52db75fb01cb57eb19ebf4b8894c12753d91956cef1efe56e99c1a4f59da32e0

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26/07/2024, 06:46

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General

Target

videoconverter.exe
Size

4.8MB
MD5

c3ac5f93238988230fb90e995cab4bab
SHA1

85c5171673b41dbd3f79645e30dd59e1a495209e
SHA256

d547d017e99618979319233ac1c715477cd91c4a2719ec8c6e14204c1bea6f8b
SHA512

23bdfc864e61df4e7b7b325debda7933af7e04c955453af02c79e778b21bfb18df8f430c473d66ed01022874cb4dbef5bcb260df49c2c00720991ef51d31bf48
SSDEEP

98304:Qn0s32QsjmDiaNEuOWSZpktbLWcA+9eQUM/Gc0O4UhRhS6G5Y6FtaAU2LRgJ:xaGMiahOWeGtecnPnh6FtaKdgJ

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1856	videoconverter.tmp

Loads dropped DLL 4 IoCs

pid	Process
620	videoconverter.exe
1856	videoconverter.tmp
1856	videoconverter.tmp
1856	videoconverter.tmp

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	videoconverter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	videoconverter.tmp

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1856	videoconverter.tmp
1856	videoconverter.tmp
1856	videoconverter.tmp

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1856	videoconverter.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 620 wrote to memory of 1856	620	videoconverter.exe	30
PID 620 wrote to memory of 1856	620	videoconverter.exe	30
PID 620 wrote to memory of 1856	620	videoconverter.exe	30
PID 620 wrote to memory of 1856	620	videoconverter.exe	30
PID 620 wrote to memory of 1856	620	videoconverter.exe	30
PID 620 wrote to memory of 1856	620	videoconverter.exe	30
PID 620 wrote to memory of 1856	620	videoconverter.exe	30

C:\Users\Admin\AppData\Local\Temp\videoconverter.exe
"C:\Users\Admin\AppData\Local\Temp\videoconverter.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:620
- C:\Users\Admin\AppData\Local\Temp\is-26G9R.tmp\videoconverter.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-26G9R.tmp\videoconverter.tmp" /SL5="$40016,4821183,54272,C:\Users\Admin\AppData\Local\Temp\videoconverter.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-26G9R.tmp\videoconverter.tmp

Filesize
688KB

MD5
c765336f0dcf4efdcc2101eed67cd30c

SHA1
fa0279f59738c5aa3b6b20106e109ccd77f895a7

SHA256
c5177fdc6031728e10141745cd69edbc91c92d14411a2dec6e8e8caa4f74ab28

SHA512
06a67ac37c20897967e2cad453793a6ef1c7804d4c578404f845daa88c859b15b0acb51642e6ad23ca6ba6549b02d5f6c98b1fa402004bdbf9d646abab7ec891

Download Submit
\Users\Admin\AppData\Local\Temp\is-EP4D1.tmp\FileDeEx.dll

Filesize
94KB

MD5
255c028585eecab40d11aa5d70767968

SHA1
04d50bf607080c04f3f4faffb08c8828d1217948

SHA256
e2220672dccb587c525716d13aba4eb76cb10f936feabe05b122bcb044dcafe6

SHA512
a49288fab8869b08f40b4a760481c2b65472b4970f1ce2e83e0294bbe278f1bf30863436fef783254d0b262d67fc7f12bc89ed1648ebec71ed96f3f30d9aa0e4

Download Submit
\Users\Admin\AppData\Local\Temp\is-EP4D1.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/620-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/620-3-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/620-20-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1856-11-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/1856-18-0x0000000000390000-0x00000000003AC000-memory.dmp

Filesize
112KB

Download
memory/1856-22-0x0000000000390000-0x00000000003AC000-memory.dmp

Filesize
112KB

Download
memory/1856-21-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download