83fe51dc6b0beef305643f880e61788ea316aca80e77f0937b81ab9efa61d7a1

Analysis

max time kernel
146s
max time network
154s
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, 03:50

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General

Target

26f88d9a5cabe25848884b6e776d24be.pdf
Size

75KB
MD5

26f88d9a5cabe25848884b6e776d24be
SHA1

aef31a0b202375b413ef323c1d529aa8a3ddc2d4
SHA256

83fe51dc6b0beef305643f880e61788ea316aca80e77f0937b81ab9efa61d7a1
SHA512

2d18c43a21e5da1fe3c141cb03dcea290d4305da451604bbb57fcfce19c883e6b0b4df556e312bd68d0db3be9b97ea0a3b923794bc281c5b671f09f9181b87c8
SSDEEP

1536:4qDO5HpWhHXO/4PdZGxmZtXJGe0xbYPrsKI7x6vKjkV8HZBWl:fwwhXPdZ6mZZJGzYPrsKckAZG

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
8	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe
8	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 8 wrote to memory of 3412	8	AcroRd32.exe	93
PID 8 wrote to memory of 3412	8	AcroRd32.exe	93
PID 8 wrote to memory of 3412	8	AcroRd32.exe	93
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 1844	3412	RdrCEF.exe	95
PID 3412 wrote to memory of 3528	3412	RdrCEF.exe	94
PID 3412 wrote to memory of 3528	3412	RdrCEF.exe	94
PID 3412 wrote to memory of 3528	3412	RdrCEF.exe	94
PID 3412 wrote to memory of 3528	3412	RdrCEF.exe	94
PID 3412 wrote to memory of 3528	3412	RdrCEF.exe	94
PID 3412 wrote to memory of 3528	3412	RdrCEF.exe	94
PID 3412 wrote to memory of 3528	3412	RdrCEF.exe	94
PID 3412 wrote to memory of 3528	3412	RdrCEF.exe	94
PID 3412 wrote to memory of 3528	3412	RdrCEF.exe	94
PID 3412 wrote to memory of 3528	3412	RdrCEF.exe	94
PID 3412 wrote to memory of 3528	3412	RdrCEF.exe	94
PID 3412 wrote to memory of 3528	3412	RdrCEF.exe	94
PID 3412 wrote to memory of 3528	3412	RdrCEF.exe	94
PID 3412 wrote to memory of 3528	3412	RdrCEF.exe	94
PID 3412 wrote to memory of 3528	3412	RdrCEF.exe	94
PID 3412 wrote to memory of 3528	3412	RdrCEF.exe	94
PID 3412 wrote to memory of 3528	3412	RdrCEF.exe	94
PID 3412 wrote to memory of 3528	3412	RdrCEF.exe	94
PID 3412 wrote to memory of 3528	3412	RdrCEF.exe	94
PID 3412 wrote to memory of 3528	3412	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\26f88d9a5cabe25848884b6e776d24be.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3412
- - 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=06E7F39D46E56C479D2C0BA145C5B854 --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=06E7F39D46E56C479D2C0BA145C5B854 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3528
- - 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=959FACD42621B07A634719E8946D99E8 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1844
- - 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=2D6F1F3B55D7D24CA59655999D78249B --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1736
- - 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=BD803EFF53697D75090423D4EEFFFCDB --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4500
- - 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=4256621776A78E5B1E6DFB5EFC87AE54 --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=4256621776A78E5B1E6DFB5EFC87AE54 --renderer-client-id=6 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job /prefetch:1
    3⤵
    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=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=E36D301858A160861AE9CB31DAE0D9FA --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1500

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2280

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
28454f07ac557d20f1b30ea1461d5ae4

SHA1
bbb94f43d563920b542d1ceadc12372b286569cb

SHA256
654a9c5bf37bd8e50a4f341688c98d35b74e0a9e446c72c3021ac5477f97a0b0

SHA512
ca69ef4c6399bf4d07b3129054e0342f0021b54710b60f9a2488c1c2f4c2f3a4e2bc8caffe4d5947b0e77aaf2479bf77eb41f7a1ed6b7e15171a70355e3c1e05

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
memory/8-28-0x000000000A330000-0x000000000A351000-memory.dmp

Filesize
132KB

Download