2ea1af8d0824a90a00350e1d6f2df3d0f8c86e013cddd93d6cd63768ac08339f

Analysis

max time kernel
240s
max time network
297s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
15/10/2023, 19:41

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General

Target

95da9850b28e32890dfbd97054554e40_exe32.exe
Size

295KB
MD5

95da9850b28e32890dfbd97054554e40
SHA1

15552c3ee4b723ec75fbcd152f7dbffcb2e04060
SHA256

2ea1af8d0824a90a00350e1d6f2df3d0f8c86e013cddd93d6cd63768ac08339f
SHA512

9a6bf2285cc0063f0beef1ea79e552e0f6dc31aa05b94950369c3c6104b839b74f2e1731b0cde9cc1dc68bd4a01b9ce6bdd9a496668408ea9a56c50ab070fe20
SSDEEP

6144:PBqxbamcAHJ636+chb9YOwImcUZUP6a0I8yj0B8a:5q8AH9+hOwnY6rp4xa

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
2588	yzgwzlh.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\yzgwzlh.exe	95da9850b28e32890dfbd97054554e40_exe32.exe
File created	C:\PROGRA~3\Mozilla\jhnnyvm.dll	yzgwzlh.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2588	2524	taskeng.exe	28
PID 2524 wrote to memory of 2588	2524	taskeng.exe	28
PID 2524 wrote to memory of 2588	2524	taskeng.exe	28
PID 2524 wrote to memory of 2588	2524	taskeng.exe	28

C:\Users\Admin\AppData\Local\Temp\95da9850b28e32890dfbd97054554e40_exe32.exe
"C:\Users\Admin\AppData\Local\Temp\95da9850b28e32890dfbd97054554e40_exe32.exe"
1⤵
- Drops file in Program Files directory
PID:2640

C:\Windows\system32\taskeng.exe
taskeng.exe {70C1B205-AD30-4C23-A9EE-6CF0ED005986} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2524
- C:\PROGRA~3\Mozilla\yzgwzlh.exe
  C:\PROGRA~3\Mozilla\yzgwzlh.exe -chuvxnb
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:2588

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\yzgwzlh.exe

Filesize
295KB

MD5
a9aa93c2e3981d5f235dbacf3b29dbae

SHA1
2d011c037c45b625459479854069e3f308d1082a

SHA256
417e4b08fd6f04b31ecf95f9b9953ebc862d69a71c6a85baf1889a66f2a83b30

SHA512
02ebb56df774e8ccd895d7f28737c5123f8fb6a9c035e408139b396f223294df59f6637898e8ad32d58e7b91200f470d1f9af1af1fc2f49751d3fb5da34eb3da

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

Filesize
295KB

MD5
a9aa93c2e3981d5f235dbacf3b29dbae

SHA1
2d011c037c45b625459479854069e3f308d1082a

SHA256
417e4b08fd6f04b31ecf95f9b9953ebc862d69a71c6a85baf1889a66f2a83b30

SHA512
02ebb56df774e8ccd895d7f28737c5123f8fb6a9c035e408139b396f223294df59f6637898e8ad32d58e7b91200f470d1f9af1af1fc2f49751d3fb5da34eb3da

Download Submit
memory/2588-13-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2588-14-0x0000000000380000-0x00000000003DB000-memory.dmp

Filesize
364KB

Download
memory/2640-0-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2640-1-0x0000000000220000-0x000000000027B000-memory.dmp

Filesize
364KB

Download
memory/2640-7-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download