376069c2d86e30a7c36b58493ddae4ed42679983ecf196bdedb733ba78c3e374

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2024, 17:31

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General

Target

c12fa768a7a26e59f08539c39768c542.pdf
Size

35KB
MD5

c12fa768a7a26e59f08539c39768c542
SHA1

7c9598b4016480329338004ea0a90eab6964cd3b
SHA256

376069c2d86e30a7c36b58493ddae4ed42679983ecf196bdedb733ba78c3e374
SHA512

c5c443ce03eb2db0057494614c4e576f3703c92992b9bf3f9f07ad4ac134bc004a19318ca2b40d6d778738b4832beb326ae8c6ef848a2fd1b0bc65148c150eeb
SSDEEP

768:ebcDWNsLlnIaFOX9aYtAcXK3ZT2ubC4mg9NeAyO5UcQ/:e4DBlIh89CKB9e4mgPWSUcQ/

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3044	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe
3044	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 1392	3044	AcroRd32.exe	90
PID 3044 wrote to memory of 1392	3044	AcroRd32.exe	90
PID 3044 wrote to memory of 1392	3044	AcroRd32.exe	90
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 4800	1392	RdrCEF.exe	91
PID 1392 wrote to memory of 2856	1392	RdrCEF.exe	92
PID 1392 wrote to memory of 2856	1392	RdrCEF.exe	92
PID 1392 wrote to memory of 2856	1392	RdrCEF.exe	92
PID 1392 wrote to memory of 2856	1392	RdrCEF.exe	92
PID 1392 wrote to memory of 2856	1392	RdrCEF.exe	92
PID 1392 wrote to memory of 2856	1392	RdrCEF.exe	92
PID 1392 wrote to memory of 2856	1392	RdrCEF.exe	92
PID 1392 wrote to memory of 2856	1392	RdrCEF.exe	92
PID 1392 wrote to memory of 2856	1392	RdrCEF.exe	92
PID 1392 wrote to memory of 2856	1392	RdrCEF.exe	92
PID 1392 wrote to memory of 2856	1392	RdrCEF.exe	92
PID 1392 wrote to memory of 2856	1392	RdrCEF.exe	92
PID 1392 wrote to memory of 2856	1392	RdrCEF.exe	92
PID 1392 wrote to memory of 2856	1392	RdrCEF.exe	92
PID 1392 wrote to memory of 2856	1392	RdrCEF.exe	92
PID 1392 wrote to memory of 2856	1392	RdrCEF.exe	92
PID 1392 wrote to memory of 2856	1392	RdrCEF.exe	92
PID 1392 wrote to memory of 2856	1392	RdrCEF.exe	92
PID 1392 wrote to memory of 2856	1392	RdrCEF.exe	92
PID 1392 wrote to memory of 2856	1392	RdrCEF.exe	92

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\c12fa768a7a26e59f08539c39768c542.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:3044
- 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:1392
- - 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=06C74AB4144332E0F616B654A448854C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4800
- - 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=19ED6AC34BCCB9EEF4F5BF72DFDA3E81 --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=19ED6AC34BCCB9EEF4F5BF72DFDA3E81 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2856
- - 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=067BDF066783CD8C1E122F41240CB2C4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1004
- - 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=00A01B1E70ABEC7CE089ACA843A62E4C --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2040
- - 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=113955A084A41E64B2D968CD382AF193 --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=113955A084A41E64B2D968CD382AF193 --renderer-client-id=6 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3760
- - 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=D0494CA8C9B4E2215723147E59B79A2B --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3576

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1448

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
7d5cc8cfb46084968a3c8d178c000c2f

SHA1
09a726019d632d31cee4a4e81f5a0a3cd2d55a3e

SHA256
6fb39c5512a3051fa547ed0c1ddc5c5e64df99c3a154d9dcabf37d8c22adf5ce

SHA512
bfd8c21c5b93d6fb3bf019136bfc56285d8ca75fff4419764c50e5f073b97011206e0be2e6788f8fc9db8b51f130780ef58ba20ca0a8bbce2c500921926f8967

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