90e4511167c0d46ea0651f79d639ccbbfa5eec5862b4fa070bbacd803e6d28a9

Analysis

max time kernel
161s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 12:46

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General

Target

8d303900777dea5c2c205b03514f7e83.pdf
Size

46KB
MD5

8d303900777dea5c2c205b03514f7e83
SHA1

d20274af1ba567b3a47bba094147f3bd7f69763d
SHA256

90e4511167c0d46ea0651f79d639ccbbfa5eec5862b4fa070bbacd803e6d28a9
SHA512

4d056151c6d8f2132b40a6c4cc4feb115baa7a544d196750a2208aa2c36311879807df322edfe92f62368e76cd0ffc0c6d9b616ed1912ae5c0c0903d02c45783
SSDEEP

768:Au9YWzDL3RhEk+/IPuwt29hJ9w8TpS7iD6dtq08yrdzFWhBwux6XHQ8S6qvZ3HvP:Au1DjTPuwt29hJ9w8TpS7iD6dA0ODwun

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3444	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe
3444	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3444 wrote to memory of 2932	3444	AcroRd32.exe	96
PID 3444 wrote to memory of 2932	3444	AcroRd32.exe	96
PID 3444 wrote to memory of 2932	3444	AcroRd32.exe	96
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 404	2932	RdrCEF.exe	98
PID 2932 wrote to memory of 1104	2932	RdrCEF.exe	99
PID 2932 wrote to memory of 1104	2932	RdrCEF.exe	99
PID 2932 wrote to memory of 1104	2932	RdrCEF.exe	99
PID 2932 wrote to memory of 1104	2932	RdrCEF.exe	99
PID 2932 wrote to memory of 1104	2932	RdrCEF.exe	99
PID 2932 wrote to memory of 1104	2932	RdrCEF.exe	99
PID 2932 wrote to memory of 1104	2932	RdrCEF.exe	99
PID 2932 wrote to memory of 1104	2932	RdrCEF.exe	99
PID 2932 wrote to memory of 1104	2932	RdrCEF.exe	99
PID 2932 wrote to memory of 1104	2932	RdrCEF.exe	99
PID 2932 wrote to memory of 1104	2932	RdrCEF.exe	99
PID 2932 wrote to memory of 1104	2932	RdrCEF.exe	99
PID 2932 wrote to memory of 1104	2932	RdrCEF.exe	99
PID 2932 wrote to memory of 1104	2932	RdrCEF.exe	99
PID 2932 wrote to memory of 1104	2932	RdrCEF.exe	99
PID 2932 wrote to memory of 1104	2932	RdrCEF.exe	99
PID 2932 wrote to memory of 1104	2932	RdrCEF.exe	99
PID 2932 wrote to memory of 1104	2932	RdrCEF.exe	99
PID 2932 wrote to memory of 1104	2932	RdrCEF.exe	99
PID 2932 wrote to memory of 1104	2932	RdrCEF.exe	99

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\8d303900777dea5c2c205b03514f7e83.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:3444
- 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:2932
- - 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=742C30378309FC192ADD15FC7A3AE6AC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:404
- - 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=108B36A14192E4AB01D6C5BF144EDBA2 --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=108B36A14192E4AB01D6C5BF144EDBA2 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1104
- - 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=0F64614163C61BA632F4CC39F6DAD328 --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=0F64614163C61BA632F4CC39F6DAD328 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4684
- - 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=DADF680340EA8B625C47FE0A2F96CA45 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1600
- - 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=250E45D1138D0ED4045DCD5716ED6E45 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1656
- - 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=BD01D0E994953FB3040B72102E668A8C --mojo-platform-channel-handle=2460 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3400

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3796

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
307f022fbd17b0b42eb016f9184adf2e

SHA1
7f2c9a48b82603e3280842c3662392a7a5582b12

SHA256
01203fa9907849ff12289b282d66f38dd63d770905b344a743a5ecb35f6b467e

SHA512
596175689bf589ea7e10db6166e3681c07153cb439650d4cccc978974ac75ff349941d637bb881d00d7f4f32266d5f81f2dd5ab9d70ca3b68326d4d46ef711f2

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