54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91

General

Target

54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
Size

78KB
MD5

c17765909ddf23fdab21426853b8e3fe
SHA1

f50c41bdc3d6c67ab94b7a9dbb4bf77ed5bcd32d
SHA256

54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91
SHA512

321845a1c5f958c1152664cdfee21ff5abca85bb66d6728476756f001b9e54b062e89fa0533da69c45c44561858709dc298403910ac0012472c255c08856d31f
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOnzuh0i:GhfxHNIreQm+Hiizuh0i

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1296	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe

Modifies system executable filetype association 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
File created	C:\Windows\SysWOW64\¢«.exe	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
File created	C:\Windows\system\rundll32.exe	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1714062081"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1714062081"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1296	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
1296	rundll32.exe
1296	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 1296	1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe	28
PID 1760 wrote to memory of 1296	1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe	28
PID 1760 wrote to memory of 1296	1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe	28
PID 1760 wrote to memory of 1296	1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe	28
PID 1760 wrote to memory of 1296	1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe	28
PID 1760 wrote to memory of 1296	1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe	28
PID 1760 wrote to memory of 1296	1760	54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe	28

C:\Users\Admin\AppData\Local\Temp\54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe
"C:\Users\Admin\AppData\Local\Temp\54a6d57a5fdd8932949f593ee06557556949c7853ff340dbe9c91243f2607e91.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\system\rundll32.exe
  C:\Windows\system\rundll32.exe
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:1296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
78KB

MD5
9d5fe68f7ef5bcc5c025862ccc46620b

SHA1
f4c2e2f31bcf1bd8df2b577ef342ea6b2302aa3b

SHA256
464d7d1659180343f9a3b2b40249d739df3b7666c7c1018624fc1be68978c064

SHA512
1cefe5bc6dc4df415420b71d60030c6b2e748710566ccffefc834c633602e5e06a703b25b9e144387bf2f34de5d5c6f42448fe850ed1830f12dd16e949d6fa16

Download Submit
C:\Windows\system\rundll32.exe

Filesize
74KB

MD5
8e37150c2fd62573bb948345388079a4

SHA1
68de7dee2c64fd77aa398660343f0197a3031d2a

SHA256
f28e6db548e2c0842d84b884960b9b4347a56a6e850f0569a15adb8f083f9a05

SHA512
d1cb3f1f9f8a529ee37135cafbf47eabe8c27096069aee09e92d103cfbbc8f52e0cb8266c4180555a1aea07c461c604ba8bb944d05781e6be916fe8135b58723

Download Submit
memory/1296-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1760-12-0x0000000000240000-0x0000000000256000-memory.dmp

Filesize
88KB

Download
memory/1760-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1760-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1760-21-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads