5d97f24f26a9c07db10f535da81ac625256a61fb96080aeecc9a36a8996cea92

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 05:49

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General

Target

98a19fb19255a3f618f81a33fc27b747.pdf
Size

83KB
MD5

98a19fb19255a3f618f81a33fc27b747
SHA1

5ea5c61929ea4ed8627abe23d1d3e8a2871eb4f0
SHA256

5d97f24f26a9c07db10f535da81ac625256a61fb96080aeecc9a36a8996cea92
SHA512

0a656a63fa8f3e29cba4cf00bfa964b3b19ac5335d80512042b4a0594763da178d12f8c40ad36ec62551efe006da00eceaa92e7c17a989eb764c35b96dba3fcb
SSDEEP

1536:04rAr+W10UKclX4tjEJEB1WDXUh27MRMeMA7I9mWmn9YpfgZsWapOtQwmyFJm:g+yPKccOEuDEhJlMda9Y5gZdtQwf+

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3328	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe
3328	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3328 wrote to memory of 2720	3328	AcroRd32.exe	84
PID 3328 wrote to memory of 2720	3328	AcroRd32.exe	84
PID 3328 wrote to memory of 2720	3328	AcroRd32.exe	84
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 2820	2720	RdrCEF.exe	85
PID 2720 wrote to memory of 3988	2720	RdrCEF.exe	86
PID 2720 wrote to memory of 3988	2720	RdrCEF.exe	86
PID 2720 wrote to memory of 3988	2720	RdrCEF.exe	86
PID 2720 wrote to memory of 3988	2720	RdrCEF.exe	86
PID 2720 wrote to memory of 3988	2720	RdrCEF.exe	86
PID 2720 wrote to memory of 3988	2720	RdrCEF.exe	86
PID 2720 wrote to memory of 3988	2720	RdrCEF.exe	86
PID 2720 wrote to memory of 3988	2720	RdrCEF.exe	86
PID 2720 wrote to memory of 3988	2720	RdrCEF.exe	86
PID 2720 wrote to memory of 3988	2720	RdrCEF.exe	86
PID 2720 wrote to memory of 3988	2720	RdrCEF.exe	86
PID 2720 wrote to memory of 3988	2720	RdrCEF.exe	86
PID 2720 wrote to memory of 3988	2720	RdrCEF.exe	86
PID 2720 wrote to memory of 3988	2720	RdrCEF.exe	86
PID 2720 wrote to memory of 3988	2720	RdrCEF.exe	86
PID 2720 wrote to memory of 3988	2720	RdrCEF.exe	86
PID 2720 wrote to memory of 3988	2720	RdrCEF.exe	86
PID 2720 wrote to memory of 3988	2720	RdrCEF.exe	86
PID 2720 wrote to memory of 3988	2720	RdrCEF.exe	86
PID 2720 wrote to memory of 3988	2720	RdrCEF.exe	86

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\98a19fb19255a3f618f81a33fc27b747.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:3328
- 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:2720
- - 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=7545040787EAA57B8F7BA48635E8A05C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2820
- - 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=B79EAE1368548236592600B10E1868E7 --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=B79EAE1368548236592600B10E1868E7 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3988
- - 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=4401EBDE69E2CBC164636F12A0CEB07D --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=4401EBDE69E2CBC164636F12A0CEB07D --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2172
- - 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=BEE858C56721E7880DA738F6CD2CC7A1 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1444
- - 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=33A946D5AD67D40663222F1F0480566D --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:868
- - 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=4BF13BA394E5D02F0338067D15F7AACE --mojo-platform-channel-handle=2472 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4220

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1260

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
6310d1aa3de26d1a439d6ca653abd50b

SHA1
059665959324ba78b9b0845a85df3c7be265eb41

SHA256
2f37f06b62ee00c40422fc5370185b5703c5b66408fd99e257ad39ce3e56bc9b

SHA512
ec29df0259c79d566e1d6dde58a48510cefe9078e6cd210c75a4e387914ad7c5ce9974ac602b22ebb0a6fc2981825b3d836514d4ad3b9e6dd79169c2b4c6dcaa

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