849d4b46ae1bc6ce3fa959b30a9f0338a5f6a21c4eaee44da46811326d418c57

Analysis

max time kernel
45s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
20-10-2022 19:59

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General

Target

849d4b46ae1bc6ce3fa959b30a9f0338a5f6a21c4eaee44da46811326d418c57.exe
Size

156KB
MD5

96e059a6fc1885be1094bde412d86640
SHA1

931938dccb7ac9c72c6f368ccb2d780b90fbfef6
SHA256

849d4b46ae1bc6ce3fa959b30a9f0338a5f6a21c4eaee44da46811326d418c57
SHA512

690e4d25a4b9e4d352265c5f00ad44a5768f385317f1353183c4327da01acba2bd325c5ae8fcbd3bd27aac5ce569a19f406aa394da0e6fe08b352cc8bc154601
SSDEEP

1536:JKcASE+BqEku1utkZOWD3Gjvs3TfKcLzAFJJsksvaWtmqb3Cb4p8zHMTNch8eCWn:l1BqxuUaKjU3TicAHJsow3zpEENchbB

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1284	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	849d4b46ae1bc6ce3fa959b30a9f0338a5f6a21c4eaee44da46811326d418c57.exe
File created	C:\PROGRA~3\Mozilla\segfnra.dll	jjruejn.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 1284	1868	taskeng.exe	28
PID 1868 wrote to memory of 1284	1868	taskeng.exe	28
PID 1868 wrote to memory of 1284	1868	taskeng.exe	28
PID 1868 wrote to memory of 1284	1868	taskeng.exe	28

C:\Users\Admin\AppData\Local\Temp\849d4b46ae1bc6ce3fa959b30a9f0338a5f6a21c4eaee44da46811326d418c57.exe
"C:\Users\Admin\AppData\Local\Temp\849d4b46ae1bc6ce3fa959b30a9f0338a5f6a21c4eaee44da46811326d418c57.exe"
1⤵
- Drops file in Program Files directory
PID:1600

C:\Windows\system32\taskeng.exe
taskeng.exe {22F76AFA-3E76-4AA0-8486-AFFD666B5C1F} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1868
- C:\PROGRA~3\Mozilla\jjruejn.exe
  C:\PROGRA~3\Mozilla\jjruejn.exe -npivonl
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:1284

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
156KB

MD5
81b14f4fe6ab6624967a9c9b5a227ff2

SHA1
3be4b63f3bf9687d1770f2faf779a23dd19c4f5d

SHA256
c4da6174c1f79d6c2d6be64530d38105321bd8f3517f3e89f51ff9df44e99f07

SHA512
739e61b81e818548eb6341a8630ea722595c7df67d238cb5d5fa19bcefcb31e0ce9277fb4c1e069006e364426c866e2accde26854d8e6236ea5f96c035a2b4fc

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

Filesize
156KB

MD5
81b14f4fe6ab6624967a9c9b5a227ff2

SHA1
3be4b63f3bf9687d1770f2faf779a23dd19c4f5d

SHA256
c4da6174c1f79d6c2d6be64530d38105321bd8f3517f3e89f51ff9df44e99f07

SHA512
739e61b81e818548eb6341a8630ea722595c7df67d238cb5d5fa19bcefcb31e0ce9277fb4c1e069006e364426c866e2accde26854d8e6236ea5f96c035a2b4fc

Download Submit
memory/1284-62-0x0000000000000000-mapping.dmp

Download
memory/1284-65-0x00000000002E0000-0x000000000033B000-memory.dmp

Filesize
364KB

Download
memory/1600-54-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1600-55-0x0000000076461000-0x0000000076463000-memory.dmp

Filesize
8KB

Download
memory/1600-56-0x0000000000220000-0x000000000027B000-memory.dmp

Filesize
364KB

Download