860a5dc2ec00501b3ac90ec08af8d81d0c88519e291f5b8123e565629ba53c26

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12-03-2024 18:54

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General

Target

c41a8cc7641490d4d91390c92cb961e2.pdf
Size

62KB
MD5

c41a8cc7641490d4d91390c92cb961e2
SHA1

12c9b790d76b8bc9740b7f4f9bb828eb94ef7108
SHA256

860a5dc2ec00501b3ac90ec08af8d81d0c88519e291f5b8123e565629ba53c26
SHA512

347740bca6d6c9aa96a98d7dec6db64fe0d47b8bb192ab929dda3f811f5efe1504031fbbef521a694f8446b990378175c78a7f9115dc6ac1ad74ef170788e571
SSDEEP

1536:pbl0lwuwJj07cTBo1OQSfAMzgQCdYq6yCoCU:MlwHEcTB4LX1Q4Yq6hoP

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe
4336	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4336 wrote to memory of 3944	4336	AcroRd32.exe	92
PID 4336 wrote to memory of 3944	4336	AcroRd32.exe	92
PID 4336 wrote to memory of 3944	4336	AcroRd32.exe	92
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 1236	3944	RdrCEF.exe	93
PID 3944 wrote to memory of 540	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 540	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 540	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 540	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 540	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 540	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 540	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 540	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 540	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 540	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 540	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 540	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 540	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 540	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 540	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 540	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 540	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 540	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 540	3944	RdrCEF.exe	94
PID 3944 wrote to memory of 540	3944	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\c41a8cc7641490d4d91390c92cb961e2.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4336
- 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:3944
- - 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=7DEE9D972A5B06898E6D1B0CE13F3088 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1236
- - 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=3F8400BEB284988661C7CF97D60CADB1 --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=3F8400BEB284988661C7CF97D60CADB1 --renderer-client-id=2 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:540
- - 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=000426CF057B9CF64A1CD7077D72AD65 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5048
- - 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=36AFEEA17FB5FE14202FC559CBAB043B --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:216
- - 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=BF9C60A13A2C12E4C119EADE9682AEE3 --mojo-platform-channel-handle=1888 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4904

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
4f15691652587792489382a7c69aa052

SHA1
d17ce8ff2630cc7ac0ed0b1409e85928a525985c

SHA256
815b06d322891fdaf872dd889afd45a8da2abf933ba9864de8e8b24c15625c37

SHA512
fa630380adc8d203b565285fd1f36b770cfd7d6b0ee577c3fc906f5604741a1d2fb5fe88cf9810013df838c39566c97741dec9166d595e4bc8f048835d6126a2

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