773721d2bcc62780e65d8926ec360cb4d1cd9973dd341afd056c3d2bbb671f41

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 08:41

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8be4b15f117a542dc0d7c46a54ef3ea3.pdf
Size

114KB
MD5

8be4b15f117a542dc0d7c46a54ef3ea3
SHA1

d2ad34597822f838938526607c812a6358b01a37
SHA256

773721d2bcc62780e65d8926ec360cb4d1cd9973dd341afd056c3d2bbb671f41
SHA512

452f17382e3c5dcccb731ba49a3550c7f9ac0cb606cd1fdcc3228676c5c7271e9f4af8a25c35c8fa8e8edc2d03d360eeda37525647e2842ce3ef15b260152c2e
SSDEEP

3072:xsBegGuno1wdTsNptXfmpP5YdrUMTuneAbNmXoVtbt:xs5k1wdotXfmqrUEugc/

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2208	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2388	2208	AcroRd32.exe	92
PID 2208 wrote to memory of 2388	2208	AcroRd32.exe	92
PID 2208 wrote to memory of 2388	2208	AcroRd32.exe	92
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 980	2388	RdrCEF.exe	94
PID 2388 wrote to memory of 220	2388	RdrCEF.exe	95
PID 2388 wrote to memory of 220	2388	RdrCEF.exe	95
PID 2388 wrote to memory of 220	2388	RdrCEF.exe	95
PID 2388 wrote to memory of 220	2388	RdrCEF.exe	95
PID 2388 wrote to memory of 220	2388	RdrCEF.exe	95
PID 2388 wrote to memory of 220	2388	RdrCEF.exe	95
PID 2388 wrote to memory of 220	2388	RdrCEF.exe	95
PID 2388 wrote to memory of 220	2388	RdrCEF.exe	95
PID 2388 wrote to memory of 220	2388	RdrCEF.exe	95
PID 2388 wrote to memory of 220	2388	RdrCEF.exe	95
PID 2388 wrote to memory of 220	2388	RdrCEF.exe	95
PID 2388 wrote to memory of 220	2388	RdrCEF.exe	95
PID 2388 wrote to memory of 220	2388	RdrCEF.exe	95
PID 2388 wrote to memory of 220	2388	RdrCEF.exe	95
PID 2388 wrote to memory of 220	2388	RdrCEF.exe	95
PID 2388 wrote to memory of 220	2388	RdrCEF.exe	95
PID 2388 wrote to memory of 220	2388	RdrCEF.exe	95
PID 2388 wrote to memory of 220	2388	RdrCEF.exe	95
PID 2388 wrote to memory of 220	2388	RdrCEF.exe	95
PID 2388 wrote to memory of 220	2388	RdrCEF.exe	95

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\8be4b15f117a542dc0d7c46a54ef3ea3.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:2208
- 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:2388
- - 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=EFDCBE5B4E3D9493FD1F141DAEFA61E7 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:980
- - 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=B277C98E4CDB78455C27D9B43352798B --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=B277C98E4CDB78455C27D9B43352798B --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:220
- - 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=D53CE93054234CDDD573E21FF21C6171 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:396
- - 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=B19822CAF6BAE0FFC764E8E999080DC3 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4592
- - 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=438E2F6E46BB95F7F85CCF70F43B7AC5 --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=438E2F6E46BB95F7F85CCF70F43B7AC5 --renderer-client-id=6 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1620
- - 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=53814844ED2C7C7F275386E9E9783B22 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4328

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1568

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
09d045f3fca81f56faa05256901c749f

SHA1
e06a4b61ca7cef74b58c10da0d3cf77e4384fc41

SHA256
904818c8b7eb1444e819ddb4d07aa7d43e6172c4ba16b56f164427713503c90e

SHA512
aabec24240f36e933ee0380c9fca7cab4d56528688cd550fff6f6b7b4d947b306a7820cdf12037d211dcca493b2897a20eddf554d3f073767497bcb22907341e

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/2208-28-0x000000000DAC0000-0x000000000DAE1000-memory.dmp

Filesize
132KB

Download