54d4aa7808ca769592597af282e08062d578975af8e96a46a8bf274be8417fed

Analysis

max time kernel
141s
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
04-02-2024 09:10

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General

Target

8ec4032a35890691b5726f572e7305c4.pdf
Size

34KB
MD5

8ec4032a35890691b5726f572e7305c4
SHA1

77bd2890fc36d87ebdb79101e9d29999ed673f2b
SHA256

54d4aa7808ca769592597af282e08062d578975af8e96a46a8bf274be8417fed
SHA512

4b2e0543ac4aa2cdca329759a2094c19f384c325237f332036f88cf2a67689b672a8d607a90ae8aeba0701ae0f9646e12385dfc78189ada41a8e20e54b6547ec
SSDEEP

768:GLEqNkqPCohHyc6zsGw8hwBaD9+RD6rMbA4Q1H6vvcBMLo:GLt62hHyxY8sk8D6r+n/cBMLo

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
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1144	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe
1144	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1144 wrote to memory of 4064	1144	AcroRd32.exe	88
PID 1144 wrote to memory of 4064	1144	AcroRd32.exe	88
PID 1144 wrote to memory of 4064	1144	AcroRd32.exe	88
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 1116	4064	RdrCEF.exe	90
PID 4064 wrote to memory of 3592	4064	RdrCEF.exe	91
PID 4064 wrote to memory of 3592	4064	RdrCEF.exe	91
PID 4064 wrote to memory of 3592	4064	RdrCEF.exe	91
PID 4064 wrote to memory of 3592	4064	RdrCEF.exe	91
PID 4064 wrote to memory of 3592	4064	RdrCEF.exe	91
PID 4064 wrote to memory of 3592	4064	RdrCEF.exe	91
PID 4064 wrote to memory of 3592	4064	RdrCEF.exe	91
PID 4064 wrote to memory of 3592	4064	RdrCEF.exe	91
PID 4064 wrote to memory of 3592	4064	RdrCEF.exe	91
PID 4064 wrote to memory of 3592	4064	RdrCEF.exe	91
PID 4064 wrote to memory of 3592	4064	RdrCEF.exe	91
PID 4064 wrote to memory of 3592	4064	RdrCEF.exe	91
PID 4064 wrote to memory of 3592	4064	RdrCEF.exe	91
PID 4064 wrote to memory of 3592	4064	RdrCEF.exe	91
PID 4064 wrote to memory of 3592	4064	RdrCEF.exe	91
PID 4064 wrote to memory of 3592	4064	RdrCEF.exe	91
PID 4064 wrote to memory of 3592	4064	RdrCEF.exe	91
PID 4064 wrote to memory of 3592	4064	RdrCEF.exe	91
PID 4064 wrote to memory of 3592	4064	RdrCEF.exe	91
PID 4064 wrote to memory of 3592	4064	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\8ec4032a35890691b5726f572e7305c4.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:1144
- 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:4064
- - 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=AE169B79C889618D4E53B7B9C6993187 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1116
- - 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=EFD66D607B911C975DB5539688C7729B --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=EFD66D607B911C975DB5539688C7729B --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3592
- - 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=6B6BA0F9DE2CB680F5945084F5C67FDB --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1624
- - 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=84943886F90376D99638A7D2BBE92FB7 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3084
- - 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=CBE966BE79D3ABCE673DAC291D4F3486 --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=CBE966BE79D3ABCE673DAC291D4F3486 --renderer-client-id=6 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4112
- - 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=B127740C56A099C72F1F3384303F0093 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5092

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3216

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
593bf18c57646f4369c475b8d21dcd54

SHA1
cbaf313c8eb79e89bb2b37c52555479c5ee5a329

SHA256
297de38911f7e1fb1bb40a9fac67e979efdf43b47b20c8f731e0102739854bec

SHA512
fcdd66c2671a687ce0d4b61ded28b1352b59bf04744f3a8d06ebb2c8a007acbe4492b68f39a95830cb13a2aaba357349a33ab17549e6d0ddc635885008cada0b

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