1f9b0846f05852fc25ff0539a9b172390ddcf2aabad59d603151787a26dfdf78

Analysis

max time kernel
141s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
14/06/2023, 16:15

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General

Target

tigervnc64-1.4.2.exe
Size

6.7MB
MD5

af83901f2c1a99b8276f8959eff63dab
SHA1

66ff9f60d9586bde0772a2f8ce7cc44e2c8a894f
SHA256

1f9b0846f05852fc25ff0539a9b172390ddcf2aabad59d603151787a26dfdf78
SHA512

12b8c5b64ca2d66ce4faac687812a843dfb607f0a4f5d8fe366ca7c00b1040ccdb1cb40bad990056846f42dded82ddc284e689397511bfab7a2047a4da364604
SSDEEP

98304:kDlEKlcPEEDzTjwCDCeoa9+15PKkZfVlkCaogXT4f6yEh6B6MAdXYtoQ1qcJRXLr:kdUvGjt182vaXO6yEh6BEdXYlR97r/

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1248	tigervnc64-1.4.2.tmp

Loads dropped DLL 3 IoCs

pid	Process
1276	tigervnc64-1.4.2.exe
1248	tigervnc64-1.4.2.tmp
1248	tigervnc64-1.4.2.tmp

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1248	tigervnc64-1.4.2.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1276 wrote to memory of 1248	1276	tigervnc64-1.4.2.exe	28
PID 1276 wrote to memory of 1248	1276	tigervnc64-1.4.2.exe	28
PID 1276 wrote to memory of 1248	1276	tigervnc64-1.4.2.exe	28
PID 1276 wrote to memory of 1248	1276	tigervnc64-1.4.2.exe	28
PID 1276 wrote to memory of 1248	1276	tigervnc64-1.4.2.exe	28
PID 1276 wrote to memory of 1248	1276	tigervnc64-1.4.2.exe	28
PID 1276 wrote to memory of 1248	1276	tigervnc64-1.4.2.exe	28

C:\Users\Admin\AppData\Local\Temp\tigervnc64-1.4.2.exe
"C:\Users\Admin\AppData\Local\Temp\tigervnc64-1.4.2.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Users\Admin\AppData\Local\Temp\is-59UT0.tmp\tigervnc64-1.4.2.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-59UT0.tmp\tigervnc64-1.4.2.tmp" /SL5="$70126,6581859,119296,C:\Users\Admin\AppData\Local\Temp\tigervnc64-1.4.2.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1248

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-59UT0.tmp\tigervnc64-1.4.2.tmp

Filesize
1.1MB

MD5
4de6f44810bad050ac81f45549d58f34

SHA1
e001b982a0a978deed96789f943bf295dd2ba1d8

SHA256
cf8a77f4cbd38f6ab44fcff738f81ec8dfdaa7ef5a64d62fdd84c6fe897adff5

SHA512
550e468c3d6660ce2030fca16549eace9153610e19621cba83fea691f8d0091edb596a869168cf4b7f80fa55a808ca1703e4e2beffb3ade5af3fb67b6ead6673

Download Submit
\Users\Admin\AppData\Local\Temp\is-59UT0.tmp\tigervnc64-1.4.2.tmp

Filesize
1.1MB

MD5
4de6f44810bad050ac81f45549d58f34

SHA1
e001b982a0a978deed96789f943bf295dd2ba1d8

SHA256
cf8a77f4cbd38f6ab44fcff738f81ec8dfdaa7ef5a64d62fdd84c6fe897adff5

SHA512
550e468c3d6660ce2030fca16549eace9153610e19621cba83fea691f8d0091edb596a869168cf4b7f80fa55a808ca1703e4e2beffb3ade5af3fb67b6ead6673

Download Submit
\Users\Admin\AppData\Local\Temp\is-65BB7.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-65BB7.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/1248-67-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1248-69-0x0000000000400000-0x000000000052B000-memory.dmp

Filesize
1.2MB

Download
memory/1276-54-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1276-68-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads