5ab0f3b2d88b4ed952fb5d9d90658b647d0e5434d37ce74c425b7e862273aedc

Analysis

max time kernel
142s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 15:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d296c8db905b1c4d1fe286ff6bd2851a.pdf
Size

74KB
MD5

d296c8db905b1c4d1fe286ff6bd2851a
SHA1

8bdf966061e79d81a20dc9db090d8d010c0c90e2
SHA256

5ab0f3b2d88b4ed952fb5d9d90658b647d0e5434d37ce74c425b7e862273aedc
SHA512

4231eb475b7cc5e34c1e23923a6c96dc04854c9f972f50c9979e2bbfe8e3142ecfd14fbe32faa91792f30f4a5063972eadc0047ec8734551e2b1a3c74343a5ce
SSDEEP

1536:z7BwexOVkiKE1+MWaXXEIg6MnmG91zuxolVgm0fCRcYzJH:RO7KEKaXNgV59wxoxMCRcYV

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4776	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4776 wrote to memory of 2840	4776	AcroRd32.exe	95
PID 4776 wrote to memory of 2840	4776	AcroRd32.exe	95
PID 4776 wrote to memory of 2840	4776	AcroRd32.exe	95
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 368	2840	RdrCEF.exe	96
PID 2840 wrote to memory of 4952	2840	RdrCEF.exe	97
PID 2840 wrote to memory of 4952	2840	RdrCEF.exe	97
PID 2840 wrote to memory of 4952	2840	RdrCEF.exe	97
PID 2840 wrote to memory of 4952	2840	RdrCEF.exe	97
PID 2840 wrote to memory of 4952	2840	RdrCEF.exe	97
PID 2840 wrote to memory of 4952	2840	RdrCEF.exe	97
PID 2840 wrote to memory of 4952	2840	RdrCEF.exe	97
PID 2840 wrote to memory of 4952	2840	RdrCEF.exe	97
PID 2840 wrote to memory of 4952	2840	RdrCEF.exe	97
PID 2840 wrote to memory of 4952	2840	RdrCEF.exe	97
PID 2840 wrote to memory of 4952	2840	RdrCEF.exe	97
PID 2840 wrote to memory of 4952	2840	RdrCEF.exe	97
PID 2840 wrote to memory of 4952	2840	RdrCEF.exe	97
PID 2840 wrote to memory of 4952	2840	RdrCEF.exe	97
PID 2840 wrote to memory of 4952	2840	RdrCEF.exe	97
PID 2840 wrote to memory of 4952	2840	RdrCEF.exe	97
PID 2840 wrote to memory of 4952	2840	RdrCEF.exe	97
PID 2840 wrote to memory of 4952	2840	RdrCEF.exe	97
PID 2840 wrote to memory of 4952	2840	RdrCEF.exe	97
PID 2840 wrote to memory of 4952	2840	RdrCEF.exe	97

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\d296c8db905b1c4d1fe286ff6bd2851a.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:4776
- 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:2840
- - 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=C3A37245ACA86B832EBE9540B115DD0F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:368
- - 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=529E1039DA9C0C7A516E5A38A859670B --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=529E1039DA9C0C7A516E5A38A859670B --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4952
- - 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=843E0638CA91DF4CF37E5C4B77150F13 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:964
- - 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=08FEB497E832FCE19FB818D507D22820 --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=08FEB497E832FCE19FB818D507D22820 --renderer-client-id=5 --mojo-platform-channel-handle=1872 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1420
- - 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=B4462B943D9269F841B97C99DC1533A2 --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3704
- - 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=7D5CDAF270C312953777D1DF124260B9 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1064

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1352

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
315398a7bed747b64bd1eb2842a8b2c4

SHA1
98ef4a8e6a72fa10a5abbeb725d359a08f3d9b8e

SHA256
52071395fdedc10095a8e81007513ad3c68df377b2eec5914aefed95d9d8c7c9

SHA512
7dba7d53ec46b96505b1f05b06c41f7999347f585356264893507b2d5c553ec25802a473ce50e6173a173fe0b2b740442577f4044207acabc4c16cc1d0567a66

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