ace859b05836d6ee856552819223fd23b0384b2bfe3ce7aea344cd728c46e18f

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 13:16

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General

Target

b77dd7dbff58ed8795121ee68da8e30b.pdf
Size

128KB
MD5

b77dd7dbff58ed8795121ee68da8e30b
SHA1

cf5b1ac4b8a3fd3a41a24f296d64d3a13a0a6ee6
SHA256

ace859b05836d6ee856552819223fd23b0384b2bfe3ce7aea344cd728c46e18f
SHA512

c32719678905decd214ad55d17bf1a6f9048c37571cc537ee1598740ad0ba217accbdd77f002dbe8cdebbd4e039fa1c4172f25db51b923ae6bede60c5bb5bb8c
SSDEEP

3072:dIN2Hh0ovYtPDPFG9RU3SV08R2t2AZ4JZT4wJYvpTWSfV5N1PoxG8:qN2HSovYtPDFG9i3SV08RQ2bZTPJYvF+

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1772	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1772 wrote to memory of 1632	1772	AcroRd32.exe	90
PID 1772 wrote to memory of 1632	1772	AcroRd32.exe	90
PID 1772 wrote to memory of 1632	1772	AcroRd32.exe	90
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 2284	1632	RdrCEF.exe	93
PID 1632 wrote to memory of 5040	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 5040	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 5040	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 5040	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 5040	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 5040	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 5040	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 5040	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 5040	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 5040	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 5040	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 5040	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 5040	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 5040	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 5040	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 5040	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 5040	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 5040	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 5040	1632	RdrCEF.exe	94
PID 1632 wrote to memory of 5040	1632	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\b77dd7dbff58ed8795121ee68da8e30b.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:1772
- 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:1632
- - 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=6E1D546849C044BE93F6ADBEAADD14A4 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2284
- - 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=E9E9B430B38BA8796C944864B30CAB8B --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=E9E9B430B38BA8796C944864B30CAB8B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5040
- - 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=E5224750E0D917BD22EC64DBE7A001CE --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1164
- - 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=7CE29F904E67D3FB27A24B793979174E --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=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=89A69175E0DFCCE4391B5001F2487866 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3400
- - 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=14EE9FC27CDF2406C7951B2A03508A89 --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=14EE9FC27CDF2406C7951B2A03508A89 --renderer-client-id=7 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1528

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3304

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
cd3a8346fd159e91dfdd2462e5747fd1

SHA1
b5e200a3495300bb0e736705eb2b0d6c3bbc8754

SHA256
d12cfe6dd242524e1e8368184d75949e02478544f6b5caa78b0638b17463966a

SHA512
15a639ba872491c5778dd762bc1e5e20947c363f260ff540372f84ed9570753322be41497629b9e5b7a092412325be19593148209103a66441aacbb0adc3de6e

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