Analysis
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max time kernel
130s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
09-03-2022 07:47
Static task
static1
Behavioral task
behavioral1
Sample
010207d4463874eabd3808b12355e24acab67ff55c93c075625c2a05e481fd31.exe
Resource
win7-20220223-en
Behavioral task
behavioral2
Sample
010207d4463874eabd3808b12355e24acab67ff55c93c075625c2a05e481fd31.exe
Resource
win10v2004-en-20220113
General
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Target
010207d4463874eabd3808b12355e24acab67ff55c93c075625c2a05e481fd31.exe
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Size
428KB
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MD5
17311685b626728febd2b02b10bef166
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SHA1
44220969370c56ffa1dd54c1c3252ccfde8a50d2
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SHA256
010207d4463874eabd3808b12355e24acab67ff55c93c075625c2a05e481fd31
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SHA512
9ace3b7efc7f6e017b6451f73083680c629b8bac4bbbdaab3e3d6b641b4baec721342bf278183fecb2924f4f2fd8d303d6b4caa80f7ccffd261b35f26b420491
Malware Config
Extracted
jester
fanyze
http://jesterdcuxzbey4xvlwwheoecpltru5be2mzuk4w7a7nrhckdjjhrbyd.onion/report/fanyze
https://api.anonfiles.com/upload?token=d26d620842507144
f9999b04-5f6b-47c3-830e-f07171c30d02
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license_key
9A554B1F2269B7AF81AF6B074943117B
Signatures
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Executes dropped EXE 2 IoCs
Processes:
Jester.exeTor.exepid process 2728 Jester.exe 2168 Tor.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
010207d4463874eabd3808b12355e24acab67ff55c93c075625c2a05e481fd31.exeJester.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation 010207d4463874eabd3808b12355e24acab67ff55c93c075625c2a05e481fd31.exe Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation Jester.exe -
Loads dropped DLL 10 IoCs
Processes:
Tor.exepid process 2168 Tor.exe 2168 Tor.exe 2168 Tor.exe 2168 Tor.exe 2168 Tor.exe 2168 Tor.exe 2168 Tor.exe 2168 Tor.exe 2168 Tor.exe 2168 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
Processes:
Jester.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Jester.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Jester.exe Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Jester.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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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.
Processes:
flow ioc 20 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
Jester.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 Jester.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier Jester.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
Jester.exepid process 2728 Jester.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Jester.exedescription pid process Token: SeDebugPrivilege 2728 Jester.exe -
Suspicious use of WriteProcessMemory 27 IoCs
Processes:
010207d4463874eabd3808b12355e24acab67ff55c93c075625c2a05e481fd31.exeJester.execmd.execmd.execmd.exedescription pid process target process PID 376 wrote to memory of 2728 376 010207d4463874eabd3808b12355e24acab67ff55c93c075625c2a05e481fd31.exe Jester.exe PID 376 wrote to memory of 2728 376 010207d4463874eabd3808b12355e24acab67ff55c93c075625c2a05e481fd31.exe Jester.exe PID 2728 wrote to memory of 1324 2728 Jester.exe cmd.exe PID 2728 wrote to memory of 1324 2728 Jester.exe cmd.exe PID 1324 wrote to memory of 4788 1324 cmd.exe chcp.com PID 1324 wrote to memory of 4788 1324 cmd.exe chcp.com PID 1324 wrote to memory of 4644 1324 cmd.exe netsh.exe PID 1324 wrote to memory of 4644 1324 cmd.exe netsh.exe PID 1324 wrote to memory of 4776 1324 cmd.exe findstr.exe PID 1324 wrote to memory of 4776 1324 cmd.exe findstr.exe PID 2728 wrote to memory of 4864 2728 Jester.exe cmd.exe PID 2728 wrote to memory of 4864 2728 Jester.exe cmd.exe PID 4864 wrote to memory of 4256 4864 cmd.exe chcp.com PID 4864 wrote to memory of 4256 4864 cmd.exe chcp.com PID 4864 wrote to memory of 1216 4864 cmd.exe netsh.exe PID 4864 wrote to memory of 1216 4864 cmd.exe netsh.exe PID 4864 wrote to memory of 4372 4864 cmd.exe findstr.exe PID 4864 wrote to memory of 4372 4864 cmd.exe findstr.exe PID 2728 wrote to memory of 2168 2728 Jester.exe Tor.exe PID 2728 wrote to memory of 2168 2728 Jester.exe Tor.exe PID 2728 wrote to memory of 2168 2728 Jester.exe Tor.exe PID 2728 wrote to memory of 2500 2728 Jester.exe cmd.exe PID 2728 wrote to memory of 2500 2728 Jester.exe cmd.exe PID 2500 wrote to memory of 2852 2500 cmd.exe chcp.com PID 2500 wrote to memory of 2852 2500 cmd.exe chcp.com PID 2500 wrote to memory of 632 2500 cmd.exe PING.EXE PID 2500 wrote to memory of 632 2500 cmd.exe PING.EXE -
outlook_office_path 1 IoCs
Processes:
Jester.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Jester.exe -
outlook_win_path 1 IoCs
Processes:
Jester.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Jester.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\010207d4463874eabd3808b12355e24acab67ff55c93c075625c2a05e481fd31.exe"C:\Users\Admin\AppData\Local\Temp\010207d4463874eabd3808b12355e24acab67ff55c93c075625c2a05e481fd31.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:376 -
C:\Users\Admin\AppData\Local\Temp\Jester.exe"C:\Users\Admin\AppData\Local\Temp\Jester.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2728 -
C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All3⤵
- Suspicious use of WriteProcessMemory
PID:1324 -
C:\Windows\system32\chcp.comchcp 650014⤵PID:4788
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C:\Windows\system32\netsh.exenetsh wlan show profile4⤵PID:4644
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C:\Windows\system32\findstr.exefindstr All4⤵PID:4776
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /C chcp 65001 && netsh wlan show profile name="65001" key=clear | findstr Key3⤵
- Suspicious use of WriteProcessMemory
PID:4864 -
C:\Windows\system32\chcp.comchcp 650014⤵PID:4256
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C:\Windows\system32\netsh.exenetsh wlan show profile name="65001" key=clear4⤵PID:1216
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C:\Windows\system32\findstr.exefindstr Key4⤵PID:4372
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C:\Users\Admin\AppData\Local\Temp\Tor\Tor.exe"C:\Users\Admin\AppData\Local\Temp\Tor\Tor.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2168
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C chcp 65001 && ping 127.0.0.1 && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\Jester.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\Windows\system32\chcp.comchcp 650014⤵PID:2852
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C:\Windows\system32\PING.EXEping 127.0.0.14⤵
- Runs ping.exe
PID:632
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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MD5
b7061d79323a4795c17c4ddda7e46da4
SHA1c529ceec64e01721078de2d710dc15d694918266
SHA2563168f18432106cfaf21f48598c1b26b1026de7a0bac69ae548c79dec67be7853
SHA5128c7e531c46f8a41021e73b2c10b19ab7ef90ea4f4d0ed8b2f65def2945be005aeae96c94fa5fde6225ed768fbc7c5bdb52654a6b5b2adaf88dc3700722675bf8
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MD5
b7061d79323a4795c17c4ddda7e46da4
SHA1c529ceec64e01721078de2d710dc15d694918266
SHA2563168f18432106cfaf21f48598c1b26b1026de7a0bac69ae548c79dec67be7853
SHA5128c7e531c46f8a41021e73b2c10b19ab7ef90ea4f4d0ed8b2f65def2945be005aeae96c94fa5fde6225ed768fbc7c5bdb52654a6b5b2adaf88dc3700722675bf8
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MD5
67ab12cf6cabc14588e4f51b21c2134a
SHA132a4ff564f38bf4b62007e419f19c991e60d6e14
SHA256f0aaae0364306bb7a4681d01935c96c2ac76b3576b7982990f86bcaf811a45ba
SHA5122a1c67e9d23d6b050e35c5a8e159309cf598095239406c60a9f721fddc912e21afab7036cbd9f77197cc4241df5f8fa6aa9d7294762659178c6edeb4699d5bec
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MD5
3406f79392c47a72bed2f0067b3ce466
SHA1a8e2940d61fc840441c4e2a835959d197929ffdf
SHA256e4b6b2ca32b1e2ba26959ec7380c4f117418d3a724f60494ff3cb81505fbf43d
SHA512930d794aa8715dcd23fafbead7fe2ec95d2863783b4c52279870cad93d5b6cf02ba8a13e2653d2bf731e9882bf63f43a7e44788ce47505346be3fe8e8b872fa4
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MD5
3406f79392c47a72bed2f0067b3ce466
SHA1a8e2940d61fc840441c4e2a835959d197929ffdf
SHA256e4b6b2ca32b1e2ba26959ec7380c4f117418d3a724f60494ff3cb81505fbf43d
SHA512930d794aa8715dcd23fafbead7fe2ec95d2863783b4c52279870cad93d5b6cf02ba8a13e2653d2bf731e9882bf63f43a7e44788ce47505346be3fe8e8b872fa4
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MD5
3406f79392c47a72bed2f0067b3ce466
SHA1a8e2940d61fc840441c4e2a835959d197929ffdf
SHA256e4b6b2ca32b1e2ba26959ec7380c4f117418d3a724f60494ff3cb81505fbf43d
SHA512930d794aa8715dcd23fafbead7fe2ec95d2863783b4c52279870cad93d5b6cf02ba8a13e2653d2bf731e9882bf63f43a7e44788ce47505346be3fe8e8b872fa4
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MD5
a3bf8e33948d94d490d4613441685eee
SHA175ed7f6e2855a497f45b15270c3ad4aed6ad02e2
SHA25691c812a33871e40b264761f1418e37ebfeb750fe61ca00cbcbe9f3769a8bf585
SHA512c20ef2efcacb5f8c7e2464de7fde68bf610ab2e0608ff4daed9bf676996375db99bee7e3f26c5bd6cca63f9b2d889ed5460ec25004130887cd1a90b892be2b28
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MD5
a3bf8e33948d94d490d4613441685eee
SHA175ed7f6e2855a497f45b15270c3ad4aed6ad02e2
SHA25691c812a33871e40b264761f1418e37ebfeb750fe61ca00cbcbe9f3769a8bf585
SHA512c20ef2efcacb5f8c7e2464de7fde68bf610ab2e0608ff4daed9bf676996375db99bee7e3f26c5bd6cca63f9b2d889ed5460ec25004130887cd1a90b892be2b28
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MD5
bd40ff3d0ce8d338a1fe4501cd8e9a09
SHA13aae8c33bf0ec9adf5fbf8a361445969de409b49
SHA256ebda776a2a353f8f0690b1c7706b0cdaff3d23e1618515d45e451fc19440501c
SHA512404fb3c107006b832b8e900f6e27873324cd0a7946cdccf4ffeea365a725892d929e8b160379af9782bcd6cfeb4c3c805740e21280b42bb2ce8f39f26792e5a1
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MD5
bd40ff3d0ce8d338a1fe4501cd8e9a09
SHA13aae8c33bf0ec9adf5fbf8a361445969de409b49
SHA256ebda776a2a353f8f0690b1c7706b0cdaff3d23e1618515d45e451fc19440501c
SHA512404fb3c107006b832b8e900f6e27873324cd0a7946cdccf4ffeea365a725892d929e8b160379af9782bcd6cfeb4c3c805740e21280b42bb2ce8f39f26792e5a1
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MD5
bd40ff3d0ce8d338a1fe4501cd8e9a09
SHA13aae8c33bf0ec9adf5fbf8a361445969de409b49
SHA256ebda776a2a353f8f0690b1c7706b0cdaff3d23e1618515d45e451fc19440501c
SHA512404fb3c107006b832b8e900f6e27873324cd0a7946cdccf4ffeea365a725892d929e8b160379af9782bcd6cfeb4c3c805740e21280b42bb2ce8f39f26792e5a1
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MD5
9e3d55fbf890c6cbffd836f2aef4ba31
SHA1715890ba3bda3431470cca4f4bc492c0f63fa138
SHA256e6f4cf41373e8770c670cf5e85461f25385314ed9d8a2b37381bc84f5c0dd5c0
SHA5129848f28fd96c21dd054cbf3e722e56373696c1f7803c137afc7c7203325d9738fa6b984d95cd49ff78a6d95c8f9406f869af3c3783901da3cc003e2b09497d65
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MD5
9e3d55fbf890c6cbffd836f2aef4ba31
SHA1715890ba3bda3431470cca4f4bc492c0f63fa138
SHA256e6f4cf41373e8770c670cf5e85461f25385314ed9d8a2b37381bc84f5c0dd5c0
SHA5129848f28fd96c21dd054cbf3e722e56373696c1f7803c137afc7c7203325d9738fa6b984d95cd49ff78a6d95c8f9406f869af3c3783901da3cc003e2b09497d65
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MD5
b77328da7cead5f4623748a70727860d
SHA113b33722c55cca14025b90060e3227db57bf5327
SHA25646541d9e28c18bc11267630920b97c42f104c258b55e2f62e4a02bcd5f03e0e7
SHA5122f1bd13357078454203092ed5ddc23a8baa5e64202fba1e4f98eacf1c3c184616e527468a96ff36d98b9324426dddfa20b62b38cf95c6f5c0dc32513ebace9e2
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MD5
b77328da7cead5f4623748a70727860d
SHA113b33722c55cca14025b90060e3227db57bf5327
SHA25646541d9e28c18bc11267630920b97c42f104c258b55e2f62e4a02bcd5f03e0e7
SHA5122f1bd13357078454203092ed5ddc23a8baa5e64202fba1e4f98eacf1c3c184616e527468a96ff36d98b9324426dddfa20b62b38cf95c6f5c0dc32513ebace9e2
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MD5
b77328da7cead5f4623748a70727860d
SHA113b33722c55cca14025b90060e3227db57bf5327
SHA25646541d9e28c18bc11267630920b97c42f104c258b55e2f62e4a02bcd5f03e0e7
SHA5122f1bd13357078454203092ed5ddc23a8baa5e64202fba1e4f98eacf1c3c184616e527468a96ff36d98b9324426dddfa20b62b38cf95c6f5c0dc32513ebace9e2
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MD5
19d7cc4377f3c09d97c6da06fbabc7dc
SHA13a3ba8f397fb95ed5df22896b2c53a326662fcc9
SHA256228fcfe9ed0574b8da32dd26eaf2f5dbaef0e1bd2535cb9b1635212ccdcbf84d
SHA51223711285352cdec6815b5dd6e295ec50568fab7614706bc8d5328a4a0b62991c54b16126ed9e522471d2367b6f32fa35feb41bfa77b3402680d9a69f53962a4a
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MD5
19d7cc4377f3c09d97c6da06fbabc7dc
SHA13a3ba8f397fb95ed5df22896b2c53a326662fcc9
SHA256228fcfe9ed0574b8da32dd26eaf2f5dbaef0e1bd2535cb9b1635212ccdcbf84d
SHA51223711285352cdec6815b5dd6e295ec50568fab7614706bc8d5328a4a0b62991c54b16126ed9e522471d2367b6f32fa35feb41bfa77b3402680d9a69f53962a4a
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MD5
67ab12cf6cabc14588e4f51b21c2134a
SHA132a4ff564f38bf4b62007e419f19c991e60d6e14
SHA256f0aaae0364306bb7a4681d01935c96c2ac76b3576b7982990f86bcaf811a45ba
SHA5122a1c67e9d23d6b050e35c5a8e159309cf598095239406c60a9f721fddc912e21afab7036cbd9f77197cc4241df5f8fa6aa9d7294762659178c6edeb4699d5bec
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MD5
6f98da9e33cd6f3dd60950413d3638ac
SHA1e630bdf8cebc165aa81464ff20c1d55272d05675
SHA256219d9d5bf0de4c2251439c89dd5f2959ee582e7f9f7d5ff66a29c88753a3a773
SHA5122983faaf7f47a8f79a38122aa617e65e7deddd19ba9a98b62acf17b48e5308099b852f21aaf8ca6fe11e2cc76c36eed7ffa3307877d4e67b1659fe6e4475205c
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MD5
6f98da9e33cd6f3dd60950413d3638ac
SHA1e630bdf8cebc165aa81464ff20c1d55272d05675
SHA256219d9d5bf0de4c2251439c89dd5f2959ee582e7f9f7d5ff66a29c88753a3a773
SHA5122983faaf7f47a8f79a38122aa617e65e7deddd19ba9a98b62acf17b48e5308099b852f21aaf8ca6fe11e2cc76c36eed7ffa3307877d4e67b1659fe6e4475205c