5cfd970146f609512da9aec360df19b38ae2dbdf8b5741ec0ee54f6664d81420

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 12:27

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General

Target

187f42f5f847195e730c978063c0c817.pdf
Size

60KB
MD5

187f42f5f847195e730c978063c0c817
SHA1

b25910cd584f8144ad0bc509ecc6d5155c7550c6
SHA256

5cfd970146f609512da9aec360df19b38ae2dbdf8b5741ec0ee54f6664d81420
SHA512

588cd63bcdb5a46d6a62ad75c5973b2d445780cfd393585cde12103b5e05af3042f7e88d17ac19fdf896632a403bb4ae6b3cefe46ca79b7b74f5e0d585f2bb39
SSDEEP

1536:UApp3ABUlrgBNZThmK107wDNKD+TxRykZV7kncw:l3AKlMrB11AwDNG+TnykYT

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3120	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe
3120	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3120 wrote to memory of 1704	3120	AcroRd32.exe	90
PID 3120 wrote to memory of 1704	3120	AcroRd32.exe	90
PID 3120 wrote to memory of 1704	3120	AcroRd32.exe	90
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 2784	1704	RdrCEF.exe	92
PID 1704 wrote to memory of 1168	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 1168	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 1168	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 1168	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 1168	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 1168	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 1168	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 1168	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 1168	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 1168	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 1168	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 1168	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 1168	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 1168	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 1168	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 1168	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 1168	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 1168	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 1168	1704	RdrCEF.exe	91
PID 1704 wrote to memory of 1168	1704	RdrCEF.exe	91

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\187f42f5f847195e730c978063c0c817.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:3120
- 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:1704
- - 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=9BD5F3BFE2FB2725C521FBA52BBDF87B --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=9BD5F3BFE2FB2725C521FBA52BBDF87B --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1168
- - 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=0EC1234E64ED1D58CA8DEF0C7EE96303 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2784
- - 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=6BFFC314C2E5890D72CB66B86CE43073 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3992
- - 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=F64F2E1E49574A27948434BEA4E5F376 --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=F64F2E1E49574A27948434BEA4E5F376 --renderer-client-id=5 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1200
- - 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=89478106E3AB030A259008E1615C33AF --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:716
- - 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=5E3DBDE7FB2D51E47A8FC44D7E320C62 --mojo-platform-channel-handle=2364 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3304

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2460

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
4cd7c31548303dc445085ab746875c6f

SHA1
becd7e6353726b91127132efeeca33e1e0e3b112

SHA256
c19b8a04c5f03b36168f52ee3781f64c1bb7baa67585a402586a9af6c0f1a47a

SHA512
79762dce751befead83ed520bd62d296d9d9f4f83eccc0196a59acd3f673e27326e1f7e75e763628ec0fa36c720545b0685e0016740e1c93b876a7dd43574661

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
memory/3120-25-0x000000000A930000-0x000000000A980000-memory.dmp

Filesize
320KB

Download