c4e3c6000fc937d825ebfdf9d5b2aadd81186d90da510bef2432964af1d62d1d

General

Target

cd4e8962d82120d9b798d57ea802db00N.exe
Size

245KB
MD5

cd4e8962d82120d9b798d57ea802db00
SHA1

9dfa8016fed67ebdaee5839a30b78d5ae8605f48
SHA256

c4e3c6000fc937d825ebfdf9d5b2aadd81186d90da510bef2432964af1d62d1d
SHA512

9ba4573097e28d041b93679f87eb2bc99be9d4587a881a69bd6cec34ae897611986ed24ce41288acf2cb222118dc26100d498d356b8d1be0f6375312ccdb1de1
SSDEEP

6144:0+nN0pEJitnhZA/8G6JDDYcXPlwpHejGufzk:jnNeEJwnhmX2DDYklwZJ

Score

10^/10

evasion persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe IEXPLORERS.exe"	cd4e8962d82120d9b798d57ea802db00N.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	cd4e8962d82120d9b798d57ea802db00N.exe

Disables Task Manager via registry modification
evasion

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2428-0-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/files/0x00070000000234ec-5.dat	upx
behavioral2/memory/2428-12-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/2428-13-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/2428-14-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/2428-15-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/2428-16-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/2428-17-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/2428-18-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/2428-19-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/2428-20-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/2428-21-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/2428-22-0x0000000000400000-0x0000000000499000-memory.dmp	upx
behavioral2/memory/2428-23-0x0000000000400000-0x0000000000499000-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\USER\S-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Yahoo Messengger = "C:\\Windows\\system32\\IEXPLORERS.exe"	cd4e8962d82120d9b798d57ea802db00N.exe

Enumerates connected drives 3 TTPs 23 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)	\??\g:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\s:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\z:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\a:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\k:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\l:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\o:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\u:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\v:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\e:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\h:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\i:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\m:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\t:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\r:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\w:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\x:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\b:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\j:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\n:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\p:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\q:	cd4e8962d82120d9b798d57ea802db00N.exe
File opened (read-only)	\??\y:	cd4e8962d82120d9b798d57ea802db00N.exe

AutoIT Executable 12 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2428-12-0x0000000000400000-0x0000000000499000-memory.dmp	autoit_exe
behavioral2/memory/2428-13-0x0000000000400000-0x0000000000499000-memory.dmp	autoit_exe
behavioral2/memory/2428-14-0x0000000000400000-0x0000000000499000-memory.dmp	autoit_exe
behavioral2/memory/2428-15-0x0000000000400000-0x0000000000499000-memory.dmp	autoit_exe
behavioral2/memory/2428-16-0x0000000000400000-0x0000000000499000-memory.dmp	autoit_exe
behavioral2/memory/2428-17-0x0000000000400000-0x0000000000499000-memory.dmp	autoit_exe
behavioral2/memory/2428-18-0x0000000000400000-0x0000000000499000-memory.dmp	autoit_exe
behavioral2/memory/2428-19-0x0000000000400000-0x0000000000499000-memory.dmp	autoit_exe
behavioral2/memory/2428-20-0x0000000000400000-0x0000000000499000-memory.dmp	autoit_exe
behavioral2/memory/2428-21-0x0000000000400000-0x0000000000499000-memory.dmp	autoit_exe
behavioral2/memory/2428-22-0x0000000000400000-0x0000000000499000-memory.dmp	autoit_exe
behavioral2/memory/2428-23-0x0000000000400000-0x0000000000499000-memory.dmp	autoit_exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WORD.exe	cd4e8962d82120d9b798d57ea802db00N.exe
File opened for modification	C:\Windows\SysWOW64\WORD.exe	cd4e8962d82120d9b798d57ea802db00N.exe
File opened for modification	C:\Windows\SysWOW64\autorun.ini	cd4e8962d82120d9b798d57ea802db00N.exe
File created	C:\Windows\SysWOW64\IEXPLORERS.exe	cd4e8962d82120d9b798d57ea802db00N.exe
File opened for modification	C:\Windows\SysWOW64\IEXPLORERS.exe	cd4e8962d82120d9b798d57ea802db00N.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\IEXPLORERS.exe	cd4e8962d82120d9b798d57ea802db00N.exe
File opened for modification	C:\Windows\IEXPLORERS.exe	cd4e8962d82120d9b798d57ea802db00N.exe
File created	C:\Windows\setting.ini	cd4e8962d82120d9b798d57ea802db00N.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe
2428	cd4e8962d82120d9b798d57ea802db00N.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 3248	2428	cd4e8962d82120d9b798d57ea802db00N.exe	84
PID 2428 wrote to memory of 3248	2428	cd4e8962d82120d9b798d57ea802db00N.exe	84
PID 2428 wrote to memory of 3248	2428	cd4e8962d82120d9b798d57ea802db00N.exe	84
PID 3248 wrote to memory of 1956	3248	cmd.exe	86
PID 3248 wrote to memory of 1956	3248	cmd.exe	86
PID 3248 wrote to memory of 1956	3248	cmd.exe	86
PID 2428 wrote to memory of 2884	2428	cd4e8962d82120d9b798d57ea802db00N.exe	88
PID 2428 wrote to memory of 2884	2428	cd4e8962d82120d9b798d57ea802db00N.exe	88
PID 2428 wrote to memory of 2884	2428	cd4e8962d82120d9b798d57ea802db00N.exe	88
PID 2884 wrote to memory of 3184	2884	cmd.exe	90
PID 2884 wrote to memory of 3184	2884	cmd.exe	90
PID 2884 wrote to memory of 3184	2884	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\cd4e8962d82120d9b798d57ea802db00N.exe
"C:\Users\Admin\AppData\Local\Temp\cd4e8962d82120d9b798d57ea802db00N.exe"
1⤵
- Modifies WinLogon for persistence
- Disables RegEdit via registry modification
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /C AT /delete /yes
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3248
- - C:\Windows\SysWOW64\at.exe
    AT /delete /yes
    3⤵
    PID:1956
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\WORD.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2884
- - C:\Windows\SysWOW64\at.exe
    AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\WORD.exe
    3⤵
    PID:3184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\WORD.exe

Filesize
245KB

MD5
cd4e8962d82120d9b798d57ea802db00

SHA1
9dfa8016fed67ebdaee5839a30b78d5ae8605f48

SHA256
c4e3c6000fc937d825ebfdf9d5b2aadd81186d90da510bef2432964af1d62d1d

SHA512
9ba4573097e28d041b93679f87eb2bc99be9d4587a881a69bd6cec34ae897611986ed24ce41288acf2cb222118dc26100d498d356b8d1be0f6375312ccdb1de1

Download Submit
C:\Windows\SysWOW64\autorun.ini

Filesize
109B

MD5
eb042d818a822dbf489ffa823d4a9cba

SHA1
ea7dac4e1cc65c3f31d7dabc4c4c39ba28bba2fd

SHA256
d32c59c51010bee7b4ff09d0832bd7f5df8b3b20559ac68f14c8b3f016c73bb9

SHA512
536adebee9697798163f157544c4a1341642e4a46a438c40b988b532cc0a481d8ab9dfc08cabc70e8b2e02ae4283ce0d129f2ea46f1f568f83133b6622281072

Download Submit
memory/2428-15-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/2428-12-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/2428-13-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/2428-14-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/2428-0-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/2428-16-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/2428-17-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/2428-18-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/2428-19-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/2428-20-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/2428-21-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/2428-22-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download
memory/2428-23-0x0000000000400000-0x0000000000499000-memory.dmp

Filesize
612KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads