932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa

General

Target

932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
Size

83KB
MD5

5f559e79f724b0f612c35223c7510b27
SHA1

10953a299b6f97438f6215cb32ef991f0bc94347
SHA256

932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa
SHA512

6f9465c0df17d60966575b93067723bdd10a2a40dde256bcaccf97f78d253efcc090d889f2d8842fbf31a47bc25d5211b88109b717e128dc0ecf1884be721dcc
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOLzEG73c:GhfxHNIreQm+HiGzEG73c

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4984	rundll32.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	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	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\notepad¢¬.exe	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
File created	C:\Windows\SysWOW64\¢«.exe	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
File created	C:\Windows\system\rundll32.exe	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1697172474"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1697172474"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4984	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
4984	rundll32.exe
4984	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4092 wrote to memory of 4984	4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe	86
PID 4092 wrote to memory of 4984	4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe	86
PID 4092 wrote to memory of 4984	4092	932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe	86

C:\Users\Admin\AppData\Local\Temp\932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe
"C:\Users\Admin\AppData\Local\Temp\932a2be61ac806379a349829f6e13d17242982b9d8101c7d3d48ee71524815fa.exe"
1⤵
- 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:4092
- 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:4984

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

Replay Monitor

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Downloads

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
76KB

MD5
b6f889660e06b999d4431b4f8784aa06

SHA1
c654b630580d41bd7768e5e3700f44f33801400e

SHA256
0818f4040ad59dce14878b38d935e67af06a46b4d35de21b3b16cc6a8431da98

SHA512
36cf5a39cd2dfe25ad8b44744febd9bb6f2a7568a6e41e5d481d6c18431034a008e2c80212ce83941aedba2ae649023f180f83a616a537d2639d51c9c36f6de3

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

Filesize
80KB

MD5
edebebf74710e1044bd80b33be9c4bb5

SHA1
9244066a087182b8da89a1a0e471076e1e9f0d89

SHA256
06540ef53da21429da7cf04706f78dfcaa46158c8d2236be535c64baf0e8743a

SHA512
0ec06361bf1aa092d0e162344e426bd42ca8a6b4ffc9ba776127c4442a9e3add61ec8d6e6ddf24764fef676b09fc495bc7d755fadc6bcdb86e0175961f2183fb

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

Filesize
80KB

MD5
edebebf74710e1044bd80b33be9c4bb5

SHA1
9244066a087182b8da89a1a0e471076e1e9f0d89

SHA256
06540ef53da21429da7cf04706f78dfcaa46158c8d2236be535c64baf0e8743a

SHA512
0ec06361bf1aa092d0e162344e426bd42ca8a6b4ffc9ba776127c4442a9e3add61ec8d6e6ddf24764fef676b09fc495bc7d755fadc6bcdb86e0175961f2183fb

Download Submit
memory/4092-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/4092-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/4984-14-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads