1b7ebc9464705ade62ba9b3a2174b1221241bd4965379b3b3cca8dab4cadc4b7

Analysis

max time kernel
140s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 06:12

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General

Target

2b53b28df07004b29d9e96997db5defc.pdf
Size

37KB
MD5

2b53b28df07004b29d9e96997db5defc
SHA1

270e86398ce2057ca3bef14bf9a24996d7801b08
SHA256

1b7ebc9464705ade62ba9b3a2174b1221241bd4965379b3b3cca8dab4cadc4b7
SHA512

9ed043d5cb5824fd23ef73787218cf858a14997b2968d4789542202f3beb1a60c95567e8e1c4cdad1b24574b4fd26261f290b0fa80b1c731748ad10404bee6f6
SSDEEP

768:LmCr1DQmYX1vB+MBqSruH1LTjsHgLpWauhCd/4ImRyV4Y:VDFYqMVruH1fjsHgVWXhCd4I9V4Y

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
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3796	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe
3796	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3796 wrote to memory of 2928	3796	AcroRd32.exe	91
PID 3796 wrote to memory of 2928	3796	AcroRd32.exe	91
PID 3796 wrote to memory of 2928	3796	AcroRd32.exe	91
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2684	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 1924	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 1924	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 1924	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 1924	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 1924	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 1924	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 1924	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 1924	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 1924	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 1924	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 1924	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 1924	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 1924	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 1924	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 1924	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 1924	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 1924	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 1924	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 1924	2928	RdrCEF.exe	92
PID 2928 wrote to memory of 1924	2928	RdrCEF.exe	92

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\2b53b28df07004b29d9e96997db5defc.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:3796
- 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:2928
- - 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=AA4F2C7BC6DB05EE28E967E54DDECD0C --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=AA4F2C7BC6DB05EE28E967E54DDECD0C --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1924
- - 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=7B595A89FD683A963E28A1E42C745622 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2684
- - 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=4C60A1ABA802D049AE615E47D91B4C82 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4820
- - 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=1FB1CFAE601421AC471A174783E6CAA6 --mojo-platform-channel-handle=1900 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1632
- - 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=D278F4B9FFDCB9D313C709088EF8218A --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3024
- - 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=D3A17510F99FC722650DE79A4CCBAB88 --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=D3A17510F99FC722650DE79A4CCBAB88 --renderer-client-id=7 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3064

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2740

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
71876f8dcf545ed4e6891044d5135b6e

SHA1
971a53b37709c7413cd132c674018ea3cc3e8a48

SHA256
25fe9e968b7f68662de2634f6c30fcb1fd7803be2d133816f2bb79a860ee1411

SHA512
41b754dbd58c73baa4cbf7bfa66924336ad05c0f6daa68bb5f51c1e4ef391619c6e8bb2e5722bdd56e5228f5505e2af3a50d89be06c7aedffab4d9ff55b77bbb

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
memory/3796-28-0x000000000A2B0000-0x000000000A2D1000-memory.dmp

Filesize
132KB

Download
memory/3796-26-0x000000000A2B0000-0x000000000A300000-memory.dmp

Filesize
320KB

Download