fakeav | bbfb89e487719fbcf82040f819c39727e46228e237580013c088d6e3a7a7271e

Analysis

max time kernel
110s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 23:40

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General

Target

bbfb89e487719fbcf82040f819c39727e46228e237580013c088d6e3a7a7271eN.exe
Size

1.6MB
MD5

51316e7bb1d4ca5815b90a4406c044c0
SHA1

3ceac45f6b934a938993d77dab0da994ef3de510
SHA256

bbfb89e487719fbcf82040f819c39727e46228e237580013c088d6e3a7a7271e
SHA512

dca433799239a24ee7cb2fbf481207e0f30e77382e6040dab8f286b0bc0a8446d9ded67483a82f9c18f010284445b33923561785b24a13e29a99fe91c56de835
SSDEEP

24576:hxY3NtGUmJr+4Obxd+tPZSZXiE6EhE9xY3NtGUmJr+4Obxd+tPZSZ4iE6EhE:LY3buzM40IY3buzM/0

Score

10^/10

fakeav discovery fakeav persistence spyware

Malware Config

Signatures

FakeAV, RogueAntivirus
FakeAV or Rogue AntiVirus is a class of malware that displays false alert messages.
fakeav spyware fakeav
Fakeav family
fakeav

FakeAV payload 1 IoCs

fakeav spyware

resource	yara_rule
behavioral1/memory/1032-5-0x0000000000400000-0x00000000004BD000-memory.dmp	fakeav

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CSRLT.EXE = "C:\\Windows\\system32\\CSRLT.EXE"	bbfb89e487719fbcf82040f819c39727e46228e237580013c088d6e3a7a7271eN.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\MSBLT.EXE = "C:\\Windows\\MSBLT.EXE"	bbfb89e487719fbcf82040f819c39727e46228e237580013c088d6e3a7a7271eN.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\CSRLT.EXE	bbfb89e487719fbcf82040f819c39727e46228e237580013c088d6e3a7a7271eN.exe
File opened for modification	C:\Windows\SysWOW64\CSRLT.EXE	bbfb89e487719fbcf82040f819c39727e46228e237580013c088d6e3a7a7271eN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\MSBLT.EXE	bbfb89e487719fbcf82040f819c39727e46228e237580013c088d6e3a7a7271eN.exe
File opened for modification	C:\Windows\MSBLT.EXE	bbfb89e487719fbcf82040f819c39727e46228e237580013c088d6e3a7a7271eN.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	bbfb89e487719fbcf82040f819c39727e46228e237580013c088d6e3a7a7271eN.exe

C:\Users\Admin\AppData\Local\Temp\bbfb89e487719fbcf82040f819c39727e46228e237580013c088d6e3a7a7271eN.exe
"C:\Users\Admin\AppData\Local\Temp\bbfb89e487719fbcf82040f819c39727e46228e237580013c088d6e3a7a7271eN.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1032-0-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/1032-6-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/1032-5-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads