353df4f186c06a626373b0978d15ec6357510fd0d4ac54b63217b37142ab52d3

Analysis

max time kernel
68s
max time network
53s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
28/04/2024, 16:33

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

FlashKiller.exe
Size

4KB
MD5

331973644859575a72f7b08ba0447f2a
SHA1

869a4f0c48ed46b8fe107c0368d5206bc8b2efb5
SHA256

353df4f186c06a626373b0978d15ec6357510fd0d4ac54b63217b37142ab52d3
SHA512

402662eb4d47af234b3e5fbba10c6d77bdfdb9ff8ecfdd9d204f0264b64ea97fc3b5c54469f537173a26c72b3733550854749649d649bc0153c8fe3faacc50a1

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1956	5036	WerFault.exe	86

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000_Classes\Local Settings	OpenWith.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4088	chrome.exe
4088	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

pid	Process
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4088	chrome.exe
Token: SeCreatePagefilePrivilege	4088	chrome.exe
Token: SeShutdownPrivilege	4088	chrome.exe
Token: SeCreatePagefilePrivilege	4088	chrome.exe

Suspicious use of FindShellTrayWindow 27 IoCs

pid	Process
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe
4088	chrome.exe

Suspicious use of SetWindowsHookEx 23 IoCs

pid	Process
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe
3756	OpenWith.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3756 wrote to memory of 368	3756	OpenWith.exe	100
PID 3756 wrote to memory of 368	3756	OpenWith.exe	100
PID 4088 wrote to memory of 4152	4088	chrome.exe	102
PID 4088 wrote to memory of 4152	4088	chrome.exe	102
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 1800	4088	chrome.exe	103
PID 4088 wrote to memory of 2136	4088	chrome.exe	104
PID 4088 wrote to memory of 2136	4088	chrome.exe	104
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105
PID 4088 wrote to memory of 3324	4088	chrome.exe	105

C:\Users\Admin\AppData\Local\Temp\FlashKiller.exe
"C:\Users\Admin\AppData\Local\Temp\FlashKiller.exe"
1⤵
PID:5036
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5036 -s 240
  2⤵
  - Program crash
  PID:1956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 5036 -ip 5036
1⤵
PID:4568

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\Desktop\DenyReset.cmd" "
1⤵
PID:1912

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x2f4 0x448
1⤵
PID:2124

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3756
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\3t╟+
  2⤵
  PID:368

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4088
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.106 --initial-client-data=0xf8,0xfc,0x100,0x84,0x104,0x7ffa2ad7cc40,0x7ffa2ad7cc4c,0x7ffa2ad7cc58
  2⤵
  PID:4152
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=2024,i,18155062072106124571,641211122920335610,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=2020 /prefetch:2
  2⤵
  PID:1800
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=1772,i,18155062072106124571,641211122920335610,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=2484 /prefetch:3
  2⤵
  PID:2136
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=2156,i,18155062072106124571,641211122920335610,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=2652 /prefetch:8
  2⤵
  PID:3324
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3128,i,18155062072106124571,641211122920335610,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=3148 /prefetch:1
  2⤵
  PID:552
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=2892,i,18155062072106124571,641211122920335610,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=3300 /prefetch:1
  2⤵
  PID:4460
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4568,i,18155062072106124571,641211122920335610,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=4532 /prefetch:1
  2⤵
  PID:772
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --field-trial-handle=4008,i,18155062072106124571,641211122920335610,262144 --variations-seed-version=20240418-180204.077000 --mojo-platform-channel-handle=3632 /prefetch:1
  2⤵
  PID:2804

C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe"
1⤵
PID:2168

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\DawnCache\data_1

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
8KB

MD5
947db9290b28a2ae37ab53c8a55881c3

SHA1
6c0b7d2ecc697546f38db2638ee66d144f3e7b6d

SHA256
16d733c99eb66112984cd753fe1b15e502e7d94cccc19ec263881605514e1d02

SHA512
d56af6e11376c4f2e55983dc9b85b7adf550e7a7d2b307d9ed5469af3698905bbeb325a277d93167018f1dda57445d707f8fd0f84d0166572c046f7480c4f2f5

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

Filesize
77KB

MD5
59162f9b26cfc1c72102f629014887a2

SHA1
38fb217dea66b7ae07cce7cb7836dbfce026a229

SHA256
b517a256339549813978ab8445a1c7f58b59785887b44daf0997a36a0df7c778

SHA512
1711404ed04256fbca937313c0f99528d6cb102c9be11b75db17f6cc927af68f76a05ac3398888f87612b001f3f2789dfb8ee146a5004620721313967692f27b

Download Submit
memory/5036-0-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download