a56b3b77f489a91b4dae0f5f558d95fbe2c6db904950a8c416b832472f0bbba7

Analysis

max time kernel
143s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 22:00

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General

Target

af9dff2b8af0db3a742fada213d8f9d7.pdf
Size

87KB
MD5

af9dff2b8af0db3a742fada213d8f9d7
SHA1

5e4c3f99d81ed4fc8c65dfeadab1f65d4a2415c1
SHA256

a56b3b77f489a91b4dae0f5f558d95fbe2c6db904950a8c416b832472f0bbba7
SHA512

bd722b9d838469e19d0c1be69d2dae783a3cbd040b86ecfe672e445597e781ab9c34a342840706d977a8ed5f37222d5bc8042b1bf1228411b9fd4d5d7ded0c35
SSDEEP

1536:6XML2Rzwv3eqn0lOwT76syDRYtfLoefUua01HhpIKuZIewuW6pOu2BYWeAyvh19K:KML2Nu3eqn0lOgPyFBaa09bItZ+ru2Bx

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4812	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe
4812	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 1440	4812	AcroRd32.exe	92
PID 4812 wrote to memory of 1440	4812	AcroRd32.exe	92
PID 4812 wrote to memory of 1440	4812	AcroRd32.exe	92
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 3216	1440	RdrCEF.exe	93
PID 1440 wrote to memory of 4480	1440	RdrCEF.exe	94
PID 1440 wrote to memory of 4480	1440	RdrCEF.exe	94
PID 1440 wrote to memory of 4480	1440	RdrCEF.exe	94
PID 1440 wrote to memory of 4480	1440	RdrCEF.exe	94
PID 1440 wrote to memory of 4480	1440	RdrCEF.exe	94
PID 1440 wrote to memory of 4480	1440	RdrCEF.exe	94
PID 1440 wrote to memory of 4480	1440	RdrCEF.exe	94
PID 1440 wrote to memory of 4480	1440	RdrCEF.exe	94
PID 1440 wrote to memory of 4480	1440	RdrCEF.exe	94
PID 1440 wrote to memory of 4480	1440	RdrCEF.exe	94
PID 1440 wrote to memory of 4480	1440	RdrCEF.exe	94
PID 1440 wrote to memory of 4480	1440	RdrCEF.exe	94
PID 1440 wrote to memory of 4480	1440	RdrCEF.exe	94
PID 1440 wrote to memory of 4480	1440	RdrCEF.exe	94
PID 1440 wrote to memory of 4480	1440	RdrCEF.exe	94
PID 1440 wrote to memory of 4480	1440	RdrCEF.exe	94
PID 1440 wrote to memory of 4480	1440	RdrCEF.exe	94
PID 1440 wrote to memory of 4480	1440	RdrCEF.exe	94
PID 1440 wrote to memory of 4480	1440	RdrCEF.exe	94
PID 1440 wrote to memory of 4480	1440	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\af9dff2b8af0db3a742fada213d8f9d7.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:4812
- 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:1440
- - 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=AF588DAFD09BB3BB07FE9CD91527ED4F --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3216
- - 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=8EDE3390EC54386052FC418DAE16D29E --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=8EDE3390EC54386052FC418DAE16D29E --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4480
- - 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=20386C35DB814A326A6714EB163885FE --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=20386C35DB814A326A6714EB163885FE --renderer-client-id=4 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4728
- - 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=FA33301767FAFB2683DB92B74184355A --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3388
- - 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=394F8649BE612FC5F10E5588AAC6F85D --mojo-platform-channel-handle=1852 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3180
- - 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=B72729C7BAF7B66ECC1E3D4985FBA85A --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4852

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3720

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
4fca3c8dc529a2798b7315eb4d46bce8

SHA1
e886f6b88844f362604874afd5e0f011dccb3fa8

SHA256
b524cd2dc931ecf56d24fbc12d1445441db55613a2bf43ead3a1701ea2991154

SHA512
b428b9b0ede2d51c39f3cc42426eb128245502135c49004cfc99f1a2e656bbc41c662fa510436bf96e3afb5002516dd8d3b314fdad6daa08344be0cd9bd9279f

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