ef9ff43b055453399a54bd4c9493f5e77ece8ea2ae55c7cd976abd7b1786949e

Analysis

max time kernel
151s
max time network
173s
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 12:49

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General

Target

36b68af6a4f5699d58d5201186825074.pdf
Size

85KB
MD5

36b68af6a4f5699d58d5201186825074
SHA1

9b5cd480925e42c11326087f33fda1bc3a9fa021
SHA256

ef9ff43b055453399a54bd4c9493f5e77ece8ea2ae55c7cd976abd7b1786949e
SHA512

c83a09dde0aba5a97af95f9a6b4bc8b9ca638142d577e4ed1496e253c186e4438365641e1a65dc67a539579ac8242492c1cdd2380e2246b0c0bf3032e033c1b6
SSDEEP

1536:3e+kNyNH9S09G1/Ka7mp8vEeEt3PWJKHIUp1UNaeZYWCpOVinX5I5BKGK:u+kUNdP9G1/d7mp8v9Et3xoeSaKpViXf

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4452	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe
4452	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4452 wrote to memory of 3580	4452	AcroRd32.exe	92
PID 4452 wrote to memory of 3580	4452	AcroRd32.exe	92
PID 4452 wrote to memory of 3580	4452	AcroRd32.exe	92
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 3756	3580	RdrCEF.exe	93
PID 3580 wrote to memory of 1164	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 1164	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 1164	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 1164	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 1164	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 1164	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 1164	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 1164	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 1164	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 1164	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 1164	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 1164	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 1164	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 1164	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 1164	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 1164	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 1164	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 1164	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 1164	3580	RdrCEF.exe	94
PID 3580 wrote to memory of 1164	3580	RdrCEF.exe	94

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\36b68af6a4f5699d58d5201186825074.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:4452
- 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:3580
- - 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=A4050079C2D12FAFBA026BDC309436E3 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3756
- - 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=41BA46E01DE982803CE23D7A71E66F7D --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=41BA46E01DE982803CE23D7A71E66F7D --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1164
- - 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=B7EC1CC68CAC7D12CE1CE3D89C5B11ED --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4448
- - 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=0B57E39407817B79015AEBD8B0DDDCB3 --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=0B57E39407817B79015AEBD8B0DDDCB3 --renderer-client-id=5 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:740
- - 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=F2A1F23473BBA70D3CC9C37AC7543011 --mojo-platform-channel-handle=1832 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:652
- - 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=C8DD329979C90C0CA059C7D6027D8B9A --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:896

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4308

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
b347b828d24800eac961d0b9c9047e23

SHA1
b57b0a50f15be3d2e99233916ad487fbee8def83

SHA256
3296b4076ee673eea52a2715720411074ed1283921a92d2a7d10ac0517da8819

SHA512
de669a5dc280b0397f6af677b6159104cc2ddd088d9842f066ccdac8f94926e960179dd950dbfabdaab6a8b413c1d03a819d290dbb7f6c34438b5d7c01174fb6

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