92ccb2a00bde59776783b57d5c65062bc9f5bc602f6c425a4572cada093c7bf6

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
07/08/2024, 00:15

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General

Target

321019543bcbbb982a88a5602e7761b0N.exe
Size

137KB
MD5

321019543bcbbb982a88a5602e7761b0
SHA1

0e3ca134dc42307e19844cb5a41b1c703dccddb6
SHA256

92ccb2a00bde59776783b57d5c65062bc9f5bc602f6c425a4572cada093c7bf6
SHA512

23557650bf20701d3db6b0a0beced44e99590c58c8365eb6c5741fadf956d3481239ac63e09eb30099455624c42cb16e01da714fefd74e6c20d57cf24f124cb5
SSDEEP

3072:9/eOrj+K1j+stAo7jpD73KvTYEIQkeJMF:FBlAQd3eCQTJM

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
2828	bjxxeqk.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\bjxxeqk.exe	321019543bcbbb982a88a5602e7761b0N.exe
File created	C:\PROGRA~3\Mozilla\gyntqrd.dll	bjxxeqk.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	321019543bcbbb982a88a5602e7761b0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bjxxeqk.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2828	2672	taskeng.exe	31
PID 2672 wrote to memory of 2828	2672	taskeng.exe	31
PID 2672 wrote to memory of 2828	2672	taskeng.exe	31
PID 2672 wrote to memory of 2828	2672	taskeng.exe	31

C:\Users\Admin\AppData\Local\Temp\321019543bcbbb982a88a5602e7761b0N.exe
"C:\Users\Admin\AppData\Local\Temp\321019543bcbbb982a88a5602e7761b0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3068

C:\Windows\system32\taskeng.exe
taskeng.exe {D882C2EF-8EF3-47CF-8D60-389CCE3EAC0E} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2672
- C:\PROGRA~3\Mozilla\bjxxeqk.exe
  C:\PROGRA~3\Mozilla\bjxxeqk.exe -tggqwii
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  PID:2828

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\bjxxeqk.exe

Filesize
137KB

MD5
a0dac46f6136fa350789505412fd0c25

SHA1
e217b433681fbb7ff89143794e354547f0562c93

SHA256
e10841b611460442ef91b2aedf8f9f397cf4ee122666551da1e28ff40efc919f

SHA512
c9494d9c2af76347856c989eef288a67b2ef0de1aeb1b798b41b27f66a19f1249befdc56ef24c5be0297c420d26f485b0df2db189b5bffd7c0e14e1acfa0d199

Download Submit
memory/2828-11-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2828-12-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2828-17-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2828-19-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3068-1-0x0000000000402000-0x0000000000403000-memory.dmp

Filesize
4KB

Download
memory/3068-0-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3068-2-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3068-3-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3068-6-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/3068-8-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download