ea48a05f2ee0a1d7a9e7f483fa4dc81a34908e1c7ed27b8aba4cf0b214fd6753

Analysis

max time kernel
155s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 20:36

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General

Target

1bf35c8fab0f30009d74a08afe302bd3.pdf
Size

99KB
MD5

1bf35c8fab0f30009d74a08afe302bd3
SHA1

77accaf0494d00bca68693f79cc44197c599c92d
SHA256

ea48a05f2ee0a1d7a9e7f483fa4dc81a34908e1c7ed27b8aba4cf0b214fd6753
SHA512

9d2f0dc30b0ee31d3903112d5e0b9fc950e7ded2215a1df93e8c74c36628bcf593a8245e360563303d57591e7e4260dcbde0bce092cff95f351a4472a8c2044c
SSDEEP

3072:4atHsWI297kQN6xRJ4CodiC+v7OZrD8BPJtpugN7kF6TVA:4aVsYxC9KixOZU7Y

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3660	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3660 wrote to memory of 1672	3660	AcroRd32.exe	92
PID 3660 wrote to memory of 1672	3660	AcroRd32.exe	92
PID 3660 wrote to memory of 1672	3660	AcroRd32.exe	92
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4512	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 3184	1672	RdrCEF.exe	95
PID 1672 wrote to memory of 3184	1672	RdrCEF.exe	95
PID 1672 wrote to memory of 3184	1672	RdrCEF.exe	95
PID 1672 wrote to memory of 3184	1672	RdrCEF.exe	95
PID 1672 wrote to memory of 3184	1672	RdrCEF.exe	95
PID 1672 wrote to memory of 3184	1672	RdrCEF.exe	95
PID 1672 wrote to memory of 3184	1672	RdrCEF.exe	95
PID 1672 wrote to memory of 3184	1672	RdrCEF.exe	95
PID 1672 wrote to memory of 3184	1672	RdrCEF.exe	95
PID 1672 wrote to memory of 3184	1672	RdrCEF.exe	95
PID 1672 wrote to memory of 3184	1672	RdrCEF.exe	95
PID 1672 wrote to memory of 3184	1672	RdrCEF.exe	95
PID 1672 wrote to memory of 3184	1672	RdrCEF.exe	95
PID 1672 wrote to memory of 3184	1672	RdrCEF.exe	95
PID 1672 wrote to memory of 3184	1672	RdrCEF.exe	95
PID 1672 wrote to memory of 3184	1672	RdrCEF.exe	95
PID 1672 wrote to memory of 3184	1672	RdrCEF.exe	95
PID 1672 wrote to memory of 3184	1672	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\1bf35c8fab0f30009d74a08afe302bd3.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:3660
- 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:1672
- - 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=63FE4008DC5238AC08E6017FA148ACD2 --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=63FE4008DC5238AC08E6017FA148ACD2 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4512
- - 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=F80E705746FFB600EB75123550D8CA07 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3184
- - 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=942F22E9F568BC9BA410953806717125 --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=942F22E9F568BC9BA410953806717125 --renderer-client-id=4 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4832
- - 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=56106A667AB5C25FCFFC565DCE34F9DD --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4788
- - 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=7F40E621D6CA2FD2587FE803F58E2C54 --mojo-platform-channel-handle=2040 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:448
- - 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=588662928CDD4AA0AE210987EA4694A7 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5104

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4912

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
78119f6093ea6a57756c3155c5f4b113

SHA1
ec3a1f396f4aa0cdbdb88804596d44c8f01c1483

SHA256
cdfe28ab46eb3e67e6adf0fcd46340265742c14553cdf23fdf735aee8837804c

SHA512
80aa08c3a46f6b5a911784f827841645b908035ad5bc0a3d21bc855869b19f062c13af3789314819f2eabf3a2e1c3932163ea9662bebdd89e1058ab7bea9c6b3

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