36b2b20f41e12c9f1ca2ede8713d89d156076adb91d933b1cd93487d932c1fea

Analysis

max time kernel
154s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 08:53

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General

Target

7f0bfac07c0e66571661c0bdb0303ef6.pdf
Size

36KB
MD5

7f0bfac07c0e66571661c0bdb0303ef6
SHA1

3f3fc3a7a6b39019f92e19058ca5134cfe5f1102
SHA256

36b2b20f41e12c9f1ca2ede8713d89d156076adb91d933b1cd93487d932c1fea
SHA512

348516e91c35f7352c8c760a9d8b0c0871a4a75ab3d17649ba966dc31f38b619273c6a4bc36b086dc98d18966fe07f0ba721a282de9c4600da6228ff1127213c
SSDEEP

768:LhRrbgIkmh8RkjKI7xYsBFf4JCdWWFoTqnLaV2bCHy+9P57G7Olld/M1eFjJIr:LhOrmvtQCd5g2bCHy+Li4kcIr

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4600	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4600 wrote to memory of 796	4600	AcroRd32.exe	92
PID 4600 wrote to memory of 796	4600	AcroRd32.exe	92
PID 4600 wrote to memory of 796	4600	AcroRd32.exe	92
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 3432	796	RdrCEF.exe	93
PID 796 wrote to memory of 1600	796	RdrCEF.exe	94
PID 796 wrote to memory of 1600	796	RdrCEF.exe	94
PID 796 wrote to memory of 1600	796	RdrCEF.exe	94
PID 796 wrote to memory of 1600	796	RdrCEF.exe	94
PID 796 wrote to memory of 1600	796	RdrCEF.exe	94
PID 796 wrote to memory of 1600	796	RdrCEF.exe	94
PID 796 wrote to memory of 1600	796	RdrCEF.exe	94
PID 796 wrote to memory of 1600	796	RdrCEF.exe	94
PID 796 wrote to memory of 1600	796	RdrCEF.exe	94
PID 796 wrote to memory of 1600	796	RdrCEF.exe	94
PID 796 wrote to memory of 1600	796	RdrCEF.exe	94
PID 796 wrote to memory of 1600	796	RdrCEF.exe	94
PID 796 wrote to memory of 1600	796	RdrCEF.exe	94
PID 796 wrote to memory of 1600	796	RdrCEF.exe	94
PID 796 wrote to memory of 1600	796	RdrCEF.exe	94
PID 796 wrote to memory of 1600	796	RdrCEF.exe	94
PID 796 wrote to memory of 1600	796	RdrCEF.exe	94
PID 796 wrote to memory of 1600	796	RdrCEF.exe	94
PID 796 wrote to memory of 1600	796	RdrCEF.exe	94
PID 796 wrote to memory of 1600	796	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\7f0bfac07c0e66571661c0bdb0303ef6.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:4600
- 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:796
- - 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=5984F75E508F5433C620597FFBE996ED --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3432
- - 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=A864C16C80D49DA8E518E20F0A0A6A6E --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=A864C16C80D49DA8E518E20F0A0A6A6E --renderer-client-id=2 --mojo-platform-channel-handle=1836 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1600
- - 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=B0A57A211F2731788A3EEC55DA15480A --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:8
- - 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=89162A503B9239588943B93E3B43CC2C --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=89162A503B9239588943B93E3B43CC2C --renderer-client-id=5 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3196
- - 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=1037DBF8CA2BDE82A49E20BC269E3DAE --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2312
- - 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=CEE83B808A5DCD2AEAE2E998F4A33BEB --mojo-platform-channel-handle=2800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4948

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1320

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
64KB

MD5
0987f12c161502951229dbb92ce68b22

SHA1
473221e12d511a577daa6f4a9f303fd64451939c

SHA256
a1b16be5e07dbc59c92b59903df42159985c747db27c59228ad3d5209d9e7e5e

SHA512
0e5a03f374ba17ce46a49700a203895803964558ab26290e96cc03a2a64564c6200abdce1cddb0d2dc2c31b9400df0f928d3f5f0bd6519cb7af53a520b6421fe

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