f3f317ea19a53dd4246d3d1955905247c38ef2f3b1edb1f0aacec8a8c25ec133

Analysis

max time kernel
142s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/02/2024, 09:41

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General

Target

f3f317ea19a53dd4246d3d1955905247c38ef2f3b1edb1f0aacec8a8c25ec133.pdf
Size

13.8MB
MD5

9a04436491a27dbad956ac645fd9eccd
SHA1

ae11f546f88f71abad791d5ce65fdc2177cd2b80
SHA256

f3f317ea19a53dd4246d3d1955905247c38ef2f3b1edb1f0aacec8a8c25ec133
SHA512

64ebd257ff5a59702203b18a52c5602b4eb30e7f28981b322e3abef9e8f70cd3bb1c4e1237872887eb19be10d57d78386e2aeb6acfd9eec1f92484928d1c12c1
SSDEEP

196608:EwXBZSkw+9+WjrBWHHn3GyPtVxlWQTvrgLwMKkNfm+w+EUdrn00:Eqg+9TeXXPplPjrgL22O0rf

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe
3924	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3924 wrote to memory of 3640	3924	AcroRd32.exe	85
PID 3924 wrote to memory of 3640	3924	AcroRd32.exe	85
PID 3924 wrote to memory of 3640	3924	AcroRd32.exe	85
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4136	3640	RdrCEF.exe	86
PID 3640 wrote to memory of 4320	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 4320	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 4320	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 4320	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 4320	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 4320	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 4320	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 4320	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 4320	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 4320	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 4320	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 4320	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 4320	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 4320	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 4320	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 4320	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 4320	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 4320	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 4320	3640	RdrCEF.exe	87
PID 3640 wrote to memory of 4320	3640	RdrCEF.exe	87

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\f3f317ea19a53dd4246d3d1955905247c38ef2f3b1edb1f0aacec8a8c25ec133.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3924
- 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:3640
- - 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=5134118B4F8EF08C6E8E7061737143EC --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4136
- - 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=7E2C7DDCE00D3E88224E33ADBFB9BB1C --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=7E2C7DDCE00D3E88224E33ADBFB9BB1C --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4320
- - 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=30D0E34C5F60612F3191130AE86AE6C2 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2028
- - 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=E2D15BB776C6B88220A90C234E5B76E2 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=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=900AE83F8E524E4FDD2764EDD0B16B10 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5100

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2220

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
8b2ad16b80c79f0751766e2d17a36410

SHA1
ab7ac683c0dbd0e6c5136b1db9153396d39950c3

SHA256
6a311a6b2b35f3a70885e464b135530ae28d27d75c160d4094fd8009f5a77666

SHA512
eb383f6de37d2cb939e4e9af40f309c1e945bb6714a1601754688f58cec96013393ad97b4fa6f86bf14bf8c7a645a023da209b1b6156d3c06740f1abd601e9e2

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