12b9874e79349efb60493313efe0f9c76148f6b39610facbe8901c0f662d5638

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-03-2024 17:49

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General

Target

12b9874e79349efb60493313efe0f9c76148f6b39610facbe8901c0f662d5638.pdf
Size

486KB
MD5

188753636edbfd748f90d16e5d1aeed8
SHA1

90b86c2163ec575433c475cd2413348c0ea87e14
SHA256

12b9874e79349efb60493313efe0f9c76148f6b39610facbe8901c0f662d5638
SHA512

9232dd723e41ec30f7500c8d9e6e2d1ee1da4d69167db14d25a50528b216d15011ccd9f050ddf5381b03d4e3ff1fe16f844c31ae435695b846c187c9121dccb2
SSDEEP

12288:bJ7LumPARM16SM8O72K2PKpZ1nYQ+Ed+g3K9aL+1RWfVbnkt:dLumPd16fCJAvYuoa0HIVbn4

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4304	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe
4304	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4304 wrote to memory of 4128	4304	AcroRd32.exe	92
PID 4304 wrote to memory of 4128	4304	AcroRd32.exe	92
PID 4304 wrote to memory of 4128	4304	AcroRd32.exe	92
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4064	4128	RdrCEF.exe	93
PID 4128 wrote to memory of 4136	4128	RdrCEF.exe	94
PID 4128 wrote to memory of 4136	4128	RdrCEF.exe	94
PID 4128 wrote to memory of 4136	4128	RdrCEF.exe	94
PID 4128 wrote to memory of 4136	4128	RdrCEF.exe	94
PID 4128 wrote to memory of 4136	4128	RdrCEF.exe	94
PID 4128 wrote to memory of 4136	4128	RdrCEF.exe	94
PID 4128 wrote to memory of 4136	4128	RdrCEF.exe	94
PID 4128 wrote to memory of 4136	4128	RdrCEF.exe	94
PID 4128 wrote to memory of 4136	4128	RdrCEF.exe	94
PID 4128 wrote to memory of 4136	4128	RdrCEF.exe	94
PID 4128 wrote to memory of 4136	4128	RdrCEF.exe	94
PID 4128 wrote to memory of 4136	4128	RdrCEF.exe	94
PID 4128 wrote to memory of 4136	4128	RdrCEF.exe	94
PID 4128 wrote to memory of 4136	4128	RdrCEF.exe	94
PID 4128 wrote to memory of 4136	4128	RdrCEF.exe	94
PID 4128 wrote to memory of 4136	4128	RdrCEF.exe	94
PID 4128 wrote to memory of 4136	4128	RdrCEF.exe	94
PID 4128 wrote to memory of 4136	4128	RdrCEF.exe	94
PID 4128 wrote to memory of 4136	4128	RdrCEF.exe	94
PID 4128 wrote to memory of 4136	4128	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\12b9874e79349efb60493313efe0f9c76148f6b39610facbe8901c0f662d5638.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:4304
- 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:4128
- - 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=65BE5F3007B84A524B0BD1B9C8F7AD54 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4064
- - 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=472B5DC2496EFE89DC0EE4A7059777BC --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=472B5DC2496EFE89DC0EE4A7059777BC --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4136
- - 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=3A14052EBFC412D3DF76BD5BE8183930 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1664
- - 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=A2C538F3FD04FA2D571ABD3A369CACB1 --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=A2C538F3FD04FA2D571ABD3A369CACB1 --renderer-client-id=5 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:752
- - 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=790FF29003D2CB33E5DB98DE6B8E1A3A --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4864
- - 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=9B567BD09B6953AE40DA8762E0EC0DD6 --mojo-platform-channel-handle=2364 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1156

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3576

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
c9084fcca8137da97d60a64761565f0e

SHA1
8a02ae7cd82e8f86a487289b4e6d1285365f1e9f

SHA256
f360d4ee43795f14edcfec1091457a8e8e168be59716e4cbc634c661552e0f56

SHA512
6e7eebb257ce50103c9e8810f0729c47712bacf4fd4bb8b00498026da3c95ec8876d938b65b33fd175f79c1cca50ac277e95555350f63cf5efac982cac5bac1f

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