91609cc26eb99f12c511a60144456c148cf2e5219882c36dcf403ec9cfa23d62

Analysis

max time kernel
224s
max time network
248s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2022, 19:16

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General

Target

91609cc26eb99f12c511a60144456c148cf2e5219882c36dcf403ec9cfa23d62.exe
Size

248KB
MD5

c2cfedb51cdb805c600985af29e13918
SHA1

89f4eadb77ece4b1da90faa12da466af1e5f3276
SHA256

91609cc26eb99f12c511a60144456c148cf2e5219882c36dcf403ec9cfa23d62
SHA512

31df38fe3323fcb526a851c945c31a56fba54aff2b74581c713007185114078f6324f7eb011e5a8c59ffd052cbaf94b4dec0a1752aaabb26a34dddfe1b01c4fe
SSDEEP

6144:wv8OCXmikdlT6vg1ozZhd08bLjHWkg64Htf7YRU0OwFf3Uot5:CmXSdlGqozZkmHWkgDsFOwRH5

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2188	1.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
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\\\""	91609cc26eb99f12c511a60144456c148cf2e5219882c36dcf403ec9cfa23d62.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	91609cc26eb99f12c511a60144456c148cf2e5219882c36dcf403ec9cfa23d62.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2188	1.exe
2188	1.exe
2188	1.exe
2188	1.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3532 wrote to memory of 2188	3532	91609cc26eb99f12c511a60144456c148cf2e5219882c36dcf403ec9cfa23d62.exe	80
PID 3532 wrote to memory of 2188	3532	91609cc26eb99f12c511a60144456c148cf2e5219882c36dcf403ec9cfa23d62.exe	80
PID 3532 wrote to memory of 2188	3532	91609cc26eb99f12c511a60144456c148cf2e5219882c36dcf403ec9cfa23d62.exe	80
PID 2188 wrote to memory of 2640	2188	1.exe	53
PID 2188 wrote to memory of 2640	2188	1.exe	53
PID 2188 wrote to memory of 2640	2188	1.exe	53
PID 2188 wrote to memory of 2640	2188	1.exe	53

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2640
- C:\Users\Admin\AppData\Local\Temp\91609cc26eb99f12c511a60144456c148cf2e5219882c36dcf403ec9cfa23d62.exe
  "C:\Users\Admin\AppData\Local\Temp\91609cc26eb99f12c511a60144456c148cf2e5219882c36dcf403ec9cfa23d62.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3532
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2188

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

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\1.exe

Filesize
31KB

MD5
ecd3f3b4e259d27b7161ac1c38fd592d

SHA1
b10155fcf11ec48717ef3ed94d66e77efe418b37

SHA256
44f39488ed0fdf8e6b5747a471bea6716045adfea2bb327af8d8bbd55d8c8319

SHA512
4c4c743d5eb5c80af895f150a696ee7840380bacf52c28545b4196608b2b0d6b6828fbba3e0fa1b163caf4bb1c0eecc645545cf90891401f952929ca569ded08

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1.exe

Filesize
31KB

MD5
ecd3f3b4e259d27b7161ac1c38fd592d

SHA1
b10155fcf11ec48717ef3ed94d66e77efe418b37

SHA256
44f39488ed0fdf8e6b5747a471bea6716045adfea2bb327af8d8bbd55d8c8319

SHA512
4c4c743d5eb5c80af895f150a696ee7840380bacf52c28545b4196608b2b0d6b6828fbba3e0fa1b163caf4bb1c0eecc645545cf90891401f952929ca569ded08

Download Submit
memory/2188-142-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/2188-140-0x0000000000400000-0x0000000000408960-memory.dmp

Filesize
34KB

Download
memory/2640-141-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

Filesize
28KB

Download
memory/3532-135-0x0000000000A20000-0x0000000000A59000-memory.dmp

Filesize
228KB

Download
memory/3532-139-0x0000000001000000-0x000000000103E000-memory.dmp

Filesize
248KB

Download
memory/3532-134-0x0000000000510000-0x0000000000514000-memory.dmp

Filesize
16KB

Download
memory/3532-132-0x0000000001000000-0x000000000103E000-memory.dmp

Filesize
248KB

Download
memory/3532-133-0x0000000001000000-0x000000000103E000-memory.dmp

Filesize
248KB

Download
memory/3532-143-0x0000000001000000-0x000000000103E000-memory.dmp

Filesize
248KB

Download
memory/3532-144-0x0000000000A20000-0x0000000000A59000-memory.dmp

Filesize
228KB

Download