3debc6f83c4cc6e998460657c2fca2b1a3d8c0bbac81b2df4ba7baa73d95edef

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/01/2024, 21:08

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General

Target

fengbaoyy-v2010.exe
Size

5.0MB
MD5

5b50b43e20d40486d4365065dd2a640d
SHA1

6eb64f984cabefe875a0c2be72033d9f74a201b1
SHA256

dce85a9ebf21db2f3344f7c7c1becc7eda01585643d34f2d354b4b76e3764e75
SHA512

d0c249eef1c79fd5f90b00adcaa25a84bfd601ec313cf4b1e212effba27dc00f1ceb81be42eb8b3f0c3f937eb7ca7ab3db496660ebfdb77ee91adc1e65fc3c9d
SSDEEP

98304:1Qiteqekqm60LB0nDjS46PjShgSRsma3saD7jCcJPX5jzxY:19ZBqm60F+K4lH1ifDaa9zxY

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1912	fengbaoyy-v2010.tmp

Loads dropped DLL 3 IoCs

pid	Process
3052	fengbaoyy-v2010.exe
1912	fengbaoyy-v2010.tmp
1912	fengbaoyy-v2010.tmp

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1912	fengbaoyy-v2010.tmp

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 1912	3052	fengbaoyy-v2010.exe	28
PID 3052 wrote to memory of 1912	3052	fengbaoyy-v2010.exe	28
PID 3052 wrote to memory of 1912	3052	fengbaoyy-v2010.exe	28
PID 3052 wrote to memory of 1912	3052	fengbaoyy-v2010.exe	28

C:\Users\Admin\AppData\Local\Temp\fengbaoyy-v2010.exe
"C:\Users\Admin\AppData\Local\Temp\fengbaoyy-v2010.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Users\Admin\AppData\Local\Temp\is-T12K6.tmp\fengbaoyy-v2010.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-T12K6.tmp\fengbaoyy-v2010.tmp" /SL5="$3009A,4983639,51712,C:\Users\Admin\AppData\Local\Temp\fengbaoyy-v2010.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1912

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

\Users\Admin\AppData\Local\Temp\is-LCPA9.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-T12K6.tmp\fengbaoyy-v2010.tmp

Filesize
693KB

MD5
18d6ade571c3f9a0508f33855fef94f8

SHA1
ec46254d3aa46351bc73ad7e58b95dfbe39059ef

SHA256
59f91573512fb206bee07df1a5c60c084dd9dfd566802ca0396b3ea8f19b6650

SHA512
786d769241bc9a5bafff2b70d1a4935e293b7dec79c2be1d27f75416907172e9bdbd300159b572bdb97a8f0df3b9b1a053b3771144f1d793c9bed214aeccc51c

Download Submit
memory/1912-9-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1912-18-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/1912-21-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/3052-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3052-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3052-17-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download