c81676aeb53c3b1fe1115feab3250e15b098d81cdb704fe79f91ad123c6841f4

Analysis

max time kernel
151s
max time network
156s
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, 11:49

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General

Target

178887b38f1bafb75752af29f0f35b75.pdf
Size

176KB
MD5

178887b38f1bafb75752af29f0f35b75
SHA1

2608dab80204dd6d14c944b8da77351e98f6385f
SHA256

c81676aeb53c3b1fe1115feab3250e15b098d81cdb704fe79f91ad123c6841f4
SHA512

6138250508fc4b0af0d9a8c6b61bab288247b5983002294b29deb6c9257bea5fa90c8db7aef2912e625b109a1d4b8bd99fb7964a12cf4a4b8f3f0304e30f7f44
SSDEEP

3072:F3COtGVwlSf4Z7MrKD6mus3iYrfVFXFZ5mXSSfPdq3Z2qls7Z:ECGVrUMrwNus3xXdmX3Gls1

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4496	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe
4496	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4496 wrote to memory of 1648	4496	AcroRd32.exe	92
PID 4496 wrote to memory of 1648	4496	AcroRd32.exe	92
PID 4496 wrote to memory of 1648	4496	AcroRd32.exe	92
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 2772	1648	RdrCEF.exe	93
PID 1648 wrote to memory of 3060	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 3060	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 3060	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 3060	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 3060	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 3060	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 3060	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 3060	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 3060	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 3060	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 3060	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 3060	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 3060	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 3060	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 3060	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 3060	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 3060	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 3060	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 3060	1648	RdrCEF.exe	94
PID 1648 wrote to memory of 3060	1648	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\178887b38f1bafb75752af29f0f35b75.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:4496
- 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:1648
- - 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=07D668B4A8B9B0C98995B56FA3D95D5C --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2772
- - 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=9FFBB108A86254C12C2C53B89B2F7496 --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=9FFBB108A86254C12C2C53B89B2F7496 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3060
- - 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=0EA7999A1E3F8D2A8D018E09ADB766A0 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2848
- - 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=4B8697894959A9807F88CDFED7C96ABA --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=4B8697894959A9807F88CDFED7C96ABA --renderer-client-id=5 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2044
- - 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=2811F9694F9BC21BC459900F302975B6 --mojo-platform-channel-handle=2468 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5080
- - 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=66547CB5192FF8F4408B06CB4F32E202 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2084

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4360

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
fbefb32a8fe56415e4ed554a6deaf0d5

SHA1
6997b1ee43317df79cda29fa9164899296442379

SHA256
5a126f670e49ea1d153398815530f8d70d7c74e1de6d0af30221203e965fd8af

SHA512
17512dacb2b71312c8631dd47d46cea21230446269ebe9537d43407c9b50b56358f7b881cf03c2e9e941079124a958aece2fc992c5c222c4cfdd36e863d110f9

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