af41c2e0fa4100200dfcf6cc359c24fb9fcfd3a3489f3b9a9034c117c43ff3c4

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
12/01/2024, 08:38

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

55fd52219459672703a50473bd7778af.pdf
Size

89KB
MD5

55fd52219459672703a50473bd7778af
SHA1

b18ac70b915675bd2cb1bb23df9269544cc5a670
SHA256

af41c2e0fa4100200dfcf6cc359c24fb9fcfd3a3489f3b9a9034c117c43ff3c4
SHA512

8e95d3016d42ac76ccb5fcc04b2c71a2cc5f000e5e45ea968b636b919b4421671b1c91c2556445d424cd2b9e7593840bcb519d8a4b84862d5ea6ed0660e3c89f
SSDEEP

1536:SZFKz3JTKPg9847VbbcDHpiInTSWra506cY8mzkGpg87JcHNbd04SVheD4sMS1gL:cFKAP484hbUpTnTle571zkGS3HP0tVhd

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3272	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe
3272	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3272 wrote to memory of 3420	3272	AcroRd32.exe	95
PID 3272 wrote to memory of 3420	3272	AcroRd32.exe	95
PID 3272 wrote to memory of 3420	3272	AcroRd32.exe	95
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 668	3420	RdrCEF.exe	96
PID 3420 wrote to memory of 3808	3420	RdrCEF.exe	97
PID 3420 wrote to memory of 3808	3420	RdrCEF.exe	97
PID 3420 wrote to memory of 3808	3420	RdrCEF.exe	97
PID 3420 wrote to memory of 3808	3420	RdrCEF.exe	97
PID 3420 wrote to memory of 3808	3420	RdrCEF.exe	97
PID 3420 wrote to memory of 3808	3420	RdrCEF.exe	97
PID 3420 wrote to memory of 3808	3420	RdrCEF.exe	97
PID 3420 wrote to memory of 3808	3420	RdrCEF.exe	97
PID 3420 wrote to memory of 3808	3420	RdrCEF.exe	97
PID 3420 wrote to memory of 3808	3420	RdrCEF.exe	97
PID 3420 wrote to memory of 3808	3420	RdrCEF.exe	97
PID 3420 wrote to memory of 3808	3420	RdrCEF.exe	97
PID 3420 wrote to memory of 3808	3420	RdrCEF.exe	97
PID 3420 wrote to memory of 3808	3420	RdrCEF.exe	97
PID 3420 wrote to memory of 3808	3420	RdrCEF.exe	97
PID 3420 wrote to memory of 3808	3420	RdrCEF.exe	97
PID 3420 wrote to memory of 3808	3420	RdrCEF.exe	97
PID 3420 wrote to memory of 3808	3420	RdrCEF.exe	97
PID 3420 wrote to memory of 3808	3420	RdrCEF.exe	97
PID 3420 wrote to memory of 3808	3420	RdrCEF.exe	97

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\55fd52219459672703a50473bd7778af.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:3272
- 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:3420
- - 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=1EA7B36054D2EC0EA7F02C1BD0A402BE --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:668
- - 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=48EDAAB24106744DCAD170CC3C0104A2 --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=48EDAAB24106744DCAD170CC3C0104A2 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3808
- - 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=DC8554B2D05C5825235C741EE86081D3 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2332
- - 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=AFBDD4C869A97AA63DF2C7D3D9D89557 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2796
- - 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=99F8DB418C76D10E5FF7B486FF107B19 --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=99F8DB418C76D10E5FF7B486FF107B19 --renderer-client-id=6 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1056
- - 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=1452066AB37EAE6D502B9DDB119DA373 --mojo-platform-channel-handle=2360 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4460

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1028

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
dfae48ceefe4ff56cb1cb87dbd2c0b2f

SHA1
8b1277835b12dcf4f2bc260ced4715f500d40ca8

SHA256
98bebd59de081f1b2d38295dd7344ea762bd74495729694210ad8b852f10b8f5

SHA512
7f0ee24d6e0c23703953161908e188201afdef513d0a9df66d3d756ede596a6e507c67a7517894ae3c336dbade10251699b1982d97f588423cc47ef66dd71984

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