428d1cf710c06a9abdf9736b1b0572e9fe6a568d64acb38bd64fea4156062afe

Analysis

max time kernel
151s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 02:23

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General

Target

0b89b56aa557c805fb254f9b4bc56a01.pdf
Size

41KB
MD5

0b89b56aa557c805fb254f9b4bc56a01
SHA1

1f78cc4530cfa97b5fcf6faf6c46211d341f9939
SHA256

428d1cf710c06a9abdf9736b1b0572e9fe6a568d64acb38bd64fea4156062afe
SHA512

bf5e417da031c5cdb715e38ae35a7c9ab1a33ad311afac1fb31669e5c0313b0e0487987675260c197616893dadc85487f3207825a7bc16d1ef74b6b0a37769de
SSDEEP

768:To7VJ4siRioX6oPjuSRz98lQtodzS0hZ6Z7uKQrCTGRxN497hW:O4FRhL3pG6odzSKZdKQrC67N497hW

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
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3596	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe
3596	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3596 wrote to memory of 4724	3596	AcroRd32.exe	92
PID 3596 wrote to memory of 4724	3596	AcroRd32.exe	92
PID 3596 wrote to memory of 4724	3596	AcroRd32.exe	92
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 2840	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3800	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 3800	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 3800	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 3800	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 3800	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 3800	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 3800	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 3800	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 3800	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 3800	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 3800	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 3800	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 3800	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 3800	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 3800	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 3800	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 3800	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 3800	4724	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\0b89b56aa557c805fb254f9b4bc56a01.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:3596
- 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:4724
- - 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=FC237AA5DA7672C7858A9B6CA01BA42F --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=FC237AA5DA7672C7858A9B6CA01BA42F --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2840
- - 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=F6569F5B1AE94A42329E945D36E94DB5 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3800
- - 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=F38DADD7A82285D8FEB12DA0F0B148BC --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3164
- - 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=7023C32F7F85399C07D12603C9CDCDC6 --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=7023C32F7F85399C07D12603C9CDCDC6 --renderer-client-id=5 --mojo-platform-channel-handle=2108 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4584
- - 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=AFC0A005F1A419AF971F30F70E9DDD21 --mojo-platform-channel-handle=2008 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:740
- - 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=AE2B62A99C9EFACFE58DEF5495BDE639 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4432

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1624

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
39bea653bb8b87f05a7c32d39fbd179d

SHA1
689a82ee889c811f267d6e5beae31c803ca860e9

SHA256
2c5ae5230ce36c6f0b504f861ff1ae7a01b7f0e7fe0195062d4b376a47038154

SHA512
cd6a86a7a1d08f1adfb3848e1c4fb6f079c2032ad3ce9b99bbcc1c706f686c523223f062736f274124b9fb677719f94605d2c99a48653d1c9e6ab660c482decf

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/3596-28-0x0000000009940000-0x0000000009961000-memory.dmp

Filesize
132KB

Download