c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39

Analysis

max time kernel
70s
max time network
88s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
20/10/2022, 21:13

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General

Target

c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39.exe
Size

609KB
MD5

a0307ef133cbc354d1fa2e6c3872cf60
SHA1

f492fb913abd180983394d5b01bc01f5e4fbf000
SHA256

c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39
SHA512

45b1bd6134a3978bbe28ee605ac2fb138f5ea4e0904d69c1885dba4a7c99020cc877c238d9b72371253a5c23c8d50044ae17dea7072efbc601c7ea007fcf8dcf
SSDEEP

6144:8pwJfUY8mrzaR8D9UN/5urYvBM4LYEF8ARun/XYyWSQ+c2Tusp9JczzCTckQfAfw:2wJfOmXaG2LYfqe6zztRadE3mpITcuZ

Score

8^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/548-55-0x0000000000400000-0x000000000049A000-memory.dmp	upx
behavioral1/memory/548-56-0x0000000000400000-0x000000000049A000-memory.dmp	upx
behavioral1/memory/548-59-0x0000000000400000-0x000000000049A000-memory.dmp	upx

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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 6 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Internet Explorer\Extensions\{F1F7763D-712D-4E24-A2EC-869982331C1C}	c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Extensions	c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Extensions\{F1F7763D-712D-4E24-A2EC-869982331C1C}	c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Toolbar\	c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Internet Explorer\Extensions\	c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Extensions\{F1F7763D-712D-4E24-A2EC-869982331C1C}	c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
548	c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39.exe
548	c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 612	548	c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39.exe	27
PID 548 wrote to memory of 612	548	c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39.exe	27
PID 548 wrote to memory of 612	548	c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39.exe	27
PID 548 wrote to memory of 612	548	c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39.exe	27
PID 548 wrote to memory of 612	548	c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39.exe	27
PID 548 wrote to memory of 612	548	c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39.exe	27
PID 548 wrote to memory of 612	548	c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39.exe	27

C:\Users\Admin\AppData\Local\Temp\c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39.exe
"C:\Users\Admin\AppData\Local\Temp\c80424f526706c1717e3d5e6f0737bf3a563e87db1e9ecf2dd8fb63bfbadaa39.exe"
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:548
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 /s /u begintool.dll
  2⤵
  PID:612

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/548-54-0x0000000076171000-0x0000000076173000-memory.dmp

Filesize
8KB

Download
memory/548-55-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/548-56-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/548-59-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download