ce37f5ff81c7232ba13dea25032fea97c44ed46567bf76c12a34949f6e3991c9

Analysis

max time kernel
151s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 20:56

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General

Target

b82bc2d58ce8d9109f21beaa72ab2f3d.pdf
Size

136KB
MD5

b82bc2d58ce8d9109f21beaa72ab2f3d
SHA1

5d303d09ec3a69bbd02e05d947570333e756fabb
SHA256

ce37f5ff81c7232ba13dea25032fea97c44ed46567bf76c12a34949f6e3991c9
SHA512

364186d9796a561be81c2ece1a25aad89d3a66e21750171c8fbc1d0add7e09cfd52f1ae5fcbd3981283d976c0d4809bf488cd6e5afdbdfdd723df8638c848ded
SSDEEP

3072:olq6QJ468Jib7Q21xBFyrChLPSY49xwvQ3652+ZzA6yT/4:sn2P8JWc+nRPYPz6b86

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
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1472	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe
1472	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 2120	1472	AcroRd32.exe	93
PID 1472 wrote to memory of 2120	1472	AcroRd32.exe	93
PID 1472 wrote to memory of 2120	1472	AcroRd32.exe	93
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4660	2120	RdrCEF.exe	96
PID 2120 wrote to memory of 4908	2120	RdrCEF.exe	97
PID 2120 wrote to memory of 4908	2120	RdrCEF.exe	97
PID 2120 wrote to memory of 4908	2120	RdrCEF.exe	97
PID 2120 wrote to memory of 4908	2120	RdrCEF.exe	97
PID 2120 wrote to memory of 4908	2120	RdrCEF.exe	97
PID 2120 wrote to memory of 4908	2120	RdrCEF.exe	97
PID 2120 wrote to memory of 4908	2120	RdrCEF.exe	97
PID 2120 wrote to memory of 4908	2120	RdrCEF.exe	97
PID 2120 wrote to memory of 4908	2120	RdrCEF.exe	97
PID 2120 wrote to memory of 4908	2120	RdrCEF.exe	97
PID 2120 wrote to memory of 4908	2120	RdrCEF.exe	97
PID 2120 wrote to memory of 4908	2120	RdrCEF.exe	97
PID 2120 wrote to memory of 4908	2120	RdrCEF.exe	97
PID 2120 wrote to memory of 4908	2120	RdrCEF.exe	97
PID 2120 wrote to memory of 4908	2120	RdrCEF.exe	97
PID 2120 wrote to memory of 4908	2120	RdrCEF.exe	97
PID 2120 wrote to memory of 4908	2120	RdrCEF.exe	97
PID 2120 wrote to memory of 4908	2120	RdrCEF.exe	97
PID 2120 wrote to memory of 4908	2120	RdrCEF.exe	97
PID 2120 wrote to memory of 4908	2120	RdrCEF.exe	97

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\b82bc2d58ce8d9109f21beaa72ab2f3d.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:1472
- 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:2120
- - 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=A47F198129C4C680BD19FF5D2DB7A6A1 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4660
- - 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=2DBE199FBF6EAE7C73F4CD6EA4245109 --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=2DBE199FBF6EAE7C73F4CD6EA4245109 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4908
- - 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=DFDEC2529D0C6DBD7B468F3134A8794E --mojo-platform-channel-handle=2308 --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=95FA335B2A213E8A23E5D2385BB7CEF1 --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=95FA335B2A213E8A23E5D2385BB7CEF1 --renderer-client-id=5 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1144
- - 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=A572714F2890E20C1DF5F50F55E75A80 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4416
- - 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=BAF7D2C87A6C8129D51E737DEAB687EA --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4968

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5104

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
ac87ea64e1ceb9f4e67f80a01cc5f3c1

SHA1
1d0d41e9dc85c0bd06de95a625c4714a3f6a3065

SHA256
b0dbdd7083fd373ae9fbde2f0ec691251a5b9de6e8b7202f9fe6ef449235f589

SHA512
17c765f9b31166abbd192183c5abb4671f3fb07ee9186dcb40cb75942c0a4d3d8b24f90c10ad8a59a19cb4548f6a0aaedf781fb0799d80f845383d6c3f59fff0

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