520215e153a9df9aa163906d070934e945d6589acd9032d6b70a81cfaabdd453

General

Target

4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
Size

198KB
MD5

4dd0c6ed7e81fb426d0d7de408104250
SHA1

36ff5da3abd0bb17fa19782a900f96a7c108bb37
SHA256

520215e153a9df9aa163906d070934e945d6589acd9032d6b70a81cfaabdd453
SHA512

a23f39c826f8ff45ccfe093eb59a7494c430281b01255529149cd99e521a6ad9fe354766477fb18fa040d41d35bd67cc959f3ea903de1e8a824454770ca14181
SSDEEP

6144:Wur3y6iJv8XQ/g4cDxI5ba2mA9FWra0Ge:ftovP/LwI5ba27MrlGe

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
372	WQBIJ.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	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "F:\\$RECYCLE.BIN\\DCESSDW.EXE \"%1\" %*"	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	WQBIJ.EXE

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2528-0-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/files/0x0008000000022f51-10.dat	upx
behavioral2/memory/372-23-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/2528-25-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/372-26-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/372-27-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/372-28-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/372-30-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/372-31-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/372-32-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/372-33-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/372-34-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/372-35-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/372-36-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/372-37-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/372-38-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/372-39-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/372-40-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral2/memory/372-41-0x0000000000400000-0x0000000000478000-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\DCESSDW.EXE = "F:\\$RECYCLE.BIN\\DCESSDW.EXE"	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.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)	\??\U:	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
File opened (read-only)	\??\Q:	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
File opened (read-only)	\??\R:	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
File opened (read-only)	\??\H:	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
File opened (read-only)	\??\N:	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
File opened (read-only)	\??\J:	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
File opened (read-only)	\??\K:	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
File opened (read-only)	\??\L:	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
File opened (read-only)	\??\O:	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
File opened (read-only)	\??\P:	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
File opened (read-only)	\??\T:	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
File opened (read-only)	\??\E:	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
File opened (read-only)	\??\G:	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
File opened (read-only)	\??\V:	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
File opened (read-only)	\??\S:	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
File opened (read-only)	\??\I:	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
File opened (read-only)	\??\M:	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WQBIJ.EXE	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
File opened for modification	C:\Program Files (x86)\WQBIJ.EXE	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell\open\command	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file\shell\open	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command\ = "C:\\Program Files (x86)\\WQBIJ.EXE \"%1\""	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell\open\command	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\chm.file	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\inifile\shell\open\command\ = "F:\\$RECYCLE.BIN\\DCESSDW.EXE %1"	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "F:\\$RECYCLE.BIN\\DCESSDW.EXE \"%1\" %*"	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "C:\\Program Files (x86)\\WQBIJ.EXE \"%1\""	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	WQBIJ.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Program Files (x86)\\WQBIJ.EXE %1"	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
372	WQBIJ.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 372	2528	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe	80
PID 2528 wrote to memory of 372	2528	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe	80
PID 2528 wrote to memory of 372	2528	4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe	80

C:\Users\Admin\AppData\Local\Temp\4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\4dd0c6ed7e81fb426d0d7de408104250_NEIKI.exe"
1⤵
- Modifies system executable filetype association
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Program Files (x86)\WQBIJ.EXE
  "C:\Program Files (x86)\WQBIJ.EXE"
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  PID:372

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

Replay Monitor

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Downloads

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

Filesize
198KB

MD5
48a04cc6b4bf2cdea131cb73db1ca070

SHA1
4d235e425b1190c6d2e809610ca198338a1f6ed2

SHA256
f88e3424bc5f342d82872e30c0127a5fe07ec6822189dc3912c5c2d6ca6e139e

SHA512
14905b657e8c2c4588c2f4c9cb8abce8247f2b7fb7c082a474c13117abcf92e7ff03907c24b4b6ba1e466271e7329e48c8857d7f174266ec349917e63f397520

Download Submit
memory/372-30-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/372-32-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/372-23-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/372-41-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/372-24-0x00000000021E0000-0x00000000021E1000-memory.dmp

Filesize
4KB

Download
memory/372-26-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/372-27-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/372-28-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/372-29-0x00000000021E0000-0x00000000021E1000-memory.dmp

Filesize
4KB

Download
memory/372-40-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/372-39-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/372-33-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/372-31-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/372-34-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/372-35-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/372-36-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/372-37-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/372-38-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2528-1-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/2528-0-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2528-25-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads