920dfc7879b33498bae81b3d391b24830ee888bbe8ef4f7307a69d391493eb1a

Analysis

max time kernel
141s
max time network
128s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
01/11/2023, 14:18

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General

Target

NEAS.bae0fac75a078d31e24fec4c92025290.exe
Size

370KB
MD5

bae0fac75a078d31e24fec4c92025290
SHA1

6669d0df77789b88ee9e419756e4754a02ed6134
SHA256

920dfc7879b33498bae81b3d391b24830ee888bbe8ef4f7307a69d391493eb1a
SHA512

b1da20b1e8f1fdbde1f38d10ea6a98fa21857443cc8dd24fc19cca5aab35da8ae8a774eaccae3f8e6f33458652863fb75fb75f2638404d64ffa188fe5868475f
SSDEEP

6144:9bpGtfoVtScw2RCgrzItQB2bpGtfoVtScw:TGtAtScw3qEKBYGtAtScw

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2992	WRDDN.EXE

Loads dropped DLL 2 IoCs

pid	Process
2960	NEAS.bae0fac75a078d31e24fec4c92025290.exe
2960	NEAS.bae0fac75a078d31e24fec4c92025290.exe

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	WRDDN.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\IOJFPOB.EXE \"%1\" %*"	WRDDN.EXE

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2960-0-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral1/files/0x00080000000120ca-16.dat	upx
behavioral1/files/0x00080000000120ca-17.dat	upx
behavioral1/memory/2992-24-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral1/memory/2960-25-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral1/memory/2960-23-0x0000000002050000-0x00000000020BE000-memory.dmp	upx
behavioral1/files/0x00080000000120ca-22.dat	upx
behavioral1/files/0x00080000000120ca-18.dat	upx
behavioral1/memory/2992-27-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral1/files/0x00080000000120ca-28.dat	upx
behavioral1/memory/2992-32-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral1/memory/2992-33-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral1/memory/2992-34-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral1/memory/2992-36-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral1/memory/2992-37-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral1/memory/2992-38-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral1/memory/2992-39-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral1/memory/2992-40-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral1/memory/2992-42-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral1/memory/2992-43-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral1/memory/2992-44-0x0000000000400000-0x000000000046E000-memory.dmp	upx

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\RGWXR.EXE = "C:\\System Volume Information\\RGWXR.EXE"	NEAS.bae0fac75a078d31e24fec4c92025290.exe

Enumerates connected drives 3 TTPs 34 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)	\??\Q:	NEAS.bae0fac75a078d31e24fec4c92025290.exe
File opened (read-only)	\??\P:	WRDDN.EXE
File opened (read-only)	\??\G:	NEAS.bae0fac75a078d31e24fec4c92025290.exe
File opened (read-only)	\??\H:	NEAS.bae0fac75a078d31e24fec4c92025290.exe
File opened (read-only)	\??\T:	NEAS.bae0fac75a078d31e24fec4c92025290.exe
File opened (read-only)	\??\M:	WRDDN.EXE
File opened (read-only)	\??\S:	WRDDN.EXE
File opened (read-only)	\??\U:	WRDDN.EXE
File opened (read-only)	\??\V:	WRDDN.EXE
File opened (read-only)	\??\L:	NEAS.bae0fac75a078d31e24fec4c92025290.exe
File opened (read-only)	\??\P:	NEAS.bae0fac75a078d31e24fec4c92025290.exe
File opened (read-only)	\??\K:	WRDDN.EXE
File opened (read-only)	\??\J:	NEAS.bae0fac75a078d31e24fec4c92025290.exe
File opened (read-only)	\??\K:	NEAS.bae0fac75a078d31e24fec4c92025290.exe
File opened (read-only)	\??\E:	NEAS.bae0fac75a078d31e24fec4c92025290.exe
File opened (read-only)	\??\T:	WRDDN.EXE
File opened (read-only)	\??\E:	WRDDN.EXE
File opened (read-only)	\??\J:	WRDDN.EXE
File opened (read-only)	\??\R:	WRDDN.EXE
File opened (read-only)	\??\N:	NEAS.bae0fac75a078d31e24fec4c92025290.exe
File opened (read-only)	\??\R:	NEAS.bae0fac75a078d31e24fec4c92025290.exe
File opened (read-only)	\??\I:	WRDDN.EXE
File opened (read-only)	\??\V:	NEAS.bae0fac75a078d31e24fec4c92025290.exe
File opened (read-only)	\??\G:	WRDDN.EXE
File opened (read-only)	\??\H:	WRDDN.EXE
File opened (read-only)	\??\N:	WRDDN.EXE
File opened (read-only)	\??\I:	NEAS.bae0fac75a078d31e24fec4c92025290.exe
File opened (read-only)	\??\O:	NEAS.bae0fac75a078d31e24fec4c92025290.exe
File opened (read-only)	\??\U:	NEAS.bae0fac75a078d31e24fec4c92025290.exe
File opened (read-only)	\??\L:	WRDDN.EXE
File opened (read-only)	\??\O:	WRDDN.EXE
File opened (read-only)	\??\Q:	WRDDN.EXE
File opened (read-only)	\??\M:	NEAS.bae0fac75a078d31e24fec4c92025290.exe
File opened (read-only)	\??\S:	NEAS.bae0fac75a078d31e24fec4c92025290.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WRDDN.EXE	NEAS.bae0fac75a078d31e24fec4c92025290.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\IOJFPOB.EXE	WRDDN.EXE

Modifies registry class 17 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQ.file\shell\open\command	NEAS.bae0fac75a078d31e24fec4c92025290.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQfile\shell\open\command	NEAS.bae0fac75a078d31e24fec4c92025290.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	NEAS.bae0fac75a078d31e24fec4c92025290.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQ.file\shell	NEAS.bae0fac75a078d31e24fec4c92025290.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQfile	NEAS.bae0fac75a078d31e24fec4c92025290.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQfile\shell\open\command\ = "C:\\$Recycle.Bin\\KUT.EXE \"%1\""	NEAS.bae0fac75a078d31e24fec4c92025290.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\inffile\shell\open\command\ = "C:\\System Volume Information\\RGWXR.EXE %1"	NEAS.bae0fac75a078d31e24fec4c92025290.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQfile\shell\open\command\ = "C:\\System Volume Information\\RGWXR.EXE \"%1\" %*"	NEAS.bae0fac75a078d31e24fec4c92025290.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	WRDDN.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\IOJFPOB.EXE \"%1\" %*"	WRDDN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQ.file	NEAS.bae0fac75a078d31e24fec4c92025290.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQ.file\shell\open	NEAS.bae0fac75a078d31e24fec4c92025290.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQ.file\shell\open\command\ = "C:\\System Volume Information\\DIPDZ.EXE %1"	NEAS.bae0fac75a078d31e24fec4c92025290.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQfile\shell	NEAS.bae0fac75a078d31e24fec4c92025290.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\inffile\shell\open\command	NEAS.bae0fac75a078d31e24fec4c92025290.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\$Recycle.Bin\\RFO.EXE %1"	NEAS.bae0fac75a078d31e24fec4c92025290.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QQQfile\shell\open	NEAS.bae0fac75a078d31e24fec4c92025290.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2992	WRDDN.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 2992	2960	NEAS.bae0fac75a078d31e24fec4c92025290.exe	28
PID 2960 wrote to memory of 2992	2960	NEAS.bae0fac75a078d31e24fec4c92025290.exe	28
PID 2960 wrote to memory of 2992	2960	NEAS.bae0fac75a078d31e24fec4c92025290.exe	28
PID 2960 wrote to memory of 2992	2960	NEAS.bae0fac75a078d31e24fec4c92025290.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.bae0fac75a078d31e24fec4c92025290.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.bae0fac75a078d31e24fec4c92025290.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Program Files (x86)\WRDDN.EXE
  "C:\Program Files (x86)\WRDDN.EXE"
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Enumerates connected drives
  - Drops file in Windows directory
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\WRDDN.EXE

Filesize
370KB

MD5
87e92eb717d4d8b2c4963046c4cb0bac

SHA1
65bd27dee9b96c2ea27072b3a2941a759c4107f2

SHA256
902bd045db1b3f7f69ebb25a581604aa032a9d1c70cf1aa9f288a1fabcf77c74

SHA512
e3b181e1fe23c6313ee6e8cbd49ea6fc87320900c1997516c25693586eb02ec50451795db672ea96ae103583d63bd36cffb86482cfcbd63a6ed4a6bbe9dc60a2

Download Submit
C:\Program Files (x86)\WRDDN.EXE

Filesize
370KB

MD5
87e92eb717d4d8b2c4963046c4cb0bac

SHA1
65bd27dee9b96c2ea27072b3a2941a759c4107f2

SHA256
902bd045db1b3f7f69ebb25a581604aa032a9d1c70cf1aa9f288a1fabcf77c74

SHA512
e3b181e1fe23c6313ee6e8cbd49ea6fc87320900c1997516c25693586eb02ec50451795db672ea96ae103583d63bd36cffb86482cfcbd63a6ed4a6bbe9dc60a2

Download Submit
C:\Program Files (x86)\WRDDN.EXE

Filesize
370KB

MD5
87e92eb717d4d8b2c4963046c4cb0bac

SHA1
65bd27dee9b96c2ea27072b3a2941a759c4107f2

SHA256
902bd045db1b3f7f69ebb25a581604aa032a9d1c70cf1aa9f288a1fabcf77c74

SHA512
e3b181e1fe23c6313ee6e8cbd49ea6fc87320900c1997516c25693586eb02ec50451795db672ea96ae103583d63bd36cffb86482cfcbd63a6ed4a6bbe9dc60a2

Download Submit
\??\c:\filedebug

Filesize
318B

MD5
d749be94c8afa6983d49c81ca40e653c

SHA1
2e7755a64ce95e7552fb236b7c8211a77776b204

SHA256
e691a423a279d1d3d19d148795b3e44e7969a519dfb7f6b22a9be5469c066831

SHA512
974818c0caf515cc072e8c8949f02fd7e264790aafa2777b8831c192f767a73e476eb59f4909dec43f358d7d89e04ef765e8690d7f2264f6013a371de045cfb9

Download Submit
\Program Files (x86)\WRDDN.EXE

Filesize
370KB

MD5
87e92eb717d4d8b2c4963046c4cb0bac

SHA1
65bd27dee9b96c2ea27072b3a2941a759c4107f2

SHA256
902bd045db1b3f7f69ebb25a581604aa032a9d1c70cf1aa9f288a1fabcf77c74

SHA512
e3b181e1fe23c6313ee6e8cbd49ea6fc87320900c1997516c25693586eb02ec50451795db672ea96ae103583d63bd36cffb86482cfcbd63a6ed4a6bbe9dc60a2

Download Submit
\Program Files (x86)\WRDDN.EXE

Filesize
370KB

MD5
87e92eb717d4d8b2c4963046c4cb0bac

SHA1
65bd27dee9b96c2ea27072b3a2941a759c4107f2

SHA256
902bd045db1b3f7f69ebb25a581604aa032a9d1c70cf1aa9f288a1fabcf77c74

SHA512
e3b181e1fe23c6313ee6e8cbd49ea6fc87320900c1997516c25693586eb02ec50451795db672ea96ae103583d63bd36cffb86482cfcbd63a6ed4a6bbe9dc60a2

Download Submit
memory/2960-23-0x0000000002050000-0x00000000020BE000-memory.dmp

Filesize
440KB

Download
memory/2960-1-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2960-0-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2960-25-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2992-34-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2992-37-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2992-27-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2992-32-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2992-33-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2992-26-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2992-36-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2992-24-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2992-38-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2992-39-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2992-40-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2992-42-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2992-43-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2992-44-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads