3cf9c9fe4bcbc1e3ec759f9227821902452c279020b504902b8b88ae7ca2c179

Analysis

max time kernel
182s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
06/01/2024, 20:37

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General

Target

4720a7752626293fc4adf2ed27c45246.pdf
Size

37KB
MD5

4720a7752626293fc4adf2ed27c45246
SHA1

82be6844ab0060d3b050dbfc4ac90f28f9d45a01
SHA256

3cf9c9fe4bcbc1e3ec759f9227821902452c279020b504902b8b88ae7ca2c179
SHA512

d183589b062ca07b14b53b28c64fe8bfb3a951d0e9415c3f99a6daee975e87b49ae0ccfca8da41665324c4042758dfe341c5c719f40f2f2850f0fc3b8272fa5f
SSDEEP

768:vLWIHHCiKM3YbYHvAus0N31QShywYjPAX4BvsvHVC+G:yIC5yvAB051QShHYjIX4BcHI+G

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
892	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 892 wrote to memory of 1436	892	AcroRd32.exe	92
PID 892 wrote to memory of 1436	892	AcroRd32.exe	92
PID 892 wrote to memory of 1436	892	AcroRd32.exe	92
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 4056	1436	RdrCEF.exe	94
PID 1436 wrote to memory of 5080	1436	RdrCEF.exe	93
PID 1436 wrote to memory of 5080	1436	RdrCEF.exe	93
PID 1436 wrote to memory of 5080	1436	RdrCEF.exe	93
PID 1436 wrote to memory of 5080	1436	RdrCEF.exe	93
PID 1436 wrote to memory of 5080	1436	RdrCEF.exe	93
PID 1436 wrote to memory of 5080	1436	RdrCEF.exe	93
PID 1436 wrote to memory of 5080	1436	RdrCEF.exe	93
PID 1436 wrote to memory of 5080	1436	RdrCEF.exe	93
PID 1436 wrote to memory of 5080	1436	RdrCEF.exe	93
PID 1436 wrote to memory of 5080	1436	RdrCEF.exe	93
PID 1436 wrote to memory of 5080	1436	RdrCEF.exe	93
PID 1436 wrote to memory of 5080	1436	RdrCEF.exe	93
PID 1436 wrote to memory of 5080	1436	RdrCEF.exe	93
PID 1436 wrote to memory of 5080	1436	RdrCEF.exe	93
PID 1436 wrote to memory of 5080	1436	RdrCEF.exe	93
PID 1436 wrote to memory of 5080	1436	RdrCEF.exe	93
PID 1436 wrote to memory of 5080	1436	RdrCEF.exe	93
PID 1436 wrote to memory of 5080	1436	RdrCEF.exe	93
PID 1436 wrote to memory of 5080	1436	RdrCEF.exe	93
PID 1436 wrote to memory of 5080	1436	RdrCEF.exe	93

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\4720a7752626293fc4adf2ed27c45246.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:892
- 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:1436
- - 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=052E902D18E1242563ED5E93C8402905 --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=052E902D18E1242563ED5E93C8402905 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5080
- - 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=5854003011EFB17FAB39CDB4FF1A0BB4 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4056
- - 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=0DA4FD8A26807BE6D48F76D4DE05193E --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=0DA4FD8A26807BE6D48F76D4DE05193E --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4120
- - 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=BE84B87E897E9994D65459B376276921 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3508
- - 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=5CB7243C96C6BF6FEC51C46E11923879 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2184
- - 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=46EE80EE0752D02B7E113FC1B955AA2B --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5020

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
062cadc345589f05eb30cb869131e5b9

SHA1
427ad9154492ec731c1ae4a1b077fe86adcd47ad

SHA256
4e2083f4963dda81e8bc83f734a3cbbc3e58c5d89bf7ebda526eed432693b796

SHA512
d2d80ad1ab9e83036871dff4404795b123f0a1c7b969de3a791afd088aac31548eb741fe52bfbea9d80ba5b6eb13b2f60d3f371019d447698ce1330551a3d065

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