147eaf387f59657eaee3a1b7bc8a0039e9aea667d9ab2676cd48b360eff8fe7b

Analysis

max time kernel
148s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 21:26

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General

Target

3ded8ced20c82dcde326e8e055eeb203.pdf
Size

74KB
MD5

3ded8ced20c82dcde326e8e055eeb203
SHA1

204a631afafcf63ed6b49dc5cf4eabc5c00cd4a9
SHA256

147eaf387f59657eaee3a1b7bc8a0039e9aea667d9ab2676cd48b360eff8fe7b
SHA512

b72a0ced9410204da6ba78be740af2122446cd80c5582e45aa43088dbd74aa3bc7a69899ccad58f63516dbc2fd25e2c80e0728e08f605100af28281e976b6f07
SSDEEP

1536:8N01bO6SgJ1QMF780QHLDT6kv04iWUgs+jCsCz6qMW7aCfg7kOxfMC8hiArQb+sg:X85gvHIbDT6kMyExz9MW1/w8wArQ6sdW

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2636	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 912	2636	AcroRd32.exe	95
PID 2636 wrote to memory of 912	2636	AcroRd32.exe	95
PID 2636 wrote to memory of 912	2636	AcroRd32.exe	95
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4352	912	RdrCEF.exe	99
PID 912 wrote to memory of 4440	912	RdrCEF.exe	100
PID 912 wrote to memory of 4440	912	RdrCEF.exe	100
PID 912 wrote to memory of 4440	912	RdrCEF.exe	100
PID 912 wrote to memory of 4440	912	RdrCEF.exe	100
PID 912 wrote to memory of 4440	912	RdrCEF.exe	100
PID 912 wrote to memory of 4440	912	RdrCEF.exe	100
PID 912 wrote to memory of 4440	912	RdrCEF.exe	100
PID 912 wrote to memory of 4440	912	RdrCEF.exe	100
PID 912 wrote to memory of 4440	912	RdrCEF.exe	100
PID 912 wrote to memory of 4440	912	RdrCEF.exe	100
PID 912 wrote to memory of 4440	912	RdrCEF.exe	100
PID 912 wrote to memory of 4440	912	RdrCEF.exe	100
PID 912 wrote to memory of 4440	912	RdrCEF.exe	100
PID 912 wrote to memory of 4440	912	RdrCEF.exe	100
PID 912 wrote to memory of 4440	912	RdrCEF.exe	100
PID 912 wrote to memory of 4440	912	RdrCEF.exe	100
PID 912 wrote to memory of 4440	912	RdrCEF.exe	100
PID 912 wrote to memory of 4440	912	RdrCEF.exe	100
PID 912 wrote to memory of 4440	912	RdrCEF.exe	100
PID 912 wrote to memory of 4440	912	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\3ded8ced20c82dcde326e8e055eeb203.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:2636
- 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:912
- - 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=2F8F67CF768DBFDBE276CDF56BE092D6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4352
- - 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=C411714E8841C2ADF962B77F05D99528 --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=C411714E8841C2ADF962B77F05D99528 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4440
- - 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=CCAA85B6FD36F7E66119905404583A4F --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4052
- - 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=3AADE2A67872E8C981D64F536588CC1E --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=3AADE2A67872E8C981D64F536588CC1E --renderer-client-id=5 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4596
- - 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=D464C6D9CE63C41A4230C204F4B40492 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1540
- - 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=61FE96D6E9FC4C84A3B1B1E9EC1FD27E --mojo-platform-channel-handle=2120 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1828

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
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
8471825b417e7bff3aee652d3c57126b

SHA1
a9f904584866f03a70672909a24a5883809ab0a4

SHA256
01f06f47811d6249e1ed5517d7e2d068add3306845d5a35853c450ac720b18e0

SHA512
c1a7dd27179651b73e367ee50b31e8142b20487c48becdd9f3a55fd106c14b998e5ff97f57990af17445b7a1723c99dfa258f54d1143a3f54bf5b4d19326cc2a

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit