64c1ec3e6a992ed3da35b344fae5ba885844ac14b7f5b00cd0133edc066b78ac

Analysis

max time kernel
16s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
06-01-2024 17:08

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General

Target

46c1b77eeff9e24c715db7836b9e4c7d.pdf
Size

88KB
MD5

46c1b77eeff9e24c715db7836b9e4c7d
SHA1

36df3bbe28bfde3f820921dec6d5eaaab55026f0
SHA256

64c1ec3e6a992ed3da35b344fae5ba885844ac14b7f5b00cd0133edc066b78ac
SHA512

0e796d1d4730f3844ec66276fd1ea3917485e5f1f585f207a8adeaf1b5638ea37f4cafe1470e831eba5b362c137b5361b5e658d4423efd0fa194e99577553bfb
SSDEEP

1536:4QtihHkXrNwIXSejqVUnCSlSbNG2CCDP2cU+WbCt97X2q15fhWkNpOPaWILyFKeu:btiBGaeSeGUnCS4N2CDP2chWb6iqeP+5

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
888	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe
888	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 888 wrote to memory of 3696	888	AcroRd32.exe	91
PID 888 wrote to memory of 3696	888	AcroRd32.exe	91
PID 888 wrote to memory of 3696	888	AcroRd32.exe	91
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 4940	3696	RdrCEF.exe	93
PID 3696 wrote to memory of 1108	3696	RdrCEF.exe	92
PID 3696 wrote to memory of 1108	3696	RdrCEF.exe	92
PID 3696 wrote to memory of 1108	3696	RdrCEF.exe	92
PID 3696 wrote to memory of 1108	3696	RdrCEF.exe	92
PID 3696 wrote to memory of 1108	3696	RdrCEF.exe	92
PID 3696 wrote to memory of 1108	3696	RdrCEF.exe	92
PID 3696 wrote to memory of 1108	3696	RdrCEF.exe	92
PID 3696 wrote to memory of 1108	3696	RdrCEF.exe	92
PID 3696 wrote to memory of 1108	3696	RdrCEF.exe	92
PID 3696 wrote to memory of 1108	3696	RdrCEF.exe	92
PID 3696 wrote to memory of 1108	3696	RdrCEF.exe	92
PID 3696 wrote to memory of 1108	3696	RdrCEF.exe	92
PID 3696 wrote to memory of 1108	3696	RdrCEF.exe	92
PID 3696 wrote to memory of 1108	3696	RdrCEF.exe	92
PID 3696 wrote to memory of 1108	3696	RdrCEF.exe	92
PID 3696 wrote to memory of 1108	3696	RdrCEF.exe	92
PID 3696 wrote to memory of 1108	3696	RdrCEF.exe	92
PID 3696 wrote to memory of 1108	3696	RdrCEF.exe	92
PID 3696 wrote to memory of 1108	3696	RdrCEF.exe	92
PID 3696 wrote to memory of 1108	3696	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\46c1b77eeff9e24c715db7836b9e4c7d.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:888
- 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:3696
- - 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=9C34FE7AA786B9F2BCFE6B9634567703 --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=9C34FE7AA786B9F2BCFE6B9634567703 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1108
- - 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=5328D28A95DFB15ABB02BCE657FF709A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4940
- - 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=8691E9B698141615C92F52BE18F2CAD7 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2576
- - 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=4EF00B252E7400AEB4ED146FA17C2ED2 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4420
- - 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=9ABB78CF5AF10C1D139E6453ED6FD10E --mojo-platform-channel-handle=2512 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3032
- - 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=847AC60DA8BC43DDB5CB02D0D03712DB --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=847AC60DA8BC43DDB5CB02D0D03712DB --renderer-client-id=8 --mojo-platform-channel-handle=2400 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3812

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2796

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
e5b675d10edf492bbadd5214e0265126

SHA1
ddba7a691265ce2054388bace7abe84dac717c5c

SHA256
39e3f1119d2e7fe35709e79b5fbc354a2002842f92929743022046cf6c9f84ce

SHA512
021db2f1edf131ae21102d823c2cf95f35e57b751d94de8117784ce8990ea50e38f3c22a37901b1339a7e7414fa7f126fbfd99f88b9293a3f3e6688a97cdd86f

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/888-28-0x000000000B8A0000-0x000000000B8C1000-memory.dmp

Filesize
132KB

Download