a38f51de4d08c02734ba3fa6f571c78b48bc031a5874375579d78d32bffbaa2a

Analysis

max time kernel
145s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/03/2024, 10:24

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General

Target

deef89b3df813f0e8f74af969ca4e72e.pdf
Size

60KB
MD5

deef89b3df813f0e8f74af969ca4e72e
SHA1

7c36ceccf5038f330298daeeb3304a4c9bc8a66e
SHA256

a38f51de4d08c02734ba3fa6f571c78b48bc031a5874375579d78d32bffbaa2a
SHA512

34bd46e289622049f7c7afcc80f2d3361ff5e47422df074545262df5020162c3a34d687f8673d9da010ea2fb7ea9ae77a58bdfd9a77a64f452a62e98bef963b3
SSDEEP

1536:kzWO2GNny8M0bPuPPgReYpd3fhsC26seNP:wWQNy12egpdvGWJ

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4556	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4556 wrote to memory of 1900	4556	AcroRd32.exe	85
PID 4556 wrote to memory of 1900	4556	AcroRd32.exe	85
PID 4556 wrote to memory of 1900	4556	AcroRd32.exe	85
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 4756	1900	RdrCEF.exe	86
PID 1900 wrote to memory of 400	1900	RdrCEF.exe	87
PID 1900 wrote to memory of 400	1900	RdrCEF.exe	87
PID 1900 wrote to memory of 400	1900	RdrCEF.exe	87
PID 1900 wrote to memory of 400	1900	RdrCEF.exe	87
PID 1900 wrote to memory of 400	1900	RdrCEF.exe	87
PID 1900 wrote to memory of 400	1900	RdrCEF.exe	87
PID 1900 wrote to memory of 400	1900	RdrCEF.exe	87
PID 1900 wrote to memory of 400	1900	RdrCEF.exe	87
PID 1900 wrote to memory of 400	1900	RdrCEF.exe	87
PID 1900 wrote to memory of 400	1900	RdrCEF.exe	87
PID 1900 wrote to memory of 400	1900	RdrCEF.exe	87
PID 1900 wrote to memory of 400	1900	RdrCEF.exe	87
PID 1900 wrote to memory of 400	1900	RdrCEF.exe	87
PID 1900 wrote to memory of 400	1900	RdrCEF.exe	87
PID 1900 wrote to memory of 400	1900	RdrCEF.exe	87
PID 1900 wrote to memory of 400	1900	RdrCEF.exe	87
PID 1900 wrote to memory of 400	1900	RdrCEF.exe	87
PID 1900 wrote to memory of 400	1900	RdrCEF.exe	87
PID 1900 wrote to memory of 400	1900	RdrCEF.exe	87
PID 1900 wrote to memory of 400	1900	RdrCEF.exe	87

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\deef89b3df813f0e8f74af969ca4e72e.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1900
- - 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=0AD8A384CAF663904C9C113EC014360F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4756
- - 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=20C66F1DDAA5D2472DD7E66513B8297C --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=20C66F1DDAA5D2472DD7E66513B8297C --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:400
- - 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=C5C82E435E61C536E3F3ACE9F12019A6 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3168
- - 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=87CFE8CBCBCEE33C112C768887F41EC2 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4004
- - 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=F44DA79BF9A23B01F65359459FB07421 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3228
- - 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=2FB6DA5912DA33FF095B8F785A28DCDC --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=2FB6DA5912DA33FF095B8F785A28DCDC --renderer-client-id=7 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4852

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4372

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
ec8831e073a2721ee3229f3a46d12219

SHA1
2fa0efb29f6c91da3ec78d51a96dc508c5c2bc33

SHA256
b3176f35650a60694270852263e95548907460d1a8cfbc8584fc9f023eb57da0

SHA512
a320465fc7371fd25961a9ad8da85e076cd6574f42d7154f525f3c858ff84912b20bb502ba1ab79dc10b36d95d4188726b2d7442b8e7b40e05714cb7025d28d6

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