e8672bd4ed55ba72a3dbf8485cd62f250c62f9440ae2f3802cbb0c0bd713426b

Resubmissions

23/07/2024, 14:14

240723-rkfy9axckb 3

23/07/2024, 14:14

240723-rj96psthmj 3

23/07/2024, 14:13

240723-rjnmpsxbph 4

Analysis

max time kernel
25s
max time network
27s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
23/07/2024, 14:13

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General

Target

A9BFFB1AFBC.exe
Size

22.6MB
MD5

991eb213e07b300da2e613540ab73b22
SHA1

92e47343213beb45fd1e5c46ebb2e4e6112bba39
SHA256

e8672bd4ed55ba72a3dbf8485cd62f250c62f9440ae2f3802cbb0c0bd713426b
SHA512

9d1df2a9d2a32209363dcce21f5442ae373cf08aa3cbba3186182abc5ff2d1b9a6212b90d149c391d9df1f9fd098c483a7e99a3bf9177f0047e282235703c31f
SSDEEP

393216:wjUhQ5zzPiYfcLYnzjbLYg/GXv2pXpH9P3il/gsHoEl8h/lt8/QH:JQpKYf+CLHGm9PggsHzylt8i

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SystemTemp	chrome.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1072	chrome.exe
1072	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

pid	Process
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1072	chrome.exe
Token: SeCreatePagefilePrivilege	1072	chrome.exe

Suspicious use of FindShellTrayWindow 27 IoCs

pid	Process
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe
1072	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1072 wrote to memory of 872	1072	chrome.exe	82
PID 1072 wrote to memory of 872	1072	chrome.exe	82
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 3712	1072	chrome.exe	83
PID 1072 wrote to memory of 1696	1072	chrome.exe	84
PID 1072 wrote to memory of 1696	1072	chrome.exe	84
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85
PID 1072 wrote to memory of 3340	1072	chrome.exe	85

C:\Users\Admin\AppData\Local\Temp\A9BFFB1AFBC.exe
"C:\Users\Admin\AppData\Local\Temp\A9BFFB1AFBC.exe"
1⤵
PID:3908

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Drops file in Windows directory
- 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:1072
- 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffc48f8cc40,0x7ffc48f8cc4c,0x7ffc48f8cc58
  2⤵
  PID:872
- 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=1828,i,17226682273188751813,5756179360811801171,262144 --variations-seed-version=20240709-050124.519000 --mojo-platform-channel-handle=1824 /prefetch:2
  2⤵
  PID:3712
- 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=2104,i,17226682273188751813,5756179360811801171,262144 --variations-seed-version=20240709-050124.519000 --mojo-platform-channel-handle=2096 /prefetch:3
  2⤵
  PID:1696
- 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=2188,i,17226682273188751813,5756179360811801171,262144 --variations-seed-version=20240709-050124.519000 --mojo-platform-channel-handle=2368 /prefetch:8
  2⤵
  PID:3340
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=3080,i,17226682273188751813,5756179360811801171,262144 --variations-seed-version=20240709-050124.519000 --mojo-platform-channel-handle=3136 /prefetch:1
  2⤵
  PID:2112
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=3140,i,17226682273188751813,5756179360811801171,262144 --variations-seed-version=20240709-050124.519000 --mojo-platform-channel-handle=3264 /prefetch:1
  2⤵
  PID:1700
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=4516,i,17226682273188751813,5756179360811801171,262144 --variations-seed-version=20240709-050124.519000 --mojo-platform-channel-handle=4492 /prefetch:1
  2⤵
  PID:1452

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:4848

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

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Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

Filesize
1KB

MD5
de56f1a5f16714fb6681363a6051d18a

SHA1
222ff0e3850b270e81b2310da8c0f57a12da900a

SHA256
c96cee6bfa6c1914a23ac57f11423257b98f98a3bd810f1565676d82e68ab212

SHA512
db8b82f356cbb74a0e7f1d201ab6995768c4819990cf2f86f9ace0a38f58c187fe71cf51e79aaca0b43dd5d4404952d539109200fd8045727c08cf039592bd52

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\Network\TransportSecurity

Filesize
356B

MD5
d0bd34ee447fdb2e2444c60668427d5b

SHA1
164f441b6997525f5b63f1685b43e4081915bd82

SHA256
26b54c6d86dd9be4cdc9641269fef49b3d056a265c53ffc8e166b743fee989ef

SHA512
d3d19c78c4079fc304e312ff80ce5242ebf50f066687516a850388f3f177db170e686bfa16a7e99bbd4abd58df55c0d607c89d35a6cfe19ffb8d22503c0598d9

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

Filesize
8KB

MD5
166ab9aad9eac8cb0d4ec3efcd76e0aa

SHA1
6ed686b3c792162c2392dfaf7646b3393788dd1c

SHA256
04bb3667c6d99f268df22a96125f78636835986d752a5e570571157e0f4a9238

SHA512
5b87bd8f26fb12424b3f8a533c186b8b67375bd59921cc40f6e694629cde18d77ea520e01c14c9e9f50897fa09d3f8023cce24c7332ee281cc646eac660f6d59

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

Filesize
92KB

MD5
417d11876833d20d0d60a318c2f78948

SHA1
d419b8049bf4e55ce3f953b33836dd69cb880de6

SHA256
1960e8b90c2baa1f2d04349e91298bd1022d36e9f87939bf6049314bedefde4b

SHA512
b55fde6b8944193dabce8c6ef0748aed51ea82a7d47f891a374509334ed2012aec23523d1ae1dbf14858cb33daf095472416d90fc71c3a511906747473ad8af3

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ShaderCache\data_1

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

Download Submit