f66f1d286d3ee8b4ceee306793b33fce96778221ed5a7db177ece511b331cea2

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
09/09/2022, 13:10

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General

Target

Allied eTrainer Guide for Returning Students 2022.pdf
Size

596KB
MD5

545c669a0642070d8d22e8f6a11ef39f
SHA1

d3935acf9bb74aa90eaa730e2193baac87e0e022
SHA256

f66f1d286d3ee8b4ceee306793b33fce96778221ed5a7db177ece511b331cea2
SHA512

00fb71499f8fe826ad2b90ff275f31b0ff8a6747db803846f1447fded9f8bb9869cabb7e08b45fc0d061f269dc23dcd537bc9254feefa9303a4cbea42763bae1
SSDEEP

12288:dQjUjsD89atyNErgI0sVK2S1UeAAAAAAAAE9y65rD1DDbffffqffmfffEffffQFf:dQhD6ygErZ0sVnS1U99dRDvrJZwabpnB

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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4848	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4848 wrote to memory of 4132	4848	AcroRd32.exe	86
PID 4848 wrote to memory of 4132	4848	AcroRd32.exe	86
PID 4848 wrote to memory of 4132	4848	AcroRd32.exe	86
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 4856	4132	RdrCEF.exe	90
PID 4132 wrote to memory of 3116	4132	RdrCEF.exe	91
PID 4132 wrote to memory of 3116	4132	RdrCEF.exe	91
PID 4132 wrote to memory of 3116	4132	RdrCEF.exe	91
PID 4132 wrote to memory of 3116	4132	RdrCEF.exe	91
PID 4132 wrote to memory of 3116	4132	RdrCEF.exe	91
PID 4132 wrote to memory of 3116	4132	RdrCEF.exe	91
PID 4132 wrote to memory of 3116	4132	RdrCEF.exe	91
PID 4132 wrote to memory of 3116	4132	RdrCEF.exe	91
PID 4132 wrote to memory of 3116	4132	RdrCEF.exe	91
PID 4132 wrote to memory of 3116	4132	RdrCEF.exe	91
PID 4132 wrote to memory of 3116	4132	RdrCEF.exe	91
PID 4132 wrote to memory of 3116	4132	RdrCEF.exe	91
PID 4132 wrote to memory of 3116	4132	RdrCEF.exe	91
PID 4132 wrote to memory of 3116	4132	RdrCEF.exe	91
PID 4132 wrote to memory of 3116	4132	RdrCEF.exe	91
PID 4132 wrote to memory of 3116	4132	RdrCEF.exe	91
PID 4132 wrote to memory of 3116	4132	RdrCEF.exe	91
PID 4132 wrote to memory of 3116	4132	RdrCEF.exe	91
PID 4132 wrote to memory of 3116	4132	RdrCEF.exe	91
PID 4132 wrote to memory of 3116	4132	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\Allied eTrainer Guide for Returning Students 2022.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:4848
- 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:4132
- - 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=FFAE491F35954061B009748265FEB010 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4856
- - 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=8961609B11954D142913C65486331B64 --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=1 --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=8961609B11954D142913C65486331B64 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=90A7CCA09FABAA8D399424E7823AAC7A --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=1 --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=90A7CCA09FABAA8D399424E7823AAC7A --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1424
- - 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=C7DF692B5C4027AD145EF9DAEEFCA3CE --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3432
- - 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=AA1B206B48CE3B977621CFE9A6182F16 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2368
- - 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=A44200049D42ADDD2EF6D2E3E450CB7D --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4260

Network

MITRE ATT&CK Enterprise v6

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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