d185fc363c5abc24fbf8e36403bc37baa1303242507b8453568089139f3a5cb1

Analysis

max time kernel
147s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 16:56

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General

Target

498b2925f8775aa8516042779acd8708.pdf
Size

41KB
MD5

498b2925f8775aa8516042779acd8708
SHA1

2afbc3b70072c4c3fcc04ad1b4930baa94de591f
SHA256

d185fc363c5abc24fbf8e36403bc37baa1303242507b8453568089139f3a5cb1
SHA512

2542e1ed5cd18fcf4d2ed939b5df04712b34d9361a63acfcc4377f5c01795ba2d26fa55abb571d37f0210dfd1afe7089b3ecab71160ee187273af02fd7abeb17
SSDEEP

768:/RlKCLz2ntJnPZh0jBsp0wztPHyJcCWZ/E4LBDg8fFS4BB:/RlzmtJnRhKBsnhPHyJcVZMqpT5BB

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 3016	2808	AcroRd32.exe	91
PID 2808 wrote to memory of 3016	2808	AcroRd32.exe	91
PID 2808 wrote to memory of 3016	2808	AcroRd32.exe	91
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1792	3016	RdrCEF.exe	92
PID 3016 wrote to memory of 1404	3016	RdrCEF.exe	93
PID 3016 wrote to memory of 1404	3016	RdrCEF.exe	93
PID 3016 wrote to memory of 1404	3016	RdrCEF.exe	93
PID 3016 wrote to memory of 1404	3016	RdrCEF.exe	93
PID 3016 wrote to memory of 1404	3016	RdrCEF.exe	93
PID 3016 wrote to memory of 1404	3016	RdrCEF.exe	93
PID 3016 wrote to memory of 1404	3016	RdrCEF.exe	93
PID 3016 wrote to memory of 1404	3016	RdrCEF.exe	93
PID 3016 wrote to memory of 1404	3016	RdrCEF.exe	93
PID 3016 wrote to memory of 1404	3016	RdrCEF.exe	93
PID 3016 wrote to memory of 1404	3016	RdrCEF.exe	93
PID 3016 wrote to memory of 1404	3016	RdrCEF.exe	93
PID 3016 wrote to memory of 1404	3016	RdrCEF.exe	93
PID 3016 wrote to memory of 1404	3016	RdrCEF.exe	93
PID 3016 wrote to memory of 1404	3016	RdrCEF.exe	93
PID 3016 wrote to memory of 1404	3016	RdrCEF.exe	93
PID 3016 wrote to memory of 1404	3016	RdrCEF.exe	93
PID 3016 wrote to memory of 1404	3016	RdrCEF.exe	93
PID 3016 wrote to memory of 1404	3016	RdrCEF.exe	93
PID 3016 wrote to memory of 1404	3016	RdrCEF.exe	93

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\498b2925f8775aa8516042779acd8708.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2808
- 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:3016
- - 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=93A35689B6A9FAA35664632AD4AF482B --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1792
- - 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=757EEA39DEF911ED205449B661594B8F --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=757EEA39DEF911ED205449B661594B8F --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1404
- - 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=A820251D0CD65B96D53986C33D199038 --mojo-platform-channel-handle=2140 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4784
- - 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=A538D8EFFB615C68F7E077135F5E9363 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3352
- - 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=A75F0BF1F96DE4436198AFDCC0B49730 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2928

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3356

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
6f6f2c9c747242ddb16af5a1fab869ca

SHA1
e2e991208311b8f8c9c0ffb2a8a1f63e43a85c9b

SHA256
8791e10343e7fdd582eb0df857d13b8ec829dd27accb2e45525b3638606485d5

SHA512
263f2984c5da4a33673357670e2a60125a39ef49e05fd676bc93b77bd81fec742a494d3ec54d07b4a026ee39719da3dd7bb14e7e3cf0118555cd320ef75eaeaa

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