311c36cc5815c220cbb5d0c8e3a6ae0b48c946fe1a465433f37712e0517f4824

Analysis

max time kernel
141s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 13:17

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General

Target

7a5a64a3f4097039c357d30fb734ae3d.pdf
Size

86KB
MD5

7a5a64a3f4097039c357d30fb734ae3d
SHA1

850e903fb7c7eccb107cbe2c9305b2bb00e60537
SHA256

311c36cc5815c220cbb5d0c8e3a6ae0b48c946fe1a465433f37712e0517f4824
SHA512

e430a047c6bbd02324a5ffa1879b1c0264a343ee0e6ea135439f9fe41e29813d9f206f3a93043186ac85fcc2f0ced018c91316403b867a2e0c39fe1bbfa1d583
SSDEEP

1536:bYawD/ty0uSIOUfone9UJKQDSM/eOl/3UWxApOGzWpxV1L7UEqAe:MawDlPP53GQ13GKxvK

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2244	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 4600	2244	AcroRd32.exe	90
PID 2244 wrote to memory of 4600	2244	AcroRd32.exe	90
PID 2244 wrote to memory of 4600	2244	AcroRd32.exe	90
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 3284	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 2128	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 2128	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 2128	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 2128	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 2128	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 2128	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 2128	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 2128	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 2128	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 2128	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 2128	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 2128	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 2128	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 2128	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 2128	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 2128	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 2128	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 2128	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 2128	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 2128	4600	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\7a5a64a3f4097039c357d30fb734ae3d.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:2244
- 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:4600
- - 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=CC26F8AEC0753EE9074EC61053A18E93 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3284
- - 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=67457BA3F1D74FE95AE43D1DD853CD94 --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=67457BA3F1D74FE95AE43D1DD853CD94 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2128
- - 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=7168AEBA9E2737C027A0D77E10DB36DD --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4032
- - 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=68A6E7D27061ED4F107C10AD4F34AD84 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:920
- - 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=6CE821D1032455B799DBA3DCB3C92F8B --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=6CE821D1032455B799DBA3DCB3C92F8B --renderer-client-id=6 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1760
- - 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=40ABD6B8E6BF457D53873A5D75DCB8B7 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4844

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2756

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
4d8ea3f920003ca759b560c3e02627bf

SHA1
8e8d6562fb7f8c91522d705c20b13a942176185c

SHA256
c83c9fbff14e762bf11555124961754dfff6a6e40c3ca2e5ffa8deba2cfd019d

SHA512
9c1bbb5493130288b181fa53df937e590ade8a8fead9d0d7a1704b0116b4d46584ec7c4d21f9f0b2b6aecb14dcb28c970488b4d3edfc83614ef0fda3a836b453

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
memory/2244-28-0x000000000BBC0000-0x000000000BBE1000-memory.dmp

Filesize
132KB

Download