c30f334de8041bb7c91e742f296f7bb05e6a79ff1f40c69ac0236d2fb0e66189

Analysis

max time kernel
16s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2024, 01:51

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General

Target

3f983dec04c3e5b8b8d94780cfcbff0c.pdf
Size

86KB
MD5

3f983dec04c3e5b8b8d94780cfcbff0c
SHA1

faa3e86a611b184ccd5ed226e283560ceb0f8c4c
SHA256

c30f334de8041bb7c91e742f296f7bb05e6a79ff1f40c69ac0236d2fb0e66189
SHA512

b4bca0e937ea5eb709ac04d44cd4b9904dbc7d7ae77b497fc3be5411ad654106cb0a80d36c9b69e5d0d5393704bd85135d3083b901a0b6b863bd9b6802f56b6b
SSDEEP

1536:7rDdGAKCeuh2sPqC5cQDBc0Ru0ktfNknIdSGvVRVZGO3D+wWe4KH/Ae4jWcpOyN0:3DdGsf2siC5cQ/uBFknINLVZGO3D4A/z

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 use of FindShellTrayWindow 1 IoCs

pid	Process
2492	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe
2492	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 3980	2492	AcroRd32.exe	90
PID 2492 wrote to memory of 3980	2492	AcroRd32.exe	90
PID 2492 wrote to memory of 3980	2492	AcroRd32.exe	90
PID 2492 wrote to memory of 1336	2492	AcroRd32.exe	93
PID 2492 wrote to memory of 1336	2492	AcroRd32.exe	93
PID 2492 wrote to memory of 1336	2492	AcroRd32.exe	93
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3116	3980	RdrCEF.exe	92
PID 3980 wrote to memory of 3928	3980	RdrCEF.exe	91
PID 3980 wrote to memory of 3928	3980	RdrCEF.exe	91
PID 3980 wrote to memory of 3928	3980	RdrCEF.exe	91
PID 3980 wrote to memory of 3928	3980	RdrCEF.exe	91
PID 3980 wrote to memory of 3928	3980	RdrCEF.exe	91
PID 3980 wrote to memory of 3928	3980	RdrCEF.exe	91
PID 3980 wrote to memory of 3928	3980	RdrCEF.exe	91
PID 3980 wrote to memory of 3928	3980	RdrCEF.exe	91
PID 3980 wrote to memory of 3928	3980	RdrCEF.exe	91
PID 3980 wrote to memory of 3928	3980	RdrCEF.exe	91
PID 3980 wrote to memory of 3928	3980	RdrCEF.exe	91
PID 3980 wrote to memory of 3928	3980	RdrCEF.exe	91
PID 3980 wrote to memory of 3928	3980	RdrCEF.exe	91
PID 3980 wrote to memory of 3928	3980	RdrCEF.exe	91
PID 3980 wrote to memory of 3928	3980	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\3f983dec04c3e5b8b8d94780cfcbff0c.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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⤵
  - Suspicious use of WriteProcessMemory
  PID:3980
- - 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=713CF42A7AFF05D40ACF45630506E825 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3928
- - 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=5418120455F07C8242BAB14EB2543AA3 --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=5418120455F07C8242BAB14EB2543AA3 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3116
- - 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=BC3C9C9361D9F4C0CDF1FAAC673F0A21 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4700
- - 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=3B060F305737C9498A84489DB7944453 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2592
- - 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=861BE1E7CC9AB39C88E83DF702CA61F3 --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=861BE1E7CC9AB39C88E83DF702CA61F3 --renderer-client-id=5 --mojo-platform-channel-handle=2096 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4720
- - 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=23ABDB47A062C4CD722957AD35447710 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:408
- 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:1336

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2316

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
59bdd67fe7397923f12b55b43032ee90

SHA1
1d63889955ac612ca24e93b2cbecbe8cdfa9676a

SHA256
500a778d6625c1ad4cd1167e099d1a5389c6ef644201c52b8b6d8e4a53b6fd81

SHA512
685292a9203915c8b6e6268f9298ad05e4791ac56fdf7d31c328e4ab96825b85d362831d274905d564f2fbaf4f93ef0f9cb2064ba735f109895d8ef246203e93

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit