f64d0482424e9dda37b1c97ce928a6172d6fc1578e93fb2d087522ffa04f913d

Analysis

max time kernel
285s
max time network
360s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 13:01

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General

Target

f64d0482424e9dda37b1c97ce928a6172d6fc1578e93fb2d087522ffa04f913d.exe
Size

196KB
MD5

8a949c1092c8918674dc21cb1b513627
SHA1

a2f59314403efab64aba3e194621987f32e00f1f
SHA256

f64d0482424e9dda37b1c97ce928a6172d6fc1578e93fb2d087522ffa04f913d
SHA512

954c0eeb69fd57903f122d357c3edeac9b96d5038a04e629283e57d141787c7f38bc1d3348e5c8568f45a3cbfc0769a5a575ba2ff05f78b0f17ce847695a0385
SSDEEP

6144:WjbeijyYeOWy5hEaIoW4VbS4osHwwyI4Tb:WuaiOWysahW2exsDnKb

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4496	is155083.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	f64d0482424e9dda37b1c97ce928a6172d6fc1578e93fb2d087522ffa04f913d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	f64d0482424e9dda37b1c97ce928a6172d6fc1578e93fb2d087522ffa04f913d.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4832	4496	WerFault.exe	82

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 4496	4376	f64d0482424e9dda37b1c97ce928a6172d6fc1578e93fb2d087522ffa04f913d.exe	82
PID 4376 wrote to memory of 4496	4376	f64d0482424e9dda37b1c97ce928a6172d6fc1578e93fb2d087522ffa04f913d.exe	82
PID 4376 wrote to memory of 4496	4376	f64d0482424e9dda37b1c97ce928a6172d6fc1578e93fb2d087522ffa04f913d.exe	82
PID 4496 wrote to memory of 4832	4496	is155083.exe	85
PID 4496 wrote to memory of 4832	4496	is155083.exe	85
PID 4496 wrote to memory of 4832	4496	is155083.exe	85

C:\Users\Admin\AppData\Local\Temp\f64d0482424e9dda37b1c97ce928a6172d6fc1578e93fb2d087522ffa04f913d.exe
"C:\Users\Admin\AppData\Local\Temp\f64d0482424e9dda37b1c97ce928a6172d6fc1578e93fb2d087522ffa04f913d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4376
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\is155083.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\is155083.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4496
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 544
    3⤵
    - Program crash
    PID:4832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4496 -ip 4496
1⤵
PID:3088

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:\Users\Admin\AppData\Local\Temp\IXP000.TMP\is155083.exe

Filesize
93KB

MD5
72a4c190c6b2de93db0d597fc6286747

SHA1
33c88dd25b1d941bed74d564fa33d2390d45a275

SHA256
4d8fe569b48e3c076bf13e719a2cb34a6768a40f0628fd6404fb5ef8d672faba

SHA512
62daa09f9bafa769267629cf5399ad4a6f3a6a97a883f9f8145258157d4cbaba4c03aa4ea10583e22fadd11b3a2b6f3b41bc9628db44c4cc9582f5e463b9bc24

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\is155083.exe

Filesize
93KB

MD5
72a4c190c6b2de93db0d597fc6286747

SHA1
33c88dd25b1d941bed74d564fa33d2390d45a275

SHA256
4d8fe569b48e3c076bf13e719a2cb34a6768a40f0628fd6404fb5ef8d672faba

SHA512
62daa09f9bafa769267629cf5399ad4a6f3a6a97a883f9f8145258157d4cbaba4c03aa4ea10583e22fadd11b3a2b6f3b41bc9628db44c4cc9582f5e463b9bc24

Download Submit
memory/4496-135-0x0000000000400000-0x0000000000418EC0-memory.dmp

Filesize
99KB

Download
memory/4496-136-0x0000000001EF0000-0x0000000001FCC000-memory.dmp

Filesize
880KB

Download