54a965b031265e591db5ca4e9f3e2774bd1dbf7e25b994661834a49833c5ef4f

Analysis

max time kernel
47s
max time network
52s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
30-10-2022 16:20

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General

Target

54a965b031265e591db5ca4e9f3e2774bd1dbf7e25b994661834a49833c5ef4f.exe
Size

270KB
MD5

823ec4c199e02e6cccc89cf6e92d9250
SHA1

e1321b3d0e2dfc99bfd7dbe1e31df30e6605c244
SHA256

54a965b031265e591db5ca4e9f3e2774bd1dbf7e25b994661834a49833c5ef4f
SHA512

ec1aee7e6ed53d11226d7a24e01084a2b87b71f0b4c0bf2f62ffc50fe0b74a9c4147c2a9f208982b78fa4e855c79feb156b8f7d208595cbade9d684d11ed3123
SSDEEP

6144:CDJVazMKV31FdaQvXluxqU+A/0y+nt75voqQEnHv0CxN8H9RJPD:CDJM/bXntAh+nhZoqQEHvVIzJPD

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1228	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	54a965b031265e591db5ca4e9f3e2774bd1dbf7e25b994661834a49833c5ef4f.exe
File created	C:\PROGRA~3\Mozilla\segfnra.dll	jjruejn.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 1228	2028	taskeng.exe	28
PID 2028 wrote to memory of 1228	2028	taskeng.exe	28
PID 2028 wrote to memory of 1228	2028	taskeng.exe	28
PID 2028 wrote to memory of 1228	2028	taskeng.exe	28

C:\Users\Admin\AppData\Local\Temp\54a965b031265e591db5ca4e9f3e2774bd1dbf7e25b994661834a49833c5ef4f.exe
"C:\Users\Admin\AppData\Local\Temp\54a965b031265e591db5ca4e9f3e2774bd1dbf7e25b994661834a49833c5ef4f.exe"
1⤵
- Drops file in Program Files directory
PID:1060

C:\Windows\system32\taskeng.exe
taskeng.exe {062F8956-B5D5-4C4F-81CC-1F23CEB99284} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2028
- C:\PROGRA~3\Mozilla\jjruejn.exe
  C:\PROGRA~3\Mozilla\jjruejn.exe -npivonl
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:1228

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
270KB

MD5
d6ab2246da9be85744ff34d1af4203c0

SHA1
f7285a53b68cdec56e00eb85d7320352e088eef4

SHA256
22ee5682b83e8f5417dc9cd12e3e6f4a46ecaf34c4bb6f7bea71d01a0ca394db

SHA512
fc2bd6090925494fea3186a71abe5e1d884e3568db955b47e62cc5c113252cd0e4a559c79582d565fac217f56510b41cae6038018945a84317f262357a6f1ed0

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

Filesize
270KB

MD5
d6ab2246da9be85744ff34d1af4203c0

SHA1
f7285a53b68cdec56e00eb85d7320352e088eef4

SHA256
22ee5682b83e8f5417dc9cd12e3e6f4a46ecaf34c4bb6f7bea71d01a0ca394db

SHA512
fc2bd6090925494fea3186a71abe5e1d884e3568db955b47e62cc5c113252cd0e4a559c79582d565fac217f56510b41cae6038018945a84317f262357a6f1ed0

Download Submit
memory/1060-54-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1060-56-0x00000000006A0000-0x00000000006FB000-memory.dmp

Filesize
364KB

Download
memory/1060-55-0x0000000074DC1000-0x0000000074DC3000-memory.dmp

Filesize
8KB

Download
memory/1228-64-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1228-66-0x0000000000370000-0x00000000003CB000-memory.dmp

Filesize
364KB

Download