56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f

General

Target

56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
Size

79KB
MD5

5e1b563d08572f43d5abe3d9cbb17bdc
SHA1

5ad0adf13e7cf9560945e7bb4699b82261189766
SHA256

56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f
SHA512

bf91e22995453ad10e61f6c8f2ccdc8708c37635c9f2d545a17df59396fe18af5abdf701eb0bddd9c917e1594bd70c8c21c6eea9ef1fc06b81bc5d8a908bd346
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO5J:RshfSWHHNvoLqNwDDGw02eQmh0HjWO5J

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1936	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe

Modifies system executable filetype association 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.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
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\¢«.exe	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\rundll32.exe	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
File opened for modification	C:\Windows\system\rundll32.exe	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.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	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.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\txtfile\shell\open\command	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1725168245"	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1725168245"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%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	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1936	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
1936	rundll32.exe
1936	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 1936	2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe	30
PID 2564 wrote to memory of 1936	2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe	30
PID 2564 wrote to memory of 1936	2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe	30
PID 2564 wrote to memory of 1936	2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe	30
PID 2564 wrote to memory of 1936	2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe	30
PID 2564 wrote to memory of 1936	2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe	30
PID 2564 wrote to memory of 1936	2564	56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe	30

C:\Users\Admin\AppData\Local\Temp\56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.exe
"C:\Users\Admin\AppData\Local\Temp\56ebdf6be856006b680088ac9ba9999fbb48f640f7c23b678777890add3d7c9f.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:2564
- 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:1936

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
84KB

MD5
daf95b2af88ed6585d7d2ae23ccc8c12

SHA1
cfd13bba488dc7468a932c8848f3aaa1a7db21ec

SHA256
4f4c508e50ed75fc00f828456181ba85d13314e3e1698131558b204fde15817c

SHA512
a0071184ac081ab369acad488596833315cf334dfb50a1ab9ac0bda2e1c83eee12f0e11d0b409e049dbcbe916efd5ff2828a7d891ebdaefbb02d9ac6d3323a7f

Download Submit
\Windows\system\rundll32.exe

Filesize
78KB

MD5
0174b7ab46f30f2e374c0ea7036213d4

SHA1
ed04912c8b312195fad6d0122df947be350927dc

SHA256
8e19cf99c1f8c8e2f019d2aaa42da8800dd2cdbc5fdcdc461cdc02dc6c7541a2

SHA512
b46a5e5bda7f79f3c4999ae4706a0b20d8358336f36635e9a09abc3b02d1d73e1475f5972fecc4c875d7f9454263632f4ba7928da3afc95e83b78a8502d3816e

Download Submit
memory/1936-22-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2564-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2564-12-0x00000000002E0000-0x00000000002F6000-memory.dmp

Filesize
88KB

Download
memory/2564-17-0x00000000002E0000-0x00000000002F6000-memory.dmp

Filesize
88KB

Download
memory/2564-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2564-21-0x00000000002E0000-0x00000000002E2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads