7d9b3402ab0a58fd1e36c07fe92502b15c195e697f3a4c492d08798c9dd872f1

Analysis

max time kernel
48s
max time network
53s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
29-10-2022 22:26

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General

Target

7d9b3402ab0a58fd1e36c07fe92502b15c195e697f3a4c492d08798c9dd872f1.exe
Size

144KB
MD5

5411b3b45ec58d39c8572f84f0caf520
SHA1

e6ae9cb89c9c889435f3c991f607785cc7305daa
SHA256

7d9b3402ab0a58fd1e36c07fe92502b15c195e697f3a4c492d08798c9dd872f1
SHA512

dbd72c38f1e91c4ac7051e2e58d70efcbfe17f2916fcc44db0079c471d21503e0a821017b4c779d4bdac28ba6b0de4b0d62253893ebd43ce49c3d51fe3b7a52b
SSDEEP

3072:BO8vGaQ3xPFO6yQWSvAtZJoYIXp0Tr14bAHK3cd/A:BO8+aqtLy2vA7eYIX2J4a8cdY

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1732	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\segfnra.dll	jjruejn.exe
File created	C:\PROGRA~3\Mozilla\jjruejn.exe	7d9b3402ab0a58fd1e36c07fe92502b15c195e697f3a4c492d08798c9dd872f1.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1168 wrote to memory of 1732	1168	taskeng.exe	27
PID 1168 wrote to memory of 1732	1168	taskeng.exe	27
PID 1168 wrote to memory of 1732	1168	taskeng.exe	27
PID 1168 wrote to memory of 1732	1168	taskeng.exe	27

C:\Users\Admin\AppData\Local\Temp\7d9b3402ab0a58fd1e36c07fe92502b15c195e697f3a4c492d08798c9dd872f1.exe
"C:\Users\Admin\AppData\Local\Temp\7d9b3402ab0a58fd1e36c07fe92502b15c195e697f3a4c492d08798c9dd872f1.exe"
1⤵
- Drops file in Program Files directory
PID:1364

C:\Windows\system32\taskeng.exe
taskeng.exe {981D5DE6-BE12-40F8-9170-E01C780BC55F} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1168
- C:\PROGRA~3\Mozilla\jjruejn.exe
  C:\PROGRA~3\Mozilla\jjruejn.exe -npivonl
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:1732

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
144KB

MD5
b52e90b04ff2d3c356eb1ef82d410081

SHA1
22a252bc14ba63ee681193e71619cf3a3d7c26c5

SHA256
99ed4904909c3a78d63e83ac608fcbe9ca7ac16ed1dba29b04b4d0e54da3a82c

SHA512
2741ac98a180929ef2eab5d0db42049c82279d747e6dd1aba0cbd3e488291c23b33dd46fd1560b5f342af2a2f359bcf4fb464d7a9df439ab46c37d56cc9986e5

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

Filesize
144KB

MD5
b52e90b04ff2d3c356eb1ef82d410081

SHA1
22a252bc14ba63ee681193e71619cf3a3d7c26c5

SHA256
99ed4904909c3a78d63e83ac608fcbe9ca7ac16ed1dba29b04b4d0e54da3a82c

SHA512
2741ac98a180929ef2eab5d0db42049c82279d747e6dd1aba0cbd3e488291c23b33dd46fd1560b5f342af2a2f359bcf4fb464d7a9df439ab46c37d56cc9986e5

Download Submit
memory/1364-54-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

Download
memory/1364-55-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1364-56-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1364-59-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1364-60-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1732-65-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1732-69-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1732-70-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download