38ad56f0e219c41972e956ca422e9c894ab9361708a61cb9af758fcb6dbcc374

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27/02/2024, 22:24

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General

Target

aa4f4694165bffad3bb79b9231b200fe.pdf
Size

34KB
MD5

aa4f4694165bffad3bb79b9231b200fe
SHA1

7c89a166d091b195319bfb2b50adc2b3983191a7
SHA256

38ad56f0e219c41972e956ca422e9c894ab9361708a61cb9af758fcb6dbcc374
SHA512

22b64294686e152cc7089474be322590235ed200939ce4b25ab20965a951c560069d85fd9507f2ca266900d89edeb05186674110a4b57239c0ebc6796703b4f7
SSDEEP

768:lvOx5re5m3kStM8yFh4PXK1ILqZe7ugH9SWEMDxyBFSg6i:l2x5C5m3dM82OvKyLqUCgdNEcsBUg6i

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4796	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 2856	4796	AcroRd32.exe	97
PID 4796 wrote to memory of 2856	4796	AcroRd32.exe	97
PID 4796 wrote to memory of 2856	4796	AcroRd32.exe	97
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 2692	2856	RdrCEF.exe	98
PID 2856 wrote to memory of 3768	2856	RdrCEF.exe	99
PID 2856 wrote to memory of 3768	2856	RdrCEF.exe	99
PID 2856 wrote to memory of 3768	2856	RdrCEF.exe	99
PID 2856 wrote to memory of 3768	2856	RdrCEF.exe	99
PID 2856 wrote to memory of 3768	2856	RdrCEF.exe	99
PID 2856 wrote to memory of 3768	2856	RdrCEF.exe	99
PID 2856 wrote to memory of 3768	2856	RdrCEF.exe	99
PID 2856 wrote to memory of 3768	2856	RdrCEF.exe	99
PID 2856 wrote to memory of 3768	2856	RdrCEF.exe	99
PID 2856 wrote to memory of 3768	2856	RdrCEF.exe	99
PID 2856 wrote to memory of 3768	2856	RdrCEF.exe	99
PID 2856 wrote to memory of 3768	2856	RdrCEF.exe	99
PID 2856 wrote to memory of 3768	2856	RdrCEF.exe	99
PID 2856 wrote to memory of 3768	2856	RdrCEF.exe	99
PID 2856 wrote to memory of 3768	2856	RdrCEF.exe	99
PID 2856 wrote to memory of 3768	2856	RdrCEF.exe	99
PID 2856 wrote to memory of 3768	2856	RdrCEF.exe	99
PID 2856 wrote to memory of 3768	2856	RdrCEF.exe	99
PID 2856 wrote to memory of 3768	2856	RdrCEF.exe	99
PID 2856 wrote to memory of 3768	2856	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\aa4f4694165bffad3bb79b9231b200fe.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:4796
- 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: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=B76531AE2DFCDBF8174FAA03B85B4551 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2692
- - 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=B46CF18D696A3BA9C81C51CFF683C898 --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=B46CF18D696A3BA9C81C51CFF683C898 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3768
- - 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=1A72FA9F3DDE5C8774CF5D3D5BE9BB10 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4920
- - 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=5E62B0693D3A5FD2FAE07A01A555ABCB --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3868
- - 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=BFEB1A8B0AA0ADE79D4B6444F01D3765 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1616
- - 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=6CC7D3EC6AAF760803CCF56F8526F5D6 --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=6CC7D3EC6AAF760803CCF56F8526F5D6 --renderer-client-id=7 --mojo-platform-channel-handle=2452 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2072

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1648

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
ad9c2632d66e38c8b30a00ad0dd6d574

SHA1
cd45eb71055a6fa0ab950a48b72d3de6a4428833

SHA256
221897c98ca8bef498deda134d72a80e25526e92a1fcca365cf3b5dcfd5d39f8

SHA512
953609f249a4350e7edbbbaa519ad2ebd0c26e956af66ca648250ba3160d25d6cc348937fdd49947dfb45558ef9b7f7abb8be2fc469b4c16aacdb18605f89e4c

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