9959a2883dccbf123656dfeb1f5ff608e398c197fcc0a626fe2ee2dadfa231e3

Analysis

max time kernel
143s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 02:52

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General

Target
253a5641c818bedbc635fd4b158324a4.pdf
Size 86KB
Sample231231-dcr5nadfb2
SHA256 9959a2883dccbf123656dfeb1f5ff608e398c197fcc0a626fe2ee2dadfa231e3
MD5 253a5641c818bedbc635fd4b158324a4
SHA1 5a152508d9e160d4ea2de3011250b7c7c06c20f0
SHA512 552ddfb3d2b4fb80c42a01fd23e3f89130d09790cb8d3cf8adb5db9681a1d500bee7017ae0fe8ae3daecdbc96bc71e1caa9f49edd220ad2d03d2a195a60970e7
SSDEEP 384:B3vNi7q9XlCLkCKwoCsU51od0kNCRxCjwIMI7wI4CrSeqblZf5CCWNvCKMvl62bO:HH
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5048	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe
5048	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5048 wrote to memory of 3532	5048	AcroRd32.exe	91
PID 5048 wrote to memory of 3532	5048	AcroRd32.exe	91
PID 5048 wrote to memory of 3532	5048	AcroRd32.exe	91
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 2548	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 4708	3532	RdrCEF.exe	95
PID 3532 wrote to memory of 4708	3532	RdrCEF.exe	95
PID 3532 wrote to memory of 4708	3532	RdrCEF.exe	95
PID 3532 wrote to memory of 4708	3532	RdrCEF.exe	95
PID 3532 wrote to memory of 4708	3532	RdrCEF.exe	95
PID 3532 wrote to memory of 4708	3532	RdrCEF.exe	95
PID 3532 wrote to memory of 4708	3532	RdrCEF.exe	95
PID 3532 wrote to memory of 4708	3532	RdrCEF.exe	95
PID 3532 wrote to memory of 4708	3532	RdrCEF.exe	95
PID 3532 wrote to memory of 4708	3532	RdrCEF.exe	95
PID 3532 wrote to memory of 4708	3532	RdrCEF.exe	95
PID 3532 wrote to memory of 4708	3532	RdrCEF.exe	95
PID 3532 wrote to memory of 4708	3532	RdrCEF.exe	95
PID 3532 wrote to memory of 4708	3532	RdrCEF.exe	95
PID 3532 wrote to memory of 4708	3532	RdrCEF.exe	95
PID 3532 wrote to memory of 4708	3532	RdrCEF.exe	95
PID 3532 wrote to memory of 4708	3532	RdrCEF.exe	95
PID 3532 wrote to memory of 4708	3532	RdrCEF.exe	95

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\253a5641c818bedbc635fd4b158324a4.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:5048
- 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:3532
- - 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=0EF9FF4D68E0B14C99FE0DAFB5E29AB1 --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=0EF9FF4D68E0B14C99FE0DAFB5E29AB1 --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2548
- - 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=2FE2A32921473295BB6AC175DA2CCFD9 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4708
- - 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=0EEB64B8A24728AF85644BBEF3C0D950 --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=0EEB64B8A24728AF85644BBEF3C0D950 --renderer-client-id=4 --mojo-platform-channel-handle=2356 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3904
- - 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=DC6C128781C1C8095FCCB681D0A74673 --mojo-platform-channel-handle=2716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3012
- - 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=837836F177444CD05A91FA210274F529 --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4844
- - 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=E467B4EFC55D46F056D3E52191E824DE --mojo-platform-channel-handle=1988 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1364

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2244

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 700aeecdc06d7e8ff94157ece19e448ed0db8809f218e57942d4ab4a3d657b72
MD5 987f110c9a4a7be2fdc1baca15bf7463
SHA1 5b744af5f34d5cb6eaf8c439ea3138aab5dde73b
SHA512 0de79f3d2d1f74b450757f8ecac88b9327c8f3c3f4f4a9d3ee3744142deb776cd2289bae1cecfbbd995f561d8e3fb33e9731b81e44ed08872e1b1b50ca4e6e84
SSDEEP 384:yeNdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:E+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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