efd2a353a9d84e4c5896e1378f8c9f4c9edc02323fc6a2d237d0cbbada28e99c

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05-03-2024 17:48

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General

Target

Keys 17.0.0.rar
Size

7KB
MD5

bcbe7eceea53a4de9613d421e9ee3d5f
SHA1

82b4da83f68dd7763f7a10dfc61cc8c4b9a6718b
SHA256

efd2a353a9d84e4c5896e1378f8c9f4c9edc02323fc6a2d237d0cbbada28e99c
SHA512

23d986a61097cefafcfde6503232d74081794309fb0a01bac1b8fc60e84eaa55dcf5304cb4762cc37106f1f66acbfff425f66230597ec9da999e928f123168f7
SSDEEP

192:vScR0XavWmnGzJCCAK1tgvUQ+AyvpeBhgnC6ZHipa3XmKatTK:RxvWmnGzJaatkCA1u/qSXBye

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.keys	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\keys_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\keys_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\keys_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.keys\ = "keys_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\keys_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\keys_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\keys_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2560	7zFM.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	2560	7zFM.exe
Token: 35	2560	7zFM.exe
Token: SeSecurityPrivilege	2560	7zFM.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2560	7zFM.exe
2560	7zFM.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2464	AcroRd32.exe
2464	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 340 wrote to memory of 2560	340	cmd.exe	29
PID 340 wrote to memory of 2560	340	cmd.exe	29
PID 340 wrote to memory of 2560	340	cmd.exe	29
PID 2180 wrote to memory of 2464	2180	rundll32.exe	32
PID 2180 wrote to memory of 2464	2180	rundll32.exe	32
PID 2180 wrote to memory of 2464	2180	rundll32.exe	32
PID 2180 wrote to memory of 2464	2180	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Keys 17.0.0.rar"
1⤵
- Suspicious use of WriteProcessMemory
PID:340
- C:\Program Files\7-Zip\7zFM.exe
  "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Keys 17.0.0.rar"
  2⤵
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:2560

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\Keys 17.0.0\prod.keys
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
  "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\Desktop\Keys 17.0.0\prod.keys"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2464

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

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Downloads

C:\Users\Admin\Desktop\Keys 17.0.0\prod.keys

Filesize
14KB

MD5
4ed853d4a52e6b9b9e11954f155ecb8a

SHA1
d6cedce971a2a4ab2588e39285a9d2fb37b62924

SHA256
76df55f85c6628cd924f227a72a301bbb731833c0a0f00c440e01e6b34480990

SHA512
270807500ee0e4a2414efe7d05d59fb2fd17830a2433342a06502355ddc8694b667760a8d2cd50a150d529c21dcdc243bce026251f00ccbcfde403d44064c59b

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