227d2de9b1d81793c0eb92e759e3b5cf848a5982ed044f94ff10642941ea00a4

Analysis

max time kernel
45s
max time network
51s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
29/11/2022, 10:23

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General

Target

227d2de9b1d81793c0eb92e759e3b5cf848a5982ed044f94ff10642941ea00a4.exe
Size

140KB
MD5

2dc51894de6ddc0f2917e7133f204ca0
SHA1

84af8133d1d8a0619c9922fb137d07edae849c9e
SHA256

227d2de9b1d81793c0eb92e759e3b5cf848a5982ed044f94ff10642941ea00a4
SHA512

db1b1d92327794af80726472226d5b6a9194505be6d7f137ccd9d9b1375960dd7f1ca3b1234452330b627fe9d7b36da33bd9a7d09ad56847b6542aaefcf595a8
SSDEEP

3072:pidj6ShhYRa3SXjF/HvD9hQU7OCyIjAYxRwmdPkmkWt+3t97SVKmHkp:pEjpvYc3YJ/HvD9hTKCyI7TwmdMlL99N

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1096	jjruejn.exe

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\jjruejn.exe	227d2de9b1d81793c0eb92e759e3b5cf848a5982ed044f94ff10642941ea00a4.exe
File created	C:\PROGRA~3\Mozilla\segfnra.dll	jjruejn.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 1096	1620	taskeng.exe	28
PID 1620 wrote to memory of 1096	1620	taskeng.exe	28
PID 1620 wrote to memory of 1096	1620	taskeng.exe	28
PID 1620 wrote to memory of 1096	1620	taskeng.exe	28

C:\Users\Admin\AppData\Local\Temp\227d2de9b1d81793c0eb92e759e3b5cf848a5982ed044f94ff10642941ea00a4.exe
"C:\Users\Admin\AppData\Local\Temp\227d2de9b1d81793c0eb92e759e3b5cf848a5982ed044f94ff10642941ea00a4.exe"
1⤵
- Drops file in Program Files directory
PID:1308

C:\Windows\system32\taskeng.exe
taskeng.exe {EEF67EFF-EEF1-45C6-B426-0AFD5E438F3E} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1620
- C:\PROGRA~3\Mozilla\jjruejn.exe
  C:\PROGRA~3\Mozilla\jjruejn.exe -npivonl
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:1096

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
140KB

MD5
14f5829076a835852109f9e3a6fe7b7c

SHA1
cbdf289234b118c1b192bd8eafa3adffc4c919f1

SHA256
3408b41c1f3b4e42d3001e31ce3037943f0ad6f53f57cfded7ce4468e5e8563f

SHA512
e89ea7bf2fe9cfe3eebb0163905040e89aa597598f5a0a99478d7459d0041668d3a114b0f06966d83d86c0fda7d455771bfb7906268e8a8b96c30724d4b0aa30

Download Submit
C:\PROGRA~3\Mozilla\jjruejn.exe

Filesize
140KB

MD5
14f5829076a835852109f9e3a6fe7b7c

SHA1
cbdf289234b118c1b192bd8eafa3adffc4c919f1

SHA256
3408b41c1f3b4e42d3001e31ce3037943f0ad6f53f57cfded7ce4468e5e8563f

SHA512
e89ea7bf2fe9cfe3eebb0163905040e89aa597598f5a0a99478d7459d0041668d3a114b0f06966d83d86c0fda7d455771bfb7906268e8a8b96c30724d4b0aa30

Download Submit
memory/1308-54-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1308-55-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download
memory/1308-58-0x000000000043A000-0x000000000047D000-memory.dmp

Filesize
268KB

Download
memory/1308-59-0x0000000000430000-0x000000000048B000-memory.dmp

Filesize
364KB

Download