58c75386a303b8588ad8b1efbb45cfaa2a0446349de535d5564f600414c698c7

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 22:05

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General

Target

b1503c33a19bb9f5cde5176012a8407e.pdf
Size

89KB
MD5

b1503c33a19bb9f5cde5176012a8407e
SHA1

fb22f9e76c5b59e2061d28ffc3fb2fead6de0bff
SHA256

58c75386a303b8588ad8b1efbb45cfaa2a0446349de535d5564f600414c698c7
SHA512

96ab9d46ecb2d83f1e725d81dca7d0d5e356d8d574a0f501a97314f36a06378706259f58b69a8ace311f2897b949afe4bf50b6711a4424d5989a8a99131026bd
SSDEEP

1536:9Cc9Whbv9LUV+btjC1Vfm3IXVIfN4wkMW7dGQ++YJzxSTrXmK/yW8pO+PWBc3DFh:F9WhbtyoGVWIFsjOdG+YfSf/d+MM/

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4432	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe
4432	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4432 wrote to memory of 3692	4432	AcroRd32.exe	93
PID 4432 wrote to memory of 3692	4432	AcroRd32.exe	93
PID 4432 wrote to memory of 3692	4432	AcroRd32.exe	93
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 1048	3692	RdrCEF.exe	94
PID 3692 wrote to memory of 4104	3692	RdrCEF.exe	95
PID 3692 wrote to memory of 4104	3692	RdrCEF.exe	95
PID 3692 wrote to memory of 4104	3692	RdrCEF.exe	95
PID 3692 wrote to memory of 4104	3692	RdrCEF.exe	95
PID 3692 wrote to memory of 4104	3692	RdrCEF.exe	95
PID 3692 wrote to memory of 4104	3692	RdrCEF.exe	95
PID 3692 wrote to memory of 4104	3692	RdrCEF.exe	95
PID 3692 wrote to memory of 4104	3692	RdrCEF.exe	95
PID 3692 wrote to memory of 4104	3692	RdrCEF.exe	95
PID 3692 wrote to memory of 4104	3692	RdrCEF.exe	95
PID 3692 wrote to memory of 4104	3692	RdrCEF.exe	95
PID 3692 wrote to memory of 4104	3692	RdrCEF.exe	95
PID 3692 wrote to memory of 4104	3692	RdrCEF.exe	95
PID 3692 wrote to memory of 4104	3692	RdrCEF.exe	95
PID 3692 wrote to memory of 4104	3692	RdrCEF.exe	95
PID 3692 wrote to memory of 4104	3692	RdrCEF.exe	95
PID 3692 wrote to memory of 4104	3692	RdrCEF.exe	95
PID 3692 wrote to memory of 4104	3692	RdrCEF.exe	95
PID 3692 wrote to memory of 4104	3692	RdrCEF.exe	95
PID 3692 wrote to memory of 4104	3692	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\b1503c33a19bb9f5cde5176012a8407e.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:4432
- 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:3692
- - 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=FB427CDCA31A372F8A76A553C0DB7768 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1048
- - 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=8FDB6FFC53B69173B606DCDE77A42D64 --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=8FDB6FFC53B69173B606DCDE77A42D64 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4104
- - 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=4F5BFA6641F24D85CF5ECDFD05193216 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3088
- - 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=2D4CDC00356D0A44E4D47D24681E3AA7 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2504
- - 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=B2754D0B28D30567B61AB3A673926AA3 --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=B2754D0B28D30567B61AB3A673926AA3 --renderer-client-id=6 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1000
- - 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=1E0DC989BA44CC691A6E47365E7675D1 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3300

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
b6bf4470e926ec11396ad9f8d96b7d6b

SHA1
153198db85981f8b45b9e8593dddb4ab9d81e78d

SHA256
eb799bb8a4e4db284d9262192d26dd9bfb06d1e8f29f3c3ef5e99378f258b1fe

SHA512
427b27d2f2327fe2f4132313497ec0a98c6f1475bf33667ab9cd9cc3c5a0f32ca63674637b8e56348b7223275e6c44d40aef3bb1b8d577d6538007edb3261226

Download Submit
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
memory/4432-26-0x000000000AE00000-0x000000000AE50000-memory.dmp

Filesize
320KB

Download