9d8f99cc60e5dfc105cf2fd58ad0c471e09ca394eefd4db870970ca381f3187a

Analysis

max time kernel
143s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 20:59

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General

Target

03daf063d7dff3d0a692555458f1db79.pdf
Size

95KB
MD5

03daf063d7dff3d0a692555458f1db79
SHA1

1634a13a3dc1a7d73f83bd77fb9de0d350a43f86
SHA256

9d8f99cc60e5dfc105cf2fd58ad0c471e09ca394eefd4db870970ca381f3187a
SHA512

da77813ac1a5e5733aa7c5159bb128ce530bef3f811fac0abfba2988bbcb1cac31bec5d575443af274b86cca193948406098439e32bad62997488abbb887a610
SSDEEP

1536:COusTVHcaO+wDbjIUWU/M93dkiY1jeyDyr9D2+aSBOKWz2xv+Kq22caLWQpOC9ZE:jusTVHfO+wXjIldkp/2r9D2+LBOJ4v+g

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
432	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe
432	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 2280	432	AcroRd32.exe	91
PID 432 wrote to memory of 2280	432	AcroRd32.exe	91
PID 432 wrote to memory of 2280	432	AcroRd32.exe	91
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 1772	2280	RdrCEF.exe	93
PID 2280 wrote to memory of 4592	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 4592	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 4592	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 4592	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 4592	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 4592	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 4592	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 4592	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 4592	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 4592	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 4592	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 4592	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 4592	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 4592	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 4592	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 4592	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 4592	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 4592	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 4592	2280	RdrCEF.exe	92
PID 2280 wrote to memory of 4592	2280	RdrCEF.exe	92

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\03daf063d7dff3d0a692555458f1db79.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:432
- 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:2280
- - 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=D329F607B23DDEAB1011241F9580FF38 --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=D329F607B23DDEAB1011241F9580FF38 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4592
- - 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=A94EB4CB15DF73239D6095433B0FF572 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1772
- - 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=F6B0D7CA2020353A9EBF9A611B76485E --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3564
- - 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=834ECC37C159C46F5C70C3DFA69055CC --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4408
- - 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=752BC16CC9F234BB23A2BF62235B09AB --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=752BC16CC9F234BB23A2BF62235B09AB --renderer-client-id=6 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4476
- - 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=88070A8648371AFED71AF54A94A24A0A --mojo-platform-channel-handle=2528 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2984

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2776

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
1483a0590b26034545c65322fd4595fc

SHA1
3f62f0dbc19f3b3341019ae2e4ada83e07b5d4bd

SHA256
5906fc1308b788854606cedfeb1dd0d655bb51ad57aa5a02fe06fc76628cd3e4

SHA512
fc85f6e6a19c9f07f13127b3020617fbe93102eca79222609f730bf57325ae2f8ad559cca1e6030782f0c25441093bb894156df141f59441fa22b4b380129e35

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit