f9f5c114e15597d1b2e46f33cbe1c0aa8231cb16c787f4ae084145f414d1d4d5

Analysis

max time kernel
142s
max time network
124s
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, 04:44

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General

Target

5538eb0e72744416f455228934fb4418.pdf
Size

83KB
MD5

5538eb0e72744416f455228934fb4418
SHA1

a9b60beda44dc36c5872c2c781b2292576bf63c6
SHA256

f9f5c114e15597d1b2e46f33cbe1c0aa8231cb16c787f4ae084145f414d1d4d5
SHA512

bd7534e04dfea3efe32da8a1e150ef8ac3a358c5c1735535ff3c46cf407f1cc476890c940b5d2f7e744f520573966375719d94a22a87cde198f855c5361dfe25
SSDEEP

1536:MnqeN6inyJovfQO9w+9+5y0sOPRQYXD11ehJUa2YzWInc7cxeW8pO7Sni:vG7qc68+5y/OPRtXh1y52Yv8cxd7t

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4880	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe
4880	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 3868	4880	AcroRd32.exe	93
PID 4880 wrote to memory of 3868	4880	AcroRd32.exe	93
PID 4880 wrote to memory of 3868	4880	AcroRd32.exe	93
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 5064	3868	RdrCEF.exe	95
PID 3868 wrote to memory of 1184	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 1184	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 1184	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 1184	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 1184	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 1184	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 1184	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 1184	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 1184	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 1184	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 1184	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 1184	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 1184	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 1184	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 1184	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 1184	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 1184	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 1184	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 1184	3868	RdrCEF.exe	94
PID 3868 wrote to memory of 1184	3868	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\5538eb0e72744416f455228934fb4418.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:4880
- 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:3868
- - 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=9C6ADC09F385B00212987C5E040A288E --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=9C6ADC09F385B00212987C5E040A288E --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1184
- - 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=8CC02C5CDCC8ED20571EF04621AEDA3B --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5064
- - 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=FB9A220637C6835FE13ACD9E92DE49D9 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3476
- - 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=78010FE3F2FAEB1EC9BAECF97C8F3902 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4848
- - 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=864001798E503D968C8105C666232B5E --mojo-platform-channel-handle=2520 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1464
- - 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=01A8E2162CD292A5153D028B03181503 --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=01A8E2162CD292A5153D028B03181503 --renderer-client-id=7 --mojo-platform-channel-handle=1828 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2396

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4708

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
b6fcc17dc80c172201814bffb0531c37

SHA1
2f69a5d2aa9aec665b186dae94c3330d464a5a2e

SHA256
3d8a242f359fdf4e40d1b0cd7a68635451bd670bd4c37547f7a093bfc6315a0b

SHA512
39a080397587dd87b070dfe388dc467b538d68d7f597877c211cefc0180d63c27e54831bf555f54b8316ff93de5700f08d1f35b6ed7204fe3eca787102d66bf2

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
memory/4880-25-0x000000000B1C0000-0x000000000B210000-memory.dmp

Filesize
320KB

Download