b0903080b3ba9eed12872fd8adc8e774d67c130b314d38bd33b3c960a409bcd8

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
20/06/2024, 07:31

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General

Target

lianlianksetup.exe
Size

2.3MB
MD5

8e0210e9d82b6cdd6cdad525635840f8
SHA1

0ca4aaea97f795a14106d43db31620880b5e51fc
SHA256

728a8b53b8f274493d014a6512d4dd0ac5af0e3975f40dde6b987ee702a7ad31
SHA512

1817974bde32fcf66ef61784abc189764550e8957c4bd8ad86a9c69aaacba511a9c7ad1a717fb712911a4496742af80f6f9990a28e5ffb29c16b2fd58631538a
SSDEEP

49152:wGpOJUIO+eZK21k+FGa0tN8+xGuTt9Q0ScEVksNS+dZG7Syz1fZLWVoj8kQbEBoJ:NpXL+eZK2L6N8+n80Scog+z6h1xLFwE6

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
848	is-EQ0RL.tmp

Loads dropped DLL 3 IoCs

pid	Process
2380	lianlianksetup.exe
848	is-EQ0RL.tmp
848	is-EQ0RL.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
848	is-EQ0RL.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 848	2380	lianlianksetup.exe	28
PID 2380 wrote to memory of 848	2380	lianlianksetup.exe	28
PID 2380 wrote to memory of 848	2380	lianlianksetup.exe	28
PID 2380 wrote to memory of 848	2380	lianlianksetup.exe	28
PID 2380 wrote to memory of 848	2380	lianlianksetup.exe	28
PID 2380 wrote to memory of 848	2380	lianlianksetup.exe	28
PID 2380 wrote to memory of 848	2380	lianlianksetup.exe	28

C:\Users\Admin\AppData\Local\Temp\lianlianksetup.exe
"C:\Users\Admin\AppData\Local\Temp\lianlianksetup.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\Temp\is-CMKH9.tmp\is-EQ0RL.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-CMKH9.tmp\is-EQ0RL.tmp" /SL4 $4001C "C:\Users\Admin\AppData\Local\Temp\lianlianksetup.exe" 2053939 59904
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:848

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-CMKH9.tmp\is-EQ0RL.tmp

Filesize
650KB

MD5
db0a4600cdff0e42a86c302cd2965a09

SHA1
5c7bdaca4886981bf7a58113567867d47a7340a9

SHA256
92119b6be7ab36d79ddd34fe9d9487e7c709405805611a7ea09c0dd604663513

SHA512
e9c0cd823c76086b42f530b2533163b1608fda17ee86565301d78c18a12e0ffcc7fb717bc989918f2c27b9dc985b534c9df9a8bd2f6b45941e3caf4652a08832

Download Submit
\Users\Admin\AppData\Local\Temp\is-R58SU.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/848-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2380-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2380-2-0x0000000000401000-0x000000000040A000-memory.dmp

Filesize
36KB

Download
memory/2380-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download