a597e3296b3e0adbb6a791ba706fe456522452eaea594533de7c8fff3942cdd4

General

Target

ac73d3ab2ca930996226857a8cfdbffa.exe
Size

512KB
MD5

ac73d3ab2ca930996226857a8cfdbffa
SHA1

74b5bc3ac9e2b076f172d7ecc448a145942773dc
SHA256

a597e3296b3e0adbb6a791ba706fe456522452eaea594533de7c8fff3942cdd4
SHA512

ec16405c62f51053d74c1e619015344fb50f36b798c57b52569bd9042da112395ab487f367a05c0ea7597d8903a1ebe421c1894345bebc75f5a1a3a83c247db3
SSDEEP

6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6Y:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5N

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
2516	xynaokiyhy.exe
3660	vsdpzwjeiozaguc.exe
4308	hmiwjvlv.exe
4704	xzesgysclmqwa.exe

AutoIT Executable 6 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2492-0-0x0000000000400000-0x0000000000496000-memory.dmp	autoit_exe
behavioral2/files/0x00090000000231fb-19.dat	autoit_exe
behavioral2/files/0x0006000000023214-29.dat	autoit_exe
behavioral2/files/0x00090000000231fb-18.dat	autoit_exe
behavioral2/files/0x0008000000023208-5.dat	autoit_exe
behavioral2/files/0x0006000000023224-123.dat	autoit_exe

Drops file in System32 directory 8 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\xzesgysclmqwa.exe	ac73d3ab2ca930996226857a8cfdbffa.exe
File opened for modification	C:\Windows\SysWOW64\xzesgysclmqwa.exe	ac73d3ab2ca930996226857a8cfdbffa.exe
File created	C:\Windows\SysWOW64\xynaokiyhy.exe	ac73d3ab2ca930996226857a8cfdbffa.exe
File opened for modification	C:\Windows\SysWOW64\xynaokiyhy.exe	ac73d3ab2ca930996226857a8cfdbffa.exe
File created	C:\Windows\SysWOW64\vsdpzwjeiozaguc.exe	ac73d3ab2ca930996226857a8cfdbffa.exe
File opened for modification	C:\Windows\SysWOW64\vsdpzwjeiozaguc.exe	ac73d3ab2ca930996226857a8cfdbffa.exe
File created	C:\Windows\SysWOW64\hmiwjvlv.exe	ac73d3ab2ca930996226857a8cfdbffa.exe
File opened for modification	C:\Windows\SysWOW64\hmiwjvlv.exe	ac73d3ab2ca930996226857a8cfdbffa.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mydoc.rtf	ac73d3ab2ca930996226857a8cfdbffa.exe

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

System Information Discovery
T1082

Modifies registry class 7 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\CLV.Classes	ac73d3ab2ca930996226857a8cfdbffa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com1 = "32322D089C2783276A3376A2702F2DD77D8665AB"	ac73d3ab2ca930996226857a8cfdbffa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com2 = "6BCAF9CEF910F299847A3A4686EA3994B0FD02FB42620338E1C9459E08A9"	ac73d3ab2ca930996226857a8cfdbffa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com3 = "2FC3B15C47E7389E53C4B9D43299D4B9"	ac73d3ab2ca930996226857a8cfdbffa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com4 = "7FF9FC8D485C82129146D62E7E96BDEEE147594A66466242D7EC"	ac73d3ab2ca930996226857a8cfdbffa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom1 = "E7F568B2FE1B21ABD178D0A58B0E9062"	ac73d3ab2ca930996226857a8cfdbffa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom2 = "1844C60F1493DAB6B9BB7FE0ED9034CD"	ac73d3ab2ca930996226857a8cfdbffa.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2492	ac73d3ab2ca930996226857a8cfdbffa.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2516	xynaokiyhy.exe
3660	vsdpzwjeiozaguc.exe

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2492	ac73d3ab2ca930996226857a8cfdbffa.exe
2516	xynaokiyhy.exe
3660	vsdpzwjeiozaguc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2516	2492	ac73d3ab2ca930996226857a8cfdbffa.exe	27
PID 2492 wrote to memory of 2516	2492	ac73d3ab2ca930996226857a8cfdbffa.exe	27
PID 2492 wrote to memory of 2516	2492	ac73d3ab2ca930996226857a8cfdbffa.exe	27
PID 2492 wrote to memory of 3660	2492	ac73d3ab2ca930996226857a8cfdbffa.exe	26
PID 2492 wrote to memory of 3660	2492	ac73d3ab2ca930996226857a8cfdbffa.exe	26
PID 2492 wrote to memory of 3660	2492	ac73d3ab2ca930996226857a8cfdbffa.exe	26
PID 2492 wrote to memory of 4308	2492	ac73d3ab2ca930996226857a8cfdbffa.exe	25
PID 2492 wrote to memory of 4308	2492	ac73d3ab2ca930996226857a8cfdbffa.exe	25
PID 2492 wrote to memory of 4308	2492	ac73d3ab2ca930996226857a8cfdbffa.exe	25
PID 2492 wrote to memory of 4704	2492	ac73d3ab2ca930996226857a8cfdbffa.exe	24
PID 2492 wrote to memory of 4704	2492	ac73d3ab2ca930996226857a8cfdbffa.exe	24
PID 2492 wrote to memory of 4704	2492	ac73d3ab2ca930996226857a8cfdbffa.exe	24

C:\Users\Admin\AppData\Local\Temp\ac73d3ab2ca930996226857a8cfdbffa.exe
"C:\Users\Admin\AppData\Local\Temp\ac73d3ab2ca930996226857a8cfdbffa.exe"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
  "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
  2⤵
  PID:4908
- C:\Windows\SysWOW64\xzesgysclmqwa.exe
  xzesgysclmqwa.exe
  2⤵
  - Executes dropped EXE
  PID:4704
- C:\Windows\SysWOW64\hmiwjvlv.exe
  hmiwjvlv.exe
  2⤵
  - Executes dropped EXE
  PID:4308
- C:\Windows\SysWOW64\vsdpzwjeiozaguc.exe
  vsdpzwjeiozaguc.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:3660
- C:\Windows\SysWOW64\xynaokiyhy.exe
  xynaokiyhy.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2516

C:\Windows\SysWOW64\hmiwjvlv.exe
C:\Windows\system32\hmiwjvlv.exe
1⤵
PID:2824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

Filesize
3KB

MD5
d06ead767e7b127e5ebbebbcd001f237

SHA1
64916a365e6d809e36da4fbfa41c00418a3ae2d0

SHA256
e7c417188a8f6255875705fe9dc447a6efc0855798f437277d158316ec6c1051

SHA512
a8fc47d3abd4370a45fe388da66562f979e0beffe16458030257db77a851ae7400891bb1f60d275ac36e5e8a00bad8a1f60ae8c5b8ca4c3c13f210eca3234190

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

Filesize
3KB

MD5
c8b7c837807d0d8ed0a9d5314e313301

SHA1
2b56b58722375cf2f3b830f2e83325647df694c3

SHA256
b8dd00b90061b7eece81890bab3c94f148f38d1201e10c20eed2e91263a8a799

SHA512
81507647c05ea86582e4851f6b7cfbb17413d5e2295bc2198fd06ee655208973cbcabd467f8ec0aea3df2bb48d1cc16b949994951c38f2ba39231621ec7e8a94

Download Submit
C:\Windows\SysWOW64\vsdpzwjeiozaguc.exe

Filesize
512KB

MD5
829db798fa057a51c4c4bcad479c5415

SHA1
fc18df39a8d5e5cf4369bd931877a46ee42a10d8

SHA256
601ba1c48f53e5500fa9f79ad7f8063f16c1f45921f90c9cf51dc1e2c1e336a5

SHA512
579f4a9391cf8801ffeca928593c9536c1f2add962b2a8b0098dc16b686e34ea2b14679413fba7ddb9a85fc0acd759334b080415cc6a49101845d51b12cb13ee

Download Submit
C:\Windows\SysWOW64\xynaokiyhy.exe

Filesize
512KB

MD5
2f8eabbbbe6416d459866ce4a3145d7d

SHA1
0b7a88d34a2317de822aa4dd87fe5e5b88c5093d

SHA256
7170cc0155e7ae7a94c3c2cc3e092e0da1a15a419b4ba803a49386f66476f426

SHA512
c090db12325e839d6c332750af625f4368bc53fbad7fff9a87beef7338d777b1ca097ed3b4ee81efd81014748b168fab5a14c4c3ce64b11d33c3061cb27f6f0f

Download Submit
C:\Windows\SysWOW64\xynaokiyhy.exe

Filesize
92KB

MD5
59ebf1358a9b829f5709baaedeeee6fa

SHA1
1409fd65da1b814db0a08feae54366dfca196f1c

SHA256
d251f3126813d9f42461b0d23153c37c405979347a47fb0f04e0503beaf31a06

SHA512
a2d71b94a087aa6d376f4f065d9f7ff987fd50ea93949372fa9ef5b6692b45cef7ae267c88376b9d2953e4476496f67af1173e9f0f8ba81101dc94c6872cf417

Download Submit
\??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe

Filesize
512KB

MD5
4b958b101cc75c5b3d9540aa26c60382

SHA1
544d6f01e5fa521c461a562b1a0b56705f73cfcc

SHA256
70092e690917209bf607377fbf942285960051bd1568fc843c5fb1c323cb6ee0

SHA512
48412b6b1a242821b6001fa6b2be2c21134cae1d6dfbb2ae6acf873426f6d3ea794daa355f228094055ef9e4a05e0c4a2b856de03e1d57d2bca2fdccaef33da0

Download Submit
memory/2492-0-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/4908-57-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-36-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-54-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-59-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-58-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-55-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-52-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-51-0x00007FFC8B8B0000-0x00007FFC8B8C0000-memory.dmp

Filesize
64KB

Download
memory/4908-48-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-47-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-43-0x00007FFC8E1B0000-0x00007FFC8E1C0000-memory.dmp

Filesize
64KB

Download
memory/4908-44-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-42-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-41-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-40-0x00007FFC8E1B0000-0x00007FFC8E1C0000-memory.dmp

Filesize
64KB

Download
memory/4908-39-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-38-0x00007FFC8E1B0000-0x00007FFC8E1C0000-memory.dmp

Filesize
64KB

Download
memory/4908-56-0x00007FFC8B8B0000-0x00007FFC8B8C0000-memory.dmp

Filesize
64KB

Download
memory/4908-53-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-50-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-49-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-37-0x00007FFC8E1B0000-0x00007FFC8E1C0000-memory.dmp

Filesize
64KB

Download
memory/4908-35-0x00007FFC8E1B0000-0x00007FFC8E1C0000-memory.dmp

Filesize
64KB

Download
memory/4908-125-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-126-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-127-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-155-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-154-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-153-0x00007FFCCE130000-0x00007FFCCE325000-memory.dmp

Filesize
2.0MB

Download
memory/4908-152-0x00007FFC8E1B0000-0x00007FFC8E1C0000-memory.dmp

Filesize
64KB

Download
memory/4908-151-0x00007FFC8E1B0000-0x00007FFC8E1C0000-memory.dmp

Filesize
64KB

Download
memory/4908-150-0x00007FFC8E1B0000-0x00007FFC8E1C0000-memory.dmp

Filesize
64KB

Download
memory/4908-149-0x00007FFC8E1B0000-0x00007FFC8E1C0000-memory.dmp

Filesize
64KB

Download

Analysis

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