9dc505498236e5d5741f230e2a220f108535a1b216a011b450c63d6aa64008f2

Analysis

max time kernel
166s
max time network
184s
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, 05:13

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General

Target

298f15689b515b1ae9c4db507a065bf5.pdf
Size

34KB
MD5

298f15689b515b1ae9c4db507a065bf5
SHA1

2f130c27d5b6d7793511a4878cca97d00f7a5cf4
SHA256

9dc505498236e5d5741f230e2a220f108535a1b216a011b450c63d6aa64008f2
SHA512

a16834b54db2208774d6a7aba98656c170d9008933ad713ae97b3b137157d8cd07c65fe59565624ac2aca1870ec077bb78292b704cb2dc72c87cee1eac2ff10e
SSDEEP

768:rqpO95ZvaRl64/+WaRXMwViW9FwpwZG0p:rek5N42W4XMwViQFlG0p

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1096	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe
1096	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 2816	1096	AcroRd32.exe	98
PID 1096 wrote to memory of 2816	1096	AcroRd32.exe	98
PID 1096 wrote to memory of 2816	1096	AcroRd32.exe	98
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 2268	2816	RdrCEF.exe	99
PID 2816 wrote to memory of 4868	2816	RdrCEF.exe	100
PID 2816 wrote to memory of 4868	2816	RdrCEF.exe	100
PID 2816 wrote to memory of 4868	2816	RdrCEF.exe	100
PID 2816 wrote to memory of 4868	2816	RdrCEF.exe	100
PID 2816 wrote to memory of 4868	2816	RdrCEF.exe	100
PID 2816 wrote to memory of 4868	2816	RdrCEF.exe	100
PID 2816 wrote to memory of 4868	2816	RdrCEF.exe	100
PID 2816 wrote to memory of 4868	2816	RdrCEF.exe	100
PID 2816 wrote to memory of 4868	2816	RdrCEF.exe	100
PID 2816 wrote to memory of 4868	2816	RdrCEF.exe	100
PID 2816 wrote to memory of 4868	2816	RdrCEF.exe	100
PID 2816 wrote to memory of 4868	2816	RdrCEF.exe	100
PID 2816 wrote to memory of 4868	2816	RdrCEF.exe	100
PID 2816 wrote to memory of 4868	2816	RdrCEF.exe	100
PID 2816 wrote to memory of 4868	2816	RdrCEF.exe	100
PID 2816 wrote to memory of 4868	2816	RdrCEF.exe	100
PID 2816 wrote to memory of 4868	2816	RdrCEF.exe	100
PID 2816 wrote to memory of 4868	2816	RdrCEF.exe	100
PID 2816 wrote to memory of 4868	2816	RdrCEF.exe	100
PID 2816 wrote to memory of 4868	2816	RdrCEF.exe	100

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\298f15689b515b1ae9c4db507a065bf5.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:1096
- 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:2816
- - 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=3BE468AA19D582D162E7D29F02025034 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2268
- - 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=6AC2E613F29B5A3B1C787E3AC9520F8B --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=6AC2E613F29B5A3B1C787E3AC9520F8B --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4868
- - 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=4FCE09B6CDC132C062940DC326EB6A1D --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=4FCE09B6CDC132C062940DC326EB6A1D --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2144
- - 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=CECEBB3F7B454BB474275E59CD085329 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4388
- - 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=3C6087FE892F385F9DDCB264A35194BF --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3336
- - 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=7C2D6B4BDA1204BAB10C809D06B23C09 --mojo-platform-channel-handle=1896 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2964

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2864

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
c474709ed0a23b8b05bff7f6131d908f

SHA1
2ba93cbc85fe2e9bd79c2322c706785f36b5e450

SHA256
b3790bd4924d75cf05e657e802e3b168e4fb59a68f212e59c0749f6076dac957

SHA512
57626ae737c753ff7e3b940930d0f1c8033499521dadb0e59000c95c292b167b122e998a9efe7ec27cbaa0e2ee2433adbac5f5b3483d0f9ee07ecdbd06f35fbc

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