da9046832895a1dbec0bb8131264092038e61ee71714c50851f8562048211d6f

Analysis

max time kernel
9s
max time network
34s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 00:34 UTC

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General

Target

da9046832895a1dbec0bb8131264092038e61ee71714c50851f8562048211d6f.exe
Size

149KB
MD5

0e1a029cfa941315833e4ff9d29e0e1b
SHA1

cb6a11c746f93ca2370cd4b66431b248c1db3603
SHA256

da9046832895a1dbec0bb8131264092038e61ee71714c50851f8562048211d6f
SHA512

99e3541bf8c25e96c64ed19a482a671a5cd6b7f9e2a0f1ad961fc2dbecdec11d81bbd751bcb55e1aec441588d20e64a59b5271ee410de8931e0de8a70579adbc
SSDEEP

3072:VydJq5oyVzs+h0J65J0SpUlf6UkIRJem1XEOGbStOj3bFjx24OzY1:gW2+jUYE/E12cj3bb1

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1396	Server.exe
1408	Server.exe

Loads dropped DLL 2 IoCs

pid	Process
1632	da9046832895a1dbec0bb8131264092038e61ee71714c50851f8562048211d6f.exe
1632	da9046832895a1dbec0bb8131264092038e61ee71714c50851f8562048211d6f.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	da9046832895a1dbec0bb8131264092038e61ee71714c50851f8562048211d6f.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\\\""	da9046832895a1dbec0bb8131264092038e61ee71714c50851f8562048211d6f.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 1396	1632	da9046832895a1dbec0bb8131264092038e61ee71714c50851f8562048211d6f.exe	28
PID 1632 wrote to memory of 1396	1632	da9046832895a1dbec0bb8131264092038e61ee71714c50851f8562048211d6f.exe	28
PID 1632 wrote to memory of 1396	1632	da9046832895a1dbec0bb8131264092038e61ee71714c50851f8562048211d6f.exe	28
PID 1632 wrote to memory of 1396	1632	da9046832895a1dbec0bb8131264092038e61ee71714c50851f8562048211d6f.exe	28
PID 1632 wrote to memory of 1408	1632	da9046832895a1dbec0bb8131264092038e61ee71714c50851f8562048211d6f.exe	29
PID 1632 wrote to memory of 1408	1632	da9046832895a1dbec0bb8131264092038e61ee71714c50851f8562048211d6f.exe	29
PID 1632 wrote to memory of 1408	1632	da9046832895a1dbec0bb8131264092038e61ee71714c50851f8562048211d6f.exe	29
PID 1632 wrote to memory of 1408	1632	da9046832895a1dbec0bb8131264092038e61ee71714c50851f8562048211d6f.exe	29

C:\Users\Admin\AppData\Local\Temp\da9046832895a1dbec0bb8131264092038e61ee71714c50851f8562048211d6f.exe
"C:\Users\Admin\AppData\Local\Temp\da9046832895a1dbec0bb8131264092038e61ee71714c50851f8562048211d6f.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Server.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Server.exe
  2⤵
  - Executes dropped EXE
  PID:1396
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Server.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Server.exe
  2⤵
  - Executes dropped EXE
  PID:1408

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\Server.exe

Filesize
193KB

MD5
dbe4c857907d6cecc1771d8f7f3aacc9

SHA1
f207f629904ac04608a81f4fa15e9b7f63b159cc

SHA256
36ac3e98c21c3ec94e7ff4ee65b99544f4053c841c4ce31afdbaa2abf21dd36c

SHA512
b7043f9b0f98f5f4c55e0a8595e01a8d8052fd77c9f31a47785c421b576eb4a5072070c94b0b13a108d65e8fade1be6d9053c1a93105ed5b7285b073eaf87893

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

Filesize
193KB

MD5
dbe4c857907d6cecc1771d8f7f3aacc9

SHA1
f207f629904ac04608a81f4fa15e9b7f63b159cc

SHA256
36ac3e98c21c3ec94e7ff4ee65b99544f4053c841c4ce31afdbaa2abf21dd36c

SHA512
b7043f9b0f98f5f4c55e0a8595e01a8d8052fd77c9f31a47785c421b576eb4a5072070c94b0b13a108d65e8fade1be6d9053c1a93105ed5b7285b073eaf87893

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\Server.exe

Filesize
193KB

MD5
dbe4c857907d6cecc1771d8f7f3aacc9

SHA1
f207f629904ac04608a81f4fa15e9b7f63b159cc

SHA256
36ac3e98c21c3ec94e7ff4ee65b99544f4053c841c4ce31afdbaa2abf21dd36c

SHA512
b7043f9b0f98f5f4c55e0a8595e01a8d8052fd77c9f31a47785c421b576eb4a5072070c94b0b13a108d65e8fade1be6d9053c1a93105ed5b7285b073eaf87893

Download Submit
\Users\Admin\AppData\Local\Temp\IXP000.TMP\Server.exe

Filesize
193KB

MD5
dbe4c857907d6cecc1771d8f7f3aacc9

SHA1
f207f629904ac04608a81f4fa15e9b7f63b159cc

SHA256
36ac3e98c21c3ec94e7ff4ee65b99544f4053c841c4ce31afdbaa2abf21dd36c

SHA512
b7043f9b0f98f5f4c55e0a8595e01a8d8052fd77c9f31a47785c421b576eb4a5072070c94b0b13a108d65e8fade1be6d9053c1a93105ed5b7285b073eaf87893

Download Submit
memory/1396-57-0x0000000000400000-0x0000000000410400-memory.dmp

Filesize
65KB

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