97d7d4f7a6a997ab3e7a0cd6cdfb6f6c970860fff92d04dd6bd2591fdb169761

Analysis

max time kernel
176s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 11:26

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General

Target

171a4b29fe47d615a17e118f180cba9a.pdf
Size

66KB
MD5

171a4b29fe47d615a17e118f180cba9a
SHA1

09bf51baa983409d0381d6cae647fb1fc13e0e17
SHA256

97d7d4f7a6a997ab3e7a0cd6cdfb6f6c970860fff92d04dd6bd2591fdb169761
SHA512

6baebb3402fb36d02b7a03cb975ee60f36c1d436088a02385c9eaf0ce52961628d90f8db1dccfdf4e07f77dc65f81a9fa2e198b680b2b3ef72cb2639730f2237
SSDEEP

1536:fBtNzyTHbvRVXAWyFTqCkZJH+oOPPU4LA4Yh9Lva5:ZtpCNyWyFTvkZJMdOB4

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
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
464	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 4216	464	AcroRd32.exe	93
PID 464 wrote to memory of 4216	464	AcroRd32.exe	93
PID 464 wrote to memory of 4216	464	AcroRd32.exe	93
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 1840	4216	RdrCEF.exe	96
PID 4216 wrote to memory of 5004	4216	RdrCEF.exe	97
PID 4216 wrote to memory of 5004	4216	RdrCEF.exe	97
PID 4216 wrote to memory of 5004	4216	RdrCEF.exe	97
PID 4216 wrote to memory of 5004	4216	RdrCEF.exe	97
PID 4216 wrote to memory of 5004	4216	RdrCEF.exe	97
PID 4216 wrote to memory of 5004	4216	RdrCEF.exe	97
PID 4216 wrote to memory of 5004	4216	RdrCEF.exe	97
PID 4216 wrote to memory of 5004	4216	RdrCEF.exe	97
PID 4216 wrote to memory of 5004	4216	RdrCEF.exe	97
PID 4216 wrote to memory of 5004	4216	RdrCEF.exe	97
PID 4216 wrote to memory of 5004	4216	RdrCEF.exe	97
PID 4216 wrote to memory of 5004	4216	RdrCEF.exe	97
PID 4216 wrote to memory of 5004	4216	RdrCEF.exe	97
PID 4216 wrote to memory of 5004	4216	RdrCEF.exe	97
PID 4216 wrote to memory of 5004	4216	RdrCEF.exe	97
PID 4216 wrote to memory of 5004	4216	RdrCEF.exe	97
PID 4216 wrote to memory of 5004	4216	RdrCEF.exe	97
PID 4216 wrote to memory of 5004	4216	RdrCEF.exe	97
PID 4216 wrote to memory of 5004	4216	RdrCEF.exe	97
PID 4216 wrote to memory of 5004	4216	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\171a4b29fe47d615a17e118f180cba9a.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:464
- 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:4216
- - 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=DB34FD83F87CEE2E9219DCA8293A7620 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1840
- - 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=68E22E5487C6490DBCA6C697C59D7C68 --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=68E22E5487C6490DBCA6C697C59D7C68 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5004
- - 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=46E2122FB4CC9AEF6FEE124543A579E5 --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=46E2122FB4CC9AEF6FEE124543A579E5 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3584
- - 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=68ABBDA947176BADD650EAABADE9AB42 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:736
- - 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=FB886F0A8C862DD3D098B598C540D129 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4208
- - 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=8B393CC9FF75E0B50E53C776A3C82FE5 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3152

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3324

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
95e5b98ba25074f7e9269c78ed473dc3

SHA1
f91fa48522512cf842c7c6d728b1db4f1604ee42

SHA256
c0a30a32aff54ae962e5860b9c32de0d3e6b7d511f56ef3bbe1529bbe4b2490d

SHA512
e8b1ec298cce61b368cee85c29fd7c677650cbdff5b7a19b52d0c60bf9effd2adce997322717351e6f842814090b5ea61ed6f6dd249158e43a93f15acd870344

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