4e6f2fab7412ddde4fe202cc172bf13390a08fa3f3a9c687e5d5886ff945c4cf

Analysis

max time kernel
151s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2023 19:35

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General

Target

0ded80b3ba3829cfcbcffd6ab5bac44c.pdf
Size

155KB
MD5

0ded80b3ba3829cfcbcffd6ab5bac44c
SHA1

beab51ce2dfdb11ce29a3956cce7eda716608bbb
SHA256

4e6f2fab7412ddde4fe202cc172bf13390a08fa3f3a9c687e5d5886ff945c4cf
SHA512

b384b20cb290cdb4aa4091a90a795d515c7efe578713ec1d85d3128adf59cd7075cbea6b6e5e69724e0aa97acd4fd9ef29f2f4ff3ab9e6f81ed33f6d91c37257
SSDEEP

3072:6tQCrkEFWsokYmaCSrsox8ifT9uZWsdldL6GqNNVmZ0n2HPU:6tQCwETlYmaCIqZpvmKc

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
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
460	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 460 wrote to memory of 4312	460	AcroRd32.exe	95
PID 460 wrote to memory of 4312	460	AcroRd32.exe	95
PID 460 wrote to memory of 4312	460	AcroRd32.exe	95
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 3280	4312	RdrCEF.exe	98
PID 4312 wrote to memory of 2424	4312	RdrCEF.exe	99
PID 4312 wrote to memory of 2424	4312	RdrCEF.exe	99
PID 4312 wrote to memory of 2424	4312	RdrCEF.exe	99
PID 4312 wrote to memory of 2424	4312	RdrCEF.exe	99
PID 4312 wrote to memory of 2424	4312	RdrCEF.exe	99
PID 4312 wrote to memory of 2424	4312	RdrCEF.exe	99
PID 4312 wrote to memory of 2424	4312	RdrCEF.exe	99
PID 4312 wrote to memory of 2424	4312	RdrCEF.exe	99
PID 4312 wrote to memory of 2424	4312	RdrCEF.exe	99
PID 4312 wrote to memory of 2424	4312	RdrCEF.exe	99
PID 4312 wrote to memory of 2424	4312	RdrCEF.exe	99
PID 4312 wrote to memory of 2424	4312	RdrCEF.exe	99
PID 4312 wrote to memory of 2424	4312	RdrCEF.exe	99
PID 4312 wrote to memory of 2424	4312	RdrCEF.exe	99
PID 4312 wrote to memory of 2424	4312	RdrCEF.exe	99
PID 4312 wrote to memory of 2424	4312	RdrCEF.exe	99
PID 4312 wrote to memory of 2424	4312	RdrCEF.exe	99
PID 4312 wrote to memory of 2424	4312	RdrCEF.exe	99
PID 4312 wrote to memory of 2424	4312	RdrCEF.exe	99
PID 4312 wrote to memory of 2424	4312	RdrCEF.exe	99

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\0ded80b3ba3829cfcbcffd6ab5bac44c.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:460
- 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:4312
- - 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=741A61C3C0770891CFA16865A55CCDB3 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3280
- - 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=4950467659CB8BB9BD17E596B119D0B5 --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=4950467659CB8BB9BD17E596B119D0B5 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2424
- - 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=4D869F14193504D2AEFC0D985A1EE438 --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=4D869F14193504D2AEFC0D985A1EE438 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4408
- - 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=6C1D0E596F06D0B950C609832EE8D74E --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2052
- - 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=A91072E77DD60D730499C3F9D6F4D595 --mojo-platform-channel-handle=1800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4796
- - 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=9CBD8A6778EA71321962A8C8A7CE29FB --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3656

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4672

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
1f7d4735946e3104e008d1631db3b645

SHA1
550c4aca654940cbe97523501e7493f37771333a

SHA256
ccd0791eadc2208589b2e63fac92324ff0c25f1d25c89433564db0b733b9ef9f

SHA512
1bc012554767352bee33d0dfeb3a3ee33dd2fa826ffdbed3326f95b97e5e1f6051b4e389e3a5fb76000ef2d0dc73582a8fb27cfd348aab087ec37b639c785240

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
C:\Users\Admin\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents

Filesize
12KB

MD5
521ab703384f7c8532a3f4a9b6faef0c

SHA1
4f0e217bb2adb508cfba5059f31641c203ed8f31

SHA256
fd4c203b2c2acfe1777c77a145ade2453843b86799abfa2a607e0040a71e9593

SHA512
4933ad870870eb795783374127aacba376cb366d883cb0cf7d7b6c3a35dde53c90b73214debd0f051d16a79b24c20b0a72650b2e5418199a299a1f4bb2045e4a

Download Submit