Analysis
-
max time kernel
150s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
28-01-2023 14:36
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20221111-en
General
-
Target
tmp.exe
-
Size
330KB
-
MD5
58a93d1d064b9e8265ea798531adb0bf
-
SHA1
d5e30f238fabd304d30ba2c726c71fb47765b494
-
SHA256
d036c4b1a4ff6265030084d453558c56f6a2d19b5a6af25943c47bc96895891c
-
SHA512
c5e9c0e07ea8904a45011380836ff8f0b936954729df4fb18f62414322f5815ec8ebc5803729a13b783cf87a5bd723fc821405e3579e017c7b19059e57f76bfb
-
SSDEEP
6144:PYa69K+mD7y0q2hhBCH4m6Qx8qQ5+/ucZiE2TZPwc7j0W6KmZE0HOkv/kBa:PYnUD71qc+6Q+qQuu/Tn396KmLDv/
Malware Config
Extracted
formbook
poub
WY0eksfISzRg4O6c+opnGL6gaw==
moRjn9ExtYi8UmUo+Tya
2vME+GedoxzFnuLXesUoVj4=
EvW4JWJ1NQ8nN3tA3SM=
2mK9efMZMgN1VOs=
8d0jua5b0J6AQEW7
/2cyThOd37DSTYMASDye4Q0t/Vs=
ral+tbIh2KKAQEW7
YLY9jsPtYB/FRmMo+Tya
R1WcElWAMtFxFrVqtZT2ZpIS9xRZNho=
KFXGg/T1pCC9GjrxUPTcjw==
8mMlK5nDwjjPFTP5jMtAtQ0t/Vs=
c7am8nhhlCo=
UW91trZj6dENxuRdpxOvW1Cf
sjOMUcvq6lYJCZEfV4euFzY=
62nBgPjdmWQkmWElww==
64E8JqA1aruSUvw=
NqI1reXpcR+REye0
8+y1oOsbjgSyEhjXUPTcjw==
Rx9by8gNBwN1VOs=
Muif0yE4CQN1VOs=
VEt6//SsIukFo46EOTs=
Z8su52MYL67C
usDwuHRs8/KlWg==
idmltXXu7XAgHLE/UPTcjw==
QPrxO2shWNiGexGboHDSRqBQ1TBd
hq9rqBND8/KlWg==
QS9iHFx08/KlWg==
v1soVFoThEdt/B/dK0v4+6Wb
7rqJytN13KKAQEW7
OWbeN2SDJwonsI6EOTs=
aqQrrKZDm16GMlAtvxavW1Cf
imnEZWIEbC4M8Q+i
Bry3oQg5+6ZaUNxzwg==
B3vYmyxPQS5XYvmCsqQXX8X948Zf
KbGBmwwCyKTKsUcRUNN6CD61aw==
2WpDae4P+W4cdqc8kPBcjqg0wS1X
MvkZLPRY25jI
Alr0VZGxYxG3dR/zSNjBhQ==
ZJkdjczlrF+8l0Os
dcmMkFm+QhFD4OM=
fMdUrd4J1n4mmWElww==
Gat+k1fHg11vTQ==
sn+7Q4uxaAu9FyGv7k24F1DWaBEvmRI=
CjvGRTnXOhtN6QSNxhmvW1Cf
CpHvP2VSxaKAQEW7
qQWkEUJYFKhPttOZ4MarX8KKLl+/Jg==
GNVP4yIy8/KlWg==
pqfVAERhYxN7YPM=
9nS5b/AGCpZNAfZj1A==
a3GcpSND8/KlWg==
fin6NmQXayreIOrzPyw=
EjdROfeTsDPVH+rzPyw=
DO4xD8nURBwM8Q+i
+p/LQHFh0KOAQEW7
iNos10QpwjvjvFrXJYtYFiuHdA==
SX//aFP4Yi5T6NbcKQr07J6e
2NKh0dNr52sTdH4OSNjBhQ==
ZMSJmgsxFrlp5fnecrgeVYcP4xRZNho=
oXmlavAJ+3IbFbl3Gm4H+iKG
ijjWRYCaXiTcigreSNjBhQ==
ZqpH49I4XPu1k+rzPyw=
ZZUh+4FrrBbKukgJWoeuFzY=
lLnTxHn7rq/W9G8rzjsgCnyBYw==
drzjup.space
Signatures
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Xloader payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1312-64-0x0000000000400000-0x000000000042C000-memory.dmp xloader behavioral1/memory/664-70-0x00000000000C0000-0x00000000000EC000-memory.dmp xloader behavioral1/memory/664-75-0x00000000000C0000-0x00000000000EC000-memory.dmp xloader -
Adds policy Run key to start application 2 TTPs 2 IoCs
Processes:
svchost.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\JTH0NRUHVFE = "C:\\Program Files (x86)\\Emrkpgp\\ms0fdxy.exe" svchost.exe -
Executes dropped EXE 2 IoCs
Processes:
xnozsgld.exexnozsgld.exepid process 1700 xnozsgld.exe 1312 xnozsgld.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
xnozsgld.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Control Panel\International\Geo\Nation xnozsgld.exe -
Loads dropped DLL 2 IoCs
Processes:
tmp.exexnozsgld.exepid process 1612 tmp.exe 1700 xnozsgld.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
xnozsgld.exexnozsgld.exesvchost.exedescription pid process target process PID 1700 set thread context of 1312 1700 xnozsgld.exe xnozsgld.exe PID 1312 set thread context of 1280 1312 xnozsgld.exe Explorer.EXE PID 664 set thread context of 1280 664 svchost.exe Explorer.EXE -
Drops file in Program Files directory 1 IoCs
Processes:
svchost.exedescription ioc process File opened for modification C:\Program Files (x86)\Emrkpgp\ms0fdxy.exe svchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Processes:
svchost.exedescription ioc process Key created \Registry\User\S-1-5-21-3385717845-2518323428-350143044-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 svchost.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
Processes:
xnozsgld.exesvchost.exepid process 1312 xnozsgld.exe 1312 xnozsgld.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 1280 Explorer.EXE -
Suspicious behavior: MapViewOfSection 8 IoCs
Processes:
xnozsgld.exexnozsgld.exesvchost.exepid process 1700 xnozsgld.exe 1312 xnozsgld.exe 1312 xnozsgld.exe 1312 xnozsgld.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe 664 svchost.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
xnozsgld.exesvchost.exedescription pid process Token: SeDebugPrivilege 1312 xnozsgld.exe Token: SeDebugPrivilege 664 svchost.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
Explorer.EXEpid process 1280 Explorer.EXE 1280 Explorer.EXE -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
Explorer.EXEpid process 1280 Explorer.EXE 1280 Explorer.EXE -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
tmp.exexnozsgld.exeExplorer.EXEsvchost.exedescription pid process target process PID 1612 wrote to memory of 1700 1612 tmp.exe xnozsgld.exe PID 1612 wrote to memory of 1700 1612 tmp.exe xnozsgld.exe PID 1612 wrote to memory of 1700 1612 tmp.exe xnozsgld.exe PID 1612 wrote to memory of 1700 1612 tmp.exe xnozsgld.exe PID 1700 wrote to memory of 1312 1700 xnozsgld.exe xnozsgld.exe PID 1700 wrote to memory of 1312 1700 xnozsgld.exe xnozsgld.exe PID 1700 wrote to memory of 1312 1700 xnozsgld.exe xnozsgld.exe PID 1700 wrote to memory of 1312 1700 xnozsgld.exe xnozsgld.exe PID 1700 wrote to memory of 1312 1700 xnozsgld.exe xnozsgld.exe PID 1280 wrote to memory of 664 1280 Explorer.EXE svchost.exe PID 1280 wrote to memory of 664 1280 Explorer.EXE svchost.exe PID 1280 wrote to memory of 664 1280 Explorer.EXE svchost.exe PID 1280 wrote to memory of 664 1280 Explorer.EXE svchost.exe PID 664 wrote to memory of 1496 664 svchost.exe cmd.exe PID 664 wrote to memory of 1496 664 svchost.exe cmd.exe PID 664 wrote to memory of 1496 664 svchost.exe cmd.exe PID 664 wrote to memory of 1496 664 svchost.exe cmd.exe PID 664 wrote to memory of 1008 664 svchost.exe Firefox.exe PID 664 wrote to memory of 1008 664 svchost.exe Firefox.exe PID 664 wrote to memory of 1008 664 svchost.exe Firefox.exe PID 664 wrote to memory of 1008 664 svchost.exe Firefox.exe PID 664 wrote to memory of 1008 664 svchost.exe Firefox.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe"C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe" C:\Users\Admin\AppData\Local\Temp\ucpha.v3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe"C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe"4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\svchost.exe"C:\Windows\SysWOW64\svchost.exe"2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Admin\AppData\Local\Temp\xnozsgld.exe"3⤵
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C:\Program Files\Mozilla Firefox\Firefox.exe"C:\Program Files\Mozilla Firefox\Firefox.exe"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\hcmpu.cqaFilesize
196KB
MD528eed71dacb4522dbf2c1aeca39e2c5d
SHA1b5633dcf66f1657552ba992c55e7124250c23a35
SHA25622bfb554d299b3fc4686643b0522384db2c92ebf64bd80475439b8dd9bbe7bc5
SHA5127f08bc8237868fb6509baafd3c4a01663b0577ebec86aef9cb185bec13acb8c5787604329a85c74a2ebbc3f39933929a2f36ea21513330124bd2d66363e54cae
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C:\Users\Admin\AppData\Local\Temp\ucpha.vFilesize
5KB
MD5d934356067b6133646fad1aa12371a1e
SHA123fe2ea62be0949a32ea6609345a8b8d27ce3757
SHA25681f2eb3bd3c2135b0d6abdcc4f2e6427a76dac558928d4c8beb648a045010ae5
SHA51226b50a5599353328bfc4609754ead9efd9e4084e4fdb6a9479ad56ea79aed81648de897e66c3dd1c9de1cdb6eba04855e4498f0d8d09f7804224ba27ceab91d8
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C:\Users\Admin\AppData\Local\Temp\xnozsgld.exeFilesize
253KB
MD5d8394c44bc790e1bdab00823f689c1bd
SHA1735d8986424e2ab3440f49a7a720ecaad43d491d
SHA256234d80febbdd23b49a2ff5db4e51aa33e82cd77ff082ac6e8f32078cdd701007
SHA512c6dd135932d86f6a7ae2b82045e024fddad3ce7286672c134e8314d2a7a003d237b4b62141b67c7947e6ca1fffa78047e015c5e714cfb56739ef152485cd559e
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C:\Users\Admin\AppData\Local\Temp\xnozsgld.exeFilesize
253KB
MD5d8394c44bc790e1bdab00823f689c1bd
SHA1735d8986424e2ab3440f49a7a720ecaad43d491d
SHA256234d80febbdd23b49a2ff5db4e51aa33e82cd77ff082ac6e8f32078cdd701007
SHA512c6dd135932d86f6a7ae2b82045e024fddad3ce7286672c134e8314d2a7a003d237b4b62141b67c7947e6ca1fffa78047e015c5e714cfb56739ef152485cd559e
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C:\Users\Admin\AppData\Local\Temp\xnozsgld.exeFilesize
253KB
MD5d8394c44bc790e1bdab00823f689c1bd
SHA1735d8986424e2ab3440f49a7a720ecaad43d491d
SHA256234d80febbdd23b49a2ff5db4e51aa33e82cd77ff082ac6e8f32078cdd701007
SHA512c6dd135932d86f6a7ae2b82045e024fddad3ce7286672c134e8314d2a7a003d237b4b62141b67c7947e6ca1fffa78047e015c5e714cfb56739ef152485cd559e
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\Users\Admin\AppData\Local\Temp\xnozsgld.exeFilesize
253KB
MD5d8394c44bc790e1bdab00823f689c1bd
SHA1735d8986424e2ab3440f49a7a720ecaad43d491d
SHA256234d80febbdd23b49a2ff5db4e51aa33e82cd77ff082ac6e8f32078cdd701007
SHA512c6dd135932d86f6a7ae2b82045e024fddad3ce7286672c134e8314d2a7a003d237b4b62141b67c7947e6ca1fffa78047e015c5e714cfb56739ef152485cd559e
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\Users\Admin\AppData\Local\Temp\xnozsgld.exeFilesize
253KB
MD5d8394c44bc790e1bdab00823f689c1bd
SHA1735d8986424e2ab3440f49a7a720ecaad43d491d
SHA256234d80febbdd23b49a2ff5db4e51aa33e82cd77ff082ac6e8f32078cdd701007
SHA512c6dd135932d86f6a7ae2b82045e024fddad3ce7286672c134e8314d2a7a003d237b4b62141b67c7947e6ca1fffa78047e015c5e714cfb56739ef152485cd559e
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memory/664-72-0x0000000000AC0000-0x0000000000DC3000-memory.dmpFilesize
3.0MB
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memory/664-68-0x0000000000000000-mapping.dmp
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memory/664-75-0x00000000000C0000-0x00000000000EC000-memory.dmpFilesize
176KB
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memory/664-73-0x0000000000460000-0x00000000004F0000-memory.dmpFilesize
576KB
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memory/664-70-0x00000000000C0000-0x00000000000EC000-memory.dmpFilesize
176KB
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memory/664-69-0x0000000000650000-0x0000000000658000-memory.dmpFilesize
32KB
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memory/1280-74-0x0000000004BD0000-0x0000000004C92000-memory.dmpFilesize
776KB
-
memory/1280-67-0x0000000002C40000-0x0000000002CF6000-memory.dmpFilesize
728KB
-
memory/1280-76-0x0000000004BD0000-0x0000000004C92000-memory.dmpFilesize
776KB
-
memory/1280-78-0x000007FEF6690000-0x000007FEF67D3000-memory.dmpFilesize
1.3MB
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memory/1280-79-0x000007FF0B750000-0x000007FF0B75A000-memory.dmpFilesize
40KB
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memory/1312-66-0x00000000002C0000-0x00000000002D1000-memory.dmpFilesize
68KB
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memory/1312-65-0x0000000000820000-0x0000000000B23000-memory.dmpFilesize
3.0MB
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memory/1312-64-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/1312-62-0x000000000041FF10-mapping.dmp
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memory/1496-71-0x0000000000000000-mapping.dmp
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memory/1612-54-0x00000000764C1000-0x00000000764C3000-memory.dmpFilesize
8KB
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memory/1700-56-0x0000000000000000-mapping.dmp