19bb6ffb24c754343e205c2099497e7b809e298516d5804430ad0a5874f5aa36

Analysis

max time kernel
151s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03-02-2024 13:54

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General

Target

8c7e7990d19b4d9e49d420853b0240e6.exe
Size

235KB
MD5

8c7e7990d19b4d9e49d420853b0240e6
SHA1

b9168475e6c1458977d796156c668e5c1e98f63e
SHA256

19bb6ffb24c754343e205c2099497e7b809e298516d5804430ad0a5874f5aa36
SHA512

b8ca39bd25d88c3bc5951686dd65c73c8b3c55b89b1ab24a5e48896799e615a6fb00b339efdabb759e3ba6bffc2a6b07f7cff93f19ba3ea5d61731b574822c21
SSDEEP

6144:/k3FC0He3z1s0VGlAIGbE+fmV/+DnFwVE3pP0adC3HvUU5J:cVCyOz1s0VrE1/+hw+3pP0a83H3L

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2780	SkypeClient.EXE

Loads dropped DLL 2 IoCs

pid	Process
2096	8c7e7990d19b4d9e49d420853b0240e6.exe
2096	8c7e7990d19b4d9e49d420853b0240e6.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\SysWOW64\SkypeClient.EXE	8c7e7990d19b4d9e49d420853b0240e6.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Internet Explorer\Main	8c7e7990d19b4d9e49d420853b0240e6.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2780	SkypeClient.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2096	8c7e7990d19b4d9e49d420853b0240e6.exe
2096	8c7e7990d19b4d9e49d420853b0240e6.exe
2780	SkypeClient.EXE
2780	SkypeClient.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2780	2096	8c7e7990d19b4d9e49d420853b0240e6.exe	28
PID 2096 wrote to memory of 2780	2096	8c7e7990d19b4d9e49d420853b0240e6.exe	28
PID 2096 wrote to memory of 2780	2096	8c7e7990d19b4d9e49d420853b0240e6.exe	28
PID 2096 wrote to memory of 2780	2096	8c7e7990d19b4d9e49d420853b0240e6.exe	28

C:\Users\Admin\AppData\Local\Temp\8c7e7990d19b4d9e49d420853b0240e6.exe
"C:\Users\Admin\AppData\Local\Temp\8c7e7990d19b4d9e49d420853b0240e6.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2096
- C:\WINDOWS\SysWOW64\SkypeClient.EXE
  "C:\WINDOWS\system32\SkypeClient.EXE"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:2780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Windows\SysWOW64\SkypeClient.EXE

Filesize
80KB

MD5
27c7b4f864b3629128f76f78a4285329

SHA1
99dad30a0b46c21d2f383836f0558a76d020b057

SHA256
5d89482116d59c64650b50c290f81baf4aa4ad793b1c7cbdd1d1e7040fb948db

SHA512
149441e8ea64a2914fdb1afd60bae746a625cb84f051e20e17028e4e6d4b2a15cecf44112290c2f4a9a42c452d181f3e2968a2bbab9c85d825fb5053f52cbbb3

Download Submit
memory/2096-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2096-10-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2096-12-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2096-27-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download