Analysis
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max time kernel
44s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 01:13
Static task
static1
Behavioral task
behavioral1
Sample
fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exe
Resource
win10v2004-20221111-en
General
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Target
fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exe
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Size
79KB
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MD5
0721ebf66764de54a8cff18192a082fc
-
SHA1
173158034fe56f028a057cf5239c19c855e814ec
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SHA256
fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca
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SHA512
da9009b928f307206b6909242e89506a92b821fa12d2b2dcf7977d0a6cc3bb90d5e17a1f6a09888e58aa3d09753a8d0fdb34b30d20849495145bb5c028ec262c
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SSDEEP
1536:/eQHqwqZ1IvRa70ngWnxDJes2rDZWcisKldbfAi2d:mGqZ67FDMskDZWJn12
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Serverx = "C:\\Windows\\system32\\Serverx.exe" fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exe -
Drops file in System32 directory 2 IoCs
Processes:
fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exedescription ioc process File created C:\Windows\SysWOW64\Serverx.exe fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exe File opened for modification C:\Windows\SysWOW64\Serverx.exe fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exedescription pid process target process PID 1484 wrote to memory of 1688 1484 fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exe fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exe PID 1484 wrote to memory of 1688 1484 fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exe fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exe PID 1484 wrote to memory of 1688 1484 fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exe fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exe PID 1484 wrote to memory of 1688 1484 fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exe fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exe PID 1484 wrote to memory of 1424 1484 fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exe Explorer.EXE PID 1484 wrote to memory of 1424 1484 fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exe Explorer.EXE
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1424
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C:\Users\Admin\AppData\Local\Temp\fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exe"C:\Users\Admin\AppData\Local\Temp\fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exe"2⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1484 -
C:\Users\Admin\AppData\Local\Temp\fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exe"C:\Users\Admin\AppData\Local\Temp\fcb731e96f1b05dc0d8187afffa91d90863b3eff915fe15b66ebc0db0ba483ca.exe"3⤵PID:1688