eadec2eee4f7b459e5ac84ef5b6e4b657e2966b7fcc1a433964516c138b6896a

Analysis

max time kernel
150s
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
05/03/2024, 15:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b4fbeedc85555eeec46d617bdac64447.pdf
Size

88KB
MD5

b4fbeedc85555eeec46d617bdac64447
SHA1

0e0ee95ced7f859bf7c82c9a1084e7a0631d56aa
SHA256

eadec2eee4f7b459e5ac84ef5b6e4b657e2966b7fcc1a433964516c138b6896a
SHA512

bd9bdb31c896cc0724bdd3ecf70377b2e04788b9bf05e01b0d2e6351e2200c2fa5c75c2d9a3cc80ebc7dfc400f9bc06cb99bce4f2bce0c980248d821510f4f1e
SSDEEP

1536:Nf3WnQvhTDb8WN3qRMiGZhU/MqSh2tTeKLoRANmTW63vQWypOlL364GWSyY9mY7S:9mn0hgf4uEN2tTBLoRANmT3plLREyYXk

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1568	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe
1568	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 4800	1568	AcroRd32.exe	91
PID 1568 wrote to memory of 4800	1568	AcroRd32.exe	91
PID 1568 wrote to memory of 4800	1568	AcroRd32.exe	91
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 4100	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2452	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2452	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2452	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2452	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2452	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2452	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2452	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2452	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2452	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2452	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2452	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2452	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2452	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2452	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2452	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2452	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2452	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2452	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2452	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2452	4800	RdrCEF.exe	93

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\b4fbeedc85555eeec46d617bdac64447.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:1568
- 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:4800
- - 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=C16C0E84C0D1E9531698C3E6D4954B5F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4100
- - 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=BC86BDF800B7D1F12C1244D6E0F7103E --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=BC86BDF800B7D1F12C1244D6E0F7103E --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2452
- - 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=E931909C89560F7702E0EF1B4FA5A928 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2456
- - 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=66C6B2382641B48D2F1DCDDCC81F10FC --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2704
- - 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=8A2C7D4CA8E7831B04CA61E1CF344671 --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=8A2C7D4CA8E7831B04CA61E1CF344671 --renderer-client-id=6 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:880
- - 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=63ADE7BBC111E7E757CFA916023CF23D --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3368

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4668

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
159b9b5ea31f11efcfbc26651cc1ae3d

SHA1
b5a8a69c677f947eb444f2bc17b1af4b7308e13d

SHA256
edde6f49c525df4440e1bfbf3ff2ee559fe27364bbf1743ad298e278444b4ab2

SHA512
69348b110c08f63d3963e19805960636fcc6e3f015c6ac3141bec101ffa8937059db73b95044b2d704f770022c874c99173c4c95e287d3e4bbfe9030a9496b7a

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