230f07f37de0120730f9a920cce6aaeab6d25c7c00f4260e85d3d8755cd75023

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 23:05

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General

Target

230f07f37de0120730f9a920cce6aaeab6d25c7c00f4260e85d3d8755cd75023.pdf
Size

30KB
MD5

3ad4bb357d79423f0cec060ab3d0957f
SHA1

a51fbc0486d63babd981a53c017ceefcf362c27d
SHA256

230f07f37de0120730f9a920cce6aaeab6d25c7c00f4260e85d3d8755cd75023
SHA512

73bc124024d669e6b147ca6dc38d52d094be0cc8888631d07ebecc59063d801811e60aafaf7ade8a49df9540bccafcd9b909981d777cd1f18e3d5f6fbda922d7
SSDEEP

768:Vl8TFHd+jgVjlohiC21YMjbKv3BopxzaVOhB8:mFH+eRohi7ljbO3Wq

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-1-5-21-3844919115-497234255-166257750-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5112	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe
5112	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 4580	5112	AcroRd32.exe	86
PID 5112 wrote to memory of 4580	5112	AcroRd32.exe	86
PID 5112 wrote to memory of 4580	5112	AcroRd32.exe	86
PID 5112 wrote to memory of 4540	5112	AcroRd32.exe	87
PID 5112 wrote to memory of 4540	5112	AcroRd32.exe	87
PID 5112 wrote to memory of 4540	5112	AcroRd32.exe	87
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 3532	4580	RdrCEF.exe	88
PID 4580 wrote to memory of 2576	4580	RdrCEF.exe	89
PID 4580 wrote to memory of 2576	4580	RdrCEF.exe	89
PID 4580 wrote to memory of 2576	4580	RdrCEF.exe	89
PID 4580 wrote to memory of 2576	4580	RdrCEF.exe	89
PID 4580 wrote to memory of 2576	4580	RdrCEF.exe	89
PID 4580 wrote to memory of 2576	4580	RdrCEF.exe	89
PID 4580 wrote to memory of 2576	4580	RdrCEF.exe	89
PID 4580 wrote to memory of 2576	4580	RdrCEF.exe	89
PID 4580 wrote to memory of 2576	4580	RdrCEF.exe	89
PID 4580 wrote to memory of 2576	4580	RdrCEF.exe	89
PID 4580 wrote to memory of 2576	4580	RdrCEF.exe	89
PID 4580 wrote to memory of 2576	4580	RdrCEF.exe	89
PID 4580 wrote to memory of 2576	4580	RdrCEF.exe	89
PID 4580 wrote to memory of 2576	4580	RdrCEF.exe	89
PID 4580 wrote to memory of 2576	4580	RdrCEF.exe	89
PID 4580 wrote to memory of 2576	4580	RdrCEF.exe	89
PID 4580 wrote to memory of 2576	4580	RdrCEF.exe	89

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\230f07f37de0120730f9a920cce6aaeab6d25c7c00f4260e85d3d8755cd75023.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:5112
- 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:4580
- - 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=B03C80F38B47C5D8B8D9E74D8A24DD14 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3532
- - 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=0467993EFA9C8EEF8FCE32670F6DAC45 --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=0467993EFA9C8EEF8FCE32670F6DAC45 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2576
- - 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=ABDEECE429E568A963E10BA2B776F238 --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=ABDEECE429E568A963E10BA2B776F238 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2084
- - 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=5E1C56DA49159F92708E4DEA5401768D --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:484
- - 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=5E18461D202BAB1171996211DCCE744D --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3144
- - 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=DEF09A9A87419AA079FE1D6814B99C97 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1360
- 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⤵
  PID:4540

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2304

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
227a46935dc75d244af9beab85fec9a9

SHA1
42b1d458adf3b6c26b7adb38d3df999fe5a06198

SHA256
60c0c80a8f028d8400b8268817590084c9bbd9bcdd7d99f6a59f604215a824e0

SHA512
73151869d3fdadbc04cea826900a6f11240ffed98a2cd0e84503a1d5cf4077a0be3a6fa8415db891634db403fb027fb608b7f247a143446bb138c5dd179254d7

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/5112-129-0x000000000ACD0000-0x000000000AF7B000-memory.dmp

Filesize
2.7MB

Download