d06b00bdd5265775a9a333ebcbb32c18c88c1c9bff23fa5438950bf34606f9d2

General

Target

d06b00bdd5265775a9a333ebcbb32c18c88c1c9bff23fa5438950bf34606f9d2.dll
Size

1.1MB
MD5

0c02dcf6109dde488973cbb7039bbce0
SHA1

b79fd1ea630031b6884b5f7db33bd69a83db3ef2
SHA256

d06b00bdd5265775a9a333ebcbb32c18c88c1c9bff23fa5438950bf34606f9d2
SHA512

dcf95180af45bcd00ebccb9b282428590ccd915cb286e01b6550dde3823bc80864603a2e826f767bc9100e87a183bae1a404a5c623caf91bac489215f8e6157d
SSDEEP

24576:DnpCMj+KpP5Wx6QpBf+Vf0a6v9SG8Bk+sc/poFAPVW+VhWGs:fId40pv8G8Bk/c/pouVW+LWG

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1604	rundll32Srv.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x0007000000005c50-56.dat	upx
behavioral1/files/0x0007000000005c50-57.dat	upx
behavioral1/files/0x0007000000005c50-59.dat	upx
behavioral1/files/0x0007000000005c50-60.dat	upx
behavioral1/memory/1604-61-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/memory/1604-62-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
1260	rundll32.exe
1260	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32Srv.exe	rundll32.exe

Drops file in Program Files directory 11 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\RMNetwork\pxC035.tmp	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\RMNetwork\px3823.tmp	rundll32Srv.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	rundll32Srv.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	rundll32Srv.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\RMNetwork\px45B8.tmp	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\RMNetwork\pxB011.tmp	rundll32Srv.exe
File opened for modification	C:\Program Files\7-Zip\7-zip.dll	rundll32Srv.exe
File opened for modification	C:\Program Files\7-Zip\7-zip32.dll	rundll32Srv.exe
File opened for modification	C:\Program Files\7-Zip\7z.dll	rundll32Srv.exe
File opened for modification	C:\Program Files (x86)\RMNetwork\px27FF.tmp	rundll32Srv.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 1260	1488	rundll32.exe	27
PID 1488 wrote to memory of 1260	1488	rundll32.exe	27
PID 1488 wrote to memory of 1260	1488	rundll32.exe	27
PID 1488 wrote to memory of 1260	1488	rundll32.exe	27
PID 1488 wrote to memory of 1260	1488	rundll32.exe	27
PID 1488 wrote to memory of 1260	1488	rundll32.exe	27
PID 1488 wrote to memory of 1260	1488	rundll32.exe	27
PID 1260 wrote to memory of 1604	1260	rundll32.exe	28
PID 1260 wrote to memory of 1604	1260	rundll32.exe	28
PID 1260 wrote to memory of 1604	1260	rundll32.exe	28
PID 1260 wrote to memory of 1604	1260	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d06b00bdd5265775a9a333ebcbb32c18c88c1c9bff23fa5438950bf34606f9d2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d06b00bdd5265775a9a333ebcbb32c18c88c1c9bff23fa5438950bf34606f9d2.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:1260
- - C:\Windows\SysWOW64\rundll32Srv.exe
    C:\Windows\SysWOW64\rundll32Srv.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    PID:1604

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\SysWOW64\rundll32Srv.exe

Filesize
10KB

MD5
9f7f94a22e1ed7f03995292038b35b98

SHA1
c4c5a6e26687e788b3a0859aa0e6f1917a7334c2

SHA256
a7a43eef41b32a366e865ca71c160ff23e831cce9a28937ff7cd212acd2109e3

SHA512
f775bbddc1f594984c5f7d7b88d211d5ddbd54d2fed1c92ae11b5007f6ef3e00b614f729253c77b8f1471b328dbd6be585309414b4310f0c2840dedb9a743bb4

Download Submit
C:\Windows\SysWOW64\rundll32Srv.exe

Filesize
10KB

MD5
9f7f94a22e1ed7f03995292038b35b98

SHA1
c4c5a6e26687e788b3a0859aa0e6f1917a7334c2

SHA256
a7a43eef41b32a366e865ca71c160ff23e831cce9a28937ff7cd212acd2109e3

SHA512
f775bbddc1f594984c5f7d7b88d211d5ddbd54d2fed1c92ae11b5007f6ef3e00b614f729253c77b8f1471b328dbd6be585309414b4310f0c2840dedb9a743bb4

Download Submit
\Windows\SysWOW64\rundll32Srv.exe

Filesize
10KB

MD5
9f7f94a22e1ed7f03995292038b35b98

SHA1
c4c5a6e26687e788b3a0859aa0e6f1917a7334c2

SHA256
a7a43eef41b32a366e865ca71c160ff23e831cce9a28937ff7cd212acd2109e3

SHA512
f775bbddc1f594984c5f7d7b88d211d5ddbd54d2fed1c92ae11b5007f6ef3e00b614f729253c77b8f1471b328dbd6be585309414b4310f0c2840dedb9a743bb4

Download Submit
\Windows\SysWOW64\rundll32Srv.exe

Filesize
10KB

MD5
9f7f94a22e1ed7f03995292038b35b98

SHA1
c4c5a6e26687e788b3a0859aa0e6f1917a7334c2

SHA256
a7a43eef41b32a366e865ca71c160ff23e831cce9a28937ff7cd212acd2109e3

SHA512
f775bbddc1f594984c5f7d7b88d211d5ddbd54d2fed1c92ae11b5007f6ef3e00b614f729253c77b8f1471b328dbd6be585309414b4310f0c2840dedb9a743bb4

Download Submit
memory/1260-55-0x0000000075AD1000-0x0000000075AD3000-memory.dmp

Filesize
8KB

Download
memory/1604-61-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1604-62-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download

Analysis

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