df3f832d5e09b3400c26d23bac177ede194eb5c27fcfaeab3f29b3ed03a492b9

General

Target

df3f832d5e09b3400c26d23bac177ede194eb5c27fcfaeab3f29b3ed03a492b9.exe
Size

252KB
MD5

6194370c4f0d30f4b4a617aaeb03e066
SHA1

9021444550b07341d35ecfaa6cc87e346ea986cf
SHA256

df3f832d5e09b3400c26d23bac177ede194eb5c27fcfaeab3f29b3ed03a492b9
SHA512

f0939168c4629e61ad74d4e8c1698d863ab888d15c7a5e725c2fa8eda7b6d8c0b30ad442f0fc35a20d70c42bd23ca03de4130016b603abf4f88196260867b9fd
SSDEEP

6144:9FS4H7t3Pzj/WDeqWJ2SibWmNjOYcDw8gYtDd83Ejfi2HTNcu:9BpPv1dQFSV4K+3CHRH

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3164	server.exe

Loads dropped DLL 2 IoCs

pid	Process
4336	df3f832d5e09b3400c26d23bac177ede194eb5c27fcfaeab3f29b3ed03a492b9.exe
3164	server.exe

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\RunOnce	df3f832d5e09b3400c26d23bac177ede194eb5c27fcfaeab3f29b3ed03a492b9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	df3f832d5e09b3400c26d23bac177ede194eb5c27fcfaeab3f29b3ed03a492b9.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wmimgr32.dl_	df3f832d5e09b3400c26d23bac177ede194eb5c27fcfaeab3f29b3ed03a492b9.exe
File created	C:\Windows\SysWOW64\wmimgr32.dll	df3f832d5e09b3400c26d23bac177ede194eb5c27fcfaeab3f29b3ed03a492b9.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\PROGRAM FILES\7-ZIP\7z.exe	df3f832d5e09b3400c26d23bac177ede194eb5c27fcfaeab3f29b3ed03a492b9.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	df3f832d5e09b3400c26d23bac177ede194eb5c27fcfaeab3f29b3ed03a492b9.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4336	df3f832d5e09b3400c26d23bac177ede194eb5c27fcfaeab3f29b3ed03a492b9.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4336 wrote to memory of 3164	4336	df3f832d5e09b3400c26d23bac177ede194eb5c27fcfaeab3f29b3ed03a492b9.exe	82
PID 4336 wrote to memory of 3164	4336	df3f832d5e09b3400c26d23bac177ede194eb5c27fcfaeab3f29b3ed03a492b9.exe	82
PID 4336 wrote to memory of 3164	4336	df3f832d5e09b3400c26d23bac177ede194eb5c27fcfaeab3f29b3ed03a492b9.exe	82

C:\Users\Admin\AppData\Local\Temp\df3f832d5e09b3400c26d23bac177ede194eb5c27fcfaeab3f29b3ed03a492b9.exe
"C:\Users\Admin\AppData\Local\Temp\df3f832d5e09b3400c26d23bac177ede194eb5c27fcfaeab3f29b3ed03a492b9.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4336
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3164

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe

Filesize
74KB

MD5
eef3574b100e2621bb398716b56bb383

SHA1
21f74faaa9b0d4086c976af384c3c0729cd6f1e0

SHA256
3340f2499b0a75b565e170c312694be7fe56e702ece087def05c7c333e8d3dd1

SHA512
34d53669e4bb0a39e88d0351890a801be0d095dc9b22e542685921d0c4f5a562c18f1c078ed69175343e6286bb010c14a34f6dacd9109b3e50b786b9783ecccc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe

Filesize
74KB

MD5
eef3574b100e2621bb398716b56bb383

SHA1
21f74faaa9b0d4086c976af384c3c0729cd6f1e0

SHA256
3340f2499b0a75b565e170c312694be7fe56e702ece087def05c7c333e8d3dd1

SHA512
34d53669e4bb0a39e88d0351890a801be0d095dc9b22e542685921d0c4f5a562c18f1c078ed69175343e6286bb010c14a34f6dacd9109b3e50b786b9783ecccc

Download Submit
C:\Windows\SysWOW64\wmimgr32.dll

Filesize
23KB

MD5
9ebb3e4fc0c32524ba4098e214a06150

SHA1
41d0964a70edc0875ff9a8091b6911e18684e1ed

SHA256
f183002d0c6412dc694b580e0b33194766921415e77f713d46cb29dac6ae196d

SHA512
d7338292e03fd374fec772787e7561a6d6e9ca0b108cf4b6e9f79647bf0f64960ec78979e986f8bfa9874d907ecacca81183faacdd350e890c0dab02ca50298a

Download Submit
C:\Windows\SysWOW64\wmimgr32.dll

Filesize
23KB

MD5
9ebb3e4fc0c32524ba4098e214a06150

SHA1
41d0964a70edc0875ff9a8091b6911e18684e1ed

SHA256
f183002d0c6412dc694b580e0b33194766921415e77f713d46cb29dac6ae196d

SHA512
d7338292e03fd374fec772787e7561a6d6e9ca0b108cf4b6e9f79647bf0f64960ec78979e986f8bfa9874d907ecacca81183faacdd350e890c0dab02ca50298a

Download Submit
C:\Windows\SysWOW64\wmimgr32.dll

Filesize
23KB

MD5
9ebb3e4fc0c32524ba4098e214a06150

SHA1
41d0964a70edc0875ff9a8091b6911e18684e1ed

SHA256
f183002d0c6412dc694b580e0b33194766921415e77f713d46cb29dac6ae196d

SHA512
d7338292e03fd374fec772787e7561a6d6e9ca0b108cf4b6e9f79647bf0f64960ec78979e986f8bfa9874d907ecacca81183faacdd350e890c0dab02ca50298a

Download Submit
memory/3164-142-0x0000000044440000-0x000000004445C000-memory.dmp

Filesize
112KB

Download
memory/3164-145-0x0000000044440000-0x000000004445C000-memory.dmp

Filesize
112KB

Download
memory/4336-132-0x0000000001000000-0x000000000103F000-memory.dmp

Filesize
252KB

Download
memory/4336-136-0x0000000000550000-0x0000000000589000-memory.dmp

Filesize
228KB

Download
memory/4336-135-0x0000000000500000-0x0000000000504000-memory.dmp

Filesize
16KB

Download
memory/4336-134-0x0000000001000000-0x000000000103F000-memory.dmp

Filesize
252KB

Download
memory/4336-143-0x0000000001000000-0x000000000103F000-memory.dmp

Filesize
252KB

Download
memory/4336-144-0x0000000000550000-0x0000000000589000-memory.dmp

Filesize
228KB

Download
memory/4336-146-0x0000000001000000-0x000000000103F000-memory.dmp

Filesize
252KB

Download

Analysis

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