a63464d583eb0623376af1fb35addb261f92f049de3591228c4c84ca623d5a4c

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 12:59

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General

Target

2b67cf5be758cc86450fb7a9fe8c2865.pdf
Size

86KB
MD5

2b67cf5be758cc86450fb7a9fe8c2865
SHA1

bcbbd9a5238000ef5c0fd128c9e74cc2273a305f
SHA256

a63464d583eb0623376af1fb35addb261f92f049de3591228c4c84ca623d5a4c
SHA512

d29e3bce0bfa0fecc7c913fa8d48e43ea490f8a4e423ae7ed9887821ef21553d888c6afc2c653e33c003966158005e68a062e5d1df730f91d0ee5b70ded69ae3
SSDEEP

1536:IiLetC3d+wiD/Dtgfg5M+SpWM1eJOTxmSCqcKfSWxApOGJeIIPRWi/MxCx4ki1:7LaC3d4PtK+4h1E+CkfX3G8pPDcl

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3404	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe
3404	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3404 wrote to memory of 4644	3404	AcroRd32.exe	91
PID 3404 wrote to memory of 4644	3404	AcroRd32.exe	91
PID 3404 wrote to memory of 4644	3404	AcroRd32.exe	91
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1060	4644	RdrCEF.exe	93
PID 4644 wrote to memory of 1488	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 1488	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 1488	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 1488	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 1488	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 1488	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 1488	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 1488	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 1488	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 1488	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 1488	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 1488	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 1488	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 1488	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 1488	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 1488	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 1488	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 1488	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 1488	4644	RdrCEF.exe	94
PID 4644 wrote to memory of 1488	4644	RdrCEF.exe	94

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\2b67cf5be758cc86450fb7a9fe8c2865.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:3404
- 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:4644
- - 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=BE8C5CD449C266E5E39DE53D0C6D8DE9 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1060
- - 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=7AEDA5A9D926236E7DC6EFB375B36E56 --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=7AEDA5A9D926236E7DC6EFB375B36E56 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1488
- - 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=E8E50F958EB0DDF2589B48F114409315 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2420
- - 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=ED9A4E28F3057E0B4A970F7611A4EB4C --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3100
- - 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=CD50756964E6AE9B3202A55919AFB27B --mojo-platform-channel-handle=1984 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:812
- - 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=07F90F375D6455871003262EB7058832 --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=07F90F375D6455871003262EB7058832 --renderer-client-id=7 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4028

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
c49d5a8a3ee3b97ebec0fb77e62b7620

SHA1
50d8bf13c2c3fafb7bbb2f1781bf043626d768e1

SHA256
5fb2ac4b5f8c85f902adab8e63e80dddd8c4d3b163f796f4391f43f6094fc614

SHA512
38819cfe971ac0c4088c2c570cbaf2b6738e1e1781238906b4a011651e10180250b1d946301d8c924755f278a601a21236b5f10931b733d80638e617ece39e5d

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