrote to memory of 4764 4788 cmd.exe 97 PID 4788 wrote to memory of 4764 4788 cmd.exe 97 PID 4788 wrote to memory of 4592 4788 cmd.exe 99 PID 4788 wrote to memory of 4592 4788 cmd.exe 99 PID 4788 wrote to memory of 1824 4788 cmd.exe 100 PID 4788 wrote to memory of 1824 4788 cmd.exe 100 PID 1824 wrote to memory of 1860 1824 m1f1f3a069223072f8d6802a079235d.exe 106 PID 1824 wrote to memory of 1860 1824 m1f1f3a069223072f8d6802a079235d.exe 106 PID 1824 wrote to memory of 3332 1824 m1f1f3a069223072f8d6802a079235d.exe 109 PID 1824 wrote to memory of 3332 1824 m1f1f3a069223072f8d6802a079235d.exe 109 PID 1116 wrote to memory of 5064 1116 m1f1f3a069223072f8d6802a079235d.exe 116 PID 1116 wrote to memory of 5064 1116 m1f1f3a069223072f8d6802a079235d.exe 116 PID 4508 wrote to memory of 1156 4508 m1f1f3a069223072f8d6802a079235d.exe 122 PID 4508 wrote to memory of 1156 4508 m1f1f3a069223072f8d6802a079235d.exe 122 PID 1320 wrote to memory of 2104 1320 m1f1f3a069223072f8d6802a079235d.exe 127 PID 1320 wrote to memory of 2104 1320 m1f1f3a069223072f8d6802a079235d.exe 127 PID 1600 wrote to memory of 776 1600 m1f1f3a069223072f8d6802a079235d.exe 132 PID 1600 wrote to memory of 776 1600 m1f1f3a069223072f8d6802a079235d.exe 132 -
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-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 m1f1f3a069223072f8d6802a079235d.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 m1f1f3a069223072f8d6802a079235d.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\m1f1f3a069223072f8d6802a079235d.exe"C:\Users\Admin\AppData\Local\Temp\m1f1f3a069223072f8d6802a079235d.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4112 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C chcp 65001 && ping 127.0.0.1 && schtasks /create /tn "m1f1f3a069223072f8d6802a079235d" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\TeamViewer\m1f1f3a069223072f8d6802a079235d.exe" /rl HIGHEST /f && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\m1f1f3a069223072f8d6802a079235d.exe" &&START "" "C:\Users\Admin\AppData\Local\TeamViewer\m1f1f3a069223072f8d6802a079235d.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4788 -
C:\Windows\system32\chcp.comchcp 650013⤵PID:2388
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C:\Windows\system32\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4764
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C:\Windows\system32\schtasks.exeschtasks /create /tn "m1f1f3a069223072f8d6802a079235d" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\TeamViewer\m1f1f3a069223072f8d6802a079235d.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
PID:4592
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C:\Users\Admin\AppData\Local\TeamViewer\m1f1f3a069223072f8d6802a079235d.exe"C:\Users\Admin\AppData\Local\TeamViewer\m1f1f3a069223072f8d6802a079235d.exe"3⤵
- Checks computer location settings
- 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:1824 -
C:\Windows\System32\tar.exe"C:\Windows\System32\tar.exe" -xvzf "C:\Users\Admin\AppData\Local\Temp\tmpF04B.tmp" -C "C:\Users\Admin\AppData\Local\d67800nkmj"4⤵PID:1860
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C:\Users\Admin\AppData\Local\d67800nkmj\tor\tor.exe"C:\Users\Admin\AppData\Local\d67800nkmj\tor\tor.exe" -f "C:\Users\Admin\AppData\Local\d67800nkmj\torrc.txt"4⤵
- Executes dropped EXE
PID:3332
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C:\Users\Admin\AppData\Local\TeamViewer\m1f1f3a069223072f8d6802a079235d.exeC:\Users\Admin\AppData\Local\TeamViewer\m1f1f3a069223072f8d6802a079235d.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4740
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1416 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:81⤵PID:2888
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C:\Users\Admin\AppData\Local\TeamViewer\m1f1f3a069223072f8d6802a079235d.exeC:\Users\Admin\AppData\Local\TeamViewer\m1f1f3a069223072f8d6802a079235d.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1116 -
C:\Users\Admin\AppData\Local\d67800nkmj\tor\tor.exe"C:\Users\Admin\AppData\Local\d67800nkmj\tor\tor.exe" -f "C:\Users\Admin\AppData\Local\d67800nkmj\torrc.txt"2⤵
- Executes dropped EXE
PID:5064
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C:\Users\Admin\AppData\Local\TeamViewer\m1f1f3a069223072f8d6802a079235d.exeC:\Users\Admin\AppData\Local\TeamViewer\m1f1f3a069223072f8d6802a079235d.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4508 -
C:\Users\Admin\AppData\Local\d67800nkmj\tor\tor.exe"C:\Users\Admin\AppData\Local\d67800nkmj\tor\tor.exe" -f "C:\Users\Admin\AppData\Local\d67800nkmj\torrc.txt"2⤵
- Executes dropped EXE
PID:1156
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C:\Users\Admin\AppData\Local\TeamViewer\m1f1f3a069223072f8d6802a079235d.exeC:\Users\Admin\AppData\Local\TeamViewer\m1f1f3a069223072f8d6802a079235d.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1320 -
C:\Users\Admin\AppData\Local\d67800nkmj\tor\tor.exe"C:\Users\Admin\AppData\Local\d67800nkmj\tor\tor.exe" -f "C:\Users\Admin\AppData\Local\d67800nkmj\torrc.txt"2⤵
- Executes dropped EXE
PID:2104
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C:\Users\Admin\AppData\Local\TeamViewer\m1f1f3a069223072f8d6802a079235d.exeC:\Users\Admin\AppData\Local\TeamViewer\m1f1f3a069223072f8d6802a079235d.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1600 -
C:\Users\Admin\AppData\Local\d67800nkmj\tor\tor.exe"C:\Users\Admin\AppData\Local\d67800nkmj\tor\tor.exe" -f "C:\Users\Admin\AppData\Local\d67800nkmj\torrc.txt"2⤵
- Executes dropped EXE
PID:776
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
847B
MD53308a84a40841fab7dfec198b3c31af7
SHA14e7ab6336c0538be5dd7da529c0265b3b6523083
SHA256169bc31a8d1666535977ca170d246a463e6531bb21faab6c48cb4269d9d60b2e
SHA51297521d5fb94efdc836ea2723098a1f26a7589a76af51358eee17292d29c9325baf53ad6b4496c5ca3e208d1c9b9ad6797a370e2ae378072fc68f5d6e8b73b198
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Filesize
306KB
MD54b36dcaa94c3eca48a6292bd670ffe79
SHA1705484e61ac39ba02cc80903be0da6ce74333334
SHA256c2e57e9b6e52a5429ae7a7bd36c57f63589d78fbf0ffe5760ada4a67b9fadec9
SHA512cf07d7f80264554eb3b945421ca41db38ff79707775d355d478c09f4b64d14f523339295aa4bc9b79c0dbb004e6756585bcf85edc8cbc2d16f7f0481be93513a
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Filesize
13.3MB
MD589d2d5811c1aff539bb355f15f3ddad0
SHA15bb3577c25b6d323d927200c48cd184a3e27c873
SHA256b630008f6d3887793d48b87091e56691e292894dd4fa100dc4a418a2f29dcc12
SHA51239e576124c54143520c5435a2ef9b24506131e13403489c0692f09b89135015d611c4988d4772f8a1e6557fa68b4667d467334461009cee8c2227dfc3e295289
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Filesize
2.7MB
MD5a0db8a87f7b723266c8b04255da46b06
SHA14df00ea56d22d88f3d2e005ef66bad5b3ef92ebf
SHA25660b43cdce0f807f7891521f396f53def34a7d98986dbde0faa2a197189c587f3
SHA51241b8fc467d11af7ca6a42c7e94d1b8295ab3ae5d6d186b4f378e6e079440520e8324b695da1134beb2bc1697d2491edcc70c1b75ab6fc66b9c1cb2ecbcdb4a7d
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Filesize
20.4MB
MD561f3b29535702448213fc8f0ce1f01d6
SHA1cd6700fc1b27b80e131e12ef2e4ba70d01375303
SHA2568ecd31cb649c985e5d1efe5a3d952d2a5d38411ed72c59fa0bd93c8bd6906ed8
SHA5125fa174296b7fa057efc92e9dc83658a7bfce3fe9ae5ea7df765ebd8e00b1ccaea1d01b6c888ca875358ffa2fc2e5f32eb7bb0eb57bb18c74296a23ca988804a1
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Filesize
64B
MD542cd71e064ef0d7d549a2b5007057bd7
SHA1699f7e4febf2620ab633481420fe859a91b71dd7
SHA2560d06521db10fc7299fddd1bb94fe6103dcace28b6e63b21888092f378e847ef6
SHA51245710d543be7146b1b6ed06c4091f78ef6c85c62317b62bfa41abb3b985550c3cd3c6593a8965ecd3d353be2e5acead2eb07399a923d1d9e697a2fceb7ea97cd
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Filesize
4B
MD583da7c539e1ab4e759623c38d8737e9e
SHA1719a4259ce7449d0e18f62063ac07e550ccad238
SHA256f548d6697dd29f405ebb371d243002eb9babde9a3602aedbe5bc0d9ed1c6ff34
SHA512092673c1429aa0000fcdcb610f32979427eb39da5981e243392b3f7d07b40eb8ce29045f3be0ef8563dddba88e226a25cf350aa9125b38d4aa9499f52ff1ac08
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Filesize
7.4MB
MD588590909765350c0d70c6c34b1f31dd2
SHA1129b27c3926e53e5df6d44cc6adf39c3a8d9ebf7
SHA25646fe244b548265c78ab961e8f787bc8bf21edbcaaf175fa3b8be3137c6845a82
SHA512a8af08d9169a31a1c3419d4e6e8fbe608c800d323840563b5a560d3e09e78a492201f07cc0d3864efbff8ad81e59885fc43a6b749e0a3377aa8555df258af192
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Filesize
218B
MD5e13224c550d15d9bc87cf44652be569f
SHA1c920915db4874bad51ccc34d2308d21ca1d5fb75
SHA2566fbc1d3833c4f62e3485c4ba1d635cdae78cc96fdb36e277047eae01a4d91c1e
SHA512e672ef58a29d92e597a8f890a7c32dbc6375ae84bdb14feb2cf12ec6ed5b037650d8821d7e5fe83d842ab351894fb15291700ee3995942b1b127d2adb9d102a0