737a2467380fa46f57c511c382ebb9f1583b60f0695a6e5b3fbadd0a3e707101

Analysis

max time kernel
144s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 16:04

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8f93c3b19f36243c8b0bbe38eb888c87.pdf
Size

80KB
MD5

8f93c3b19f36243c8b0bbe38eb888c87
SHA1

dee6613b4aba0ddace3b889d8a4814b2ec55d777
SHA256

737a2467380fa46f57c511c382ebb9f1583b60f0695a6e5b3fbadd0a3e707101
SHA512

57bde0157a9e6d6a110f70cc97ec9f148465afbc8e351f599535fbe27c6b3bde53d61ab2cf9d12f987cf6f8c5a17f99bb2d2511783a87d3602d7f61fbcf04a52
SSDEEP

1536:L5Ma16HJwN7L9n7L9vlhojLAmBSGu5/ZGwBHWkNpOPN4NKiLW0R2WHUYUvNN3D:Ga0pwNP97JfojLbV4ZGwWPN4NKicL15

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3604	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe
3604	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3604 wrote to memory of 3544	3604	AcroRd32.exe	88
PID 3604 wrote to memory of 3544	3604	AcroRd32.exe	88
PID 3604 wrote to memory of 3544	3604	AcroRd32.exe	88
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 4108	3544	RdrCEF.exe	89
PID 3544 wrote to memory of 412	3544	RdrCEF.exe	90
PID 3544 wrote to memory of 412	3544	RdrCEF.exe	90
PID 3544 wrote to memory of 412	3544	RdrCEF.exe	90
PID 3544 wrote to memory of 412	3544	RdrCEF.exe	90
PID 3544 wrote to memory of 412	3544	RdrCEF.exe	90
PID 3544 wrote to memory of 412	3544	RdrCEF.exe	90
PID 3544 wrote to memory of 412	3544	RdrCEF.exe	90
PID 3544 wrote to memory of 412	3544	RdrCEF.exe	90
PID 3544 wrote to memory of 412	3544	RdrCEF.exe	90
PID 3544 wrote to memory of 412	3544	RdrCEF.exe	90
PID 3544 wrote to memory of 412	3544	RdrCEF.exe	90
PID 3544 wrote to memory of 412	3544	RdrCEF.exe	90
PID 3544 wrote to memory of 412	3544	RdrCEF.exe	90
PID 3544 wrote to memory of 412	3544	RdrCEF.exe	90
PID 3544 wrote to memory of 412	3544	RdrCEF.exe	90
PID 3544 wrote to memory of 412	3544	RdrCEF.exe	90
PID 3544 wrote to memory of 412	3544	RdrCEF.exe	90
PID 3544 wrote to memory of 412	3544	RdrCEF.exe	90
PID 3544 wrote to memory of 412	3544	RdrCEF.exe	90
PID 3544 wrote to memory of 412	3544	RdrCEF.exe	90

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\8f93c3b19f36243c8b0bbe38eb888c87.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:3604
- 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:3544
- - 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=A6B106C7E4FA6B6F8BC2DA66852DB368 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4108
- - 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=4BA6A82F0AEE7288DDE0609DD9A53489 --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=4BA6A82F0AEE7288DDE0609DD9A53489 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:412
- - 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=FD5D3B37D907229A2DF2D618947BC35F --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2324
- - 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=4855B540F0FC67993F1C2F344ADE0D7E --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=4855B540F0FC67993F1C2F344ADE0D7E --renderer-client-id=5 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2940
- - 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=2F2CCD802B2C794CE243C9CDA13D9ECC --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1748
- - 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=67D6451311D668A0161EB6ABB7BC05D0 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3440

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
37KB

MD5
257a87d7d61e82a2d5db7df1292b82c7

SHA1
cc48fb45a0fcffe459d6f62dcadd1a382bfc7d7c

SHA256
af51a9f5cb9b30487a4d48a536e9ea25509fc59fdb242c818445155ddc8d586f

SHA512
1ac2133014ca6c2a9fbaedf8f12a08895ca58d3be53ed31b2f5fd8513e0552cf76300e7fbb6562a93234eb012eef266a7070314b06f363a29b7ebfb3d9e28129

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/3604-28-0x000000000B7E0000-0x000000000B801000-memory.dmp

Filesize
132KB

Download