ef99a1844cbf354868a70cdcc2584ec94ffceafc4ffcd3a6b5563fa1d632844e

Analysis

max time kernel
123s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
01-01-2024 15:12

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General

Target

16b51224239d3671b1af3e8f2656a2ad1e7f5fb9acb09111a95461338a841b49.exe
Size

207KB
MD5

8d0a312773a8475e499b7f879cfe8ece
SHA1

7aa2568f464780f85dafd385a6ff82d79ea6379f
SHA256

16b51224239d3671b1af3e8f2656a2ad1e7f5fb9acb09111a95461338a841b49
SHA512

a7cbd19806e8832ef687ccf01debf3db4c0afb9e631379e2200c7da5144fd40146508b2c9685bddadf620491bff5f30f910ab0d6c900fc34bfb0893dcd78d953
SSDEEP

3072:5M+lmsolAIrRuw+mqv9j1MWLQBexM+lmsolAIrRuw+mqv9j1MWLQ:S+lDAAYx+lDAA

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

ex3t.exe

pid process

2756 ex3t.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2756	ex3t.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

16b51224239d3671b1af3e8f2656a2ad1e7f5fb9acb09111a95461338a841b49.exe

description	pid	process	target process
PID 1636 wrote to memory of 2756	1636	16b51224239d3671b1af3e8f2656a2ad1e7f5fb9acb09111a95461338a841b49.exe	ex3t.exe
PID 1636 wrote to memory of 2756	1636	16b51224239d3671b1af3e8f2656a2ad1e7f5fb9acb09111a95461338a841b49.exe	ex3t.exe
PID 1636 wrote to memory of 2756	1636	16b51224239d3671b1af3e8f2656a2ad1e7f5fb9acb09111a95461338a841b49.exe	ex3t.exe

C:\Users\Admin\AppData\Local\Temp\16b51224239d3671b1af3e8f2656a2ad1e7f5fb9acb09111a95461338a841b49.exe
"C:\Users\Admin\AppData\Local\Temp\16b51224239d3671b1af3e8f2656a2ad1e7f5fb9acb09111a95461338a841b49.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1636

C:\ex3t.exe
"C:\ex3t.exe"
2⤵
- Executes dropped EXE
PID:2756

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ex3t.exe
Filesize
207KB

MD5
8d0a312773a8475e499b7f879cfe8ece

SHA1
7aa2568f464780f85dafd385a6ff82d79ea6379f

SHA256
16b51224239d3671b1af3e8f2656a2ad1e7f5fb9acb09111a95461338a841b49

SHA512
a7cbd19806e8832ef687ccf01debf3db4c0afb9e631379e2200c7da5144fd40146508b2c9685bddadf620491bff5f30f910ab0d6c900fc34bfb0893dcd78d953

Download Submit
C:\ex3t.txt
Filesize
15B

MD5
70f98cbb0643e9a348fd0d40eec6b640

SHA1
7c2d7543ddd8b4f410430a30aefe4b9bcd1538dc

SHA256
25192b99ddab2d60a1c1b4013503bf980d627127292e5f601c235e0bdcb5ddf0

SHA512
bad13acb4b3edad289184a42ffb8cd8b16d5d469d06605f307e34f438ce0a6cc9ee80ae627a3a9e6c34d528d7fbf2e31a37c42ebf90272c810dc3590650672de

Download Submit
memory/1636-15-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp

Filesize
9.9MB

Download
memory/1636-1-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp

Filesize
9.9MB

Download
memory/1636-2-0x000000001B4B0000-0x000000001B530000-memory.dmp

Filesize
512KB

Download
memory/1636-12-0x000000001B4B6000-0x000000001B51D000-memory.dmp

Filesize
412KB

Download
memory/1636-0-0x0000000000C50000-0x0000000000C8A000-memory.dmp

Filesize
232KB

Download
memory/2756-13-0x000000001B1F0000-0x000000001B270000-memory.dmp

Filesize
512KB

Download
memory/2756-14-0x000000001B1F0000-0x000000001B270000-memory.dmp

Filesize
512KB

Download
memory/2756-11-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp

Filesize
9.9MB

Download
memory/2756-16-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp

Filesize
9.9MB

Download
memory/2756-17-0x000000001B1F0000-0x000000001B270000-memory.dmp

Filesize
512KB

Download
memory/2756-10-0x00000000008D0000-0x000000000090A000-memory.dmp

Filesize
232KB

Download
memory/2756-19-0x000000001B1F0000-0x000000001B270000-memory.dmp

Filesize
512KB

Download
memory/2756-20-0x000000001B1F0000-0x000000001B270000-memory.dmp

Filesize
512KB

Download