f3e90e9b401dc22af82da4b0d62a4e92ba9bfad4a71fba967937c85132afaee4

Analysis

max time kernel
142s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 05:01

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General

Target

0f65b3bb279d9d945919750f6451a282.pdf
Size

44KB
MD5

0f65b3bb279d9d945919750f6451a282
SHA1

7127f800e02135e92f9dcdcbc217018e2b92b9a6
SHA256

f3e90e9b401dc22af82da4b0d62a4e92ba9bfad4a71fba967937c85132afaee4
SHA512

76102479f7c3d2aa5333104dc7e67377539523848f097150acd3b5ebe5b7b934c0d120f95d7edd6e43871d6fd069a01698afc317113cf0ef12bd3a5e4ec3281e
SSDEEP

768:PV/IrDhwxmmyGyBzqX3jlnCPUvQhHzFar7fkeSVbhhbDpUCGge:iwvyJ4XxCUQNpMf4dtpUCle

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4920	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe
4920	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 4076	4920	AcroRd32.exe	92
PID 4920 wrote to memory of 4076	4920	AcroRd32.exe	92
PID 4920 wrote to memory of 4076	4920	AcroRd32.exe	92
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 452	4076	RdrCEF.exe	93
PID 4076 wrote to memory of 5024	4076	RdrCEF.exe	94
PID 4076 wrote to memory of 5024	4076	RdrCEF.exe	94
PID 4076 wrote to memory of 5024	4076	RdrCEF.exe	94
PID 4076 wrote to memory of 5024	4076	RdrCEF.exe	94
PID 4076 wrote to memory of 5024	4076	RdrCEF.exe	94
PID 4076 wrote to memory of 5024	4076	RdrCEF.exe	94
PID 4076 wrote to memory of 5024	4076	RdrCEF.exe	94
PID 4076 wrote to memory of 5024	4076	RdrCEF.exe	94
PID 4076 wrote to memory of 5024	4076	RdrCEF.exe	94
PID 4076 wrote to memory of 5024	4076	RdrCEF.exe	94
PID 4076 wrote to memory of 5024	4076	RdrCEF.exe	94
PID 4076 wrote to memory of 5024	4076	RdrCEF.exe	94
PID 4076 wrote to memory of 5024	4076	RdrCEF.exe	94
PID 4076 wrote to memory of 5024	4076	RdrCEF.exe	94
PID 4076 wrote to memory of 5024	4076	RdrCEF.exe	94
PID 4076 wrote to memory of 5024	4076	RdrCEF.exe	94
PID 4076 wrote to memory of 5024	4076	RdrCEF.exe	94
PID 4076 wrote to memory of 5024	4076	RdrCEF.exe	94
PID 4076 wrote to memory of 5024	4076	RdrCEF.exe	94
PID 4076 wrote to memory of 5024	4076	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\0f65b3bb279d9d945919750f6451a282.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:4920
- 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:4076
- - 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=6069DA2B55BEEADAD41207D41A0378EF --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:452
- - 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=5B343D302D4E6626CBBCEFEE051A4A42 --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=5B343D302D4E6626CBBCEFEE051A4A42 --renderer-client-id=2 --mojo-platform-channel-handle=1836 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5024
- - 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=56D3F02520A028A8576151B5ED82D5CD --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:984
- - 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=872FA86749C6D15CF15A1AC83D687E67 --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=872FA86749C6D15CF15A1AC83D687E67 --renderer-client-id=5 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5064
- - 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=CC238C29E7AED25D49ADE0219FE5E18D --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1960
- - 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=5B0BC4DD211FA84E2FC1C5F8B4AE4567 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1952

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
d2df299f851a9952aef7100b89b826f9

SHA1
2c54d6efcc36c0cc14a712c8524544b5b52bd2b4

SHA256
8c0ef61f179494a3fda371982161938a3e065e9d777cb33d37833b06b5ca1c23

SHA512
f270bd14121bd4117fd95f163113c8c77f09d10c12ed12744fc6c18c554bc84bfbc1751b69636e06d3c9962c85d069bf8e6f564e251ab82fed8302e19ac73e1e

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