8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774

General

Target

8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
Size

438KB
MD5

f57619f1e4eece21c3183e445001ff4d
SHA1

146055f362d9134917819949a329985318221808
SHA256

8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774
SHA512

e612a2482e598e185f72f5620ce9bf07b871d227fdc67a45cf2a4cfa0409c8e0b332211c220d2f39eeeb63c035092873f1a72693c71cdb998c687a55beda96ce
SSDEEP

6144:WdspDeDrxkg/vrMuJIgwhEFHyOrJcX/Pgqwzm5IzkWjS4e4azExBKO1t4Kb70NqY:s8kxNhOZElO5kkWjhD4A45lGU

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2204	FIR.EXE

Modifies system executable filetype association 2 TTPs 3 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	FIR.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\$Recycle.Bin\\XYW.EXE \"%1\" %*"	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\XYW.EXE = "C:\\$Recycle.Bin\\XYW.EXE"	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe

Enumerates connected drives 3 TTPs 17 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\L:	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
File opened (read-only)	\??\M:	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
File opened (read-only)	\??\Q:	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
File opened (read-only)	\??\V:	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
File opened (read-only)	\??\J:	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
File opened (read-only)	\??\K:	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
File opened (read-only)	\??\P:	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
File opened (read-only)	\??\T:	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
File opened (read-only)	\??\G:	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
File opened (read-only)	\??\H:	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
File opened (read-only)	\??\N:	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
File opened (read-only)	\??\R:	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
File opened (read-only)	\??\U:	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
File opened (read-only)	\??\E:	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
File opened (read-only)	\??\I:	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
File opened (read-only)	\??\O:	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
File opened (read-only)	\??\S:	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "C:\\Users\\MUUQYH.EXE \"%1\""	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell\open	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Users\\MUUQYH.EXE %1"	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell\open\command	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell\open\command	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command\ = "C:\\Users\\MUUQYH.EXE \"%1\""	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell\open\command\ = "C:\\$Recycle.Bin\\XYW.EXE %1"	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\$Recycle.Bin\\XYW.EXE \"%1\" %*"	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	FIR.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2204	FIR.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4748 wrote to memory of 2204	4748	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe	86
PID 4748 wrote to memory of 2204	4748	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe	86
PID 4748 wrote to memory of 2204	4748	8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe	86

C:\Users\Admin\AppData\Local\Temp\8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe
"C:\Users\Admin\AppData\Local\Temp\8da54dbf9ceaf59a2c1eb6a727ec2fc21fbc8b29dde6da1ed2cef9e167c16774.exe"
1⤵
- Modifies system executable filetype association
- Adds Run key to start application
- Enumerates connected drives
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4748
- C:\PerfLogs\FIR.EXE
  C:\PerfLogs\FIR.EXE
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\MUUQYH.EXE

Filesize
439KB

MD5
b6d55b13bf6d70c09a31b6fa4220f494

SHA1
009823191e00d82aaeb8ef695a66bb58ebb4cc58

SHA256
384c1d08d44412fe1cba0fc7b03ca0176839dc8486867c12937e956470dd729a

SHA512
7b6afa916232900a8ae0bcf0eb693c0d26b609816a963fb31d59649611f3a189fa478aaa62c1cd139a610918de2bb37dcf596447fe112f8a284cfa19b2d0e95d

Download Submit
memory/2204-29-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2204-31-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2204-38-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2204-24-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2204-25-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2204-26-0x00000000020B0000-0x00000000020B1000-memory.dmp

Filesize
4KB

Download
memory/2204-27-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2204-37-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2204-22-0x00000000020B0000-0x00000000020B1000-memory.dmp

Filesize
4KB

Download
memory/2204-32-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2204-30-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2204-33-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2204-34-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2204-35-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2204-36-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/4748-1-0x00000000021F0000-0x00000000021F1000-memory.dmp

Filesize
4KB

Download
memory/4748-23-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads