f6f5516f8d9299c496874270e93b355df1b6bb1b15e58021f879ab0f7c462787

Analysis

max time kernel
142s
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
31/12/2023, 04:09

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General

Target

2792159e6d06e294fa9e2dac8de19698.pdf
Size

118KB
MD5

2792159e6d06e294fa9e2dac8de19698
SHA1

15fbf0aeca89ac621566b74f00d4ef4c34d36465
SHA256

f6f5516f8d9299c496874270e93b355df1b6bb1b15e58021f879ab0f7c462787
SHA512

0706a4907eaec7f24c2bdc92c4b5d3a1723cc3b42ebe3aebbe853c556fdaacb4813a1be1be3d6a18d7e7e8c13df964380f372ea458e6d1c3c0cbe8a53d6dc88c
SSDEEP

3072:yxAMU6Olg8NdkPYMuQilZi2f1C7mtqqE2b+:6QxWOd9RXfLK2q

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
808	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 5068	808	AcroRd32.exe	92
PID 808 wrote to memory of 5068	808	AcroRd32.exe	92
PID 808 wrote to memory of 5068	808	AcroRd32.exe	92
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 4848	5068	RdrCEF.exe	94
PID 5068 wrote to memory of 732	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 732	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 732	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 732	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 732	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 732	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 732	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 732	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 732	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 732	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 732	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 732	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 732	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 732	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 732	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 732	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 732	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 732	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 732	5068	RdrCEF.exe	93
PID 5068 wrote to memory of 732	5068	RdrCEF.exe	93

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\2792159e6d06e294fa9e2dac8de19698.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:808
- 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:5068
- - 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=DEA65A973D37281B5BB0F591178CD570 --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=DEA65A973D37281B5BB0F591178CD570 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:732
- - 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=BD2F63A40A9E4F23828B8932DDE8351A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4848
- - 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=C88B08CD5713659C55CD59478A80BA07 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4952
- - 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=5E5E449F1B8DAFD4F46F05AB6DD661A7 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2900
- - 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=50C808FA290CEDECB2A4E6936B23C640 --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=50C808FA290CEDECB2A4E6936B23C640 --renderer-client-id=6 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4788
- - 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=965A5F02C38F06E70F2CD67A08347182 --mojo-platform-channel-handle=2760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:632

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3288

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
5146346004b2a944aea21b745278c93f

SHA1
a2234a57322824e47526c267371cc5871f7eed84

SHA256
d56aadec55d719230756c215ab3b7c41a107f7d843e00b22eda9be8c571447f4

SHA512
9261da16fd9e4e441db0a9435aaa814e5dba3d0efdacf47f73e58d5dc82f7d3987065ae963fb8a869c13a807dac2834683fedfe46d6449fe60a0e749ba2a41e8

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