fa6c0e37d2a195c72f4625e5b35813578a8c65fe5e76767ccf15d9470ede9a45

Analysis

max time kernel
142s
max time network
154s
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, 15:08

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General

Target

4aa74e125ffcd31db123643dea93f515.pdf
Size

85KB
MD5

4aa74e125ffcd31db123643dea93f515
SHA1

24dcca06a29d2d9474f5c26a760fe8dbb3013d44
SHA256

fa6c0e37d2a195c72f4625e5b35813578a8c65fe5e76767ccf15d9470ede9a45
SHA512

a1eb60cd213fbe91ef9d2914dc037390adcdb03c14b0cc1cc8fe381de676e78f29c0ab9165746a1a5151cb5a94f529ead664cff0d00adeef36aff6f413209ba9
SSDEEP

1536:pHIwIOpOyRnVVeh9kkMhn2prxOifb2m/edH0mJB7rgWHyIkAWWcpOTHX1:KwIOpXnkkR23OifaYedHH76Iz1TF

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
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3516	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe
3516	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3516 wrote to memory of 3120	3516	AcroRd32.exe	92
PID 3516 wrote to memory of 3120	3516	AcroRd32.exe	92
PID 3516 wrote to memory of 3120	3516	AcroRd32.exe	92
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 4252	3120	RdrCEF.exe	93
PID 3120 wrote to memory of 5036	3120	RdrCEF.exe	94
PID 3120 wrote to memory of 5036	3120	RdrCEF.exe	94
PID 3120 wrote to memory of 5036	3120	RdrCEF.exe	94
PID 3120 wrote to memory of 5036	3120	RdrCEF.exe	94
PID 3120 wrote to memory of 5036	3120	RdrCEF.exe	94
PID 3120 wrote to memory of 5036	3120	RdrCEF.exe	94
PID 3120 wrote to memory of 5036	3120	RdrCEF.exe	94
PID 3120 wrote to memory of 5036	3120	RdrCEF.exe	94
PID 3120 wrote to memory of 5036	3120	RdrCEF.exe	94
PID 3120 wrote to memory of 5036	3120	RdrCEF.exe	94
PID 3120 wrote to memory of 5036	3120	RdrCEF.exe	94
PID 3120 wrote to memory of 5036	3120	RdrCEF.exe	94
PID 3120 wrote to memory of 5036	3120	RdrCEF.exe	94
PID 3120 wrote to memory of 5036	3120	RdrCEF.exe	94
PID 3120 wrote to memory of 5036	3120	RdrCEF.exe	94
PID 3120 wrote to memory of 5036	3120	RdrCEF.exe	94
PID 3120 wrote to memory of 5036	3120	RdrCEF.exe	94
PID 3120 wrote to memory of 5036	3120	RdrCEF.exe	94
PID 3120 wrote to memory of 5036	3120	RdrCEF.exe	94
PID 3120 wrote to memory of 5036	3120	RdrCEF.exe	94

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\4aa74e125ffcd31db123643dea93f515.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:3516
- 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:3120
- - 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=E5530D32F496DF3F915D7C58B229BE2C --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4252
- - 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=0DB9E42766CC7E73514724DD36316B83 --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=0DB9E42766CC7E73514724DD36316B83 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5036
- - 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=8CDD6F20381E0BBA9DA3EEF57AE8E84F --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=8CDD6F20381E0BBA9DA3EEF57AE8E84F --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1776
- - 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=5007FC2DA424E88AFF961E91F8D81CD4 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3176
- - 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=F1DE5DBFC4AE3EE48C6CBD5BBA616FFE --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4644
- - 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=62784AB6BA412B8EE610E08D4DCF14E9 --mojo-platform-channel-handle=2812 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3992

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1740

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
0ebfb060b55a5415a3b47931dbd2897a

SHA1
929d608c57dd316cb380dde77b4a4d5ce301b1ee

SHA256
efc91d6c2dff610e5789f87bf453054912b1389c0eadb3220335a0aaca17920a

SHA512
3b7ca288e42db43a65410424de0d9b9cbcd9330a818eb444b3ef164dc4ee58b2178175c97f64025af6870a4d0ed1e5317113f04326509373b88be3e38d68c81f

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/3516-136-0x0000000009D00000-0x0000000009E4D000-memory.dmp

Filesize
1.3MB

Download