8d57716683a318de875d15df308e773c3875bd44b260bb2df35b9b3ca339e645

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 21:09

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General

Target

660b128d1eccfbd8e6dff1b77f525cba.pdf
Size

77KB
MD5

660b128d1eccfbd8e6dff1b77f525cba
SHA1

817d83611da71f3cc7023d12622a4dcdefb75bc9
SHA256

8d57716683a318de875d15df308e773c3875bd44b260bb2df35b9b3ca339e645
SHA512

d4b01ddf2255d9f1dd7206b5b84ef5e820e1024937b97f3d67321591ef9c2131005b15614ebe2fa1ab2e4033c222e84664e2343d22088067974a87df06e3453d
SSDEEP

1536:Tl0Ui4J2VMyuuIWFZM8eqvqsWOpOaZEWx6Pqjjsxwk:RDi4HDCi81vqpaZAPqvA

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1392	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe
1392	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 4880	1392	AcroRd32.exe	92
PID 1392 wrote to memory of 4880	1392	AcroRd32.exe	92
PID 1392 wrote to memory of 4880	1392	AcroRd32.exe	92
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1688	4880	RdrCEF.exe	93
PID 4880 wrote to memory of 1528	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 1528	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 1528	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 1528	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 1528	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 1528	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 1528	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 1528	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 1528	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 1528	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 1528	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 1528	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 1528	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 1528	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 1528	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 1528	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 1528	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 1528	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 1528	4880	RdrCEF.exe	94
PID 4880 wrote to memory of 1528	4880	RdrCEF.exe	94

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\660b128d1eccfbd8e6dff1b77f525cba.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:1392
- 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:4880
- - 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=B539BDE4A7908422A3F4C258ECE2522D --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1688
- - 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=B976E036796D495EC46A8880163E128B --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=B976E036796D495EC46A8880163E128B --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1528
- - 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=2B4F77C499A2874A746C71FB013EB8CB --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=2B4F77C499A2874A746C71FB013EB8CB --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3516
- - 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=24A3D9CF52BB17BC4CEDF84EAF0B2C57 --mojo-platform-channel-handle=2216 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4136
- - 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=A72D0F8009DC6953862CDD9B02863450 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:116
- - 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=B6445782794B76AECCE5A22269675DFA --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4984

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1596

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
a0fba2d5f4009cfe351d6ec71d5665f6

SHA1
2c296fb0d958e0fecd553b4fa10b5088e31f260f

SHA256
9eb3a2fd36e7c02c4ca6cdd79044a668d70f61e2fa923c3bdfc79298c7526864

SHA512
c34e6b8e120c7e505c957dc7c0a2abef3ce5da072d4a4253634c69693a70dd7d43ce2fa89604d80b7807621d24826ee1ac6e24c38bd518aade3e820048240b05

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