ca03eb75e64ef56bc7923db3d190773225cb641ec005a73a0bc6d05e73f9e2ab

Analysis

max time kernel
163s
max time network
194s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
06/01/2024, 03:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4537a3668bd4d2433a8cda5714449814.pdf
Size

76KB
MD5

4537a3668bd4d2433a8cda5714449814
SHA1

b40b930d757e1550811bf65d8f60d608b8da989f
SHA256

ca03eb75e64ef56bc7923db3d190773225cb641ec005a73a0bc6d05e73f9e2ab
SHA512

bd724b52818d737b4a687f71974a7569ab14edf9b8b704500a6645172b868a5cc58eb95cfac17b2817b080e9da1523dc91d1812aa3b5b856b6338fb34dda8511
SSDEEP

1536:f77IIPKWYrFxKExQ2sfqkB6krBR2cLJ1a6fxKG/0fJ9OkTpkJSgt:DjYrfKEdKB6ax/0fJ9OqiJz

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1696	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe
1696	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 4612	1696	AcroRd32.exe	92
PID 1696 wrote to memory of 4612	1696	AcroRd32.exe	92
PID 1696 wrote to memory of 4612	1696	AcroRd32.exe	92
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 3632	4612	RdrCEF.exe	93
PID 4612 wrote to memory of 2988	4612	RdrCEF.exe	94
PID 4612 wrote to memory of 2988	4612	RdrCEF.exe	94
PID 4612 wrote to memory of 2988	4612	RdrCEF.exe	94
PID 4612 wrote to memory of 2988	4612	RdrCEF.exe	94
PID 4612 wrote to memory of 2988	4612	RdrCEF.exe	94
PID 4612 wrote to memory of 2988	4612	RdrCEF.exe	94
PID 4612 wrote to memory of 2988	4612	RdrCEF.exe	94
PID 4612 wrote to memory of 2988	4612	RdrCEF.exe	94
PID 4612 wrote to memory of 2988	4612	RdrCEF.exe	94
PID 4612 wrote to memory of 2988	4612	RdrCEF.exe	94
PID 4612 wrote to memory of 2988	4612	RdrCEF.exe	94
PID 4612 wrote to memory of 2988	4612	RdrCEF.exe	94
PID 4612 wrote to memory of 2988	4612	RdrCEF.exe	94
PID 4612 wrote to memory of 2988	4612	RdrCEF.exe	94
PID 4612 wrote to memory of 2988	4612	RdrCEF.exe	94
PID 4612 wrote to memory of 2988	4612	RdrCEF.exe	94
PID 4612 wrote to memory of 2988	4612	RdrCEF.exe	94
PID 4612 wrote to memory of 2988	4612	RdrCEF.exe	94
PID 4612 wrote to memory of 2988	4612	RdrCEF.exe	94
PID 4612 wrote to memory of 2988	4612	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\4537a3668bd4d2433a8cda5714449814.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:1696
- 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:4612
- - 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=2EC18CCAD35BD78C4D1C387022FD2717 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3632
- - 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=ECAE1FDDD31C7BC7D0BB14B4C2A0F0CC --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=ECAE1FDDD31C7BC7D0BB14B4C2A0F0CC --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2988
- - 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=E1B55DF56864AF0DF2D42F554E7DD152 --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=E1B55DF56864AF0DF2D42F554E7DD152 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3672
- - 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=9490F25ECDE7581467C449732E935991 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2644
- - 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=8B9ADB0A005CAEEC1C8CCAAA8E517F17 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3384
- - 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=5DE46A1DFA0BBF55851591D08B335031 --mojo-platform-channel-handle=1820 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1912

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
516a8762868025c9b815fb303d82feb4

SHA1
72496a641d7f061ede851dd01dee320c9b20295d

SHA256
8c9f1e2f2dd9762ab9a7060a861cd3fe55a8ce740fa30eb36f915738377e3c4b

SHA512
0f730f6385bdacb469b79a71fc98bbe9fbb4f2f66ce366a3cb83a855f03f443bc53d94906f2eb73f139dc48430bff759fee929866272c874e856593ab003b1c9

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