b7461bbd122076a5da54cfc8751c4a169c87ecea45636aa48837aab8bca0490e

Analysis

max time kernel
150s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 03:53

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General

Target

270c792842482394087c537a3b834b3f.pdf
Size

86KB
MD5

270c792842482394087c537a3b834b3f
SHA1

22b2d646fe08e0e84825757c6deaaf3629cb6bc7
SHA256

b7461bbd122076a5da54cfc8751c4a169c87ecea45636aa48837aab8bca0490e
SHA512

b9ac60230d53632a2b427c7d70542d617b0639df35dbcfd004cfdd5151375962e726b5f25b73a1ef4a39ba1d13f0e92f1fbb4722549bb0bdb905583dbb02f7fc
SSDEEP

384:B3vNi7q9XlCLkCKwoCsU51od0kNCRxCjwIMI7wI4CrSeqblZf5CCWNvCKMvl62bq:fH

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2188	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe
2188	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 1800	2188	AcroRd32.exe	92
PID 2188 wrote to memory of 1800	2188	AcroRd32.exe	92
PID 2188 wrote to memory of 1800	2188	AcroRd32.exe	92
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 2300	1800	RdrCEF.exe	93
PID 1800 wrote to memory of 1604	1800	RdrCEF.exe	94
PID 1800 wrote to memory of 1604	1800	RdrCEF.exe	94
PID 1800 wrote to memory of 1604	1800	RdrCEF.exe	94
PID 1800 wrote to memory of 1604	1800	RdrCEF.exe	94
PID 1800 wrote to memory of 1604	1800	RdrCEF.exe	94
PID 1800 wrote to memory of 1604	1800	RdrCEF.exe	94
PID 1800 wrote to memory of 1604	1800	RdrCEF.exe	94
PID 1800 wrote to memory of 1604	1800	RdrCEF.exe	94
PID 1800 wrote to memory of 1604	1800	RdrCEF.exe	94
PID 1800 wrote to memory of 1604	1800	RdrCEF.exe	94
PID 1800 wrote to memory of 1604	1800	RdrCEF.exe	94
PID 1800 wrote to memory of 1604	1800	RdrCEF.exe	94
PID 1800 wrote to memory of 1604	1800	RdrCEF.exe	94
PID 1800 wrote to memory of 1604	1800	RdrCEF.exe	94
PID 1800 wrote to memory of 1604	1800	RdrCEF.exe	94
PID 1800 wrote to memory of 1604	1800	RdrCEF.exe	94
PID 1800 wrote to memory of 1604	1800	RdrCEF.exe	94
PID 1800 wrote to memory of 1604	1800	RdrCEF.exe	94
PID 1800 wrote to memory of 1604	1800	RdrCEF.exe	94
PID 1800 wrote to memory of 1604	1800	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\270c792842482394087c537a3b834b3f.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:2188
- 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:1800
- - 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=F46B3ACE081A47966CD4A50F6EA3AE5B --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2300
- - 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=F80A46BC6C4272EC8BE904223160B33D --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=F80A46BC6C4272EC8BE904223160B33D --renderer-client-id=2 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1604
- - 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=B1BE94ACB6DFFE549230F47824364B5F --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3732
- - 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=1A8E969F389D62D68E3877FCDAB6C814 --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=1A8E969F389D62D68E3877FCDAB6C814 --renderer-client-id=5 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4868
- - 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=CD5A9275617516FBAFE4E9310CCB110E --mojo-platform-channel-handle=2468 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2288
- - 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=B9F717C5FF76212B06796AC027C33172 --mojo-platform-channel-handle=2776 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1588

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2772

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
3f9dcb133833e8c4b38a516f2cd048a3

SHA1
4e54f28731a88c7332cae8f7395b971a4d2c0098

SHA256
26085c70bc5b442bfb39fed8078d4a0ac2b19d4d91c8a5268cec3cf5e162af1b

SHA512
f8e4dd01d0645a5d148abba83068b55f90f025ced359c0ca1c0877682bd571a4bb77318ed2eaac39dfaba911bac6aac98fe04588224fc3c91ac0bd0a87ff4e26

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