Analysis
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max time kernel
140s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
09-06-2022 05:17
Static task
static1
Behavioral task
behavioral1
Sample
15ff00f9d644342888ec15b5fd8fe6baab954132564c41c451af49a197aa0a2b.exe
Resource
win7-20220414-en
General
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Target
15ff00f9d644342888ec15b5fd8fe6baab954132564c41c451af49a197aa0a2b.exe
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Size
1.8MB
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MD5
2e6b84195a0d30252d268dd9bae5caf5
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SHA1
2340d228452fbbe0beaaa5850b50a7f66208adf9
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SHA256
15ff00f9d644342888ec15b5fd8fe6baab954132564c41c451af49a197aa0a2b
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SHA512
34944c6a3796ea73e15a98ffaa00e4911dec8497644af768bb06a2afe73527431b0848ad44399c74b691ffd54566bc23807ed2f36f0e44b70d4121eb789e4b9e
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/0x000700000002314c-131.dat acprotect behavioral2/files/0x000700000002314c-132.dat acprotect -
Executes dropped EXE 1 IoCs
pid Process 4404 NlsLexicons0049.module.exe -
Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 1392 attrib.exe -
resource yara_rule behavioral2/files/0x000700000002314c-131.dat upx behavioral2/files/0x000700000002314c-132.dat upx behavioral2/memory/3980-133-0x0000000061E00000-0x0000000061ED2000-memory.dmp upx behavioral2/memory/3980-134-0x0000000061E00000-0x0000000061ED2000-memory.dmp upx behavioral2/memory/3980-135-0x0000000061E00000-0x0000000061ED2000-memory.dmp upx behavioral2/files/0x000400000000071f-137.dat upx behavioral2/files/0x000400000000071f-138.dat upx behavioral2/memory/4404-141-0x0000000000400000-0x000000000047D000-memory.dmp upx -
Loads dropped DLL 2 IoCs
pid Process 3980 NlsLexicons0049.exe 3980 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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 15 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\Roaming\x86_microsoft-windows-n..meworkapi.resources\winmgmts:\localhost\ NlsLexicons0049.exe File opened for modification C:\Users\Admin\AppData\Local\Temp\winmgmts:\localhost\ 15ff00f9d644342888ec15b5fd8fe6baab954132564c41c451af49a197aa0a2b.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3980 NlsLexicons0049.exe 3980 NlsLexicons0049.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3368 15ff00f9d644342888ec15b5fd8fe6baab954132564c41c451af49a197aa0a2b.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeRestorePrivilege 4404 NlsLexicons0049.module.exe Token: 35 4404 NlsLexicons0049.module.exe Token: SeSecurityPrivilege 4404 NlsLexicons0049.module.exe Token: SeSecurityPrivilege 4404 NlsLexicons0049.module.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3368 wrote to memory of 3980 3368 15ff00f9d644342888ec15b5fd8fe6baab954132564c41c451af49a197aa0a2b.exe 78 PID 3368 wrote to memory of 3980 3368 15ff00f9d644342888ec15b5fd8fe6baab954132564c41c451af49a197aa0a2b.exe 78 PID 3368 wrote to memory of 3980 3368 15ff00f9d644342888ec15b5fd8fe6baab954132564c41c451af49a197aa0a2b.exe 78 PID 3980 wrote to memory of 4404 3980 NlsLexicons0049.exe 81 PID 3980 wrote to memory of 4404 3980 NlsLexicons0049.exe 81 PID 3980 wrote to memory of 4404 3980 NlsLexicons0049.exe 81 PID 3980 wrote to memory of 1392 3980 NlsLexicons0049.exe 84 PID 3980 wrote to memory of 1392 3980 NlsLexicons0049.exe 84 PID 3980 wrote to memory of 1392 3980 NlsLexicons0049.exe 84 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 1392 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\15ff00f9d644342888ec15b5fd8fe6baab954132564c41c451af49a197aa0a2b.exe"C:\Users\Admin\AppData\Local\Temp\15ff00f9d644342888ec15b5fd8fe6baab954132564c41c451af49a197aa0a2b.exe"1⤵
- NTFS ADS
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3368 -
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:3980 -
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_801FE97294A87C4E9D41.7z" "C:\Users\Admin\AppData\Roaming\x86_microsoft-windows-n..meworkapi.resources\1\*"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4404
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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:1392
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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:4932
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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:5008
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
3KB
MD5d07653a7ec1c8be6ab831ac4707cc988
SHA1a94c488b9320140b0d3b07658223a7a52cc5ecbc
SHA2565420d7b13dc8359e3d71bd293fc0305d784142a527b72a1487ba0ceec8e57930
SHA5124df2bd8dcb90f4dcf470b986460cba1ee642d1d84b2f00449582f09413168e422e7e4291ca59f9a02c01b92f05a263978b48787b9c3fe1289cf0987bd384e03e
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Filesize
49KB
MD500f99c236dc49cb228b3b52282cd97de
SHA1d4630cb1098bc872e895c9c7924368985b4a60e9
SHA2560ca0fabd290468176a242f2d1d5572fe28e5d4e379ff1636cfe2bad4876e3d64
SHA5129a7d14e5c07c0099c03560e9404e0c6f416b7bb7629b157f1368da72ff97d7481dfe692733632e1b1c3d1cfb85cee744aa5ba8e4b952ee5d60aa3825e6ddb376
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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