9f1e368e4a040f95c03a92b513619d2a6596f225376ecd8e022468bd79ffb60a

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 21:01

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General

Target

03e23cbfc142b96bb9267764a1e94c81.pdf
Size

78KB
MD5

03e23cbfc142b96bb9267764a1e94c81
SHA1

ec95c905b7062508a787fc378ee58502a86eb8b7
SHA256

9f1e368e4a040f95c03a92b513619d2a6596f225376ecd8e022468bd79ffb60a
SHA512

1e46bb54ecdc2e19db62d4945aeaeea1804f54599ba80665c30a9de288a3a2cf0cf0345bc379f0658b594e4b1deec5aa346ea6c13bc5913e7580de2a636ca66f
SSDEEP

1536:/m0AQQ0rHj0ETXeZX+qLckR4q1Ql1j6XjsLx1Ww9DgcEAgW8pO7bWG:VAQISeZOqLcm7ml1jZ5D8AL7L

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
532	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 4820	532	AcroRd32.exe	90
PID 532 wrote to memory of 4820	532	AcroRd32.exe	90
PID 532 wrote to memory of 4820	532	AcroRd32.exe	90
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 4840	4820	RdrCEF.exe	92
PID 4820 wrote to memory of 1240	4820	RdrCEF.exe	91
PID 4820 wrote to memory of 1240	4820	RdrCEF.exe	91
PID 4820 wrote to memory of 1240	4820	RdrCEF.exe	91
PID 4820 wrote to memory of 1240	4820	RdrCEF.exe	91
PID 4820 wrote to memory of 1240	4820	RdrCEF.exe	91
PID 4820 wrote to memory of 1240	4820	RdrCEF.exe	91
PID 4820 wrote to memory of 1240	4820	RdrCEF.exe	91
PID 4820 wrote to memory of 1240	4820	RdrCEF.exe	91
PID 4820 wrote to memory of 1240	4820	RdrCEF.exe	91
PID 4820 wrote to memory of 1240	4820	RdrCEF.exe	91
PID 4820 wrote to memory of 1240	4820	RdrCEF.exe	91
PID 4820 wrote to memory of 1240	4820	RdrCEF.exe	91
PID 4820 wrote to memory of 1240	4820	RdrCEF.exe	91
PID 4820 wrote to memory of 1240	4820	RdrCEF.exe	91
PID 4820 wrote to memory of 1240	4820	RdrCEF.exe	91
PID 4820 wrote to memory of 1240	4820	RdrCEF.exe	91
PID 4820 wrote to memory of 1240	4820	RdrCEF.exe	91
PID 4820 wrote to memory of 1240	4820	RdrCEF.exe	91
PID 4820 wrote to memory of 1240	4820	RdrCEF.exe	91
PID 4820 wrote to memory of 1240	4820	RdrCEF.exe	91

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\03e23cbfc142b96bb9267764a1e94c81.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:532
- 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:4820
- - 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=1908C328140AF0F4939A1792F4B9D570 --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=1908C328140AF0F4939A1792F4B9D570 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1240
- - 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=BEF51B07BD0CDC45EF8460B722298544 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4840
- - 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=3D3D69CF70991CBB6DF07DB6B40E71F8 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=71040E9B65368AE71A25DC2A781E6B22 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2152
- - 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=B55E615DDE77982A2D698B72E429C360 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4872
- - 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=82F82C8F83A613E9760E175D44A481C8 --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=82F82C8F83A613E9760E175D44A481C8 --renderer-client-id=7 --mojo-platform-channel-handle=1888 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4908

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2264

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
e244f8a7cccb1184f44cab5aea4ef964

SHA1
083e5903a750ed4ac2e79e391a54c0c6cf2aec6f

SHA256
63656d5e90256c28b9d9840052befd3d6eb4f7c3dccac8ac4ea7a2f70fde73d9

SHA512
f36f6b95a7b51d17b97fe68e606135178f95237a2f3f75223243967c3a80fcef892acb7bee2d5864ce586b31d906620293e045ee0d19dde9d071392b3e247214

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