bc0c7d6d0183151045a9108df1558106acd7f6fcc774608c805980010466d52c

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 01:01

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General

Target

8dd3af5410e45ac9335e711503c54f11.pdf
Size

80KB
MD5

8dd3af5410e45ac9335e711503c54f11
SHA1

9870267d076347a374abfc0e7e1cb2548290df98
SHA256

bc0c7d6d0183151045a9108df1558106acd7f6fcc774608c805980010466d52c
SHA512

6ba4858e5b167a4769109b1dc2dab3f6473646593cc182b46238bf1f1acb31381d477f69a654709fc2060853772af016dee81ea1f7bf76db12c3d17647e352a0
SSDEEP

1536:4aB/54LMs657Q7kAHrnPhoKYu0UsLq21kPWOkCD/5J4bliLWQpOCggC:BF5hseA7J+JU8vikORJ4Ri2C+

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
212	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe
212	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 212 wrote to memory of 4920	212	AcroRd32.exe	96
PID 212 wrote to memory of 4920	212	AcroRd32.exe	96
PID 212 wrote to memory of 4920	212	AcroRd32.exe	96
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 512	4920	RdrCEF.exe	97
PID 4920 wrote to memory of 400	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 400	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 400	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 400	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 400	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 400	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 400	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 400	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 400	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 400	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 400	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 400	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 400	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 400	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 400	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 400	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 400	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 400	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 400	4920	RdrCEF.exe	98
PID 4920 wrote to memory of 400	4920	RdrCEF.exe	98

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\8dd3af5410e45ac9335e711503c54f11.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:212
- 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:4920
- - 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=16C811D9C7B2161424FE1A67EADC9CC2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:512
- - 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=6871DDA16BA9835D163E0FACA3841D60 --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=6871DDA16BA9835D163E0FACA3841D60 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --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=8577D6059785C5DD6591AAC468B04E85 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4132
- - 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=6D544D4CD46EEB426FAC1B04F9A906B9 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2384
- - 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=1AE5A15545E87B78BEDA5DEA43741FA5 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2276
- - 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=4A493AA5D7EFE2276D6F1FD443CE14B1 --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=4A493AA5D7EFE2276D6F1FD443CE14B1 --renderer-client-id=7 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3628

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2476

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
6406e5f49af470e0e25d052b8bfc0e60

SHA1
6c1ac297f02049b822f9051df01633d97a97697b

SHA256
8311c50df0cc95cb5c116debd37a3f06ee57a6bf981207a71ec15193dfa25dd4

SHA512
07ab69fb60b051b0d68c812d6e1f31ad76ed5415ff68973527de0f91413c77514e762b425600f3356d282225c11409ba304b6c8079d218d2eaf5b05114378cf4

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/212-25-0x000000000B250000-0x000000000B2A0000-memory.dmp

Filesize
320KB

Download