2b13a6647f8e1843dcfcc738c8e3f26dd1f63bd9e536e3c18b0f15620f16b644

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 16:50

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General

Target

a24696a2baf3681ab062bf8899c644d0.pdf
Size

89KB
MD5

a24696a2baf3681ab062bf8899c644d0
SHA1

eba5cef889d371a659e3f6267c91635d516a5436
SHA256

2b13a6647f8e1843dcfcc738c8e3f26dd1f63bd9e536e3c18b0f15620f16b644
SHA512

8031d88530204d5b9d6bcd332fd142e7e9c7eb051052b19de0f73c448409e394f9caccbae612d7e7f3c6931e4d81d3341ac6e2e2373953c0699af01b0b1b9858
SSDEEP

1536:KR3eGrAzU1YOLBvZ7yr7++YNzdcEE2bU2vpVWGpOKZwTcx5k8Woz8lcPFMFjzc0:9G0I3+r7bWzdc2bU2EKfklcPSFjX

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-1-5-21-1790404759-2178872477-2616469472-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3588	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3588 wrote to memory of 1860	3588	AcroRd32.exe	92
PID 3588 wrote to memory of 1860	3588	AcroRd32.exe	92
PID 3588 wrote to memory of 1860	3588	AcroRd32.exe	92
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 1744	1860	RdrCEF.exe	93
PID 1860 wrote to memory of 3968	1860	RdrCEF.exe	94
PID 1860 wrote to memory of 3968	1860	RdrCEF.exe	94
PID 1860 wrote to memory of 3968	1860	RdrCEF.exe	94
PID 1860 wrote to memory of 3968	1860	RdrCEF.exe	94
PID 1860 wrote to memory of 3968	1860	RdrCEF.exe	94
PID 1860 wrote to memory of 3968	1860	RdrCEF.exe	94
PID 1860 wrote to memory of 3968	1860	RdrCEF.exe	94
PID 1860 wrote to memory of 3968	1860	RdrCEF.exe	94
PID 1860 wrote to memory of 3968	1860	RdrCEF.exe	94
PID 1860 wrote to memory of 3968	1860	RdrCEF.exe	94
PID 1860 wrote to memory of 3968	1860	RdrCEF.exe	94
PID 1860 wrote to memory of 3968	1860	RdrCEF.exe	94
PID 1860 wrote to memory of 3968	1860	RdrCEF.exe	94
PID 1860 wrote to memory of 3968	1860	RdrCEF.exe	94
PID 1860 wrote to memory of 3968	1860	RdrCEF.exe	94
PID 1860 wrote to memory of 3968	1860	RdrCEF.exe	94
PID 1860 wrote to memory of 3968	1860	RdrCEF.exe	94
PID 1860 wrote to memory of 3968	1860	RdrCEF.exe	94
PID 1860 wrote to memory of 3968	1860	RdrCEF.exe	94
PID 1860 wrote to memory of 3968	1860	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\a24696a2baf3681ab062bf8899c644d0.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:3588
- 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:1860
- - 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=17323AFE4642FC7125559AEF820726D6 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1744
- - 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=30296CACCE4B56A8702A6E957174E305 --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=30296CACCE4B56A8702A6E957174E305 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3968
- - 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=8D69705AD96172A32C80269B53246F55 --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=8D69705AD96172A32C80269B53246F55 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:380
- - 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=93862849276122894A165771D915B92B --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1584
- - 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=EF7A3D77D2070D45B09399560FE630DB --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3108
- - 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=BFBD32087395D41BA7D7BD2B07F8A9A7 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1932

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4500

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
b2c668a4cccbd3fad48f09d4d62ae0c7

SHA1
f069b55c6aa387786797efc7a0998864b68b52fd

SHA256
a724c6b1619fef9227ee518f0b2c94360cff254065bed03a8a461cd974af5286

SHA512
893b74d7630de353d39c9428c2e95c05862b4924fe0179ccbd8aed2368524ad53dbad6006848bed12d732e52afee952237c677bde7d6d5aa745348f8b27772c3

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/3588-28-0x000000000AD30000-0x000000000AD51000-memory.dmp

Filesize
132KB

Download