3403f43685eb4f7677d1d18cea9c35dfb3d9249b4fef90d3b18b7ce4286d7ed2

Analysis

max time kernel
149s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2024, 18:52

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General

Target

41a582cd6574971f092d074b76a96b4d.pdf
Size

81KB
MD5

41a582cd6574971f092d074b76a96b4d
SHA1

124432657d794f1179a5dd05d2f621264f211872
SHA256

3403f43685eb4f7677d1d18cea9c35dfb3d9249b4fef90d3b18b7ce4286d7ed2
SHA512

11a2c7d488f9db0db2c4c28839a4fd54e0ba90e57576f939070d044b153cca0e55d7796489a85b0d724d7ba05a1f18d618b12dc9827ae8906c45fa40ac6439c3
SSDEEP

1536:RBUQlvlx1jAsyquBEgeZNZCnFLQ3KzndI4fJBSXsWGpOKZB4Z+dWMrbK9MDb4:fUQXx1xuCgUNyJQendI4fX6RKZBY+vry

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1120	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe
1120	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 184	1120	AcroRd32.exe	94
PID 1120 wrote to memory of 184	1120	AcroRd32.exe	94
PID 1120 wrote to memory of 184	1120	AcroRd32.exe	94
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 2964	184	RdrCEF.exe	96
PID 184 wrote to memory of 1824	184	RdrCEF.exe	95
PID 184 wrote to memory of 1824	184	RdrCEF.exe	95
PID 184 wrote to memory of 1824	184	RdrCEF.exe	95
PID 184 wrote to memory of 1824	184	RdrCEF.exe	95
PID 184 wrote to memory of 1824	184	RdrCEF.exe	95
PID 184 wrote to memory of 1824	184	RdrCEF.exe	95
PID 184 wrote to memory of 1824	184	RdrCEF.exe	95
PID 184 wrote to memory of 1824	184	RdrCEF.exe	95
PID 184 wrote to memory of 1824	184	RdrCEF.exe	95
PID 184 wrote to memory of 1824	184	RdrCEF.exe	95
PID 184 wrote to memory of 1824	184	RdrCEF.exe	95
PID 184 wrote to memory of 1824	184	RdrCEF.exe	95
PID 184 wrote to memory of 1824	184	RdrCEF.exe	95
PID 184 wrote to memory of 1824	184	RdrCEF.exe	95
PID 184 wrote to memory of 1824	184	RdrCEF.exe	95
PID 184 wrote to memory of 1824	184	RdrCEF.exe	95
PID 184 wrote to memory of 1824	184	RdrCEF.exe	95
PID 184 wrote to memory of 1824	184	RdrCEF.exe	95
PID 184 wrote to memory of 1824	184	RdrCEF.exe	95
PID 184 wrote to memory of 1824	184	RdrCEF.exe	95

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\41a582cd6574971f092d074b76a96b4d.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:1120
- 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:184
- - 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=9D097E9F390C51596F9F3F44BD8DC1B9 --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=9D097E9F390C51596F9F3F44BD8DC1B9 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1824
- - 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=B29C232F26695A2C776EEAF4E68EA287 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2964
- - 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=F753B6863D7EF6712F427DF52788014E --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2696
- - 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=8B79DC804B013EDFEB8498EBE83011C6 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4824
- - 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=B9F94AA618BCD2477BC1C0D05ED63141 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3468
- - 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=B168100AA5698A363354FDF7364CF6C8 --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=B168100AA5698A363354FDF7364CF6C8 --renderer-client-id=6 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:736

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4132

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

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Downloads

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

Filesize
64KB

MD5
d7b34479cca453a1190e57956f1d31df

SHA1
b3c4fc3f6371dda43c149a9fcb8958fe49ddeea0

SHA256
a7623538ff36ff90718df7e8be9d43a5aec0bf37f44adace9f3c7f2e8c6d97c0

SHA512
05c3dd6ad1b73a251e5ce2fe07b78067e555be73fef8b686bc35a4732d31c7c191f6e24f6fb2cd007c0ddbaf433adfa8465d6b2f1b975ecb73b6017c8c638b18

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit