b09d950249197cf0f932f8c7c22d544fcba362d16f11e1e0e695a45f412edbc0

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 01:32

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General

Target

d4e05f75a8c4583d11e65f346c76093a.pdf
Size

90KB
MD5

d4e05f75a8c4583d11e65f346c76093a
SHA1

f0e3d15d5be3d1d8846d60622b634ef49a7d0dbb
SHA256

b09d950249197cf0f932f8c7c22d544fcba362d16f11e1e0e695a45f412edbc0
SHA512

ef86c8be2deb64234be01b3f7b5a6d4f4c2846dad6ae69cb0eca401dbce3a27200401e8483ae7dfe8ddbe26b2bd21b4c2b82ada9829c3d2485c41018d83d0660
SSDEEP

1536:+mczFCm9VyzAPzv/k01BUl0DojG8hYbH4YnKFBM/nt2W4nZZ0orAWfn07QlX32x5:Az1pD/bBdojhWbHXKFC/tGZZ0or3dWgK

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3864	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe
3864	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3864 wrote to memory of 4728	3864	AcroRd32.exe	92
PID 3864 wrote to memory of 4728	3864	AcroRd32.exe	92
PID 3864 wrote to memory of 4728	3864	AcroRd32.exe	92
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 2504	4728	RdrCEF.exe	93
PID 4728 wrote to memory of 3912	4728	RdrCEF.exe	94
PID 4728 wrote to memory of 3912	4728	RdrCEF.exe	94
PID 4728 wrote to memory of 3912	4728	RdrCEF.exe	94
PID 4728 wrote to memory of 3912	4728	RdrCEF.exe	94
PID 4728 wrote to memory of 3912	4728	RdrCEF.exe	94
PID 4728 wrote to memory of 3912	4728	RdrCEF.exe	94
PID 4728 wrote to memory of 3912	4728	RdrCEF.exe	94
PID 4728 wrote to memory of 3912	4728	RdrCEF.exe	94
PID 4728 wrote to memory of 3912	4728	RdrCEF.exe	94
PID 4728 wrote to memory of 3912	4728	RdrCEF.exe	94
PID 4728 wrote to memory of 3912	4728	RdrCEF.exe	94
PID 4728 wrote to memory of 3912	4728	RdrCEF.exe	94
PID 4728 wrote to memory of 3912	4728	RdrCEF.exe	94
PID 4728 wrote to memory of 3912	4728	RdrCEF.exe	94
PID 4728 wrote to memory of 3912	4728	RdrCEF.exe	94
PID 4728 wrote to memory of 3912	4728	RdrCEF.exe	94
PID 4728 wrote to memory of 3912	4728	RdrCEF.exe	94
PID 4728 wrote to memory of 3912	4728	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\d4e05f75a8c4583d11e65f346c76093a.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:3864
- 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:4728
- - 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=3B9B4A183641862F39B8FF04C63FA0D6 --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=3B9B4A183641862F39B8FF04C63FA0D6 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2504
- - 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=71A168C5CD8A0EBF2C9FF84ABCC49B34 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3912
- - 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=601716A6BFD31E55D96F8D0E1B034514 --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=601716A6BFD31E55D96F8D0E1B034514 --renderer-client-id=4 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2340
- - 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=EE3D04AA6552887DD7183E95B3BF6DA5 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5052
- - 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=9DB2E0C6E21A32D773F159AD78D4B095 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2864
- - 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=D6816AE5CC1AF9A7ECD03788FEBAC556 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3728

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:776

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
0efaad2b0736bd9b0e4629cafeea2ec1

SHA1
0498a4cdf12e53b3b4a1eec742857a92a3941891

SHA256
821e087c22d7451f33084a5a595575074bb24700500f530d9dc1d46707337b82

SHA512
60a60e1aabea887b2b17fc8a8856a81d5d09370761e86127d31d4702a3bdb89831f8d33da5801eb33fd2e3b00c6366128898c5c9ef60226e0cf706c1d8bd6e60

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