c95b3aa41b764ea5e09fbd31b0312aa924dea2f98f254aadf254442fbabc7cce

Analysis

max time kernel
12s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 04:32

Sharing

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General

Target

284beb92ed2761ab02dfdf828b36a276.pdf
Size

52KB
MD5

284beb92ed2761ab02dfdf828b36a276
SHA1

2d918c90be455ea3afda8ee1e46aad4fbe4f73da
SHA256

c95b3aa41b764ea5e09fbd31b0312aa924dea2f98f254aadf254442fbabc7cce
SHA512

44faa8bce5f16d184ef057531432ab4b1db686ac93205465ddd7394c5a55ba28e11da0c4f908efff54ab8a9f76708971618c3bfac65fa563b0fcc1b2ad7cc685
SSDEEP

768:GeYalS0IR0d1So501mdfiKtiBp5+Rib3SZQXROnbvBYaYLRlEUcjNdGsqVkly:GefSkPSakZFbCQX0bvBfELEdj2sqVcy

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3084	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe
3084	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3084 wrote to memory of 4632	3084	AcroRd32.exe	90
PID 3084 wrote to memory of 4632	3084	AcroRd32.exe	90
PID 3084 wrote to memory of 4632	3084	AcroRd32.exe	90
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 556	4632	RdrCEF.exe	92
PID 4632 wrote to memory of 4008	4632	RdrCEF.exe	93
PID 4632 wrote to memory of 4008	4632	RdrCEF.exe	93
PID 4632 wrote to memory of 4008	4632	RdrCEF.exe	93
PID 4632 wrote to memory of 4008	4632	RdrCEF.exe	93
PID 4632 wrote to memory of 4008	4632	RdrCEF.exe	93
PID 4632 wrote to memory of 4008	4632	RdrCEF.exe	93
PID 4632 wrote to memory of 4008	4632	RdrCEF.exe	93
PID 4632 wrote to memory of 4008	4632	RdrCEF.exe	93
PID 4632 wrote to memory of 4008	4632	RdrCEF.exe	93
PID 4632 wrote to memory of 4008	4632	RdrCEF.exe	93
PID 4632 wrote to memory of 4008	4632	RdrCEF.exe	93
PID 4632 wrote to memory of 4008	4632	RdrCEF.exe	93
PID 4632 wrote to memory of 4008	4632	RdrCEF.exe	93
PID 4632 wrote to memory of 4008	4632	RdrCEF.exe	93
PID 4632 wrote to memory of 4008	4632	RdrCEF.exe	93
PID 4632 wrote to memory of 4008	4632	RdrCEF.exe	93
PID 4632 wrote to memory of 4008	4632	RdrCEF.exe	93
PID 4632 wrote to memory of 4008	4632	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\284beb92ed2761ab02dfdf828b36a276.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3084
- 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:4632
- - 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=BEC2C8734A3B64C0F19F5A1FABC65E35 --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=BEC2C8734A3B64C0F19F5A1FABC65E35 --renderer-client-id=2 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:556
- - 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=2D2FE8186EE00929E730C2412194A8A9 --mojo-platform-channel-handle=2068 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4008
- - 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=63EE2657CD09EAA1C57334D93913F005 --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=63EE2657CD09EAA1C57334D93913F005 --renderer-client-id=4 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4140
- - 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=8A46B81676CF58B96C17B08FB1F8B60F --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2524
- - 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=65F6D765E83A702289942995B0E52B17 --mojo-platform-channel-handle=2100 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3192
- - 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=F2C7669D3D67F407DCE2D04B1CEDAF8D --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:452

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2180

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
3KB

MD5
e5d1f245a86a7f8c377a64d038380cb6

SHA1
e424a6de2923c6245c0c7610a60b704baccf4d45

SHA256
b09bf6623bf2703c234e0cbd01922bd476eaa5c43b56c675130e4fe242fb9a26

SHA512
c94f421064c5871c24ba837d986ef880a52bd8451a01ddfff83ea0dd07c31ade9c22865e60ae36c52ace44404b8d46e73cea0fbad3c9c7fbf974e05819e178da

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