53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d

General

Target

53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
Size

474KB
MD5

73fe38ae34df61585b4797b313305a63
SHA1

614c65ef19407f9c524ac9201dccf51b95bfb336
SHA256

53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d
SHA512

6fee25b492fadd77c6962086ed30b54a3d2936555987936be02c28a6fb710e75b4410d50c7b2bc46841fce2df2cf4b885f3f0dbd7980a74fea8c343f9bcd6324
SSDEEP

6144:UdspDeDrxkg/vrMuJIgwhEFHyOrJcX/Pgqwzm5IzkWjS4e4azExBKO1t4Kb70NqH:S8kxNhOZElO5kkWjhD4AOWDLpt

Score

10^/10

persistence upx

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 3 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\odt\\XAFQ.EXE \"%1\" %*"	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	QNUN.EXE

Executes dropped EXE 1 IoCs

pid	Process
888	QNUN.EXE

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/944-132-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/files/0x0009000000022e07-134.dat	upx
behavioral2/files/0x0009000000022e07-135.dat	upx
behavioral2/memory/944-136-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/888-137-0x0000000000400000-0x0000000000478000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\XAFQ.EXE = "C:\\odt\\XAFQ.EXE"	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe

Enumerates connected drives 3 TTPs 18 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)	\??\J:	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
File opened (read-only)	\??\L:	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
File opened (read-only)	\??\E:	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
File opened (read-only)	\??\K:	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
File opened (read-only)	\??\M:	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
File opened (read-only)	\??\P:	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
File opened (read-only)	\??\Q:	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
File opened (read-only)	\??\U:	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
File opened (read-only)	\??\V:	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
File opened (read-only)	\??\I:	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
File opened (read-only)	\??\H:	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
File opened (read-only)	\??\O:	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
File opened (read-only)	\??\S:	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
File opened (read-only)	\??\G:	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
File opened (read-only)	\??\N:	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
File opened (read-only)	\??\R:	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
File opened (read-only)	\??\T:	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
File opened (read-only)	\??\F:	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\System Volume Information\\QOCGBU.EXE %1"	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell\open\command	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\odt\\XAFQ.EXE \"%1\" %*"	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell\open\command	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell\open\command\ = "C:\\odt\\XAFQ.EXE %1"	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell\open	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command\ = "C:\\System Volume Information\\QOCGBU.EXE \"%1\""	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "C:\\odt\\XAFQ.EXE \"%1\""	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	QNUN.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
888	QNUN.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 944 wrote to memory of 888	944	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe	80
PID 944 wrote to memory of 888	944	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe	80
PID 944 wrote to memory of 888	944	53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe	80

C:\Users\Admin\AppData\Local\Temp\53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe
"C:\Users\Admin\AppData\Local\Temp\53fb7d5776dcc46e41ca309db47b8554b335df854b9eba5d1fb818b71da65b0d.exe"
1⤵
- Modifies system executable filetype association
- Adds Run key to start application
- Enumerates connected drives
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:944
- C:\PerfLogs\QNUN.EXE
  C:\PerfLogs\QNUN.EXE
  2⤵
  - Modifies system executable filetype association
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  PID:888

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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:\PerfLogs\QNUN.EXE

Filesize
475KB

MD5
3ded9755539f326561da1054135c12fa

SHA1
38b7f7eb1dc9f04b550f774cf4376d59652bf786

SHA256
0bb3845af7482a967e6330abfc51bd863df95056bd893b1a86719a612e33ad2e

SHA512
540f23ff76ad989c08d63b7841b36bce2568918d5d37d096ed89ca2b4da685a067a27bf5448b837f30a514551f2acc985ac02319142b0bf763f235b40871a127

Download Submit
C:\PerfLogs\QNUN.EXE

Filesize
475KB

MD5
3ded9755539f326561da1054135c12fa

SHA1
38b7f7eb1dc9f04b550f774cf4376d59652bf786

SHA256
0bb3845af7482a967e6330abfc51bd863df95056bd893b1a86719a612e33ad2e

SHA512
540f23ff76ad989c08d63b7841b36bce2568918d5d37d096ed89ca2b4da685a067a27bf5448b837f30a514551f2acc985ac02319142b0bf763f235b40871a127

Download Submit
memory/888-133-0x0000000000000000-mapping.dmp

Download
memory/888-137-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/944-132-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/944-136-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads