a6b716184594ae56fcd5b553253ef53d8ddfa045271ca8e924d9c01b32d90cce

Analysis

max time kernel
142s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2024, 05:44

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General

Target

52b1335ea94de1918b14fadd2a854ff7.pdf
Size

69KB
MD5

52b1335ea94de1918b14fadd2a854ff7
SHA1

dba9731fbd907dcaf9249cf31cd9d800c4848f5c
SHA256

a6b716184594ae56fcd5b553253ef53d8ddfa045271ca8e924d9c01b32d90cce
SHA512

e84ace37e80ea99fd7a17fec1b7ede51064e5b44aec934d4fb9e8b42fa43da3309dd6fd326fc7c773f6846aa66a31fbf90c015dca12571528fcb64dfbcdce743
SSDEEP

1536:1LCXl7ENLnen7W/qdXgrYE7Zofx96aP3lK1GrEne37XdqM:u9zi/qda58b3lK0rEe37XD

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2764	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe
2764	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 560	2764	AcroRd32.exe	91
PID 2764 wrote to memory of 560	2764	AcroRd32.exe	91
PID 2764 wrote to memory of 560	2764	AcroRd32.exe	91
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 4556	560	RdrCEF.exe	94
PID 560 wrote to memory of 636	560	RdrCEF.exe	95
PID 560 wrote to memory of 636	560	RdrCEF.exe	95
PID 560 wrote to memory of 636	560	RdrCEF.exe	95
PID 560 wrote to memory of 636	560	RdrCEF.exe	95
PID 560 wrote to memory of 636	560	RdrCEF.exe	95
PID 560 wrote to memory of 636	560	RdrCEF.exe	95
PID 560 wrote to memory of 636	560	RdrCEF.exe	95
PID 560 wrote to memory of 636	560	RdrCEF.exe	95
PID 560 wrote to memory of 636	560	RdrCEF.exe	95
PID 560 wrote to memory of 636	560	RdrCEF.exe	95
PID 560 wrote to memory of 636	560	RdrCEF.exe	95
PID 560 wrote to memory of 636	560	RdrCEF.exe	95
PID 560 wrote to memory of 636	560	RdrCEF.exe	95
PID 560 wrote to memory of 636	560	RdrCEF.exe	95
PID 560 wrote to memory of 636	560	RdrCEF.exe	95
PID 560 wrote to memory of 636	560	RdrCEF.exe	95
PID 560 wrote to memory of 636	560	RdrCEF.exe	95
PID 560 wrote to memory of 636	560	RdrCEF.exe	95
PID 560 wrote to memory of 636	560	RdrCEF.exe	95
PID 560 wrote to memory of 636	560	RdrCEF.exe	95

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\52b1335ea94de1918b14fadd2a854ff7.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:2764
- 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:560
- - 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=D361E249E6E3030EB6D568931D539B74 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4556
- - 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=ABF49E324B35E957C6FCA1DE01BE0999 --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=ABF49E324B35E957C6FCA1DE01BE0999 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:636
- - 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=F6A7C73CD8EEC6F548639E0311A27AAF --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=F6A7C73CD8EEC6F548639E0311A27AAF --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2752
- - 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=7B19D866AB815552885C55143E039768 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4092
- - 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=FC5016C49F9B0E2F4ADC285A06E7DB33 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3248
- - 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=5DD6A6382009BE66893DE782EC5F649E --mojo-platform-channel-handle=2520 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4256

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
b4a61b1270e55bd1094e5d64f72cd768

SHA1
315e9b3126bf8e1129d371befb6dd95f8a2000b9

SHA256
fa849a06003c67de1133d52aa2e843daac7110d5a6c2bfaa61a0acb9c3ce569a

SHA512
f744150ce6c5c58596eaa5daab55b1fb5fc2ad56a1acf5e749189789a0bf40af60d9fc7015a13f609328b85dc65212ff0a136b02d830625b126c436ae67fad1a

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