47a22f0a6f1d062d3571764aa835a306aa11d467bf2e4ee1992127474ce5557f

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03-02-2024 18:44

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General

Target

8d131366257b46ff02a08a952fc91a46.pdf
Size

13KB
MD5

8d131366257b46ff02a08a952fc91a46
SHA1

87b826d95158e50a302a82873906cbc60e408022
SHA256

47a22f0a6f1d062d3571764aa835a306aa11d467bf2e4ee1992127474ce5557f
SHA512

aac3db95c9b1b67fd02494607483b46fc18025582c74268c94b24ae061b02c5f95df3e267f454ae12802e85e1f031b0218b4304ac89e36e1f675a6c2f91916d9
SSDEEP

192:5QhzajYqwAO9G+/vCmnmNTy1yJZJ0Zhrx7Rv5VCXUvQNi/60un/TwWzz3:OhzaNwAO9GiCHZLJ0ZhrrFQi/60G7wuj

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3048	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe
3048	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 3472	3048	AcroRd32.exe	97
PID 3048 wrote to memory of 3472	3048	AcroRd32.exe	97
PID 3048 wrote to memory of 3472	3048	AcroRd32.exe	97
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 4816	3472	RdrCEF.exe	98
PID 3472 wrote to memory of 1240	3472	RdrCEF.exe	99
PID 3472 wrote to memory of 1240	3472	RdrCEF.exe	99
PID 3472 wrote to memory of 1240	3472	RdrCEF.exe	99
PID 3472 wrote to memory of 1240	3472	RdrCEF.exe	99
PID 3472 wrote to memory of 1240	3472	RdrCEF.exe	99
PID 3472 wrote to memory of 1240	3472	RdrCEF.exe	99
PID 3472 wrote to memory of 1240	3472	RdrCEF.exe	99
PID 3472 wrote to memory of 1240	3472	RdrCEF.exe	99
PID 3472 wrote to memory of 1240	3472	RdrCEF.exe	99
PID 3472 wrote to memory of 1240	3472	RdrCEF.exe	99
PID 3472 wrote to memory of 1240	3472	RdrCEF.exe	99
PID 3472 wrote to memory of 1240	3472	RdrCEF.exe	99
PID 3472 wrote to memory of 1240	3472	RdrCEF.exe	99
PID 3472 wrote to memory of 1240	3472	RdrCEF.exe	99
PID 3472 wrote to memory of 1240	3472	RdrCEF.exe	99
PID 3472 wrote to memory of 1240	3472	RdrCEF.exe	99
PID 3472 wrote to memory of 1240	3472	RdrCEF.exe	99
PID 3472 wrote to memory of 1240	3472	RdrCEF.exe	99
PID 3472 wrote to memory of 1240	3472	RdrCEF.exe	99
PID 3472 wrote to memory of 1240	3472	RdrCEF.exe	99

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\8d131366257b46ff02a08a952fc91a46.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:3048
- 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:3472
- - 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=819B8D49201797FC20608E3DEE26B95C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4816
- - 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=AC669A0E2431E647021A4402CCF8C86D --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=AC669A0E2431E647021A4402CCF8C86D --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1240
- - 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=2AFE2BD05345E2C67DD4DF0EF76BCFB0 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2928
- - 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=07C72AC8056ED3647B84D0B62C536A5C --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3220
- - 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=F183D11E020F259A4C65E2EF22220595 --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=F183D11E020F259A4C65E2EF22220595 --renderer-client-id=6 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4780
- - 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=3DACE41DCFE456321960A27898292C4E --mojo-platform-channel-handle=2468 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4956

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2476

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
ed737309b7c0088fce2605d0f55a0136

SHA1
f14c7048886e08f8359ab8df0fdb435b055b1eb3

SHA256
d1d6157f042045519155c6b6014d9db93dd7cc2f7e71a53d5a191a1b0b7114d7

SHA512
dab7807acb41a3e0fc57a8cfcce66e154f830cdde4761852b34b1c838c23a6ec575cfc8218c76c41c7f03eeb8d36e15fa0b1843a06b5711320ef83fd3536a73a

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