9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96

General

Target

9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
Size

76KB
MD5

74f4d3c1b88440eb332154535d6ddbd6
SHA1

5a840497bbf0809d158a9937f5de1c9bf8bca4b0
SHA256

9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96
SHA512

38d45ce90bfdd9c7bb86e4d5e89760a23b3a628c528855b7925b4fd3ff5adbc7c0220a9134d54dea37d1865e9d28c89a9ae68c3b33618a4e32dd4026083905e3
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO04:RshfSWHHNvoLqNwDDGw02eQmh0HjWO04

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2528	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.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	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
File created	C:\Windows\SysWOW64\¢«.exe	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
File created	C:\Windows\system\rundll32.exe	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.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	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1730362259"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1730362259"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2528	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
2528	rundll32.exe
2528	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 2528	2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe	30
PID 2840 wrote to memory of 2528	2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe	30
PID 2840 wrote to memory of 2528	2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe	30
PID 2840 wrote to memory of 2528	2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe	30
PID 2840 wrote to memory of 2528	2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe	30
PID 2840 wrote to memory of 2528	2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe	30
PID 2840 wrote to memory of 2528	2840	9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe	30

C:\Users\Admin\AppData\Local\Temp\9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.exe
"C:\Users\Admin\AppData\Local\Temp\9e7b9cec2792e7e3efd7ae08328a64a79427d4be79210d1529fd146a2dc76f96.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:2840
- 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:2528

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
54f78dfdcd0f0d75b954e79d6c3e8d67

SHA1
d73f8431c370182093e4facfa2a05f7118e99cb2

SHA256
9d09571dde1158b23594e345fe6a26fec88396fb74325b88edfb42759f040d8e

SHA512
a45d1550d7aeb04d473eb51dddd1e2a55c24557f2cadff660a5b08109ef05196691efe24c36846219038c68dfe6f95907b0853cdee6ef0659fe78aa0791e495c

Download Submit
\Windows\system\rundll32.exe

Filesize
80KB

MD5
6b856ef6d53588256e31aa6e8fc04b24

SHA1
9829c52374f9d218f6e584f7d37575ed6fa9b634

SHA256
d57aadf496f24488bf82220b8eef6c2feff9e9a04d01528fba3221077abd9559

SHA512
548ce68f5f0256e2cc29cd20197230c844e4c3ef25582dc2cc0c1a25807ed6eb1ec345b5596d6c74ae3818068867edf36e63855729fbb27ce9b298699296e5d2

Download Submit
memory/2528-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2528-23-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2840-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2840-11-0x0000000000270000-0x0000000000286000-memory.dmp

Filesize
88KB

Download
memory/2840-17-0x0000000000270000-0x0000000000286000-memory.dmp

Filesize
88KB

Download
memory/2840-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2840-22-0x0000000000270000-0x0000000000272000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads