1d23186330e50365d4440f0fbff1100047bc46f6bda996f557f8c3e5f1eefb74

Analysis

max time kernel
145s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 05:02

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General

Target

7674041169138f7ef96822d89a02df36.pdf
Size

33KB
MD5

7674041169138f7ef96822d89a02df36
SHA1

ad206165782199ee66812e1a7489ec07e66aa323
SHA256

1d23186330e50365d4440f0fbff1100047bc46f6bda996f557f8c3e5f1eefb74
SHA512

23d4c0d96ae9aee76861e1b8a9bd813ff342ad88089a593ff5f6c339509feb713129a89cd9b6cd24941adaccaf4100761c495000793a76e8bf8a9675165e3cfd
SSDEEP

768:xzH9mG3xVZH/v/3RuFZ8Q8/8eNLQpu7YpCzGSLMnnAD3uDL:xD9LLRP3RuFZfru7YpCzGHAD3uDL

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3660	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe
3660	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3660 wrote to memory of 2012	3660	AcroRd32.exe	92
PID 3660 wrote to memory of 2012	3660	AcroRd32.exe	92
PID 3660 wrote to memory of 2012	3660	AcroRd32.exe	92
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 904	2012	RdrCEF.exe	94
PID 2012 wrote to memory of 2828	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 2828	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 2828	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 2828	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 2828	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 2828	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 2828	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 2828	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 2828	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 2828	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 2828	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 2828	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 2828	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 2828	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 2828	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 2828	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 2828	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 2828	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 2828	2012	RdrCEF.exe	95
PID 2012 wrote to memory of 2828	2012	RdrCEF.exe	95

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\7674041169138f7ef96822d89a02df36.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:3660
- 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:2012
- - 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=831278B709F68E7DE6F4DF9D27C51C35 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:904
- - 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=D2CDEE54BF326E387C2107755FE52FDC --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=D2CDEE54BF326E387C2107755FE52FDC --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2828
- - 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=1074A83F3B0BAFBA7C001484D376DDA9 --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=1074A83F3B0BAFBA7C001484D376DDA9 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2912
- - 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=648F46E3785A6F1FA9317F1E3616C9B9 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2740
- - 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=BC3EF53CAB37556119A3FBC8166F2082 --mojo-platform-channel-handle=2008 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3584
- - 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=147CD19A16CF67895D68A72CF7381297 --mojo-platform-channel-handle=1992 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4892

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
4c479c2e41c953bda8533b6c30c34d04

SHA1
8669c4bb22daa201c0d2ca01aa8766046542bb1b

SHA256
6531477b3b9d0cae5847b6d3b8010053f91248469d9015a757302fbdca7e81d8

SHA512
934286c4ebd70ede68a6b05619154756efe89ee8f5ea41e50522e19140318236241a0619e3ce4283598caa50f5b7232802bb41bbf1351ac5d84d8cbac33a900b

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