91bc2b059210750d5498427d83454ef393ec845a49b987ffb66f4e5844037420

Analysis

max time kernel
151s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 11:26

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General

Target

b4965a126e23befee91feb0709817e88.pdf
Size

89KB
MD5

b4965a126e23befee91feb0709817e88
SHA1

483ced76f9ffcbb19d4243890ab34b7b93a7db9f
SHA256

91bc2b059210750d5498427d83454ef393ec845a49b987ffb66f4e5844037420
SHA512

dd029d9c30472bc728592c1dfdb28f9486d416129e67da2b412605d1ed21c89e3cc958071023714e5123701dd2ffdfe6f73172899c643210fd148323e3f92981
SSDEEP

1536:drT1IB0xSsmaOdkl+eQsRpzcHw/9UqBasd7sZmeYMY+PsktWb7lLproJWUpO7bOd:nIB0xqSl+Pex/9U01dAMe1YrkYFos7bS

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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
116	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe
116	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 116 wrote to memory of 1256	116	AcroRd32.exe	91
PID 116 wrote to memory of 1256	116	AcroRd32.exe	91
PID 116 wrote to memory of 1256	116	AcroRd32.exe	91
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 1276	1256	RdrCEF.exe	94
PID 1256 wrote to memory of 3676	1256	RdrCEF.exe	95
PID 1256 wrote to memory of 3676	1256	RdrCEF.exe	95
PID 1256 wrote to memory of 3676	1256	RdrCEF.exe	95
PID 1256 wrote to memory of 3676	1256	RdrCEF.exe	95
PID 1256 wrote to memory of 3676	1256	RdrCEF.exe	95
PID 1256 wrote to memory of 3676	1256	RdrCEF.exe	95
PID 1256 wrote to memory of 3676	1256	RdrCEF.exe	95
PID 1256 wrote to memory of 3676	1256	RdrCEF.exe	95
PID 1256 wrote to memory of 3676	1256	RdrCEF.exe	95
PID 1256 wrote to memory of 3676	1256	RdrCEF.exe	95
PID 1256 wrote to memory of 3676	1256	RdrCEF.exe	95
PID 1256 wrote to memory of 3676	1256	RdrCEF.exe	95
PID 1256 wrote to memory of 3676	1256	RdrCEF.exe	95
PID 1256 wrote to memory of 3676	1256	RdrCEF.exe	95
PID 1256 wrote to memory of 3676	1256	RdrCEF.exe	95
PID 1256 wrote to memory of 3676	1256	RdrCEF.exe	95
PID 1256 wrote to memory of 3676	1256	RdrCEF.exe	95
PID 1256 wrote to memory of 3676	1256	RdrCEF.exe	95
PID 1256 wrote to memory of 3676	1256	RdrCEF.exe	95
PID 1256 wrote to memory of 3676	1256	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\b4965a126e23befee91feb0709817e88.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:116
- 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:1256
- - 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=05613EEE7900E7061AB5AABDEE39B285 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1276
- - 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=74CC87C9A59F7B654D970FD89D611977 --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=74CC87C9A59F7B654D970FD89D611977 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3676
- - 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=9A75115C7EB19757B9E5A15052916FED --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=9A75115C7EB19757B9E5A15052916FED --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4068
- - 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=6D524E86912ADA5B5270BFE5749FCA7F --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4264
- - 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=1DCE0B35515970B9528F729EA8405A63 --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2268
- - 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=604309590058912AD5B2AB830559C22D --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5008

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4496

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
a13feb0ff86c2529ff80c5f856b904ad

SHA1
d33fb2c068d00e9da7d149a8f0206c4b23200539

SHA256
1cf5a59e835e21f150d706d6469bec9158ff75bffbb148b27c6be6d06b2e9891

SHA512
e6ad8ecc13a96b5b46a0c580c651e5d1ed6a623abb5a3a0d56b716017ae894a8135244f72b05f800a93f11f7124cfdf25b097361083056401ee6bce76c0d0365

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