0cdba4e7f3699dfcb21380a7347ca053d63068f93817d98166024a2cc3a36422

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 14:07

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General

Target

7468d638fc474659ef85d3be30efdaee.pdf
Size

179KB
MD5

7468d638fc474659ef85d3be30efdaee
SHA1

b98bfbc42d93185afc62f677ed8a4b7fcea09b29
SHA256

0cdba4e7f3699dfcb21380a7347ca053d63068f93817d98166024a2cc3a36422
SHA512

995e53a962a1ec0534502e7659e8230ba551f6b0688128be856831be26062fbf6469df5072237f5cc61774362857eb452884eec9f98df806eb1d1a2bd6e3e051
SSDEEP

3072:J/b1iVONfONbsk4lQR5I+2mrkJa+XmdTrLp/uQmUtbkyNdtu69yAVb3eyFiK6K:6VofKsUIBJt2dl/btuhAgS

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
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3404	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3404 wrote to memory of 2776	3404	AcroRd32.exe	91
PID 3404 wrote to memory of 2776	3404	AcroRd32.exe	91
PID 3404 wrote to memory of 2776	3404	AcroRd32.exe	91
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 208	2776	RdrCEF.exe	92
PID 2776 wrote to memory of 1172	2776	RdrCEF.exe	93
PID 2776 wrote to memory of 1172	2776	RdrCEF.exe	93
PID 2776 wrote to memory of 1172	2776	RdrCEF.exe	93
PID 2776 wrote to memory of 1172	2776	RdrCEF.exe	93
PID 2776 wrote to memory of 1172	2776	RdrCEF.exe	93
PID 2776 wrote to memory of 1172	2776	RdrCEF.exe	93
PID 2776 wrote to memory of 1172	2776	RdrCEF.exe	93
PID 2776 wrote to memory of 1172	2776	RdrCEF.exe	93
PID 2776 wrote to memory of 1172	2776	RdrCEF.exe	93
PID 2776 wrote to memory of 1172	2776	RdrCEF.exe	93
PID 2776 wrote to memory of 1172	2776	RdrCEF.exe	93
PID 2776 wrote to memory of 1172	2776	RdrCEF.exe	93
PID 2776 wrote to memory of 1172	2776	RdrCEF.exe	93
PID 2776 wrote to memory of 1172	2776	RdrCEF.exe	93
PID 2776 wrote to memory of 1172	2776	RdrCEF.exe	93
PID 2776 wrote to memory of 1172	2776	RdrCEF.exe	93
PID 2776 wrote to memory of 1172	2776	RdrCEF.exe	93
PID 2776 wrote to memory of 1172	2776	RdrCEF.exe	93
PID 2776 wrote to memory of 1172	2776	RdrCEF.exe	93
PID 2776 wrote to memory of 1172	2776	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\7468d638fc474659ef85d3be30efdaee.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:3404
- 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:2776
- - 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=0777B704D18E4842BA061C65903007B3 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:208
- - 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=B706CEFF96DA5747DA8535AEDC7BA710 --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=B706CEFF96DA5747DA8535AEDC7BA710 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1172
- - 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=8054403E451E0DFE9DEAA09DEACC6AFF --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1892
- - 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=A8856F3D60557A0DADD94E4F361333E7 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2224
- - 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=9037A0F92D2C3422B0F38861E751BD9B --mojo-platform-channel-handle=2208 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3484
- - 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=DB7C7B6E97BF4BC2FC149C640C2FF7BC --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=DB7C7B6E97BF4BC2FC149C640C2FF7BC --renderer-client-id=7 --mojo-platform-channel-handle=2516 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2556

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5016

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
bb36429ead63fde85bd2020dbf92a1c0

SHA1
460840850282c321701f3c7db51fc2b142f55c73

SHA256
781ffbf13539b6cc9e8a88e50530bdfd5dc78f16a176f225524524c20439f1a7

SHA512
72fd63b25d75d47c80603a967964b71c09c7bc202defba107cbbd3ade69887fd90dc803532b9f6914e1fea361d9086235f6042b35111960d28b6671a37f3d08a

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