e398c02dbcbe7f2144ff0597d70dd8ffb8be48b0c9053ee5e891276f0bc903f5

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24/12/2023, 14:30

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General

Target

010454b7859b08e130046e5b1a9b6957.exe
Size

200KB
MD5

010454b7859b08e130046e5b1a9b6957
SHA1

b2c95add393ea75b0318f79e693b84fea4b52734
SHA256

e398c02dbcbe7f2144ff0597d70dd8ffb8be48b0c9053ee5e891276f0bc903f5
SHA512

d44593282f72d3f21e2ec1032f07aca416efd54aa76b07278c217b7b90a0b672d4b546ea0dba2fb18c6bf97f302c19659521775fea8ab97c080f3acaf07abc4c
SSDEEP

3072:Bih0fMFfugUVg+/to3AbyaTzEfKi9Rv2PNpWJJpO3+KwIZxoUVVZWKbLqvTbI:0h0fUWgUVBWwWOErvEeof5ZzVeKPaTbI

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
2580	yygqtli.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\yygqtli.exe	010454b7859b08e130046e5b1a9b6957.exe
File created	C:\PROGRA~3\Mozilla\tsbhrzd.dll	yygqtli.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2892	010454b7859b08e130046e5b1a9b6957.exe
2580	yygqtli.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2580	2208	taskeng.exe	31
PID 2208 wrote to memory of 2580	2208	taskeng.exe	31
PID 2208 wrote to memory of 2580	2208	taskeng.exe	31
PID 2208 wrote to memory of 2580	2208	taskeng.exe	31

C:\Users\Admin\AppData\Local\Temp\010454b7859b08e130046e5b1a9b6957.exe
"C:\Users\Admin\AppData\Local\Temp\010454b7859b08e130046e5b1a9b6957.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
PID:2892

C:\Windows\system32\taskeng.exe
taskeng.exe {280E4402-6A6B-4E8B-9D7F-EEE0C8D3AD52} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2208
- C:\PROGRA~3\Mozilla\yygqtli.exe
  C:\PROGRA~3\Mozilla\yygqtli.exe -kvhfiah
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of UnmapMainImage
  PID:2580

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\yygqtli.exe

Filesize
201KB

MD5
aeaceeeef4bb14756db446bb0c91d4e9

SHA1
d943af71ebf092901eae6c8b81f57bbc0634333c

SHA256
b8cf5d06289d6ccbe3f7a5d54bbd530fb82a3636e3fbc9e0838f374460bb6573

SHA512
f202f29bb8e488d36b8357d13afeeaa15f145eadc4c1f5788dd8ab4c4304137e57cc16fe23a0122f66348afad321ceac5a3d1164cdf446904cd01d120dc4feca

Download Submit
memory/2580-7-0x0000000000900000-0x000000000095B000-memory.dmp

Filesize
364KB

Download
memory/2580-8-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2580-11-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2580-10-0x0000000000900000-0x000000000095B000-memory.dmp

Filesize
364KB

Download
memory/2892-0-0x0000000000460000-0x00000000004BB000-memory.dmp

Filesize
364KB

Download
memory/2892-1-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2892-3-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2892-4-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download