e6a64f70903ee0b934f9f710e5faf0ba0e7948ca85155d2b75e6f98a4bb65d66

Analysis

max time kernel
159s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 15:32

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General

Target

da2b945f377cd9750070eecb4617b551.pdf
Size

44KB
MD5

da2b945f377cd9750070eecb4617b551
SHA1

7de5cd31717840b793ececabc6df484f0a242066
SHA256

e6a64f70903ee0b934f9f710e5faf0ba0e7948ca85155d2b75e6f98a4bb65d66
SHA512

878dfce22b64dcda75b3caf4a305ad0598e5a8e30f5496e2d980dc0aa24e1c9807b9b2465dd7b0f7c5727b57fef87d5e9621d6f8001fe6ba12e2afac5c05891e
SSDEEP

768:pF+LFqaQT9ZJkmw9nH++j0aYibBR8f2OfDsuRIIIIIIh4i2IGp7O6M0dbV:U4v6Hz0a51R8f2SDsaIIIIIIhYIGpKRM

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1404	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe
1404	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 3916	1404	AcroRd32.exe	96
PID 1404 wrote to memory of 3916	1404	AcroRd32.exe	96
PID 1404 wrote to memory of 3916	1404	AcroRd32.exe	96
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4208	3916	RdrCEF.exe	99
PID 3916 wrote to memory of 4076	3916	RdrCEF.exe	100
PID 3916 wrote to memory of 4076	3916	RdrCEF.exe	100
PID 3916 wrote to memory of 4076	3916	RdrCEF.exe	100
PID 3916 wrote to memory of 4076	3916	RdrCEF.exe	100
PID 3916 wrote to memory of 4076	3916	RdrCEF.exe	100
PID 3916 wrote to memory of 4076	3916	RdrCEF.exe	100
PID 3916 wrote to memory of 4076	3916	RdrCEF.exe	100
PID 3916 wrote to memory of 4076	3916	RdrCEF.exe	100
PID 3916 wrote to memory of 4076	3916	RdrCEF.exe	100
PID 3916 wrote to memory of 4076	3916	RdrCEF.exe	100
PID 3916 wrote to memory of 4076	3916	RdrCEF.exe	100
PID 3916 wrote to memory of 4076	3916	RdrCEF.exe	100
PID 3916 wrote to memory of 4076	3916	RdrCEF.exe	100
PID 3916 wrote to memory of 4076	3916	RdrCEF.exe	100
PID 3916 wrote to memory of 4076	3916	RdrCEF.exe	100
PID 3916 wrote to memory of 4076	3916	RdrCEF.exe	100
PID 3916 wrote to memory of 4076	3916	RdrCEF.exe	100
PID 3916 wrote to memory of 4076	3916	RdrCEF.exe	100
PID 3916 wrote to memory of 4076	3916	RdrCEF.exe	100
PID 3916 wrote to memory of 4076	3916	RdrCEF.exe	100

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\da2b945f377cd9750070eecb4617b551.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3916
- - 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=E9E6C3008208ED27A9BD2875729ECDFC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=371388610F9DEDD639BF65EF54AD50B5 --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=371388610F9DEDD639BF65EF54AD50B5 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4076
- - 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=4934EB68FD929CDF5C128B9D599108CE --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4796
- - 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=756F661F1042F39E683E18BF8F5B5E52 --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=756F661F1042F39E683E18BF8F5B5E52 --renderer-client-id=5 --mojo-platform-channel-handle=1812 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1184
- - 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=AA6885CD6709528606E299219C581920 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:692
- - 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=E94FA00E24D54A1A33824CC2B621C438 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2104

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1468

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
0278fb722161d92ef46380696c3aa956

SHA1
a557ad9d616e54cb27bbeea44efbe873be3f7cfb

SHA256
1709cd9e5fe5dc173eef585beb0d2a549785f89127955ac4944c336128b2c768

SHA512
da46c06b768aad9cba8ee51bcadc783af10b63d2e066b20f7340eaa348ed30ed6a216b3c3dc57795404f8cb8209ac5cc10532952b3bc316880357c0ac9d99552

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