4fb409b42ecc1d03c557e804df5aba0ba721fc885e8b3e5b7032a2551275d4e0

General

Target

VirusShare_64f26f341dc59ee8c340fcae3ed2b4d5.dll
Size

2.1MB
MD5

64f26f341dc59ee8c340fcae3ed2b4d5
SHA1

5bf2a4d34959007c1d7d85b45f8a2c5801636cb6
SHA256

4fb409b42ecc1d03c557e804df5aba0ba721fc885e8b3e5b7032a2551275d4e0
SHA512

b54bafc839e722e79e213d4babc303b9b123dfa78a7f622864058a2e0f58cc81b360db22eea67ba843397599a43b630218543d758dd2afbf070f96453eef579e
SSDEEP

3072:da/fT8nSPDyBL4ORnMAhr1yw649iS3BAarBQ/sVsVuSOUwQka/:WT8nftDD/i+Aa1csmYSNp

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Run\ctfmon.exe = "C:\\Windows\\system32\\rundll32.exe C:\\PROGRA~3\\asoor32ni.dat,StartAs"	rundll32.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~3\in23roosa.dat	rundll32.exe
File created	C:\PROGRA~3\asoor32ni.dat	rundll32.exe
File opened for modification	C:\PROGRA~3\asoor32ni.dat	rundll32.exe
File created	C:\PROGRA~3\in23roosa.dat	rundll32.exe

Modifies Internet Explorer Protected Mode 1 TTPs 5 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\2500 = "3"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3"	rundll32.exe

Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1"	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Internet Explorer\Main	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2172	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2172	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	rundll32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2172	2180	rundll32.exe	28
PID 2180 wrote to memory of 2172	2180	rundll32.exe	28
PID 2180 wrote to memory of 2172	2180	rundll32.exe	28
PID 2180 wrote to memory of 2172	2180	rundll32.exe	28
PID 2180 wrote to memory of 2172	2180	rundll32.exe	28
PID 2180 wrote to memory of 2172	2180	rundll32.exe	28
PID 2180 wrote to memory of 2172	2180	rundll32.exe	28
PID 2172 wrote to memory of 1240	2172	rundll32.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1240
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\VirusShare_64f26f341dc59ee8c340fcae3ed2b4d5.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2180
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\VirusShare_64f26f341dc59ee8c340fcae3ed2b4d5.dll,#1
    3⤵
    - Adds Run key to start application
    - Drops file in Program Files directory
    - Modifies Internet Explorer Protected Mode
    - Modifies Internet Explorer Protected Mode Banner
    - Modifies Internet Explorer settings
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

4

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\PROGRA~3\asoor32ni.dat

Filesize
4.0MB

MD5
6be2c685798c55551dec6f94077659e2

SHA1
a4c4a1ee8c5ddcc9aaae6b4bf0f8b8be1db52374

SHA256
27c83bececa6498510568e7d848891b071374f362637d38825549527aa68ceb9

SHA512
a3d2a15dfc43f37c88c2ac4bfc8d84461a461978aec8d2d0fd3e38d47398905094b2f9b5e25df7f21465d4e5006487cd4ba92a2ce63d3b9a4a4d67b121e17a08

Download Submit
C:\PROGRA~3\in23roosa.dat

Filesize
30.1MB

MD5
cfbdf94da04a0a8fa95f39f85b1665e1

SHA1
6391c5648d0c16105730f65df5268f20721b9e85

SHA256
2e538ff4eb4835b641f15e529433e09fc2cc72f95a77e34330c63d8a12039bff

SHA512
1782d00c9a51f7b64a3125640994a367258ad26b70cf3be848a3551daa2374309f71822a1a1433afaece778a098071ea037554922717c6e9e72b6d8a4ad60d14

Download Submit
memory/1240-15-0x0000000002A50000-0x0000000002A51000-memory.dmp

Filesize
4KB

Download
memory/2172-0-0x0000000000200000-0x000000000024F000-memory.dmp

Filesize
316KB

Download
memory/2172-1-0x0000000000200000-0x000000000024F000-memory.dmp

Filesize
316KB

Download
memory/2172-2-0x0000000000200000-0x000000000024F000-memory.dmp

Filesize
316KB

Download
memory/2172-3-0x00000000006E0000-0x000000000072F000-memory.dmp

Filesize
316KB

Download
memory/2172-4-0x0000000000200000-0x000000000024F000-memory.dmp

Filesize
316KB

Download
memory/2172-19-0x0000000000200000-0x000000000024F000-memory.dmp

Filesize
316KB

Download
memory/2172-21-0x00000000006E0000-0x000000000072F000-memory.dmp

Filesize
316KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads

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