Analysis
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max time kernel
191s -
max time network
194s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
18-04-2023 19:35
Static task
static1
Behavioral task
behavioral1
Sample
Mercurial.exe
Resource
win10-20230220-en
General
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Target
Mercurial.exe
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Size
3.2MB
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MD5
a9477b3e21018b96fc5d2264d4016e65
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SHA1
493fa8da8bf89ea773aeb282215f78219a5401b7
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SHA256
890fd59af3370e2ce12e0d11916d1ad4ee9b9c267c434347dbed11e9572e8645
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SHA512
66529a656865400fe37d40ae125a1d057f8be5aa17da80d367ebbe1a9dcea38f5174870d0dc5b56771f6ca5a13e2fad22d803f5357f3ef59a46e3bdf0cc5ee9c
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SSDEEP
98304:5kjozJ9/im8XVBKl6t1buVfRhq+5tXzgCa/T:lzJpjS346t1bIfuq07
Malware Config
Signatures
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Mercurial Grabber Stealer
Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
Processes:
output.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions output.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
Processes:
output.exedescription ioc process Key opened \REGISTRY\MACHINE\SOFTWARE\VMWare, Inc.\VMWare Tools output.exe -
Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
output.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion output.exe -
Executes dropped EXE 1 IoCs
Processes:
output.exepid process 4996 output.exe -
Obfuscated with Agile.Net obfuscator 11 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
Processes:
resource yara_rule behavioral1/memory/2408-126-0x0000000005A40000-0x0000000005A5C000-memory.dmp agile_net behavioral1/memory/2408-127-0x0000000005BA0000-0x0000000005BC0000-memory.dmp agile_net behavioral1/memory/2408-128-0x0000000005BC0000-0x0000000005BE0000-memory.dmp agile_net behavioral1/memory/2408-129-0x0000000005BE0000-0x0000000005BF0000-memory.dmp agile_net behavioral1/memory/2408-130-0x0000000005C10000-0x0000000005C24000-memory.dmp agile_net behavioral1/memory/2408-131-0x0000000005C70000-0x0000000005CDE000-memory.dmp agile_net behavioral1/memory/2408-132-0x0000000005C30000-0x0000000005C4E000-memory.dmp agile_net behavioral1/memory/2408-133-0x0000000005CE0000-0x0000000005D16000-memory.dmp agile_net behavioral1/memory/2408-134-0x0000000005D30000-0x0000000005D3E000-memory.dmp agile_net behavioral1/memory/2408-135-0x0000000005D40000-0x0000000005D4E000-memory.dmp agile_net behavioral1/memory/2408-136-0x0000000006470000-0x00000000065BA000-memory.dmp agile_net -
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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Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 7 ip4.seeip.org 8 ip4.seeip.org 9 ip4.seeip.org 11 ip-api.com -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
output.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum output.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum\0 output.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4140 4996 WerFault.exe output.exe -
Checks SCSI registry key(s) 3 TTPs 1 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
output.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_VMware_&Prod_VMware_Virtual_S output.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
output.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 output.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString output.exe -
Enumerates system info in registry 2 TTPs 4 IoCs
Processes:
output.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosInformation output.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemManufacturer output.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemProductName output.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Logical Unit Id 0 output.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
Mercurial.exepid process 2408 Mercurial.exe 2408 Mercurial.exe 2408 Mercurial.exe 2408 Mercurial.exe 2408 Mercurial.exe 2408 Mercurial.exe 2408 Mercurial.exe 2408 Mercurial.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Mercurial.exeoutput.exedescription pid process Token: SeDebugPrivilege 2408 Mercurial.exe Token: SeDebugPrivilege 4996 output.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
Mercurial.execsc.exedescription pid process target process PID 2408 wrote to memory of 4684 2408 Mercurial.exe csc.exe PID 2408 wrote to memory of 4684 2408 Mercurial.exe csc.exe PID 2408 wrote to memory of 4684 2408 Mercurial.exe csc.exe PID 4684 wrote to memory of 2892 4684 csc.exe cvtres.exe PID 4684 wrote to memory of 2892 4684 csc.exe cvtres.exe PID 4684 wrote to memory of 2892 4684 csc.exe cvtres.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Mercurial.exe"C:\Users\Admin\AppData\Local\Temp\Mercurial.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2408 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\5ajgrwl1\5ajgrwl1.cmdline"2⤵
- Suspicious use of WriteProcessMemory
PID:4684 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES6C66.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCB0EF215E766F40BBAD94D7AC5C1D1CC.TMP"3⤵PID:2892
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4408
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C:\Users\Admin\AppData\Local\Temp\output.exe"C:\Users\Admin\AppData\Local\Temp\output.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Executes dropped EXE
- Maps connected drives based on registry
- Checks SCSI registry key(s)
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:4996 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 4996 -s 19202⤵
- Program crash
PID:4140
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD5c66e66ebc0490d029b297769ba2d2256
SHA1687ed6585cac2b8ec6b4bc98714ce1752499e928
SHA25694e2efa2bd6480d7265d08379c82c50182c3e6b0230a3a70e9c674d5c664705a
SHA512c182d16e4ddd57677e8419c12db68bfd9318d74da7a64d5eec58720a789526ab3ff971e282b13e9876a41e3b506dad4d5cbff48f83f5fc70604fca42f34c6c41
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Filesize
41KB
MD5bf67d5e42d55899ea800e6daa3afd271
SHA1cea9873cfb4da568802595046fc81956a2c830ed
SHA256f7a544151a58d3955b70deb0b476741d9842024a417bb0b055d353cf652f06d5
SHA512263f58b57a844c4610ec563344742aa474b93b716e0a72f8e6b8303841c74665ccb2919ea9ff2b16f1980f1e709b7a77b6472956198e84740de2a6ebea3c5539
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Filesize
41KB
MD5bf67d5e42d55899ea800e6daa3afd271
SHA1cea9873cfb4da568802595046fc81956a2c830ed
SHA256f7a544151a58d3955b70deb0b476741d9842024a417bb0b055d353cf652f06d5
SHA512263f58b57a844c4610ec563344742aa474b93b716e0a72f8e6b8303841c74665ccb2919ea9ff2b16f1980f1e709b7a77b6472956198e84740de2a6ebea3c5539
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Filesize
11KB
MD56e09c67b55a62916fc9204eff6877bf0
SHA15bdd02efc746008dbbb8704eecffbf34136b8695
SHA256a4962989573ad9ff719db89381e95c64f6e0be84f31d20d346a2df632b9c9adf
SHA512362aa38ddffeea66f1cb2ba7d42e2f0754c9b1b28a8e7b0f794ebcfc74043349e5ee9e2b58720af89d3612e0d6931b47ac12f11be274ca271227e8e622ef01e2
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Filesize
5KB
MD58aab1997664a604aca551b20202bfd14
SHA1279cf8f218069cbf4351518ad6df9a783ca34bc5
SHA256029f57fa483bbcee0dd5464e0d4d89bd03032161424d0ffd1da2b3d5db15977f
SHA512cf0efea853d7e1997dcfcc9a73668ed9a5ac01cf22cbb7082a05abc141fccc7c92a936b245666071df75389cd7ebe60dc99b3c21279173fe12888a99034a5eda
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Filesize
7KB
MD56fdae9afc1f8e77e882f1ba6b5859a4e
SHA133eb96f75ffe9a1c4f94388e7465b997320265a5
SHA256a365264dd2d3388acc38b2f5c8f3c267bbf83ca463f70fbf6c8459123a7cc33d
SHA51297bb77e8c9c7a1a46fa416a917787ddced3439f72ea35558f22fa2450fbbd11928f3442baec0b33b14576683baa6c1c6b3e1376bd7742da358c808bf07db28e9
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Filesize
8KB
MD56ba707982ee7e5f0ae55ce3fa5ccad17
SHA1d094c98491058ed49861ce82701abe1f38385f18
SHA25619af9bea270f830354af8250cd82db32fdcab6327d139e2720713fb7d43a5797
SHA512d9cf480c32bfb806c72a2dc6fe211c4806388ccf548d55b059e633e8f814d46c80ef73eacfb02398fd3b1e75b7c44b8a1ba0b29476edbf9fe1b29322798d3cfa
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Filesize
2KB
MD5fae5458a5b3cee952e25d44d6eb9db85
SHA1060d40137e9cce9f40adbb3b3763d1f020601e42
SHA256240478bb9c522341906a0ef376e0188ce6106856a26a3ae0f7b58af07a377a06
SHA51225f406f747518aef3a1c5c3d66e8bd474429b05ef994303c5f7bc5d3669d691d9dc21ea8f8a35e20b84f8c406bf89835f2f5007a8f743df755e67b4c380fa236
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Filesize
4KB
MD542f157ad8e79e06a142791d6e98e0365
SHA1a05e8946e04907af3f631a7de1537d7c1bb34443
SHA256e30402cd45589982489719678adf59b016674faa6f7a9af074601e978cc9a0ed
SHA512e214e1cd49e677e1ed632e86e4d1680b0d04a7a0086a273422c14c28485dc549cc5b4bde13e45336f0c4b842751dfd6ef702df3524bc6570c477a4f713db09dc
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Filesize
6KB
MD58ec0f0e49ffe092345673ab4d9f45641
SHA1401bd9e2894e9098504f7cc8f8d52f86c3ebe495
SHA25693b9f783b5faed3ecfafbe20dfcf1bee3ce33f66909879cd39ae88c36acbdfac
SHA51260363b36587a3ace9ae1dbc21ffd39f903e5f51945eebdcf0316904eee316c9d711d7a014b28977d54eef25dec13f659aab06325f761d9f3ce9baca3cb12f248
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Filesize
16KB
MD505206d577ce19c1ef8d9341b93cd5520
SHA11ee5c862592045912eb45f9d94376f47b5410d3d
SHA256e2bbdc7ba4236f9c4cb829d63137fdac3a308fd5da96acea35212beafe01b877
SHA5124648fa7ea0a35a148e9dac1f659601ebf48910ca699ed9ef8d46614c7cbe14fcf47fa30dc87af53b987934a2a56cd71fd0e58182ef36a97ed47bd84637b54855
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Filesize
561B
MD57ae06a071e39d392c21f8395ef5a9261
SHA1007e618097c9a099c9f5c3129e5bbf1fc7deb930
SHA25600e152629bdbf25a866f98e6fc30626d2514527beef1b76ebb85b1f5f9c83718
SHA5125203c937597e51b97273040fe441392e0df7841f680fcca0d761ac6d47b72d02c8918614f030fbf23d8a58cb5625b702546e4c6f93e130cc5d3b41c154c42655
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Filesize
10KB
MD5380d15f61b0e775054eefdce7279510d
SHA147285dc55dafd082edd1851eea8edc2f7a1d0157
SHA256bef491a61351ad58cda96b73dba70027fdbe4966917e33145ba5cfa8c83bc717
SHA512d4cbaad29d742d55926fea6b3fa1cf754c3e71736e763d9271dc983e08fce5251fa849d4ecdc1187c29f92e27adab22b8f99791e46302b5d9c2e90b832c28c28
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Filesize
833B
MD5522cc5c5b1c0f3840523f6b6dcd2aa21
SHA1e5631a8d56074a4be221dfed52095c1eff99bd90
SHA25613542baf6d5bf8abfe3c7b13e5a9e7f977d09ba1379628b483c707102a65a9bf
SHA512bcccb203750984b0592ff51b996ef154747094768cd640388116013b02d90977465aca2727061e5b14d7ff7a88b952dbc2e61fbddbc55a511a232918e263faa2
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Filesize
1KB
MD52c8070f084ff635f9e016b831cd6ef16
SHA184d8287a21eaf176ebd7b3efe8571b3862de873a
SHA256535d007133ddae112030480aac0b6954d4aac98bcd69b0ef192a010770564a4f
SHA512f7dd550984e579912cf8fa688c53985308862954688b44482c83c05d61274519812a5ea9b6ddcfcd8972d117c8e3edfa6da0e23f3c8ea17ef0bdab80bf0d4c1f