5cf82f8250073228efbd7d2e78d9069dbca7611fe6e8c8ff6c3b64923aff672d

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
03/09/2024, 06:41

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General

Target

b8313eb56ff7e86669521a48028a40f0N.exe
Size

225KB
MD5

b8313eb56ff7e86669521a48028a40f0
SHA1

9ecc4f428c37e7c83c6b35abbc27997d300bd180
SHA256

5cf82f8250073228efbd7d2e78d9069dbca7611fe6e8c8ff6c3b64923aff672d
SHA512

c4120b7c9981d5918d757be75cfce978646e7a26f26413d5c3bfbd54a5d55d68556067a650b12f629dbbc0b71adc0b62577faafb9ea0bf80ec810d9a3ba0664d
SSDEEP

3072:vtbbbbFLcM92DCfh8fcAMzFzMJvb8RZabP4QEP7EPaERzcUf7lPasVOCvFmqcCzS:vom2efufqcdzfvV4PdAJk08Rv

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
2568	dxphjxh.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\dxphjxh.exe	b8313eb56ff7e86669521a48028a40f0N.exe
File created	C:\PROGRA~3\Mozilla\yocgcxd.dll	dxphjxh.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	b8313eb56ff7e86669521a48028a40f0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dxphjxh.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1736	b8313eb56ff7e86669521a48028a40f0N.exe
2568	dxphjxh.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 2568	1680	taskeng.exe	29
PID 1680 wrote to memory of 2568	1680	taskeng.exe	29
PID 1680 wrote to memory of 2568	1680	taskeng.exe	29
PID 1680 wrote to memory of 2568	1680	taskeng.exe	29

C:\Users\Admin\AppData\Local\Temp\b8313eb56ff7e86669521a48028a40f0N.exe
"C:\Users\Admin\AppData\Local\Temp\b8313eb56ff7e86669521a48028a40f0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
PID:1736

C:\Windows\system32\taskeng.exe
taskeng.exe {F67A3B30-D7B9-48C0-862D-545B1194A149} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1680
- C:\PROGRA~3\Mozilla\dxphjxh.exe
  C:\PROGRA~3\Mozilla\dxphjxh.exe -wyqgbfl
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2568

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\dxphjxh.exe

Filesize
225KB

MD5
c273be55982b8907813aee9e27056078

SHA1
101512ff1a0ab2f80264567fdb24e7e19a66eef7

SHA256
487c82835094a500bda09cab5ec745f6df12c9cf4a634d816999c89153773bb3

SHA512
37f526050e2c7ac6a271285cdaf31656a80356dba98d0e8a404fb4810ce605ed5ae5ff314dd6dcabeaeca65ef56ec540aa904963a9cac9342d9b1b4fc4659ad7

Download Submit
memory/1736-0-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1736-1-0x0000000000330000-0x000000000038B000-memory.dmp

Filesize
364KB

Download
memory/1736-2-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1736-4-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1736-5-0x0000000000330000-0x000000000038B000-memory.dmp

Filesize
364KB

Download
memory/2568-8-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2568-9-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2568-11-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download