adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73

General

Target

adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
Size

73KB
MD5

ca480863319b300242c1c827d35ea867
SHA1

f93f33e7d7c41be4c3002b227ae8ca9d5b9231b4
SHA256

adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73
SHA512

650973db413d31c8d2f83d53f06585cf47497bfc083f54b781ed6d9bd848ff10062825d15bd3940b196c2f4768d56fd68e6116fb5352a76259ad610a2414bd76
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOUh:RshfSWHHNvoLqNwDDGw02eQmh0HjWOUh

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2364	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.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	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.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	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
File created	C:\Windows\SysWOW64\¢«.exe	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
File created	C:\Windows\system\rundll32.exe	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1726052869"	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\txtfile\shell\open\command	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1726052869"	rundll32.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

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2364	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
2364	rundll32.exe
2364	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2364	2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe	30
PID 2976 wrote to memory of 2364	2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe	30
PID 2976 wrote to memory of 2364	2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe	30
PID 2976 wrote to memory of 2364	2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe	30
PID 2976 wrote to memory of 2364	2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe	30
PID 2976 wrote to memory of 2364	2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe	30
PID 2976 wrote to memory of 2364	2976	adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe	30

C:\Users\Admin\AppData\Local\Temp\adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe
"C:\Users\Admin\AppData\Local\Temp\adcb65aece5ad240cb5ea33e77e2304689cd874ee4b7e86b4b05970f4835fc73.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Windows\system\rundll32.exe
  C:\Windows\system\rundll32.exe
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:2364

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
82KB

MD5
f164af1ee1578de54203dcf3287f13a9

SHA1
3c89a062c38f5045b188e8a16670e1f61d23d1aa

SHA256
115bd81b08ee9951b4af9f949f382a1307fa9addbb36cd23b5236566a897048f

SHA512
06c5fc85804310231f1a44cb7c68449844f4506d88b7e91b311b536d336a6e5bedc4a1d956a0a32951f8ec7633ea1269b422df7f8249f859f0d06780f74fa9c1

Download Submit
\Windows\system\rundll32.exe

Filesize
82KB

MD5
19641a4334821d91dc5476e20ecd4203

SHA1
9743699b6e7d8acdd1663ba4b4ef76b057e3824d

SHA256
b8756a238b69e2219ddf19db5d38d93c7cb840d2d371303fa1d4cbaad2a3b003

SHA512
cf2ead5b56d602fab6bf961e2dbdf348783d64e980a9d69c7268ceb8b7b0a2a60cf13894a62c79e01ccf392da9211b788cd90f985199d41b4deb170220bca4cf

Download Submit
memory/2364-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2976-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2976-12-0x00000000001F0000-0x0000000000206000-memory.dmp

Filesize
88KB

Download
memory/2976-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2976-20-0x00000000001F0000-0x00000000001F2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads