6587900b6f0dc398a4bd6c25b04293ba78b0687c700e5fb1259d9b0f3d5b3f8a

Analysis

max time kernel
61s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06-09-2022 17:24

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General

Target

attachment20220906-8766-yl4f3t.pdf
Size

65KB
MD5

cc4e4be2e53cfce98992e9350db22aee
SHA1

22bc545636ad0fdfebce07c49dc0b7159fef095c
SHA256

6587900b6f0dc398a4bd6c25b04293ba78b0687c700e5fb1259d9b0f3d5b3f8a
SHA512

3ba566a6a2144ab47b065d3f758b9b09447f48bfdcc7236ca9553dabb3497f44191202da3e13348aa1cb1ddf9d13d9fb3bcebb70459a0b473ae018f81405d59a
SSDEEP

1536:Z0XlDrilA9+um5JqnxqZWXAYV0zZp4bTVNEnhN9n/rT6OBTa8:iHilA9+umPqnYZJc0qNEnJf6OBD

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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4820	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe
4820	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4820 wrote to memory of 4332	4820	AcroRd32.exe	82
PID 4820 wrote to memory of 4332	4820	AcroRd32.exe	82
PID 4820 wrote to memory of 4332	4820	AcroRd32.exe	82
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 1444	4332	RdrCEF.exe	83
PID 4332 wrote to memory of 4376	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 4376	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 4376	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 4376	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 4376	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 4376	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 4376	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 4376	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 4376	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 4376	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 4376	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 4376	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 4376	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 4376	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 4376	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 4376	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 4376	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 4376	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 4376	4332	RdrCEF.exe	84
PID 4332 wrote to memory of 4376	4332	RdrCEF.exe	84

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\attachment20220906-8766-yl4f3t.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:4820
- 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:4332
- - 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=26AAF0714570EC73EFA19DF33A58666D --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1444
- - 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=201BC40F3835AA6E71309622134FB979 --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=201BC40F3835AA6E71309622134FB979 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4376
- - 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=78C1F29001B4C7D15DBC160031FB8CC1 --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=78C1F29001B4C7D15DBC160031FB8CC1 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:424
- - 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=54EF34ED6B25B87C5516B818FC5B0242 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2948
- - 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=19D0309E304ED62932B95FE115F46EEB --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1988
- - 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=22DAC3B45754AF921BA9968420C62BB4 --mojo-platform-channel-handle=2064 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1068

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4080

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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