ffd78b79c1acfcd48769dda249e6d1c568ab83bdfde7c4a95b1d42caab1ffdb1

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/09/2024, 04:53

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General

Target

ffd78b79c1acfcd48769dda249e6d1c568ab83bdfde7c4a95b1d42caab1ffdb1.exe
Size

136KB
MD5

27576d2e3bff6533d0f78f8cfa07de5b
SHA1

4513c55f10054f1564e7f81a328a7878cc8d6484
SHA256

ffd78b79c1acfcd48769dda249e6d1c568ab83bdfde7c4a95b1d42caab1ffdb1
SHA512

0f7a3b5d3346a4620a96761b7b1327eb7fe76655eb05ff25ff0edce1197b6e8e382e498b1a640d000038a4524e223739d96bb997ed7194fd67695ce1bb7ee278
SSDEEP

3072:q99X4ATRtqdEY82XLT79O6W/0aC0VrETTrDFzH38dkjJZrx:E9ZtqqY82X3RObR4frxzsdkjJD

Score

8^/10

discovery persistence privilege_escalation

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 1 IoCs

pid	Process
1732	blblckc.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\blblckc.exe	ffd78b79c1acfcd48769dda249e6d1c568ab83bdfde7c4a95b1d42caab1ffdb1.exe
File created	C:\PROGRA~3\Mozilla\dvhufib.dll	blblckc.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	ffd78b79c1acfcd48769dda249e6d1c568ab83bdfde7c4a95b1d42caab1ffdb1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	blblckc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 1732	1728	taskeng.exe	31
PID 1728 wrote to memory of 1732	1728	taskeng.exe	31
PID 1728 wrote to memory of 1732	1728	taskeng.exe	31
PID 1728 wrote to memory of 1732	1728	taskeng.exe	31

C:\Users\Admin\AppData\Local\Temp\ffd78b79c1acfcd48769dda249e6d1c568ab83bdfde7c4a95b1d42caab1ffdb1.exe
"C:\Users\Admin\AppData\Local\Temp\ffd78b79c1acfcd48769dda249e6d1c568ab83bdfde7c4a95b1d42caab1ffdb1.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:812

C:\Windows\system32\taskeng.exe
taskeng.exe {36BA8695-7BBA-49C3-B440-8F30E32761BE} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1728
- C:\PROGRA~3\Mozilla\blblckc.exe
  C:\PROGRA~3\Mozilla\blblckc.exe -iljnpcl
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  PID:1732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\PROGRA~3\Mozilla\blblckc.exe

Filesize
136KB

MD5
c101838b4c20354c4afd25f0bb99c00b

SHA1
3084c7a3d92aa926ab1adf0a727ec5986029dc5d

SHA256
f63aa6ef3d1103eb995cfc9df3acba8575e636d1231296f3593add1a8cd169ee

SHA512
467ec5a59dcd00c309c8d669b773c1871a3ed2d652be7b89888ae4941787ada92c9793f2aab15f4eb6c085da8db9e93dbb347b5b01966cbcedfb24c1e69d6399

Download Submit
memory/812-0-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/812-1-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/812-2-0x0000000000260000-0x00000000002BB000-memory.dmp

Filesize
364KB

Download
memory/812-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1732-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1732-12-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1732-13-0x0000000000430000-0x000000000048B000-memory.dmp

Filesize
364KB

Download