2e86e31407f5a18e507fe88816b7e1a2da762cfc5470cb6d553017a0ab981f6a

Analysis

max time kernel
141s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 10:50

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General

Target

0cfda481eb0442f3903f0540af2807cc.pdf
Size

84KB
MD5

0cfda481eb0442f3903f0540af2807cc
SHA1

e4a4f11770eead5031ee9d757a54e05fe1971dcf
SHA256

2e86e31407f5a18e507fe88816b7e1a2da762cfc5470cb6d553017a0ab981f6a
SHA512

0047ec2a3f52c5eb17af68d4124d62fc41c2fe3c63fab997cd50bbbd7fb6d55e46801a76f72931f321f2ee7c32123cbbb133272a9b4172b2981ba14d836872aa
SSDEEP

1536:2Y9PF+ICU4V75/3rySr9V5qZ3xcG/2RW9fdHw8f7pLWFk4eMv1zGcYWepOZR69Gx:HRF+Q29/mSZ7WhL2RcfWa7pQkOzGclZp

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe
3716	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3716 wrote to memory of 4704	3716	AcroRd32.exe	96
PID 3716 wrote to memory of 4704	3716	AcroRd32.exe	96
PID 3716 wrote to memory of 4704	3716	AcroRd32.exe	96
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 1900	4704	RdrCEF.exe	97
PID 4704 wrote to memory of 4172	4704	RdrCEF.exe	98
PID 4704 wrote to memory of 4172	4704	RdrCEF.exe	98
PID 4704 wrote to memory of 4172	4704	RdrCEF.exe	98
PID 4704 wrote to memory of 4172	4704	RdrCEF.exe	98
PID 4704 wrote to memory of 4172	4704	RdrCEF.exe	98
PID 4704 wrote to memory of 4172	4704	RdrCEF.exe	98
PID 4704 wrote to memory of 4172	4704	RdrCEF.exe	98
PID 4704 wrote to memory of 4172	4704	RdrCEF.exe	98
PID 4704 wrote to memory of 4172	4704	RdrCEF.exe	98
PID 4704 wrote to memory of 4172	4704	RdrCEF.exe	98
PID 4704 wrote to memory of 4172	4704	RdrCEF.exe	98
PID 4704 wrote to memory of 4172	4704	RdrCEF.exe	98
PID 4704 wrote to memory of 4172	4704	RdrCEF.exe	98
PID 4704 wrote to memory of 4172	4704	RdrCEF.exe	98
PID 4704 wrote to memory of 4172	4704	RdrCEF.exe	98
PID 4704 wrote to memory of 4172	4704	RdrCEF.exe	98
PID 4704 wrote to memory of 4172	4704	RdrCEF.exe	98
PID 4704 wrote to memory of 4172	4704	RdrCEF.exe	98
PID 4704 wrote to memory of 4172	4704	RdrCEF.exe	98
PID 4704 wrote to memory of 4172	4704	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\0cfda481eb0442f3903f0540af2807cc.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3716
- 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:4704
- - 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=F7FD596CF7A72607FD17E6D64C12E572 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=6F1A44FCC74448978D046933E96BF699 --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=6F1A44FCC74448978D046933E96BF699 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4172
- - 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=660B4C029EF1DC79603A396FF125C0B1 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3892
- - 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=4062BA75E662DD0318E204CA262C7ADE --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1224
- - 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=1117D20AEC9C5782DA748F002A0A0CCC --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4944

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
39182cb0ba64a2439de0e13be3a4473c

SHA1
a91d13ecc26e642866087428576a8254a847a68f

SHA256
b5bbefcbfe4f20b70959fb866971c4b0b19b0c5dbc11ab3c5d38090aedb1da10

SHA512
d304a84a66e3091221608658fea94a1e279784c44c8f6c8ecf4c74d59b1f7d671361fc7f32bc6e5b6eee713c4de6428c01280ce7f1b0262aa26e1b89a2d5f348

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