eb48381cbbc318e3c268ea12324a03e81692ca11699554c782f3692581a20c19

Analysis

max time kernel
143s
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
10/01/2024, 21:43

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General

Target

51b23318fb200b85b519e63d55dcbcfa.pdf
Size

84KB
MD5

51b23318fb200b85b519e63d55dcbcfa
SHA1

689bdf99d0b448eb2d9042c23a317090ca5ef1a2
SHA256

eb48381cbbc318e3c268ea12324a03e81692ca11699554c782f3692581a20c19
SHA512

c3b32797935180860564e023798334b87688f16e6eaef87564ac44e24356dfa865536157b6bb7dc4bb00500fceed5f9513f257b5818a07d4204f6ed543ed93d6
SSDEEP

1536:G/gtJho6JAyQNOtvUc2O0ncgQxWGpOK7+sZP6iWwhQtj:0gZzSOtvJ27cg5KioP6qW

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
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
960	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 960 wrote to memory of 3612	960	AcroRd32.exe	91
PID 960 wrote to memory of 3612	960	AcroRd32.exe	91
PID 960 wrote to memory of 3612	960	AcroRd32.exe	91
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 964	3612	RdrCEF.exe	92
PID 3612 wrote to memory of 3176	3612	RdrCEF.exe	93
PID 3612 wrote to memory of 3176	3612	RdrCEF.exe	93
PID 3612 wrote to memory of 3176	3612	RdrCEF.exe	93
PID 3612 wrote to memory of 3176	3612	RdrCEF.exe	93
PID 3612 wrote to memory of 3176	3612	RdrCEF.exe	93
PID 3612 wrote to memory of 3176	3612	RdrCEF.exe	93
PID 3612 wrote to memory of 3176	3612	RdrCEF.exe	93
PID 3612 wrote to memory of 3176	3612	RdrCEF.exe	93
PID 3612 wrote to memory of 3176	3612	RdrCEF.exe	93
PID 3612 wrote to memory of 3176	3612	RdrCEF.exe	93
PID 3612 wrote to memory of 3176	3612	RdrCEF.exe	93
PID 3612 wrote to memory of 3176	3612	RdrCEF.exe	93
PID 3612 wrote to memory of 3176	3612	RdrCEF.exe	93
PID 3612 wrote to memory of 3176	3612	RdrCEF.exe	93
PID 3612 wrote to memory of 3176	3612	RdrCEF.exe	93
PID 3612 wrote to memory of 3176	3612	RdrCEF.exe	93
PID 3612 wrote to memory of 3176	3612	RdrCEF.exe	93
PID 3612 wrote to memory of 3176	3612	RdrCEF.exe	93

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\51b23318fb200b85b519e63d55dcbcfa.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:960
- 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:3612
- - 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=A80BB18B5B85B440BAB9C09B3FD8940B --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=A80BB18B5B85B440BAB9C09B3FD8940B --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:964
- - 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=B6AC2F65C7B67E57A882AE9E54E2B9CC --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3176
- - 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=DDD20946C46762A92C937C4E00C8A029 --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=DDD20946C46762A92C937C4E00C8A029 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1056
- - 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=6CE10E0C0F6E828FE9F50C6A051C42B4 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4960
- - 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=82D93ACD6BFE5346FBC9BE176826FA53 --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1612
- - 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=AD71A4DF0C5F81A7A4D0198E3D7EF019 --mojo-platform-channel-handle=2088 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1852

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
c9400bef09ffc8ca7c682bc045b208da

SHA1
dd732eaffe17560da6ab4ad4c431e87713e29fc1

SHA256
f00eddd976a3e765d866a84d17d959ca6f71c3e513e53106a67b0597e077b550

SHA512
cc1bf18eadf9947f763c2ee458402a303baec39ff4724ac5f34a00e0b31dd7160f7ea45dc6e36544c953a530eb4f35eb519fd8e2324b451a1d6742abc7de3ead

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
memory/960-149-0x000000000A520000-0x000000000A54A000-memory.dmp

Filesize
168KB

Download