99e430fd30178825b8b60d13112106b2a0b5adae4988db1e3485a2e066001d2e

Analysis

max time kernel
141s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14-03-2024 01:03

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General

Target

c74a01430b24b94b854318b0cd98ba18.pdf
Size

65KB
MD5

c74a01430b24b94b854318b0cd98ba18
SHA1

ad9167cae5cef0be506547a36de91be7c42ab361
SHA256

99e430fd30178825b8b60d13112106b2a0b5adae4988db1e3485a2e066001d2e
SHA512

a15abacd6dfff41c50d6aecd9a990102a093e14415840a405fccc1e878d290206b8f057bcd42885f4868e05a7d675906d73d0fae53a71262bfb181ed7189ce31
SSDEEP

1536:/ST23ULB7zSuhaHboL7w7ARf0NEnWv2J77+GlH3tDqKZAQ984WiyW4:KT23U9v7RwKf7WO7KGF3t+KZqcv4

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
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe
4208	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4208 wrote to memory of 3856	4208	AcroRd32.exe	85
PID 4208 wrote to memory of 3856	4208	AcroRd32.exe	85
PID 4208 wrote to memory of 3856	4208	AcroRd32.exe	85
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 1380	3856	RdrCEF.exe	86
PID 3856 wrote to memory of 3540	3856	RdrCEF.exe	87
PID 3856 wrote to memory of 3540	3856	RdrCEF.exe	87
PID 3856 wrote to memory of 3540	3856	RdrCEF.exe	87
PID 3856 wrote to memory of 3540	3856	RdrCEF.exe	87
PID 3856 wrote to memory of 3540	3856	RdrCEF.exe	87
PID 3856 wrote to memory of 3540	3856	RdrCEF.exe	87
PID 3856 wrote to memory of 3540	3856	RdrCEF.exe	87
PID 3856 wrote to memory of 3540	3856	RdrCEF.exe	87
PID 3856 wrote to memory of 3540	3856	RdrCEF.exe	87
PID 3856 wrote to memory of 3540	3856	RdrCEF.exe	87
PID 3856 wrote to memory of 3540	3856	RdrCEF.exe	87
PID 3856 wrote to memory of 3540	3856	RdrCEF.exe	87
PID 3856 wrote to memory of 3540	3856	RdrCEF.exe	87
PID 3856 wrote to memory of 3540	3856	RdrCEF.exe	87
PID 3856 wrote to memory of 3540	3856	RdrCEF.exe	87
PID 3856 wrote to memory of 3540	3856	RdrCEF.exe	87
PID 3856 wrote to memory of 3540	3856	RdrCEF.exe	87
PID 3856 wrote to memory of 3540	3856	RdrCEF.exe	87
PID 3856 wrote to memory of 3540	3856	RdrCEF.exe	87
PID 3856 wrote to memory of 3540	3856	RdrCEF.exe	87

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\c74a01430b24b94b854318b0cd98ba18.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4208
- 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:3856
- - 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=A2E3EC1DE16B81B5EED819BD344C5D5C --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1380
- - 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=4D7B9DFD7BD195D902133167902DF1ED --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=4D7B9DFD7BD195D902133167902DF1ED --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3540
- - 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=81989CC30AFAB183212D05C5D4145ED6 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2456
- - 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=20270C3772CDB570CD9A7DF7FEE1DBB4 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4792
- - 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=884FA4F9E1B7235E5BC65C5AE28D56FB --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2116

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
183a580e3aea0b6aebf09464ea56d6ee

SHA1
2de832f53fb9f3eaace03666bc516e2ed1b2120d

SHA256
e0a258e4200b722d182da9c8f5d96e0c28168c8f177f979e45bee298eec982d2

SHA512
4e35fac3342181b351d181f28b4372765ab6fbb53d4a68953cd76c298a3225acce010a601664f4365023c06cd2828a2b1e81d07d6c17e9195c8e62349742e588

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