332a180787e2ba8663c6d167f9bf2ee2deb34b86f8bdf562710086ab6d9c693c

Analysis

max time kernel
141s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 10:59

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General

Target

772d927ebc5d14b365cf4a4e204d8e00.pdf
Size

83KB
MD5

772d927ebc5d14b365cf4a4e204d8e00
SHA1

3e0a30015ab0ce2731cb6c1074483a7f9f1b1333
SHA256

332a180787e2ba8663c6d167f9bf2ee2deb34b86f8bdf562710086ab6d9c693c
SHA512

4ff5a9643637d91e8e22ff474db646ad52baf2bfde635dbe5327ac7cac0c25fd0e0ddf400eff8033813186e91c41996e02e79d7a6ab10c2ed28fa410159b2d39
SSDEEP

1536:ezvOcTj0eq5BKaKffVCVkvyzYph47uFK50Gr6Cr2NGlWyn1oE+NWz:mx6SLfVC6vlhSug0rEP7n6E+Q

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4288	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe
4288	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4288 wrote to memory of 3292	4288	AcroRd32.exe	91
PID 4288 wrote to memory of 3292	4288	AcroRd32.exe	91
PID 4288 wrote to memory of 3292	4288	AcroRd32.exe	91
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 724	3292	RdrCEF.exe	92
PID 3292 wrote to memory of 2252	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 2252	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 2252	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 2252	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 2252	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 2252	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 2252	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 2252	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 2252	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 2252	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 2252	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 2252	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 2252	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 2252	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 2252	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 2252	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 2252	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 2252	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 2252	3292	RdrCEF.exe	93
PID 3292 wrote to memory of 2252	3292	RdrCEF.exe	93

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\772d927ebc5d14b365cf4a4e204d8e00.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:4288
- 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:3292
- - 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=CAF0D72A786F06C93B52CDBD66EBAB71 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:724
- - 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=CC9125135A29046602BB7B1FE931BAE5 --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=CC9125135A29046602BB7B1FE931BAE5 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2252
- - 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=32D2B9A28DF1FA154C15B52353CBE701 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4660
- - 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=396DBB98FB143C9B40AE799F9FBC1144 --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=396DBB98FB143C9B40AE799F9FBC1144 --renderer-client-id=5 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1432
- - 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=A1B9E7B4A401D61EA496AA8F016C8263 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2616
- - 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=62A07835222C653E8514CAC4CDB650C4 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1920

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
17c822b850493435cacebe42255b572c

SHA1
1297f685e1be8c931b8e1f571fc8d5e49b62eb64

SHA256
11a6f438f6214dae929ed93519a4405d2a4e6ac5355061bf925e6004f8c3c0f3

SHA512
1fb31204cbf4b745505574171ac691cf73f35b03f8221b9d3e727cc43de077ba9c0885080163fde50faacd68259db5979f0c1fc2e1cea427a4538341b540b0f7

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/4288-28-0x000000000B440000-0x000000000B461000-memory.dmp

Filesize
132KB

Download