8b04fffafb9e09487a23e745d058906d32162ecca2cb0bdcb1bcd893ffea2345

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
13/03/2024, 23:03

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General

Target

c7118e486c574ff2f9bec85d80a9900a.pdf
Size

97KB
MD5

c7118e486c574ff2f9bec85d80a9900a
SHA1

7cc47f82cbd72d731802a6003d6ea19c80e6041e
SHA256

8b04fffafb9e09487a23e745d058906d32162ecca2cb0bdcb1bcd893ffea2345
SHA512

f6a0a8aef0fb8989e60b8fe0c6f4538c46771f27768e75ad2a7bbca3c563339992aa8e55b9d5a2b3c97c4af11158ae818277167ddb0ac37ec9edf71d86fd6462
SSDEEP

3072:5If+qB939R66LflaSe4Q8ZcOTh1J+nwrKFc:6f+qBp9RFTK4Th1JGC

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
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
424	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe
424	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 424 wrote to memory of 2960	424	AcroRd32.exe	84
PID 424 wrote to memory of 2960	424	AcroRd32.exe	84
PID 424 wrote to memory of 2960	424	AcroRd32.exe	84
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 5000	2960	RdrCEF.exe	85
PID 2960 wrote to memory of 4912	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 4912	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 4912	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 4912	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 4912	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 4912	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 4912	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 4912	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 4912	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 4912	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 4912	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 4912	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 4912	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 4912	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 4912	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 4912	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 4912	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 4912	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 4912	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 4912	2960	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\c7118e486c574ff2f9bec85d80a9900a.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:424
- 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:2960
- - 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=B9918BD59A29B7CC00B8FA0BB1452FEC --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5000
- - 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=3167ED45AC0D399E6AAC7015776BD659 --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=3167ED45AC0D399E6AAC7015776BD659 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4912
- - 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=BF6DD6BAC8E789A436B5AEEEB867814B --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4216
- - 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=B4B9EED19DC196948E37E2F4992EF4A2 --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=B4B9EED19DC196948E37E2F4992EF4A2 --renderer-client-id=5 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3784
- - 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=5DBB43C377E3344814A09C4E7A1BC3E9 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3272
- - 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=D5D4952507D031B4E4C5D898F8578002 --mojo-platform-channel-handle=2212 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4660

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2420

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
3d695c1a03aa3e4be1c78450492c7065

SHA1
01ff7b8cda5fba8319048afa98bc9fa624377d95

SHA256
352877cad574287038fa1e04e621a12e113238fad4ed3b3a63aa44268634692c

SHA512
d68d0b8af6134900e1994df81c3ee5a4af738584dbe59ed8aa22d92dee701e3a397591fbec68ecd9b36e200a634d5c089261a92bd94c4048a5068aa00d6cfc6f

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