12ed57d653ae4fb5391a8aa3e1440b89c00605b5a8d7720975176218ca3e07ac

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2024 15:12

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General

Target

53dada00e3cd649d1ab0097b4b5aa2b5.pdf
Size

37KB
MD5

53dada00e3cd649d1ab0097b4b5aa2b5
SHA1

79ae6663cd10e8d093b17527d6bf2093a71a8d13
SHA256

12ed57d653ae4fb5391a8aa3e1440b89c00605b5a8d7720975176218ca3e07ac
SHA512

f369e664ff6683b740cc76827f1e7d3c4e39e5d2b9595598c4f2d0f5f3e42da389b582307d644c6df4aeacb75e587d145a7c2dca3eeb2e0b3c557b54e2bc0e96
SSDEEP

768:zhhUHXcdfPzLR0uNNw3rVndKgdOGdJumrPzOz7lmUux13odZ:jU3cdfPfR0uNNw3rXcGdJuCOtmZx1Yf

Score

4^/10

Malware Config

Signatures

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\CMap\AdobeFnt16.lst.3888	AcroRd32.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\Font\AdobeFnt16.lst.3888	AcroRd32.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins3d\prc\AdobeFnt16.lst.3888	AcroRd32.exe

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
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3888	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe
3888	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3888 wrote to memory of 552	3888	AcroRd32.exe	93
PID 3888 wrote to memory of 552	3888	AcroRd32.exe	93
PID 3888 wrote to memory of 552	3888	AcroRd32.exe	93
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 4600	552	RdrCEF.exe	95
PID 552 wrote to memory of 756	552	RdrCEF.exe	94
PID 552 wrote to memory of 756	552	RdrCEF.exe	94
PID 552 wrote to memory of 756	552	RdrCEF.exe	94
PID 552 wrote to memory of 756	552	RdrCEF.exe	94
PID 552 wrote to memory of 756	552	RdrCEF.exe	94
PID 552 wrote to memory of 756	552	RdrCEF.exe	94
PID 552 wrote to memory of 756	552	RdrCEF.exe	94
PID 552 wrote to memory of 756	552	RdrCEF.exe	94
PID 552 wrote to memory of 756	552	RdrCEF.exe	94
PID 552 wrote to memory of 756	552	RdrCEF.exe	94
PID 552 wrote to memory of 756	552	RdrCEF.exe	94
PID 552 wrote to memory of 756	552	RdrCEF.exe	94
PID 552 wrote to memory of 756	552	RdrCEF.exe	94
PID 552 wrote to memory of 756	552	RdrCEF.exe	94
PID 552 wrote to memory of 756	552	RdrCEF.exe	94
PID 552 wrote to memory of 756	552	RdrCEF.exe	94
PID 552 wrote to memory of 756	552	RdrCEF.exe	94
PID 552 wrote to memory of 756	552	RdrCEF.exe	94
PID 552 wrote to memory of 756	552	RdrCEF.exe	94
PID 552 wrote to memory of 756	552	RdrCEF.exe	94

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\53dada00e3cd649d1ab0097b4b5aa2b5.pdf"
1⤵
- Drops file in Program Files directory
- 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:3888
- 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:552
- - 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=7EEE47CFC33EEE7F21C8D880B2CF49F9 --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=7EEE47CFC33EEE7F21C8D880B2CF49F9 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:756
- - 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=3B49F74CBD828FED68238AD853ABF9F8 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4600
- - 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=CD66144C47BCAACF4556F18FD843E763 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2636
- - 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=A9EA6CB7B3C987304AED24958496FA50 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2944
- - 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=837ADB5E319E0B2543BCC3FAA645E32E --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1388
- - 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=AB18F3E422D4CFC2A396AF2FC2DB7806 --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=AB18F3E422D4CFC2A396AF2FC2DB7806 --renderer-client-id=6 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3192

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4508

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\Local\Adobe\Acrobat\DC\AdobeSysFnt19.lst

Filesize
92KB

MD5
fad0879c50aed8c4746ab7d15277e4a4

SHA1
5afb36c3c9689e248768a31d2dd673ec1f5ae2ab

SHA256
578a199a28e868e596fcee17cdf66497fc64f1b48406a7082ec18428c35d8d34

SHA512
1ea4a99c2291be5b3df2fdc6f366363612cb38c87cbd4be6d3b97ff3fedddae4d59dd958f3e9157654b668ee74c650ce6872f09d47a0e7e5a5434b26d46b7d5e

Download Submit
memory/3888-147-0x000000000D410000-0x000000000D55D000-memory.dmp

Filesize
1.3MB

Download