362b704c76bbc3f787f110bec6d31f50cf79cac00d8f36a48a1c0bbfa8f8b27c

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26/03/2024, 10:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

defcefa4bf46d3c0dd3f6bd64bd34655.pdf
Size

95KB
MD5

defcefa4bf46d3c0dd3f6bd64bd34655
SHA1

669545f05f01b94ad3748615c8bf2f13db751577
SHA256

362b704c76bbc3f787f110bec6d31f50cf79cac00d8f36a48a1c0bbfa8f8b27c
SHA512

7ea32abee075a2298e1f77ffb5be7de96918597ef422bf1f8123647f611d1ba93f8e67273082283354930894f04315ec7ce59ec30c2f00acaee375e42b8bd7bf
SSDEEP

1536:qD7Ry01l965JCRfJjdVv1mM59dWr9wXYzZtkXPWkNpOP1GzZ63bkJfMW2euratsk:yR7c2jL1d57WrOkP463bCfChSseyO

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4200	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe
4200	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4200 wrote to memory of 2912	4200	AcroRd32.exe	95
PID 4200 wrote to memory of 2912	4200	AcroRd32.exe	95
PID 4200 wrote to memory of 2912	4200	AcroRd32.exe	95
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 4856	2912	RdrCEF.exe	98
PID 2912 wrote to memory of 2876	2912	RdrCEF.exe	100
PID 2912 wrote to memory of 2876	2912	RdrCEF.exe	100
PID 2912 wrote to memory of 2876	2912	RdrCEF.exe	100
PID 2912 wrote to memory of 2876	2912	RdrCEF.exe	100
PID 2912 wrote to memory of 2876	2912	RdrCEF.exe	100
PID 2912 wrote to memory of 2876	2912	RdrCEF.exe	100
PID 2912 wrote to memory of 2876	2912	RdrCEF.exe	100
PID 2912 wrote to memory of 2876	2912	RdrCEF.exe	100
PID 2912 wrote to memory of 2876	2912	RdrCEF.exe	100
PID 2912 wrote to memory of 2876	2912	RdrCEF.exe	100
PID 2912 wrote to memory of 2876	2912	RdrCEF.exe	100
PID 2912 wrote to memory of 2876	2912	RdrCEF.exe	100
PID 2912 wrote to memory of 2876	2912	RdrCEF.exe	100
PID 2912 wrote to memory of 2876	2912	RdrCEF.exe	100
PID 2912 wrote to memory of 2876	2912	RdrCEF.exe	100
PID 2912 wrote to memory of 2876	2912	RdrCEF.exe	100
PID 2912 wrote to memory of 2876	2912	RdrCEF.exe	100
PID 2912 wrote to memory of 2876	2912	RdrCEF.exe	100
PID 2912 wrote to memory of 2876	2912	RdrCEF.exe	100
PID 2912 wrote to memory of 2876	2912	RdrCEF.exe	100

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\defcefa4bf46d3c0dd3f6bd64bd34655.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:4200
- 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:2912
- - 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=1F1B258D5168537C3BFD79D2C915E967 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4856
- - 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=6D1D8A13761FB6A93603B0A38B57EA6E --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=6D1D8A13761FB6A93603B0A38B57EA6E --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2876
- - 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=3A66612ED3631BD176D62B44FAA93B36 --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=3A66612ED3631BD176D62B44FAA93B36 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4004
- - 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=189AE0E3B2266C038F99F8E9A141847D --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4476
- - 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=50289E7CB673906C707F8C3E6A06EFB9 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2864
- - 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=E6ACEEA075C0069C390900A50F9E56F5 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4264

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3284

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
7599db3d0b351d0bf853735cd77d71ef

SHA1
149e0159ead089d253e336e4613b7493980c2270

SHA256
3b5e5562dbf076a567336b5de0ce06a73521905f68fc77f5fee7c9051154c9d4

SHA512
6e3349c48016bcfbd15d5bcc9852ac12338267f2f75ddcab646f7192ddc57bb732cca2dbb809ac6cb6e16437390bf51edbd4a5026170f4695b1f1aac51ccc3fa

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