a4ff13d0106aaab6b4646b9623e17218bb80bac8bb09b870e0ba31f5f7f8a3df

Analysis

max time kernel
130s
max time network
151s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
13/11/2023, 01:36

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General

Target

NEAS.d1a22bc50919af54b68ec42bd577b5b0.exe
Size

36KB
MD5

d1a22bc50919af54b68ec42bd577b5b0
SHA1

522a3ced534aa589c93a62435fb445c3682da02a
SHA256

a4ff13d0106aaab6b4646b9623e17218bb80bac8bb09b870e0ba31f5f7f8a3df
SHA512

3a2c5150d93dc47a33c65d7d483c2d48276c4ae8c11ad223ec70622c277d06bc230c0f18d679d8e188522915a227b63ffd6bcbdfb1e22a2dd43544bd280d7e1e
SSDEEP

768:+GG1xtqzC8JISj3KXW4KdwAx0U2G8DDuw4SkQS1wi:oxtnS1wzDF6Qo

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2300	winej.exe

Loads dropped DLL 1 IoCs

pid	Process
2512	NEAS.d1a22bc50919af54b68ec42bd577b5b0.exe

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

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2512	NEAS.d1a22bc50919af54b68ec42bd577b5b0.exe
2300	winej.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2300	2512	NEAS.d1a22bc50919af54b68ec42bd577b5b0.exe	28
PID 2512 wrote to memory of 2300	2512	NEAS.d1a22bc50919af54b68ec42bd577b5b0.exe	28
PID 2512 wrote to memory of 2300	2512	NEAS.d1a22bc50919af54b68ec42bd577b5b0.exe	28
PID 2512 wrote to memory of 2300	2512	NEAS.d1a22bc50919af54b68ec42bd577b5b0.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.d1a22bc50919af54b68ec42bd577b5b0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.d1a22bc50919af54b68ec42bd577b5b0.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Users\Admin\AppData\Local\Temp\winej.exe
  "C:\Users\Admin\AppData\Local\Temp\winej.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab401E.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar4040.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Download Submit
C:\Users\Admin\AppData\Local\Temp\winej.exe

Filesize
36KB

MD5
a2dbc9b01f521501328b6ab1ceb35880

SHA1
47ded7f527692395a050294406af5e9e92dd3062

SHA256
79bafd2853f848cb24b4a12769b6b708ac6ddbd1cf0a8dc495788ec973e11174

SHA512
1a1f9dad57faba6fc32c606f58e616a7bcc7e9c3c575efeffe121f96eae47338043ec48c0c07faeeb94f8c669803b5e125c91e84368e0db41c88b8d163da2a5e

Download Submit
C:\Users\Admin\AppData\Local\Temp\winej.exe

Filesize
36KB

MD5
a2dbc9b01f521501328b6ab1ceb35880

SHA1
47ded7f527692395a050294406af5e9e92dd3062

SHA256
79bafd2853f848cb24b4a12769b6b708ac6ddbd1cf0a8dc495788ec973e11174

SHA512
1a1f9dad57faba6fc32c606f58e616a7bcc7e9c3c575efeffe121f96eae47338043ec48c0c07faeeb94f8c669803b5e125c91e84368e0db41c88b8d163da2a5e

Download Submit
\Users\Admin\AppData\Local\Temp\winej.exe

Filesize
36KB

MD5
a2dbc9b01f521501328b6ab1ceb35880

SHA1
47ded7f527692395a050294406af5e9e92dd3062

SHA256
79bafd2853f848cb24b4a12769b6b708ac6ddbd1cf0a8dc495788ec973e11174

SHA512
1a1f9dad57faba6fc32c606f58e616a7bcc7e9c3c575efeffe121f96eae47338043ec48c0c07faeeb94f8c669803b5e125c91e84368e0db41c88b8d163da2a5e

Download Submit
memory/2300-17-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2512-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2512-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2512-4-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download