f39ddbc08fa2fb8d5ffea3e5505a5fe364409ec45b81c6368572a6e8829f83c5

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 06:40

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General

Target

8e799a3c4f73b2ffa222abd461100161.pdf
Size

86KB
MD5

8e799a3c4f73b2ffa222abd461100161
SHA1

1efcafa24c4e8891784d053d89e063f1d55d87e2
SHA256

f39ddbc08fa2fb8d5ffea3e5505a5fe364409ec45b81c6368572a6e8829f83c5
SHA512

7b14d9ec45c3db07cf67b8e9c854b1c4fc034a6ec77dae9c2440d3cd3781ca08c1b8e394a3da181b22dd4910764af325b89a46e3c4c3a20559a5cbf074a75c46
SSDEEP

1536:tcHqKcuypvtC4kcxw5lEhHN6I72EGUojreH+cIwrrfYAfWOpOwrKWKGzCoZ0usc:GWuypvA4FlHN6DEGUojeTIwrrwAcwrB3

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2708	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe
2708	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 1960	2708	AcroRd32.exe	89
PID 2708 wrote to memory of 1960	2708	AcroRd32.exe	89
PID 2708 wrote to memory of 1960	2708	AcroRd32.exe	89
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 1044	1960	RdrCEF.exe	90
PID 1960 wrote to memory of 4820	1960	RdrCEF.exe	91
PID 1960 wrote to memory of 4820	1960	RdrCEF.exe	91
PID 1960 wrote to memory of 4820	1960	RdrCEF.exe	91
PID 1960 wrote to memory of 4820	1960	RdrCEF.exe	91
PID 1960 wrote to memory of 4820	1960	RdrCEF.exe	91
PID 1960 wrote to memory of 4820	1960	RdrCEF.exe	91
PID 1960 wrote to memory of 4820	1960	RdrCEF.exe	91
PID 1960 wrote to memory of 4820	1960	RdrCEF.exe	91
PID 1960 wrote to memory of 4820	1960	RdrCEF.exe	91
PID 1960 wrote to memory of 4820	1960	RdrCEF.exe	91
PID 1960 wrote to memory of 4820	1960	RdrCEF.exe	91
PID 1960 wrote to memory of 4820	1960	RdrCEF.exe	91
PID 1960 wrote to memory of 4820	1960	RdrCEF.exe	91
PID 1960 wrote to memory of 4820	1960	RdrCEF.exe	91
PID 1960 wrote to memory of 4820	1960	RdrCEF.exe	91
PID 1960 wrote to memory of 4820	1960	RdrCEF.exe	91
PID 1960 wrote to memory of 4820	1960	RdrCEF.exe	91
PID 1960 wrote to memory of 4820	1960	RdrCEF.exe	91
PID 1960 wrote to memory of 4820	1960	RdrCEF.exe	91
PID 1960 wrote to memory of 4820	1960	RdrCEF.exe	91

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\8e799a3c4f73b2ffa222abd461100161.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:2708
- 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:1960
- - 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=A3F83E6342B02D90E8431757D6631BC8 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1044
- - 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=9DF4BC49865FCFD79A66D0CDBED8AD05 --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=9DF4BC49865FCFD79A66D0CDBED8AD05 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4820
- - 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=D0CE4224834C4F8E8EC34548BEA03489 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4628
- - 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=000E668F72B944C58E9829C42BFCC147 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2480
- - 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=3537D0B353E1FB76A7976EDDB8E58484 --mojo-platform-channel-handle=2388 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4924
- - 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=5AC442C9C56C911C0A8C59048D7287BC --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=5AC442C9C56C911C0A8C59048D7287BC --renderer-client-id=7 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:880

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1388

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
e5224f1ef63d080f15d1980c43086237

SHA1
16d6afea10901a0487d68b7338a89c7fb625e45e

SHA256
b2ba1b20d7c75cf1246566310233369aaa380674dc9d515b82ad8a75f2fe1b03

SHA512
ccf7b36a2003a97d25cd4c52d60faf58e680d0352875d594893705bf42ec6741385bfdcad5fd33ee603fcc0e22066a87d988ec73fd4e5edc0069380fc5eb65a5

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