bc887d2b464f0b656ce2b33c6573088a2d8b8a8d168ed105752fdd4c6076d6de

Analysis

max time kernel
140s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
13/06/2023, 23:00

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General

Target

Docs_Request_06(188).pdf
Size

44KB
MD5

dd81d22bd51d31964fc745ed65f2fb39
SHA1

f547272c2c7f8cf0672a64d74ed05969243fcaaa
SHA256

bc887d2b464f0b656ce2b33c6573088a2d8b8a8d168ed105752fdd4c6076d6de
SHA512

3a6749a55cf25577f349ae8ac92246612aed88168c98092861c970d53a1283968a6781096ad63852167c2dc37909c73cdde78b113a37aeeae1352b9a3ffb4e06
SSDEEP

768:Cl2xGp7LsPaxHefgxpBQP27OndufSwrrRfB+vU8AU:HGp7LsPaxHeb27OySwrrRppU

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-1-5-21-1675742406-747946869-1029867430-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
736	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 736 wrote to memory of 1020	736	AcroRd32.exe	84
PID 736 wrote to memory of 1020	736	AcroRd32.exe	84
PID 736 wrote to memory of 1020	736	AcroRd32.exe	84
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 4852	1020	RdrCEF.exe	85
PID 1020 wrote to memory of 2300	1020	RdrCEF.exe	86
PID 1020 wrote to memory of 2300	1020	RdrCEF.exe	86
PID 1020 wrote to memory of 2300	1020	RdrCEF.exe	86
PID 1020 wrote to memory of 2300	1020	RdrCEF.exe	86
PID 1020 wrote to memory of 2300	1020	RdrCEF.exe	86
PID 1020 wrote to memory of 2300	1020	RdrCEF.exe	86
PID 1020 wrote to memory of 2300	1020	RdrCEF.exe	86
PID 1020 wrote to memory of 2300	1020	RdrCEF.exe	86
PID 1020 wrote to memory of 2300	1020	RdrCEF.exe	86
PID 1020 wrote to memory of 2300	1020	RdrCEF.exe	86
PID 1020 wrote to memory of 2300	1020	RdrCEF.exe	86
PID 1020 wrote to memory of 2300	1020	RdrCEF.exe	86
PID 1020 wrote to memory of 2300	1020	RdrCEF.exe	86
PID 1020 wrote to memory of 2300	1020	RdrCEF.exe	86
PID 1020 wrote to memory of 2300	1020	RdrCEF.exe	86
PID 1020 wrote to memory of 2300	1020	RdrCEF.exe	86
PID 1020 wrote to memory of 2300	1020	RdrCEF.exe	86
PID 1020 wrote to memory of 2300	1020	RdrCEF.exe	86
PID 1020 wrote to memory of 2300	1020	RdrCEF.exe	86
PID 1020 wrote to memory of 2300	1020	RdrCEF.exe	86

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\Docs_Request_06(188).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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1020
- - 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=BDABAD85B113D61A4F84F91EEC6E10B2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4852
- - 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=FB457661DD92ECAF0987F040E9F868B8 --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=2 --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=FB457661DD92ECAF0987F040E9F868B8 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2300
- - 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=9FF9D4C11B3BA95697784885AAC37FBE --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1316
- - 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=A8481DAF5C6F78A5391B291CFAE13326 --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=2 --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=A8481DAF5C6F78A5391B291CFAE13326 --renderer-client-id=5 --mojo-platform-channel-handle=2012 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:988
- - 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=249FBDC2A4416973F9361C9177949C97 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4012
- - 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=AB8C3DEEB2E1B27F0D60497BFCA38F02 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1292

Network

MITRE ATT&CK Enterprise v6

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

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Downloads

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
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
3629e083d911c1563e8c33afe6acc442

SHA1
b3b792caeba90fdad1adc8295225a506f87c9451

SHA256
6e83afe8e251cf876baa4476d0e5814cb2e24d10b60ff02ef22cd9b61bb25bb5

SHA512
6d483252eaf09c50b8005bd205ac1be85e48bac257df5d689096f4c6b340cd00759394f0ec8546927102f9fcc0b011e07460cb143074a098d8504ae8aa6d240d

Download Submit