24cf45e2f326516edf295ca49e7f619ccc6f11ea9a81cd28b1e4ffa6a376d1a7

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
10-05-2024 01:16

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General

Target

Photo1.exe
Size

37KB
MD5

134beec9243886fa1ae1fe09a2e8f0f2
SHA1

70c91c4ce17b56a193b2976343bb4885971a0414
SHA256

17230c5866d55f7c66039d773cc43132b4f02149bdff45bd396d41f08a2c0b45
SHA512

8a905e31c71720977574f7a488b61d976719580b2cb6dbdca0bc6914ccf254daac692899373fcaaddbc07dfaa997676e3cf8f5d5b81bf2c65c21d1a1e73aa398
SSDEEP

768:bX3pbhvZSjPrIHHVuLIFOXds2L6cJj3AD2DLy6cgDNCK1mMZ:t3Sr0HSPXdVLDpDLy6cgDNNr

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2384	IEXPAND.EXE

Executes dropped EXE 1 IoCs

pid	Process
2384	IEXPAND.EXE

Loads dropped DLL 2 IoCs

pid	Process
2420	Photo1.exe
2420	Photo1.exe

Adds Run key to start application 2 TTPs 2 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"	Photo1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\iexpand.exe = "iexpand.exe"	IEXPAND.EXE

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\SysWOW64\IEXPAND.EXE	Photo1.exe
File opened for modification	C:\WINDOWS\SysWOW64\IEXPAND.EXE	Photo1.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2420	Photo1.exe
2420	Photo1.exe
2420	Photo1.exe
2384	IEXPAND.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2384	2420	Photo1.exe	30
PID 2420 wrote to memory of 2384	2420	Photo1.exe	30
PID 2420 wrote to memory of 2384	2420	Photo1.exe	30
PID 2420 wrote to memory of 2384	2420	Photo1.exe	30

C:\Users\Admin\AppData\Local\Temp\Photo1.exe
"C:\Users\Admin\AppData\Local\Temp\Photo1.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2420
- C:\WINDOWS\SysWOW64\IEXPAND.EXE
  "C:\WINDOWS\SYSTEM32\IEXPAND.EXE" C:\Users\Admin\AppData\Local\Temp\Photo1.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:2384

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Windows\SysWOW64\IEXPAND.EXE

Filesize
37KB

MD5
134beec9243886fa1ae1fe09a2e8f0f2

SHA1
70c91c4ce17b56a193b2976343bb4885971a0414

SHA256
17230c5866d55f7c66039d773cc43132b4f02149bdff45bd396d41f08a2c0b45

SHA512
8a905e31c71720977574f7a488b61d976719580b2cb6dbdca0bc6914ccf254daac692899373fcaaddbc07dfaa997676e3cf8f5d5b81bf2c65c21d1a1e73aa398

Download Submit
memory/2384-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2420-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2420-5-0x0000000000390000-0x00000000003A2000-memory.dmp

Filesize
72KB

Download
memory/2420-12-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download