0b4047499bf84d51929dde23afd7d3c756aaf9781a8d9ea17b0de97db8b86e80

Analysis

max time kernel
141s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
07-03-2024 20:41

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b99b1d7da90642b2f3312cb11819dc9c.pdf
Size

44KB
MD5

b99b1d7da90642b2f3312cb11819dc9c
SHA1

696a86894f04699ec32efed4a80ac4174b0bf3c4
SHA256

0b4047499bf84d51929dde23afd7d3c756aaf9781a8d9ea17b0de97db8b86e80
SHA512

09bbdfe8b9045d3e702592c3cdbb1b332cbba73cb5b84452bda2e814abd17689fdca3a3a6e3a5e0d382cee4582ce07e35fb657be065d6cf3b35c89a021035f88
SSDEEP

768:q76v0DNCeyPYu+WOH0KesDyUc6h0ggBkicQsPd+bEtmhpK8aLBn:qSPt/OUKesD5cca6QsPd+bE8hpAdn

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3364	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3364 wrote to memory of 876	3364	AcroRd32.exe	84
PID 3364 wrote to memory of 876	3364	AcroRd32.exe	84
PID 3364 wrote to memory of 876	3364	AcroRd32.exe	84
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 5044	876	RdrCEF.exe	85
PID 876 wrote to memory of 4308	876	RdrCEF.exe	86
PID 876 wrote to memory of 4308	876	RdrCEF.exe	86
PID 876 wrote to memory of 4308	876	RdrCEF.exe	86
PID 876 wrote to memory of 4308	876	RdrCEF.exe	86
PID 876 wrote to memory of 4308	876	RdrCEF.exe	86
PID 876 wrote to memory of 4308	876	RdrCEF.exe	86
PID 876 wrote to memory of 4308	876	RdrCEF.exe	86
PID 876 wrote to memory of 4308	876	RdrCEF.exe	86
PID 876 wrote to memory of 4308	876	RdrCEF.exe	86
PID 876 wrote to memory of 4308	876	RdrCEF.exe	86
PID 876 wrote to memory of 4308	876	RdrCEF.exe	86
PID 876 wrote to memory of 4308	876	RdrCEF.exe	86
PID 876 wrote to memory of 4308	876	RdrCEF.exe	86
PID 876 wrote to memory of 4308	876	RdrCEF.exe	86
PID 876 wrote to memory of 4308	876	RdrCEF.exe	86
PID 876 wrote to memory of 4308	876	RdrCEF.exe	86
PID 876 wrote to memory of 4308	876	RdrCEF.exe	86
PID 876 wrote to memory of 4308	876	RdrCEF.exe	86
PID 876 wrote to memory of 4308	876	RdrCEF.exe	86
PID 876 wrote to memory of 4308	876	RdrCEF.exe	86

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\b99b1d7da90642b2f3312cb11819dc9c.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:3364
- 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:876
- - 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=5207BB17F0EC4A17F2521917271F7A10 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5044
- - 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=DD0034D7F55DE646671321B35F426C89 --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=DD0034D7F55DE646671321B35F426C89 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4308
- - 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=CD429C27C094126630A3923EC0EBFAE2 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3640
- - 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=618C10FCF943A026840BB43E06652945 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4384
- - 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=4F2D33F0D677A72A3B5DF84B2DA6B95B --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4712
- - 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=79E464CB17DC489340F1F396EEAA38BE --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=79E464CB17DC489340F1F396EEAA38BE --renderer-client-id=7 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3956

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4260

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
aa2ee78e67213e33900ce34ded686d75

SHA1
1a6565a3b4b55329318a88ad2e4da762edef7b19

SHA256
074489b7beb95f5da06e33f122937316db3094e4c7c97cce23daf7477a2dd5cc

SHA512
edb3f10c8b4705bccb0a812ae9895c0fd1a513a8389260404c0c794acd1111f1c6205846acef396c4c71e4dade5c962b3940f482ac85fb61d316158bd0b7b442

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/3364-26-0x000000000A1A0000-0x000000000A1F0000-memory.dmp

Filesize
320KB

Download