f313c9312de1a26d6e5a72e34fd044c30d348007612eae444394fbbc6c0209f9

Analysis

max time kernel
141s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 12:57

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General

Target

cb77bbc27e6648f5195bb474e075d41a.pdf
Size

77KB
MD5

cb77bbc27e6648f5195bb474e075d41a
SHA1

d6b00313e8f58946d2727e1fbd4cdfe08c674f58
SHA256

f313c9312de1a26d6e5a72e34fd044c30d348007612eae444394fbbc6c0209f9
SHA512

4b15ee3876f4d8759840420c8e418788217109ef8bea12b8ed9f9132bdbcf9ed1334d9b0b76ff5106ad1e5c6f20a3a5402c5c27fa55376f934a8711d09c2cd92
SSDEEP

1536:FUom/ViMb23nB7WeqZ3GXXGAVU0CQF28Gq684FV6BaCOGLd:fqCBKPiB6V0RBaCOu

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

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4284	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4284 wrote to memory of 3424	4284	AcroRd32.exe	94
PID 4284 wrote to memory of 3424	4284	AcroRd32.exe	94
PID 4284 wrote to memory of 3424	4284	AcroRd32.exe	94
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 932	3424	RdrCEF.exe	95
PID 3424 wrote to memory of 2484	3424	RdrCEF.exe	96
PID 3424 wrote to memory of 2484	3424	RdrCEF.exe	96
PID 3424 wrote to memory of 2484	3424	RdrCEF.exe	96
PID 3424 wrote to memory of 2484	3424	RdrCEF.exe	96
PID 3424 wrote to memory of 2484	3424	RdrCEF.exe	96
PID 3424 wrote to memory of 2484	3424	RdrCEF.exe	96
PID 3424 wrote to memory of 2484	3424	RdrCEF.exe	96
PID 3424 wrote to memory of 2484	3424	RdrCEF.exe	96
PID 3424 wrote to memory of 2484	3424	RdrCEF.exe	96
PID 3424 wrote to memory of 2484	3424	RdrCEF.exe	96
PID 3424 wrote to memory of 2484	3424	RdrCEF.exe	96
PID 3424 wrote to memory of 2484	3424	RdrCEF.exe	96
PID 3424 wrote to memory of 2484	3424	RdrCEF.exe	96
PID 3424 wrote to memory of 2484	3424	RdrCEF.exe	96
PID 3424 wrote to memory of 2484	3424	RdrCEF.exe	96
PID 3424 wrote to memory of 2484	3424	RdrCEF.exe	96
PID 3424 wrote to memory of 2484	3424	RdrCEF.exe	96
PID 3424 wrote to memory of 2484	3424	RdrCEF.exe	96
PID 3424 wrote to memory of 2484	3424	RdrCEF.exe	96
PID 3424 wrote to memory of 2484	3424	RdrCEF.exe	96

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\cb77bbc27e6648f5195bb474e075d41a.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:4284
- 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:3424
- - 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=1D723E91CE755AED283291B9A947B894 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:932
- - 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=9009783EB85733A1425F578AAE176FD4 --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=9009783EB85733A1425F578AAE176FD4 --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2484
- - 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=2621F37A8A2BB20DD2FB9115D94770C2 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5092
- - 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=53B170BEDB8614727A3CF525DB8C9260 --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=53B170BEDB8614727A3CF525DB8C9260 --renderer-client-id=5 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3124
- - 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=BB0D52FD459545BA13B840C2D5B77E71 --mojo-platform-channel-handle=2864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2912
- - 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=606DD5831D915613CF309D892E414ECA --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4132

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3880

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
e6256a35cfdd05c27f42111ecf8c71f7

SHA1
4bca46f0c94396a16dc1d18bdd2363c18813a0c5

SHA256
1ec0645137d4c865190ddefedc3480775ed3c5c0c7b56682a04bcc568a4f9066

SHA512
611a9e1bed39429fff1411fe96ab7cec54ea7fe7f716f1ec6e4f8480957cb06d883f4a324dfcbbc1e4a159a7f6c58a27dc007c07b98ec990de5f87798a1dcbe1

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
memory/4284-26-0x000000000C090000-0x000000000C0B1000-memory.dmp

Filesize
132KB

Download