282a482889e1f42292cd3f7b4e8d11f0b0bd4d8ef3c7668738630f28e35ce5e4

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
28-06-2024 09:03

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General

Target

tu2sky.exe
Size

3.0MB
MD5

5158133555a87df934bf2f9264782c10
SHA1

922c3636e4db2116ae8063390e743ecd96b02922
SHA256

19cf4b4cb7f545cfd0488a14aef05190abed129ed402f07513dde4bd01cd64f5
SHA512

8cca88df2154672324ab414ea60e74994fd1642cf4b4c2273282d3099b96f7818f6cae950fd8ca0595c3f1db486aaff11660615241f0b1dcba5eb51230b23e7c
SSDEEP

49152:quuvyZ4fnUDMyxHn6CXZSta5PzWnbnoyqdV6Z/1M/1aZjDfI1yWHycHRB2B:quzkUDMeHnxpStNnbK+t1M/EtI1yWHA

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2348	is-P896C.tmp

Loads dropped DLL 3 IoCs

pid	Process
1420	tu2sky.exe
2348	is-P896C.tmp
2348	is-P896C.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
2348	is-P896C.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 2348	1420	tu2sky.exe	28
PID 1420 wrote to memory of 2348	1420	tu2sky.exe	28
PID 1420 wrote to memory of 2348	1420	tu2sky.exe	28
PID 1420 wrote to memory of 2348	1420	tu2sky.exe	28
PID 1420 wrote to memory of 2348	1420	tu2sky.exe	28
PID 1420 wrote to memory of 2348	1420	tu2sky.exe	28
PID 1420 wrote to memory of 2348	1420	tu2sky.exe	28

C:\Users\Admin\AppData\Local\Temp\tu2sky.exe
"C:\Users\Admin\AppData\Local\Temp\tu2sky.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1420
- C:\Users\Admin\AppData\Local\Temp\is-B6I3E.tmp\is-P896C.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-B6I3E.tmp\is-P896C.tmp" /SL4 $400F0 "C:\Users\Admin\AppData\Local\Temp\tu2sky.exe" 2865610 51712
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2348

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-B6I3E.tmp\is-P896C.tmp

Filesize
615KB

MD5
347f21c81f0570f85df0261da8aaf85b

SHA1
9172c87e380d8f2394c83140017528976fc83a2e

SHA256
a3ab66c99945ee5f371388c82b76394494eb7eaf28d365cba26ab9443f623f80

SHA512
592fd3c363370a433d4219891b7e17528554b71075594194aa2465fce6a2c5f3620e4a0655ec0cdf5b688e8fe6033a88b49cae0ed20d013147eb175a9a0d0f93

Download Submit
\Users\Admin\AppData\Local\Temp\is-OL26Q.tmp\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1420-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1420-2-0x0000000000401000-0x000000000040A000-memory.dmp

Filesize
36KB

Download
memory/1420-14-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2348-15-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download