67ee201a29b95d88f57252ac7f51f4a717f68fa7caedfafcb75ac518ebec7312

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2024 00:29

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General

Target

70f5a898f497fbd069d7d3283f60bc6c.pdf
Size

50KB
MD5

70f5a898f497fbd069d7d3283f60bc6c
SHA1

e368b246845339562916f48a2d99715e310a0719
SHA256

67ee201a29b95d88f57252ac7f51f4a717f68fa7caedfafcb75ac518ebec7312
SHA512

2997425f6ccb8a9be24525a9bf1de8382ef0ff4d0c59647c78c576c9b7455a28ce538294d219ee8714eac6acbebc52dad7a7ae038b6b11c1d9aee2c4b354d50e
SSDEEP

1536:YsS8MOhf/dejSQVAXFR/bhDOGdgRYFCwEWTa2h:8bWf/dgSQVkH/tDjgMCwEW+2h

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe
3704	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3704 wrote to memory of 2988	3704	AcroRd32.exe	92
PID 3704 wrote to memory of 2988	3704	AcroRd32.exe	92
PID 3704 wrote to memory of 2988	3704	AcroRd32.exe	92
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3048	2988	RdrCEF.exe	94
PID 2988 wrote to memory of 3384	2988	RdrCEF.exe	95
PID 2988 wrote to memory of 3384	2988	RdrCEF.exe	95
PID 2988 wrote to memory of 3384	2988	RdrCEF.exe	95
PID 2988 wrote to memory of 3384	2988	RdrCEF.exe	95
PID 2988 wrote to memory of 3384	2988	RdrCEF.exe	95
PID 2988 wrote to memory of 3384	2988	RdrCEF.exe	95
PID 2988 wrote to memory of 3384	2988	RdrCEF.exe	95
PID 2988 wrote to memory of 3384	2988	RdrCEF.exe	95
PID 2988 wrote to memory of 3384	2988	RdrCEF.exe	95
PID 2988 wrote to memory of 3384	2988	RdrCEF.exe	95
PID 2988 wrote to memory of 3384	2988	RdrCEF.exe	95
PID 2988 wrote to memory of 3384	2988	RdrCEF.exe	95
PID 2988 wrote to memory of 3384	2988	RdrCEF.exe	95
PID 2988 wrote to memory of 3384	2988	RdrCEF.exe	95
PID 2988 wrote to memory of 3384	2988	RdrCEF.exe	95
PID 2988 wrote to memory of 3384	2988	RdrCEF.exe	95
PID 2988 wrote to memory of 3384	2988	RdrCEF.exe	95
PID 2988 wrote to memory of 3384	2988	RdrCEF.exe	95
PID 2988 wrote to memory of 3384	2988	RdrCEF.exe	95
PID 2988 wrote to memory of 3384	2988	RdrCEF.exe	95

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\70f5a898f497fbd069d7d3283f60bc6c.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3704
- 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:2988
- - 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=793A5D601B125F949351261DF7514408 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3048
- - 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=4BCB269F116DDCFE4D4A2DEC2D5E6D2A --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=4BCB269F116DDCFE4D4A2DEC2D5E6D2A --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3384
- - 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=581DBE40AFE2CEDCC9A2262B480F4DED --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3668
- - 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=90404A5E0D0D034989E11139A493A88C --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1296
- - 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=25BE20985FB0618695B0D93BAFDC75CB --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:828

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:868

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
c592ae7303cfabd22d0d592588323004

SHA1
c5f35db3a89edc609ce9de5bccd2ddfb1ce3dff3

SHA256
e66bb9ef40848241cf99bca00838987005a34025f4d7d04c7de62e49290d92c1

SHA512
9f58f2c64b01d73cc6015e7b67b9c87de72dcc2c429dfc84b111eb246ca1dd217ba4f3f24eacdf58dd9f6f35d91fc2d35c0436d1a2cf8e3f04e26366e0919724

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