d1362c789d22f03e4d485edb784d48de0f41d67d1b6adc1051ee28565eb42509

Analysis

max time kernel
142s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 01:36

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General

Target

0a43c64d4fcd0a408937835e0cae899f.pdf
Size

71KB
MD5

0a43c64d4fcd0a408937835e0cae899f
SHA1

8e821209d23be8e60b6c87dd015e8cbfa947c876
SHA256

d1362c789d22f03e4d485edb784d48de0f41d67d1b6adc1051ee28565eb42509
SHA512

fc66d572854cccb92a2346836f9e3af44be7a08fab1fc4f1443f05efbd53c3db1bb51dcc0ed94371e7e88a98daf64f252a463bb6e02341d8ef4919c0b66d48f7
SSDEEP

1536:oVGaZ+gBZ4vU+xtFx1eTGahp9jhXENV9EhzX3y9iyIe81:6GaZRn+vT1T4L9XENfszXCfIH

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1388	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe
1388	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 3632	1388	AcroRd32.exe	90
PID 1388 wrote to memory of 3632	1388	AcroRd32.exe	90
PID 1388 wrote to memory of 3632	1388	AcroRd32.exe	90
PID 1388 wrote to memory of 4448	1388	AcroRd32.exe	93
PID 1388 wrote to memory of 4448	1388	AcroRd32.exe	93
PID 1388 wrote to memory of 4448	1388	AcroRd32.exe	93
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 1136	3632	RdrCEF.exe	95
PID 3632 wrote to memory of 4564	3632	RdrCEF.exe	96
PID 3632 wrote to memory of 4564	3632	RdrCEF.exe	96
PID 3632 wrote to memory of 4564	3632	RdrCEF.exe	96
PID 3632 wrote to memory of 4564	3632	RdrCEF.exe	96
PID 3632 wrote to memory of 4564	3632	RdrCEF.exe	96
PID 3632 wrote to memory of 4564	3632	RdrCEF.exe	96
PID 3632 wrote to memory of 4564	3632	RdrCEF.exe	96
PID 3632 wrote to memory of 4564	3632	RdrCEF.exe	96
PID 3632 wrote to memory of 4564	3632	RdrCEF.exe	96
PID 3632 wrote to memory of 4564	3632	RdrCEF.exe	96
PID 3632 wrote to memory of 4564	3632	RdrCEF.exe	96
PID 3632 wrote to memory of 4564	3632	RdrCEF.exe	96
PID 3632 wrote to memory of 4564	3632	RdrCEF.exe	96
PID 3632 wrote to memory of 4564	3632	RdrCEF.exe	96
PID 3632 wrote to memory of 4564	3632	RdrCEF.exe	96
PID 3632 wrote to memory of 4564	3632	RdrCEF.exe	96
PID 3632 wrote to memory of 4564	3632	RdrCEF.exe	96

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\0a43c64d4fcd0a408937835e0cae899f.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3632
- - 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=B73FE5B56C4B2FBD92FF8F2ECE29419C --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1136
- - 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=FB2755606FCF0AB91BEA301FB0D46236 --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=FB2755606FCF0AB91BEA301FB0D46236 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4564
- - 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=FEA3D351A129A3075DA574CA369D6D58 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:912
- - 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=A2128D6B529C6819EAA51C62F762E264 --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=A2128D6B529C6819EAA51C62F762E264 --renderer-client-id=5 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:448
- - 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=CA6FAF4DAAAF60987B9A1D449B752406 --mojo-platform-channel-handle=2540 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4396
- - 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=2D19334590ABE0B4EDA308EFC6A78925 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2492
- 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⤵
  PID:4448

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
1cc997c67e21708f643a8e00d284c186

SHA1
a2d46c696a4a5392f9f227d42507088960cb0f0c

SHA256
cfe1ecc1ab322bd233c2152b556bce10d0238282c6612cf77ee139aa2b4e40c2

SHA512
f42addc0a38322cb3edca4b95db488d07894fcd242250698d8f203ca94077996721325add5bf310edd58132419543d1096ede4ac258ca518aa924ebd190b0213

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