8466c9df08a78c5ae336e6ed1fbfc4cc49c5a17bb3cf0668c5101dcf402ac821

Analysis

max time kernel
142s
max time network
150s
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, 01:40

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General

Target

0a65c3c0f9c5e4d5a0a39a501857ad97.pdf
Size

74KB
MD5

0a65c3c0f9c5e4d5a0a39a501857ad97
SHA1

d1caf72bd5a7aecafc20fef96069e40c4c1b2a94
SHA256

8466c9df08a78c5ae336e6ed1fbfc4cc49c5a17bb3cf0668c5101dcf402ac821
SHA512

b0a5f7b78142cfa531ada129f24cb8e7389ea63d3cb01e298251db1efd22792d5f560bdf792e0866438dbb38c168b1259964fa45bc0914d0051f1085f9ba0dea
SSDEEP

1536:0FGaT9AzubWzdHiRRRT4G52WMZ8oMtQS6fk5yf7GcRYxiZli:H8AzrCpj2z6te5pdRYQS

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 4860	3444	AcroRd32.exe	95
PID 3444 wrote to memory of 4860	3444	AcroRd32.exe	95
PID 3444 wrote to memory of 4860	3444	AcroRd32.exe	95
PID 3444 wrote to memory of 2984	3444	AcroRd32.exe	98
PID 3444 wrote to memory of 2984	3444	AcroRd32.exe	98
PID 3444 wrote to memory of 2984	3444	AcroRd32.exe	98
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1144	4860	RdrCEF.exe	99
PID 4860 wrote to memory of 1916	4860	RdrCEF.exe	100
PID 4860 wrote to memory of 1916	4860	RdrCEF.exe	100
PID 4860 wrote to memory of 1916	4860	RdrCEF.exe	100
PID 4860 wrote to memory of 1916	4860	RdrCEF.exe	100
PID 4860 wrote to memory of 1916	4860	RdrCEF.exe	100
PID 4860 wrote to memory of 1916	4860	RdrCEF.exe	100
PID 4860 wrote to memory of 1916	4860	RdrCEF.exe	100
PID 4860 wrote to memory of 1916	4860	RdrCEF.exe	100
PID 4860 wrote to memory of 1916	4860	RdrCEF.exe	100
PID 4860 wrote to memory of 1916	4860	RdrCEF.exe	100
PID 4860 wrote to memory of 1916	4860	RdrCEF.exe	100
PID 4860 wrote to memory of 1916	4860	RdrCEF.exe	100
PID 4860 wrote to memory of 1916	4860	RdrCEF.exe	100
PID 4860 wrote to memory of 1916	4860	RdrCEF.exe	100
PID 4860 wrote to memory of 1916	4860	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\0a65c3c0f9c5e4d5a0a39a501857ad97.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:4860
- - 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=D23AE3CD2B3E13D4C6776104D4C72530 --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=D23AE3CD2B3E13D4C6776104D4C72530 --renderer-client-id=2 --mojo-platform-channel-handle=1704 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1144
- - 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=C35499809F25157A893B4E458719F943 --mojo-platform-channel-handle=2076 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1916
- - 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=A5EA8BB78B3D42AC71534C196A1F2533 --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=A5EA8BB78B3D42AC71534C196A1F2533 --renderer-client-id=4 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3228
- - 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=FCA04A54E330D0E9182C043B0E61115F --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:688
- - 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=45D35193017E9E79EC519A2EEE9E4367 --mojo-platform-channel-handle=2080 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4272
- - 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=DC641CAD830F788F8D48AF00007E879D --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4948
- 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⤵
  PID:2984

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4596

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
ed443b2e1a6b99270adf2033ddd5f0bc

SHA1
70869ea0e2d330f6f2b7abb5536d6c44fdd5c280

SHA256
bd38e089b57cb98d458bdd9eb9a0c84c37948fb01401fe9c8e2316369bb7504a

SHA512
161c748226e1b4b14e41e7afb1ecd952fc0c80bc0e459bc5a9b88cdc842040c44a703b790d1c113bf4fcbae5e6568d65981a432e39dcb0e7f25867dfedf48096

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/3444-136-0x000000000B420000-0x000000000B56D000-memory.dmp

Filesize
1.3MB

Download