Analysis
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max time kernel
169s -
max time network
195s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
16-06-2022 06:42
Static task
static1
Behavioral task
behavioral1
Sample
26f74094da97889dce937502510a764403abc38f383ed94ee9acced4bb1d4927.exe
Resource
win7-20220414-en
General
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Target
26f74094da97889dce937502510a764403abc38f383ed94ee9acced4bb1d4927.exe
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Size
1.8MB
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MD5
7971391f80b709bc26b72ebb39f4da44
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SHA1
9138609c2823f0f286c3e11d72c228b14e79a14b
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SHA256
26f74094da97889dce937502510a764403abc38f383ed94ee9acced4bb1d4927
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SHA512
9c0c19dfbbac72d8c9024b72091cbf781d45008918ea98211d87fae2299ff6debc84e2c1aee96d5a30b1e9f28e1f7391bec03c1f38e1d29d03bb84abbb124100
Malware Config
Extracted
C:\Users\Admin\AppData\Roaming\x86_microsoft-windows-n..meworkapi.resources\1\Information.txt
qulab
http://teleg.run/QulabZ
Signatures
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ACProtect 1.3x - 1.4x DLL software 2 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x0004000000000737-131.dat acprotect behavioral2/files/0x0004000000000737-132.dat acprotect -
Executes dropped EXE 1 IoCs
pid Process 4736 NlsLexicons0049.module.exe -
Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 3944 attrib.exe -
resource yara_rule behavioral2/files/0x0004000000000737-131.dat upx behavioral2/files/0x0004000000000737-132.dat upx behavioral2/files/0x00080000000231cf-138.dat upx behavioral2/files/0x00080000000231cf-139.dat upx behavioral2/memory/4736-142-0x0000000000400000-0x000000000047D000-memory.dmp upx behavioral2/memory/4736-143-0x0000000000400000-0x000000000047D000-memory.dmp upx -
Loads dropped DLL 2 IoCs
pid Process 4260 NlsLexicons0049.exe 4260 NlsLexicons0049.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 cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 27 ipapi.co 49 ipapi.co 26 ipapi.co -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\winmgmts:\localhost\ NlsLexicons0049.exe File opened for modification C:\Windows\SysWOW64\winmgmts:\localhost\ NlsLexicons0049.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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NTFS ADS 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Local\Temp\winmgmts:\localhost\ 26f74094da97889dce937502510a764403abc38f383ed94ee9acced4bb1d4927.exe File opened for modification C:\Users\Admin\AppData\Roaming\x86_microsoft-windows-n..meworkapi.resources\winmgmts:\localhost\ NlsLexicons0049.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4260 NlsLexicons0049.exe 4260 NlsLexicons0049.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2612 26f74094da97889dce937502510a764403abc38f383ed94ee9acced4bb1d4927.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeRestorePrivilege 4736 NlsLexicons0049.module.exe Token: 35 4736 NlsLexicons0049.module.exe Token: SeSecurityPrivilege 4736 NlsLexicons0049.module.exe Token: SeSecurityPrivilege 4736 NlsLexicons0049.module.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2612 wrote to memory of 4260 2612 26f74094da97889dce937502510a764403abc38f383ed94ee9acced4bb1d4927.exe 80 PID 2612 wrote to memory of 4260 2612 26f74094da97889dce937502510a764403abc38f383ed94ee9acced4bb1d4927.exe 80 PID 2612 wrote to memory of 4260 2612 26f74094da97889dce937502510a764403abc38f383ed94ee9acced4bb1d4927.exe 80 PID 4260 wrote to memory of 4736 4260 NlsLexicons0049.exe 88 PID 4260 wrote to memory of 4736 4260 NlsLexicons0049.exe 88 PID 4260 wrote to memory of 4736 4260 NlsLexicons0049.exe 88 PID 4260 wrote to memory of 3944 4260 NlsLexicons0049.exe 90 PID 4260 wrote to memory of 3944 4260 NlsLexicons0049.exe 90 PID 4260 wrote to memory of 3944 4260 NlsLexicons0049.exe 90 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 3944 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\26f74094da97889dce937502510a764403abc38f383ed94ee9acced4bb1d4927.exe"C:\Users\Admin\AppData\Local\Temp\26f74094da97889dce937502510a764403abc38f383ed94ee9acced4bb1d4927.exe"1⤵
- NTFS ADS
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2612 -
C:\Users\Admin\AppData\Roaming\x86_microsoft-windows-n..meworkapi.resources\NlsLexicons0049.exeC:\Users\Admin\AppData\Roaming\x86_microsoft-windows-n..meworkapi.resources\NlsLexicons0049.exe2⤵
- Loads dropped DLL
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4260 -
C:\Users\Admin\AppData\Roaming\x86_microsoft-windows-n..meworkapi.resources\NlsLexicons0049.module.exeC:\Users\Admin\AppData\Roaming\x86_microsoft-windows-n..meworkapi.resources\NlsLexicons0049.module.exe a -y -mx9 -ssw "C:\Users\Admin\AppData\Roaming\x86_microsoft-windows-n..meworkapi.resources\ENU_801FE97C5F89A74E9D41.7z" "C:\Users\Admin\AppData\Roaming\x86_microsoft-windows-n..meworkapi.resources\1\*"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4736
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C:\Windows\SysWOW64\attrib.exeattrib +s +h "C:\Users\Admin\AppData\Roaming\x86_microsoft-windows-n..meworkapi.resources"3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:3944
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C:\Users\Admin\AppData\Roaming\x86_microsoft-windows-n..meworkapi.resources\NlsLexicons0049.exeC:\Users\Admin\AppData\Roaming\x86_microsoft-windows-n..meworkapi.resources\NlsLexicons0049.exe1⤵
- Drops file in System32 directory
PID:3684
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C:\Users\Admin\AppData\Roaming\x86_microsoft-windows-n..meworkapi.resources\NlsLexicons0049.exeC:\Users\Admin\AppData\Roaming\x86_microsoft-windows-n..meworkapi.resources\NlsLexicons0049.exe1⤵
- Drops file in System32 directory
PID:3624
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
3KB
MD53815eafbbec957f662f6324b9d2a9563
SHA1fa08b00941c9bae7263a847a4acd6169d9a25fdc
SHA2566fdf82fde9b23ccf87570c6e8e205198b6af438b78a31fcc33133a8f007d6746
SHA51275e3d11318c39801ca4671a309f4afcf0b5e28b592cfbb27995d676e25cd5dd7a5300aea82a92648f1d85fd5440c289cd4a3ecbf32843a8fcc7cb5758c7093db
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Filesize
47KB
MD5c7b2bf02883188c98b374789e66d14a8
SHA1510ff097258c11755088ecfbf85750c6ecf7d9ef
SHA25648ad3b8e433ea972de56223890b102a728ecb3092bca295f92f3e9c5075460b6
SHA5121801aeaa2733eb6ae1b84eaef87aac9e8caf68c630f234f3a62324acd8934c2098bf457dec145a431265810f638ad3f6275544c7ccd9e9547300191be6d6a41c
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C:\Users\Admin\AppData\Roaming\x86_microsoft-windows-n..meworkapi.resources\NlsLexicons0049.module.exe
Filesize197KB
MD5946285055913d457fda78a4484266e96
SHA1668661955bf3c20b9dc8cdaa7ec6e8dbbbd63285
SHA25623ca34a7d22fdb7d36014928c089c982cdfb903e9143aea60d38f228c9594beb
SHA51230a490b774d5736215b340d3a192825dc1dfbb7c8d9974c8ab2a09eff2429ed7cf99969ec6d651c8056549798da092ffa600681288dbd7c6f60515acd3630d95
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C:\Users\Admin\AppData\Roaming\x86_microsoft-windows-n..meworkapi.resources\NlsLexicons0049.module.exe
Filesize197KB
MD5946285055913d457fda78a4484266e96
SHA1668661955bf3c20b9dc8cdaa7ec6e8dbbbd63285
SHA25623ca34a7d22fdb7d36014928c089c982cdfb903e9143aea60d38f228c9594beb
SHA51230a490b774d5736215b340d3a192825dc1dfbb7c8d9974c8ab2a09eff2429ed7cf99969ec6d651c8056549798da092ffa600681288dbd7c6f60515acd3630d95
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C:\Users\Admin\AppData\Roaming\x86_microsoft-windows-n..meworkapi.resources\NlsLexicons0049.sqlite3.module.dll
Filesize360KB
MD58c127ce55bfbb55eb9a843c693c9f240
SHA175c462c935a7ff2c90030c684440d61d48bb1858
SHA2564f93f3543139febb91e0c95dc9351008e9147a484732ee5962c7df64f6868028
SHA512d3578bd7ef01f9e25983c24eb9bb33f25c37d650cc79b823c3ec19f196d4a00deb506c1e1f774f15e5664d5263b02570fec11b322022b90a0ff1b10943188a02
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C:\Users\Admin\AppData\Roaming\x86_microsoft-windows-n..meworkapi.resources\NlsLexicons0049.sqlite3.module.dll
Filesize360KB
MD58c127ce55bfbb55eb9a843c693c9f240
SHA175c462c935a7ff2c90030c684440d61d48bb1858
SHA2564f93f3543139febb91e0c95dc9351008e9147a484732ee5962c7df64f6868028
SHA512d3578bd7ef01f9e25983c24eb9bb33f25c37d650cc79b823c3ec19f196d4a00deb506c1e1f774f15e5664d5263b02570fec11b322022b90a0ff1b10943188a02