b79237e7b66760aa7694d8b6ed43bdedd23281503d5b7d955ddc35e093c2afbb

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2024, 02:10

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General

Target

b79237e7b66760aa7694d8b6ed43bdedd23281503d5b7d955ddc35e093c2afbb.pdf
Size

459KB
MD5

a1fb1411aac63d95842229b1871cd342
SHA1

f89a19cd03389ed325b766144d5bc89d8660b88f
SHA256

b79237e7b66760aa7694d8b6ed43bdedd23281503d5b7d955ddc35e093c2afbb
SHA512

2a5e4a81e5ab715b17c0e44aaece7f0f8db7911895ed7f49d3544f035f30e72bfc926367ea9b113d32ccc63de074f0dbb3777d8a1778fbb4b9f5db6a0d42af3c
SSDEEP

12288:WrQB4CzkcaVJvQdrAq9I/w4VuxGudU8qRx4iZhng5HnYlUvi:WMB4IoU9Aq8w4VgGh74ig54S6

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2196	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe
2196	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 4076	2196	AcroRd32.exe	88
PID 2196 wrote to memory of 4076	2196	AcroRd32.exe	88
PID 2196 wrote to memory of 4076	2196	AcroRd32.exe	88
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 4036	4076	RdrCEF.exe	89
PID 4076 wrote to memory of 1580	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 1580	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 1580	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 1580	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 1580	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 1580	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 1580	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 1580	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 1580	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 1580	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 1580	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 1580	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 1580	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 1580	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 1580	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 1580	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 1580	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 1580	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 1580	4076	RdrCEF.exe	90
PID 4076 wrote to memory of 1580	4076	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\b79237e7b66760aa7694d8b6ed43bdedd23281503d5b7d955ddc35e093c2afbb.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:2196
- 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=6A251C39EF2CAD851FBBAB8D514533D7 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4036
- - 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=8A8C8723780E5713862447840872C42B --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=8A8C8723780E5713862447840872C42B --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1580
- - 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=5F85E4BBCDBC7003EA2EF7EF00722AF8 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2320
- - 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=EF1053A089923C83A4E9A7FD7BA3096D --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=EF1053A089923C83A4E9A7FD7BA3096D --renderer-client-id=5 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3800
- - 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=CAF5BF644DA1096666F27C3E1670BE9A --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1464
- - 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=8D7A4B9D489AA85E00086B7FEA2DB27F --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3368

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2656

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
dc3d1be7355c3c5b0d58f602b52ab553

SHA1
88957fce9d46c4525644119cc33e0057634756be

SHA256
40478e29a6bfa4c97ab587bdd1534b687efacd19cf4e5ff3c67c8b2671302cfc

SHA512
0a1d359922e18882a2854d7dfad2f530180454a36a27f289f0be203ea6ffb328d096c0dcdde8e619c3252294cdc1a7f8f990d137d497fbc51bdde86698fd9ff3

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/2196-28-0x000000000D1F0000-0x000000000D211000-memory.dmp

Filesize
132KB

Download