1e9595a0662d184ced635e2d88b2d952175010d0b3bd1232efafe4d754eb2da4

Analysis

max time kernel
138s
max time network
152s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
31/10/2023, 23:55

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General

Target

NEAS.f5aafa02d6a8b9f2cafe2e38714241f0.exe
Size

37KB
MD5

f5aafa02d6a8b9f2cafe2e38714241f0
SHA1

4da9cab27ff9d08a31f03df9417c3c9eec9ca9df
SHA256

1e9595a0662d184ced635e2d88b2d952175010d0b3bd1232efafe4d754eb2da4
SHA512

99254e08f14fd870b89514c66fe7b8dd68a791ac67e8fd9c8a7f4fa5e896332d88c18d2f483345acb47a34bd3fda1dfbdc5cccd4f692bbc2c5da1e386d302537
SSDEEP

768:7qP0V5P1wD0CbS0HaUpJVuq9Jzo78x+pu9fWWq53E7l0nX:720V7wdS0P79Jc78x+pu9fWWq539

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2152	wefujn.exe

Loads dropped DLL 1 IoCs

pid	Process
2244	NEAS.f5aafa02d6a8b9f2cafe2e38714241f0.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2152	2244	NEAS.f5aafa02d6a8b9f2cafe2e38714241f0.exe	28
PID 2244 wrote to memory of 2152	2244	NEAS.f5aafa02d6a8b9f2cafe2e38714241f0.exe	28
PID 2244 wrote to memory of 2152	2244	NEAS.f5aafa02d6a8b9f2cafe2e38714241f0.exe	28
PID 2244 wrote to memory of 2152	2244	NEAS.f5aafa02d6a8b9f2cafe2e38714241f0.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.f5aafa02d6a8b9f2cafe2e38714241f0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.f5aafa02d6a8b9f2cafe2e38714241f0.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\wefujn.exe
  "C:\Users\Admin\AppData\Local\Temp\wefujn.exe"
  2⤵
  - Executes dropped EXE
  PID:2152

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\Cab7F21.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar7F43.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

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

Filesize
37KB

MD5
d14150fbba5cfe42c25870d6c83c1398

SHA1
60ab45d9e4ce037485c871ec1181c2ee253b49b6

SHA256
14767a08bd6b04337ae2c69ba809b4be4f3d663261bc9a290ff97d3a7c41dd50

SHA512
50bf37c19b6222a03c4e97b0bf012b02dd41e0d40874f595af35105d38f517d30675bcbe12daa682135f971c220d969da2b87ea048a63b7f903a611af775b2d6

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

Filesize
37KB

MD5
d14150fbba5cfe42c25870d6c83c1398

SHA1
60ab45d9e4ce037485c871ec1181c2ee253b49b6

SHA256
14767a08bd6b04337ae2c69ba809b4be4f3d663261bc9a290ff97d3a7c41dd50

SHA512
50bf37c19b6222a03c4e97b0bf012b02dd41e0d40874f595af35105d38f517d30675bcbe12daa682135f971c220d969da2b87ea048a63b7f903a611af775b2d6

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

Filesize
37KB

MD5
d14150fbba5cfe42c25870d6c83c1398

SHA1
60ab45d9e4ce037485c871ec1181c2ee253b49b6

SHA256
14767a08bd6b04337ae2c69ba809b4be4f3d663261bc9a290ff97d3a7c41dd50

SHA512
50bf37c19b6222a03c4e97b0bf012b02dd41e0d40874f595af35105d38f517d30675bcbe12daa682135f971c220d969da2b87ea048a63b7f903a611af775b2d6

Download Submit
memory/2244-0-0x0000000004000000-0x0000000004010000-memory.dmp

Filesize
64KB

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