8ea14511b86c8eb56a65ff008de9d7279db6ae1084dde9d1053663abaf755a38

Analysis

max time kernel
151s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 18:56

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General

Target

ac9bce774fc5c50bf201b1ebfaee171a.pdf
Size

85KB
MD5

ac9bce774fc5c50bf201b1ebfaee171a
SHA1

573f4da16ec3c5361fcdcb5e84a538b57dd78276
SHA256

8ea14511b86c8eb56a65ff008de9d7279db6ae1084dde9d1053663abaf755a38
SHA512

d0ba89775617040843d6e04a102bf64ae82178d8e6461ab9f1b451e5772adca2a1cb22b713be1b3f63829dc898ba69fe0c5966e6ceb4a9e17e4a3b57a07a867e
SSDEEP

1536:A2zLfDxvd4tSQPmca16Xeaio8lSEsN7nqJWYpO2+WAKgt1xDX3kygnaUeV:pfNl4tSQud16Xe5RSEskg2PExDX3kyYk

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3872	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe
3872	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3872 wrote to memory of 2316	3872	AcroRd32.exe	98
PID 3872 wrote to memory of 2316	3872	AcroRd32.exe	98
PID 3872 wrote to memory of 2316	3872	AcroRd32.exe	98
PID 3872 wrote to memory of 1532	3872	AcroRd32.exe	99
PID 3872 wrote to memory of 1532	3872	AcroRd32.exe	99
PID 3872 wrote to memory of 1532	3872	AcroRd32.exe	99
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 4464	2316	RdrCEF.exe	100
PID 2316 wrote to memory of 3240	2316	RdrCEF.exe	101
PID 2316 wrote to memory of 3240	2316	RdrCEF.exe	101
PID 2316 wrote to memory of 3240	2316	RdrCEF.exe	101
PID 2316 wrote to memory of 3240	2316	RdrCEF.exe	101
PID 2316 wrote to memory of 3240	2316	RdrCEF.exe	101
PID 2316 wrote to memory of 3240	2316	RdrCEF.exe	101
PID 2316 wrote to memory of 3240	2316	RdrCEF.exe	101
PID 2316 wrote to memory of 3240	2316	RdrCEF.exe	101
PID 2316 wrote to memory of 3240	2316	RdrCEF.exe	101
PID 2316 wrote to memory of 3240	2316	RdrCEF.exe	101
PID 2316 wrote to memory of 3240	2316	RdrCEF.exe	101
PID 2316 wrote to memory of 3240	2316	RdrCEF.exe	101
PID 2316 wrote to memory of 3240	2316	RdrCEF.exe	101
PID 2316 wrote to memory of 3240	2316	RdrCEF.exe	101
PID 2316 wrote to memory of 3240	2316	RdrCEF.exe	101
PID 2316 wrote to memory of 3240	2316	RdrCEF.exe	101
PID 2316 wrote to memory of 3240	2316	RdrCEF.exe	101

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\ac9bce774fc5c50bf201b1ebfaee171a.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3872
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=2D4A3A1D6CF4048C78E2093702D7D363 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4464
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=CE4BBABD5B22E4029EE10147E44F07C7 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=CE4BBABD5B22E4029EE10147E44F07C7 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3240
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=CEBF994440D754D2960D067C05D31F6A --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=CEBF994440D754D2960D067C05D31F6A --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3480
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=9913E8C0D21AB8C889EF8DC05EF20FE7 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1784
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=2E88FDAD5DAC2C9A2D1B358CA4FBD7CD --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3264
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=D906F2FB2619263E9594D4377B056841 --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4064
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  PID:1532

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5092

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3808 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
1⤵
PID:4528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
9c49e1f244cba4101a28829e3229bf07

SHA1
c815ac0bcb131619b8c5f270b09ea55075d98a2e

SHA256
dcfbb1dbf59d1021cf84d7d0efe70aa3129b31bb35290add4836f0f3f7a395ae

SHA512
c6f123147c3d85394a69ed6ff65988060eefda9879857ef3d6c41fd32f60c1fc8b4971c1e20844d5db730d455cc39cac23a915c408028bcdcad76b66daa160cc

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit