865308734dd7fc421d36920ff79ce0ae4efcd214580a0ea42520751d451d7e5a

Analysis

max time kernel
118s
max time network
138s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
13/10/2023, 19:45

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General

Target

NEAS.1767147d72b8c12b519ff1724bc2e360.exe
Size

145KB
MD5

1767147d72b8c12b519ff1724bc2e360
SHA1

acad5b828c600e18391f4a91b0de912bc984e5bc
SHA256

865308734dd7fc421d36920ff79ce0ae4efcd214580a0ea42520751d451d7e5a
SHA512

e204ee1da2dae925d3921575e2c9fc7fb6e6f35cf438fc40d4756a90c184ffaadad520e89115be236da1f8f885536d38152f41dfa6865b5ff287fc6d4384110d
SSDEEP

3072:BO8tGaQ3xPEidEJQSqxBZJoYIXp0Tr14bAHK3cd/lazRd:BO8AaqcsEJQSqheYIX2J4a8cdta7

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
2260	jezwark.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\jezwark.exe	NEAS.1767147d72b8c12b519ff1724bc2e360.exe
File created	C:\PROGRA~3\Mozilla\gicylsk.dll	jezwark.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 2260	2004	taskeng.exe	29
PID 2004 wrote to memory of 2260	2004	taskeng.exe	29
PID 2004 wrote to memory of 2260	2004	taskeng.exe	29
PID 2004 wrote to memory of 2260	2004	taskeng.exe	29

C:\Users\Admin\AppData\Local\Temp\NEAS.1767147d72b8c12b519ff1724bc2e360.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.1767147d72b8c12b519ff1724bc2e360.exe"
1⤵
- Drops file in Program Files directory
PID:2972

C:\Windows\system32\taskeng.exe
taskeng.exe {7C04BB12-A25E-4063-B8A6-533EBC0FDBEC} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2004
- C:\PROGRA~3\Mozilla\jezwark.exe
  C:\PROGRA~3\Mozilla\jezwark.exe -yvxgvyl
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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\jezwark.exe

Filesize
145KB

MD5
bdbb4f47d29f4d48739d05d1e466ce13

SHA1
6e78489effaf2631d173588ea80f96f579fc5491

SHA256
64727ddc07d1406bbf3b7b42b9888b74fb7f110f7406aeabfe26eb175b72f5e4

SHA512
954e9e3b3419c9208b72a739bd01e323ec38d1903c25f9d350303d32135fcd70f759404d2531cf78d2543741a93cf21bce1faf8060f747614052a2eea86d8144

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

Filesize
145KB

MD5
bdbb4f47d29f4d48739d05d1e466ce13

SHA1
6e78489effaf2631d173588ea80f96f579fc5491

SHA256
64727ddc07d1406bbf3b7b42b9888b74fb7f110f7406aeabfe26eb175b72f5e4

SHA512
954e9e3b3419c9208b72a739bd01e323ec38d1903c25f9d350303d32135fcd70f759404d2531cf78d2543741a93cf21bce1faf8060f747614052a2eea86d8144

Download Submit
memory/2260-11-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2260-16-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2972-1-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2972-2-0x0000000000220000-0x0000000000222000-memory.dmp

Filesize
8KB

Download
memory/2972-3-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2972-7-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download