54ff8ec4b3f2c8059027d73658ef7d88ea374de9aea1beb1ce6ed4f9961c87d9

Analysis

max time kernel
129s
max time network
154s
platform
windows10-1703_x64
resource
win10-20240611-en
resource tags

arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system
submitted
22/07/2024, 13:36

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General

Target

3d9a4524-8dd5-44dd-bb3a-c1babe6cff13.pdf
Size

330KB
MD5

1eda511610074a8866ad55d65b47c5d7
SHA1

8b1a749e291fec7ca1f1d52af4ce12b2eddaae68
SHA256

54ff8ec4b3f2c8059027d73658ef7d88ea374de9aea1beb1ce6ed4f9961c87d9
SHA512

e41187498a4342b74c0564dda5e5839e3ce7f104846447f79239c10a62b03ad8780cad8d6b83b5a3700cc8a24f9537c3ba61101ed5dad207e516f4b21184f01e
SSDEEP

6144:b2zqepDDPEzDYYN01woEwClpHHxaOA7lXE5vH7SACBsPlZe4piNoeeY:b2zqepDDc+1w1wixaOGhUOACs9oes

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-1-5-21-1453213197-474736321-1741884505-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4396	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe
4396	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 1672	4396	AcroRd32.exe	71
PID 4396 wrote to memory of 1672	4396	AcroRd32.exe	71
PID 4396 wrote to memory of 1672	4396	AcroRd32.exe	71
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 232	1672	RdrCEF.exe	72
PID 1672 wrote to memory of 1836	1672	RdrCEF.exe	73
PID 1672 wrote to memory of 1836	1672	RdrCEF.exe	73
PID 1672 wrote to memory of 1836	1672	RdrCEF.exe	73
PID 1672 wrote to memory of 1836	1672	RdrCEF.exe	73
PID 1672 wrote to memory of 1836	1672	RdrCEF.exe	73
PID 1672 wrote to memory of 1836	1672	RdrCEF.exe	73
PID 1672 wrote to memory of 1836	1672	RdrCEF.exe	73
PID 1672 wrote to memory of 1836	1672	RdrCEF.exe	73
PID 1672 wrote to memory of 1836	1672	RdrCEF.exe	73
PID 1672 wrote to memory of 1836	1672	RdrCEF.exe	73
PID 1672 wrote to memory of 1836	1672	RdrCEF.exe	73
PID 1672 wrote to memory of 1836	1672	RdrCEF.exe	73
PID 1672 wrote to memory of 1836	1672	RdrCEF.exe	73
PID 1672 wrote to memory of 1836	1672	RdrCEF.exe	73
PID 1672 wrote to memory of 1836	1672	RdrCEF.exe	73
PID 1672 wrote to memory of 1836	1672	RdrCEF.exe	73
PID 1672 wrote to memory of 1836	1672	RdrCEF.exe	73
PID 1672 wrote to memory of 1836	1672	RdrCEF.exe	73
PID 1672 wrote to memory of 1836	1672	RdrCEF.exe	73
PID 1672 wrote to memory of 1836	1672	RdrCEF.exe	73

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\3d9a4524-8dd5-44dd-bb3a-c1babe6cff13.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:4396
- 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:1672
- - 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=5EEB66489B8362BBF823650CFCA06C3A --mojo-platform-channel-handle=1636 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:232
- - 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=5B74AB99B4ED21D01F149100BE09E803 --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=5B74AB99B4ED21D01F149100BE09E803 --renderer-client-id=2 --mojo-platform-channel-handle=1644 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1836
- - 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=561B69E595038B7148242A43A0F8AD80 --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=561B69E595038B7148242A43A0F8AD80 --renderer-client-id=4 --mojo-platform-channel-handle=2212 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4416
- - 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=FA88A2744EF9C8B79CA50629DBD262BE --mojo-platform-channel-handle=2480 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4672
- - 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=A3247DB7BE593A3911380F08E1C58A09 --mojo-platform-channel-handle=2640 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1436
- - 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=33F3983945642ACAE49BDEBC9E3DA7FE --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2960

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
ec06fb500814a779364bfc4e6aae63cd

SHA1
376db028e29045be6ad549363ed581a167c983da

SHA256
c307edd3696f1d2e246f4014945cb029985700eb212102b596c9268ceaf03cac

SHA512
52d0c5f95d697b5cf1f7bf100ef15920c5dc4f33e81f9e1c5c7ecbcfdc1da3ab04fbed29eb4ce801c379a66f37acce6a0d2f66b4a53c9eeaca0b4fe9b6e62ece

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