a3e7a018f440b64e2a9b55c96481b49f56a20948bb7963ff220c70535f23fccc

Analysis

max time kernel
146s
max time network
152s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
21/11/2022, 12:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a3e7a018f440b64e2a9b55c96481b49f56a20948bb7963ff220c70535f23fccc.exe
Size

593KB
MD5

09b124638b2b22f0d012b2e9254fc100
SHA1

98c567fc336e11442c49c0c022c5540b31de7758
SHA256

a3e7a018f440b64e2a9b55c96481b49f56a20948bb7963ff220c70535f23fccc
SHA512

581b6e5fd67d5b5e4382c8a2f8720d2052e0f1e69b753d1eb63fcb10e06c7ee44337b39c90e54557f1a1c8bdf3a1fa1bd096fa02415a7d7c6ef669cffda382fb
SSDEEP

12288:MYnvpG4rIXae9GPTezVqr5akgn6Lf6kTrJUNhbKWAj3Zlkcp8FVksZYRdhD8KRJi:MYnv84dQ7zVi57g6uxNh+W0/kw8NiR8M

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/836-55-0x0000000001C50000-0x0000000001D80000-memory.dmp	upx
behavioral1/memory/836-58-0x0000000001C50000-0x0000000001D80000-memory.dmp	upx
behavioral1/memory/836-59-0x0000000001C50000-0x0000000001D80000-memory.dmp	upx
behavioral1/memory/836-62-0x0000000001C50000-0x0000000001D80000-memory.dmp	upx
behavioral1/memory/568-67-0x0000000000420000-0x0000000000550000-memory.dmp	upx
behavioral1/memory/836-72-0x0000000001C50000-0x0000000001D80000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~2\is7085581.log	a3e7a018f440b64e2a9b55c96481b49f56a20948bb7963ff220c70535f23fccc.exe

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

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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	a3e7a018f440b64e2a9b55c96481b49f56a20948bb7963ff220c70535f23fccc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
836	a3e7a018f440b64e2a9b55c96481b49f56a20948bb7963ff220c70535f23fccc.exe
836	a3e7a018f440b64e2a9b55c96481b49f56a20948bb7963ff220c70535f23fccc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	836	a3e7a018f440b64e2a9b55c96481b49f56a20948bb7963ff220c70535f23fccc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
836	a3e7a018f440b64e2a9b55c96481b49f56a20948bb7963ff220c70535f23fccc.exe
836	a3e7a018f440b64e2a9b55c96481b49f56a20948bb7963ff220c70535f23fccc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 568	836	a3e7a018f440b64e2a9b55c96481b49f56a20948bb7963ff220c70535f23fccc.exe	29
PID 836 wrote to memory of 568	836	a3e7a018f440b64e2a9b55c96481b49f56a20948bb7963ff220c70535f23fccc.exe	29
PID 836 wrote to memory of 568	836	a3e7a018f440b64e2a9b55c96481b49f56a20948bb7963ff220c70535f23fccc.exe	29
PID 836 wrote to memory of 568	836	a3e7a018f440b64e2a9b55c96481b49f56a20948bb7963ff220c70535f23fccc.exe	29

C:\Users\Admin\AppData\Local\Temp\a3e7a018f440b64e2a9b55c96481b49f56a20948bb7963ff220c70535f23fccc.exe
"C:\Users\Admin\AppData\Local\Temp\a3e7a018f440b64e2a9b55c96481b49f56a20948bb7963ff220c70535f23fccc.exe"
1⤵
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:836
- C:\Users\Admin\AppData\Local\Temp\a3e7a018f440b64e2a9b55c96481b49f56a20948bb7963ff220c70535f23fccc.exe
  "C:\Users\Admin\AppData\Local\Temp\a3e7a018f440b64e2a9b55c96481b49f56a20948bb7963ff220c70535f23fccc.exe" /_ShowProgress
  2⤵
  PID:568

Network

MITRE ATT&CK Enterprise v6

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

Loading Replay Monitor...

Downloads

memory/568-71-0x00000000004D1000-0x000000000054F000-memory.dmp

Filesize
504KB

Download
memory/568-70-0x0000000000421000-0x00000000004D1000-memory.dmp

Filesize
704KB

Download
memory/568-66-0x00000000004D1000-0x000000000054F000-memory.dmp

Filesize
504KB

Download
memory/568-67-0x0000000000420000-0x0000000000550000-memory.dmp

Filesize
1.2MB

Download
memory/836-59-0x0000000001C50000-0x0000000001D80000-memory.dmp

Filesize
1.2MB

Download
memory/836-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/836-62-0x0000000001C50000-0x0000000001D80000-memory.dmp

Filesize
1.2MB

Download
memory/836-61-0x0000000000250000-0x00000000002E5000-memory.dmp

Filesize
596KB

Download
memory/836-54-0x0000000076AE1000-0x0000000076AE3000-memory.dmp

Filesize
8KB

Download
memory/836-58-0x0000000001C50000-0x0000000001D80000-memory.dmp

Filesize
1.2MB

Download
memory/836-55-0x0000000001C50000-0x0000000001D80000-memory.dmp

Filesize
1.2MB

Download
memory/836-72-0x0000000001C50000-0x0000000001D80000-memory.dmp

Filesize
1.2MB

Download