ec0f8ef51f17d42afe9a012af2cabe87e78a8c79fb49507a7b77691dd1b8d297

Analysis

max time kernel
145s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2024 19:18

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General

Target

545b7a085f1c2fe3e4a8438f719026d4.pdf
Size

89KB
MD5

545b7a085f1c2fe3e4a8438f719026d4
SHA1

60ed20c7529aecbfa3effc7f80dd9439d3e72062
SHA256

ec0f8ef51f17d42afe9a012af2cabe87e78a8c79fb49507a7b77691dd1b8d297
SHA512

fcf723118c09af1fa3a0fdeb8807ad27f26a8ef2ae7d3a0a7b014898b87b2f143da5c5580304cdcd2163605b074041656de775d8072ab8e1364b19afb34f1965
SSDEEP

1536:ahU1npQyTngsWdbPEEu0YsMsbXVvMkTJSVR7WCLC3Bc9WXIW4HuWUpO7QVK:5npydbMEuohbmkT4VZJkgHZ7Z

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
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4780	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4780 wrote to memory of 2004	4780	AcroRd32.exe	91
PID 4780 wrote to memory of 2004	4780	AcroRd32.exe	91
PID 4780 wrote to memory of 2004	4780	AcroRd32.exe	91
PID 4780 wrote to memory of 3224	4780	AcroRd32.exe	93
PID 4780 wrote to memory of 3224	4780	AcroRd32.exe	93
PID 4780 wrote to memory of 3224	4780	AcroRd32.exe	93
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 2992	2004	RdrCEF.exe	96
PID 2004 wrote to memory of 3956	2004	RdrCEF.exe	97
PID 2004 wrote to memory of 3956	2004	RdrCEF.exe	97
PID 2004 wrote to memory of 3956	2004	RdrCEF.exe	97
PID 2004 wrote to memory of 3956	2004	RdrCEF.exe	97
PID 2004 wrote to memory of 3956	2004	RdrCEF.exe	97
PID 2004 wrote to memory of 3956	2004	RdrCEF.exe	97
PID 2004 wrote to memory of 3956	2004	RdrCEF.exe	97
PID 2004 wrote to memory of 3956	2004	RdrCEF.exe	97
PID 2004 wrote to memory of 3956	2004	RdrCEF.exe	97
PID 2004 wrote to memory of 3956	2004	RdrCEF.exe	97
PID 2004 wrote to memory of 3956	2004	RdrCEF.exe	97
PID 2004 wrote to memory of 3956	2004	RdrCEF.exe	97
PID 2004 wrote to memory of 3956	2004	RdrCEF.exe	97
PID 2004 wrote to memory of 3956	2004	RdrCEF.exe	97
PID 2004 wrote to memory of 3956	2004	RdrCEF.exe	97
PID 2004 wrote to memory of 3956	2004	RdrCEF.exe	97
PID 2004 wrote to memory of 3956	2004	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\545b7a085f1c2fe3e4a8438f719026d4.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:4780
- 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:2004
- - 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=FAB47E1DED9534605D17494E7C041C6F --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2992
- - 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=556655BAD6DD70166207DE7A8A3ECBBC --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=556655BAD6DD70166207DE7A8A3ECBBC --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3956
- - 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=2008F151F6DAF8F7E14EE576AF22ED97 --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=2008F151F6DAF8F7E14EE576AF22ED97 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3680
- - 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=3A2AECC5FA9E1970F40982AC95FC5220 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1388
- - 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=E2ABC4DB2B77E793C1917B4130B44AD6 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5096
- - 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=43990F6340D5D6AF822BBABB81259DA9 --mojo-platform-channel-handle=2036 --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" --backgroundcolor=16514043
  2⤵
  PID:3224

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4848

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
b399d0624bd746ab880eb4d4daf2fa7b

SHA1
05d660e4667e614b722b0327bea2d1e88af68cbb

SHA256
61020d905d964250d185ecb3136c8ef071c48b4d62e7dbeedcacc59cadb5cf05

SHA512
b6ebd31a3b714327faacb26ed585dea96b68915a34c145dabc725262c5c5223d38f4091d77af50179c683ba12f411fdde2e7c82bf46a3fc0cc61e726bbd3d33f

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