b5841f04875f11aed9080e6100456270c5ea490e65a61c8f3ad46ec1b85663f2

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2024, 15:52

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General

Target

a42d65ba55386436c99d71ea99dcc797.pdf
Size

80KB
MD5

a42d65ba55386436c99d71ea99dcc797
SHA1

47f292e2aff6476fd3e35a0cd4cba38a1775e80e
SHA256

b5841f04875f11aed9080e6100456270c5ea490e65a61c8f3ad46ec1b85663f2
SHA512

9eea456f973692b097a6145ef1395ac378dfd1a77f9ad9c76cbe0b718d489fbc2fbd0317b874b1d440cbfdf4175a1920091f3e869142f9cc683a11f48c99a16c
SSDEEP

1536:5uAYFymlnG8/crF5pJXVIWZYlplBhn/M/Bu9rVatIPVsbbR94iwW4wWT1p:5wyHpJXVIWklBh/M/BarVa+PsN98W4RT

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-1-5-21-3316742141-2240921845-2885234760-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3652	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe
3652	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3652 wrote to memory of 4312	3652	AcroRd32.exe	92
PID 3652 wrote to memory of 4312	3652	AcroRd32.exe	92
PID 3652 wrote to memory of 4312	3652	AcroRd32.exe	92
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 4628	4312	RdrCEF.exe	93
PID 4312 wrote to memory of 2428	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2428	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2428	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2428	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2428	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2428	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2428	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2428	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2428	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2428	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2428	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2428	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2428	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2428	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2428	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2428	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2428	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2428	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2428	4312	RdrCEF.exe	94
PID 4312 wrote to memory of 2428	4312	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\a42d65ba55386436c99d71ea99dcc797.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:3652
- 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=BBFBFE51501BD40B7E3CBD202BE133E0 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4628
- - 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=D4E60EAB4F7EE79D46EB246746FC7459 --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=D4E60EAB4F7EE79D46EB246746FC7459 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2428
- - 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=4B2DD69C23F811C0D568DD2B83CF1902 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4996
- - 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=A6E2B9D0A9B6A821880FFDE7F0211B2F --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1916
- - 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=2B26F4781F7FBF48A3E3533CEF4CDCC3 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4772
- - 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=F83E91C3D32A3594579B6CA9497B66A3 --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=F83E91C3D32A3594579B6CA9497B66A3 --renderer-client-id=7 --mojo-platform-channel-handle=2192 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1196

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3152

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
7b3b59e60dff9b33ce0fc0ecd331311c

SHA1
e149ef6360ed1d3e25d43e5a71e768b09412aef5

SHA256
8c688b08840ab76cd3c78d3ee383f5189aa540fdb2ac330ee136620c83b5f08c

SHA512
e9dabd2ebd5b83068629fe2fd34da86de109a7cea2bcdc2c10a25b8c24c0b9b69bebf03f04f54ad3bb2bbfb3340b820dbeb2c8be4f5fe7ad5ad2cc8f6253fc88

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/3652-27-0x000000000B3C0000-0x000000000B3E1000-memory.dmp

Filesize
132KB

Download