8b8c65bcfae9b4097357eaae28cf84e3a40f670f43f7b0a0e3f646a0a7f24412

Analysis

max time kernel
142s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2024, 06:55

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General

Target

bdf60a67a690a13d8dcfbe335a15f1d3.pdf
Size

75KB
MD5

bdf60a67a690a13d8dcfbe335a15f1d3
SHA1

5ece69aebf26262424dd6f54dded69fd838e2335
SHA256

8b8c65bcfae9b4097357eaae28cf84e3a40f670f43f7b0a0e3f646a0a7f24412
SHA512

5cd8b3b034b363921b383f46ea95be0ec1b8afc733163cb94a04cd2cf878cd99e9d3d944885509252176f36eda2288bfd469eb86aad287955c87903f901c2228
SSDEEP

1536:O3MBxmL22M7dvHmGRpJKU/3waalj9cvnzUx62bi2E8HuIWw+I1XjC0:eM7mL22MJPzRpJ//gaap9cvzUc2biOHL

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4584	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 4168	4584	AcroRd32.exe	96
PID 4584 wrote to memory of 4168	4584	AcroRd32.exe	96
PID 4584 wrote to memory of 4168	4584	AcroRd32.exe	96
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 1112	4168	RdrCEF.exe	99
PID 4168 wrote to memory of 3524	4168	RdrCEF.exe	100
PID 4168 wrote to memory of 3524	4168	RdrCEF.exe	100
PID 4168 wrote to memory of 3524	4168	RdrCEF.exe	100
PID 4168 wrote to memory of 3524	4168	RdrCEF.exe	100
PID 4168 wrote to memory of 3524	4168	RdrCEF.exe	100
PID 4168 wrote to memory of 3524	4168	RdrCEF.exe	100
PID 4168 wrote to memory of 3524	4168	RdrCEF.exe	100
PID 4168 wrote to memory of 3524	4168	RdrCEF.exe	100
PID 4168 wrote to memory of 3524	4168	RdrCEF.exe	100
PID 4168 wrote to memory of 3524	4168	RdrCEF.exe	100
PID 4168 wrote to memory of 3524	4168	RdrCEF.exe	100
PID 4168 wrote to memory of 3524	4168	RdrCEF.exe	100
PID 4168 wrote to memory of 3524	4168	RdrCEF.exe	100
PID 4168 wrote to memory of 3524	4168	RdrCEF.exe	100
PID 4168 wrote to memory of 3524	4168	RdrCEF.exe	100
PID 4168 wrote to memory of 3524	4168	RdrCEF.exe	100
PID 4168 wrote to memory of 3524	4168	RdrCEF.exe	100
PID 4168 wrote to memory of 3524	4168	RdrCEF.exe	100
PID 4168 wrote to memory of 3524	4168	RdrCEF.exe	100
PID 4168 wrote to memory of 3524	4168	RdrCEF.exe	100

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\bdf60a67a690a13d8dcfbe335a15f1d3.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:4584
- 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:4168
- - 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=872B44954903DA17A63CEAB7B0A6E799 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1112
- - 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=7E7A1B1F8B006293FCC1027CE5059074 --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=7E7A1B1F8B006293FCC1027CE5059074 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3524
- - 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=A25C0D83B95C2D2E1F8D7B5F39A49236 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1852
- - 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=848C00DC5B5BEADB85B42B60804F6777 --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=848C00DC5B5BEADB85B42B60804F6777 --renderer-client-id=5 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2228
- - 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=DE32D3B7BBED21E6E5A64F88E36A71BA --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1040
- - 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=666D9BCF9DBAB41B2BEB88F7FE71B6AA --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3956

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3420

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
e78fab15c8900361e595f7e06973a176

SHA1
14c5eb575e5108e1ecc3a8fa3cebf58c44fe74b1

SHA256
c0564ad64c7dc3c420d14973077c28027d2b9984cc733c7f4ebda8827da37c5f

SHA512
f1068cc9aa28b3134bc6bde56e7114b4866684174eef93ff7d1546358cc502db235d81607bf9234ed378d15c5b5a5b9c2d80aa9b4b837d7affd6bbb38edd3477

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