25f9ac2dbc2976d1db21c732ba0dec030845e284f15e93058f4dd4342d1a126c

Analysis

max time kernel
144s
max time network
153s
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, 04:28

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General

Target

54207931e8fe8e316651d92909890fc0.pdf
Size

82KB
MD5

54207931e8fe8e316651d92909890fc0
SHA1

9dff4aab1b88d9532d3a9e2fbe8c250ac993d92a
SHA256

25f9ac2dbc2976d1db21c732ba0dec030845e284f15e93058f4dd4342d1a126c
SHA512

f0a85ee957500bacac4f01c25e32e19b8361a3d308fd3ca38c1ff7d06c00cdfc6bad4f55df20b1bd19919ea4c0a5090c61ecac9a30ccfdd167cd2fc33d78e815
SSDEEP

1536:1tIMuDl9T+HND7dMZykgqv90wJ6WYpO2okjZKbAxWzbqMW5FPYgR:DGT+Hsghqvmux2oOqAy8jt

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
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4640	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4640 wrote to memory of 2268	4640	AcroRd32.exe	94
PID 4640 wrote to memory of 2268	4640	AcroRd32.exe	94
PID 4640 wrote to memory of 2268	4640	AcroRd32.exe	94
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 4940	2268	RdrCEF.exe	96
PID 2268 wrote to memory of 5072	2268	RdrCEF.exe	95
PID 2268 wrote to memory of 5072	2268	RdrCEF.exe	95
PID 2268 wrote to memory of 5072	2268	RdrCEF.exe	95
PID 2268 wrote to memory of 5072	2268	RdrCEF.exe	95
PID 2268 wrote to memory of 5072	2268	RdrCEF.exe	95
PID 2268 wrote to memory of 5072	2268	RdrCEF.exe	95
PID 2268 wrote to memory of 5072	2268	RdrCEF.exe	95
PID 2268 wrote to memory of 5072	2268	RdrCEF.exe	95
PID 2268 wrote to memory of 5072	2268	RdrCEF.exe	95
PID 2268 wrote to memory of 5072	2268	RdrCEF.exe	95
PID 2268 wrote to memory of 5072	2268	RdrCEF.exe	95
PID 2268 wrote to memory of 5072	2268	RdrCEF.exe	95
PID 2268 wrote to memory of 5072	2268	RdrCEF.exe	95
PID 2268 wrote to memory of 5072	2268	RdrCEF.exe	95
PID 2268 wrote to memory of 5072	2268	RdrCEF.exe	95
PID 2268 wrote to memory of 5072	2268	RdrCEF.exe	95
PID 2268 wrote to memory of 5072	2268	RdrCEF.exe	95
PID 2268 wrote to memory of 5072	2268	RdrCEF.exe	95
PID 2268 wrote to memory of 5072	2268	RdrCEF.exe	95
PID 2268 wrote to memory of 5072	2268	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\54207931e8fe8e316651d92909890fc0.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:4640
- 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: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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=BE102B8E14FECF80A068CD8E84C3AF5A --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=BE102B8E14FECF80A068CD8E84C3AF5A --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5072
- - 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=0D9D9FB729C645BF1B431CA7B960AB56 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4940
- - 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=1FD912304082B9E3565C5E81B3547A05 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1672
- - 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=BB239E13997AA196698C54821C15BCD4 --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=BB239E13997AA196698C54821C15BCD4 --renderer-client-id=5 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3432
- - 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=D0E646A915F0C516C54CE1DD7D5A51D7 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4168
- - 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=9A2751C67C6E5C22DF57D0214F1B78E0 --mojo-platform-channel-handle=2772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:948

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4404

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
c5d5e74ef90defaf80a5d152c5babaea

SHA1
6b256873aa264d89cdc681ef7fef5126c227aa7f

SHA256
9de0386e8f72f3d1b285a55ce72f53ccb80e143ce478434e3d15a1ae89c4d5ef

SHA512
d40b62eb63718ec8e9912274b6c3201f6693d1a3202ddb5c491873da3f924313ff08e7e2d7f63dce497e5cfb7ad7cbb31fa5dcde909e7bbf290ea74236f18ca4

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/4640-28-0x000000000C0F0000-0x000000000C111000-memory.dmp

Filesize
132KB

Download