cf3d7a91aec590f5edd94355f3c7e8e80ec3a06ed12d04306ab2dd214051539f

Analysis

max time kernel
170s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 07:40

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General

Target

5d1f38cf355b4a118b83fa5b881f327f.exe
Size

60KB
MD5

5d1f38cf355b4a118b83fa5b881f327f
SHA1

62982aef390a93e295bd1bc9824baad7905568a9
SHA256

cf3d7a91aec590f5edd94355f3c7e8e80ec3a06ed12d04306ab2dd214051539f
SHA512

8030a78dafec0a9484b6b08df3c2092dcc32bea297ebdea55e6d875c89c23e2c872c0e3f39b05784b5e975cdb1209ad811be1c85b515c2c293c5eb609b79077c
SSDEEP

768:th/aMCuumMOqgug7VnYxKWuENXvekvI5JhojaWeBZwVzlDJ28TqWyoZ0oRcg9:tDCunVnLWFvI7mOWeBZwBlDYBodRcg9

Score

6^/10

persistence

Malware Config

Signatures

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\iexpand.exe = "iexpand.exe"	5d1f38cf355b4a118b83fa5b881f327f.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\SysWOW64\IEXPAND.EXE	5d1f38cf355b4a118b83fa5b881f327f.exe
File opened for modification	C:\WINDOWS\SysWOW64\IEXPAND.EXE	5d1f38cf355b4a118b83fa5b881f327f.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4064	5d1f38cf355b4a118b83fa5b881f327f.exe
4064	5d1f38cf355b4a118b83fa5b881f327f.exe
4064	5d1f38cf355b4a118b83fa5b881f327f.exe
4064	5d1f38cf355b4a118b83fa5b881f327f.exe
4064	5d1f38cf355b4a118b83fa5b881f327f.exe
4064	5d1f38cf355b4a118b83fa5b881f327f.exe

C:\Users\Admin\AppData\Local\Temp\5d1f38cf355b4a118b83fa5b881f327f.exe
"C:\Users\Admin\AppData\Local\Temp\5d1f38cf355b4a118b83fa5b881f327f.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:4064
- C:\WINDOWS\SysWOW64\IEXPAND.EXE
  "C:\WINDOWS\SYSTEM32\IEXPAND.EXE" C:\Users\Admin\AppData\Local\Temp\5d1f38cf355b4a118b83fa5b881f327f.exe
  2⤵
  PID:3392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\WINDOWS\SysWOW64\IEXPAND.EXE

Filesize
60KB

MD5
5d1f38cf355b4a118b83fa5b881f327f

SHA1
62982aef390a93e295bd1bc9824baad7905568a9

SHA256
cf3d7a91aec590f5edd94355f3c7e8e80ec3a06ed12d04306ab2dd214051539f

SHA512
8030a78dafec0a9484b6b08df3c2092dcc32bea297ebdea55e6d875c89c23e2c872c0e3f39b05784b5e975cdb1209ad811be1c85b515c2c293c5eb609b79077c

Download Submit
C:\Windows\SysWOW64\IEXPAND.EXE

Filesize
17KB

MD5
48954503e62d4b8dc61a7a054f1f2cdd

SHA1
1ee4e0b471213fa938142b0038573da98299306f

SHA256
ecd6aaaf0791f9afbcb711955a2c440fdbc6efd63dec0b7720b82579537008ed

SHA512
5249140121be8b74559110ef4be7fb53354f81dc13b0210829e800b369bbf6f9be88ea00a5283a40c06108136267f58230787d8b5824e2d319b6c7f218b7f9e6

Download Submit
C:\Windows\SysWOW64\IEXPAND.EXE

Filesize
10KB

MD5
8f14bf3a76fee6d0b10246446bc67a89

SHA1
0292eb5e261f66496ca67379511fe0f514872c9f

SHA256
286b5a87d4cb5059eb5c630c633b23f62b3579ef66771cbe5f047e6f6aba4883

SHA512
ac3a3786afa8016ba85c0209feef6e45ba8e40f2c8f378b2ffe925d35abb2d60cc427e2fcd4d74ab7d663f90eb816aa44455da8ee4024f2dfd421254f5feb319

Download Submit
memory/3392-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4064-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4064-10-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download