e7558e676e44db895e14ab619eea2df2df495c2415c4332b02121cc97fedc3e7

Analysis

max time kernel
148s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29/08/2024, 08:13

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General

Target

wmvconverter.exe
Size

2.2MB
MD5

d8c9e1a2ac7a959ea4f9679a45776291
SHA1

a2f8f04460ec4327b2dddb206fbdd3855620f197
SHA256

44adf8b4b4c6b684bc30cc20b2c9234932f6995244fcab2f55db42458dabd073
SHA512

1a3f71b80aac3be6d29e84815c5b8748313b5441cb8d775e4cdc1f012e4b7bb09689cc54c39e09a3a4507d0681e969887eb98b6d79d59c56dacebea0babf0ece
SSDEEP

49152:koSo/52bS41kYRP9ReI5Y/iumHZldj+uVXQt7lUKFQhWvXnzQrGRuc7:koAbbiCeKyk5P+ua4KFGWPnkrGJ7

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2816	INS6E6C.tmp

Loads dropped DLL 3 IoCs

pid	Process
2704	wmvconverter.exe
2816	INS6E6C.tmp
2816	INS6E6C.tmp

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

System Information Discovery
T1082

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	INS6E6C.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmvconverter.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2816	INS6E6C.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2816	2704	wmvconverter.exe	30
PID 2704 wrote to memory of 2816	2704	wmvconverter.exe	30
PID 2704 wrote to memory of 2816	2704	wmvconverter.exe	30
PID 2704 wrote to memory of 2816	2704	wmvconverter.exe	30
PID 2704 wrote to memory of 2816	2704	wmvconverter.exe	30
PID 2704 wrote to memory of 2816	2704	wmvconverter.exe	30
PID 2704 wrote to memory of 2816	2704	wmvconverter.exe	30

C:\Users\Admin\AppData\Local\Temp\wmvconverter.exe
"C:\Users\Admin\AppData\Local\Temp\wmvconverter.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Users\Admin\AppData\Local\Temp\INS6E6C.tmp
  C:\Users\Admin\AppData\Local\Temp\INS6E6C.tmp /SL3 $6014E C:\Users\Admin\AppData\Local\Temp\wmvconverter.exe 2244066 2247426 61440
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\INS6E6C.tmp

Filesize
378KB

MD5
99fa571a302c7e8ed49d149c1c700623

SHA1
55f36c6868d698cf9f4b84296b51737b34d014d0

SHA256
d2e9c5966937beadba64d89d3ce31212c61a85118d9662adb98fdeac1ad6eb44

SHA512
f14a45f0cf8b338efa4371ca88767189cce8ef919aa7c691ba7105a393acaf07b43721f2a74417075aa99acea875cc5de4c7a09fd38dad6f913b9a675c0ddec0

Download Submit
\Users\Admin\AppData\Local\Temp\is-PHN1L.tmp\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2704-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2816-12-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download