341513b2674dc5ab9aa56aa92dc777269b33d3cf670e6d034668e1b9699b358d

Analysis

max time kernel
195s
max time network
206s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 13:25

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General

Target

19eb1dc2af42be726402ef97fb0e1c26.pdf
Size

84KB
MD5

19eb1dc2af42be726402ef97fb0e1c26
SHA1

2648ea6be834f2eeb3d46c45566d2c5dfd7d8236
SHA256

341513b2674dc5ab9aa56aa92dc777269b33d3cf670e6d034668e1b9699b358d
SHA512

60488f0757d86cc369dd08ced1f24e0e1282e27fed31aece1c70d15302295b8d2343d40490cb2abb47cf3f99211ef29e10090914d48da62eb763ee04b33ebc7e
SSDEEP

1536:M2eWaTO9Y90MOB9D/yJ8cDCAidYuJhkBeMjtBPV3WPCCEgQWapOtQHWSbUVtje72:pk62ha5480CAidvJhkHjp3fCRJtQJbDa

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2496	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 4376	2496	AcroRd32.exe	94
PID 2496 wrote to memory of 4376	2496	AcroRd32.exe	94
PID 2496 wrote to memory of 4376	2496	AcroRd32.exe	94
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 1988	4376	RdrCEF.exe	96
PID 4376 wrote to memory of 4824	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 4824	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 4824	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 4824	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 4824	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 4824	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 4824	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 4824	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 4824	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 4824	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 4824	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 4824	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 4824	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 4824	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 4824	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 4824	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 4824	4376	RdrCEF.exe	97
PID 4376 wrote to memory of 4824	4376	RdrCEF.exe	97

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\19eb1dc2af42be726402ef97fb0e1c26.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:2496
- 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:4376
- - 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=D3D3A1F58B9B8D51A4FA1A8F0A174A79 --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=D3D3A1F58B9B8D51A4FA1A8F0A174A79 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1988
- - 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=458183CB8CF3046EC74C08B0F40B9DB5 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4824
- - 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=18128D8A55F14736D461BD9769E1E513 --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=18128D8A55F14736D461BD9769E1E513 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4884
- - 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=707B6625EA40436E3E93B3F1DE4F4BC6 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1080
- - 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=BA87C8E8570D3E383A02493220795A82 --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:64
- - 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=D81F88A6A3A5DDEEABD6A724C22C28B2 --mojo-platform-channel-handle=2076 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3460

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4300

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
acf048c8883815c4ed4468a2e1b02998

SHA1
f96390fb9784d96aa411e1042634f9526b0ac5f1

SHA256
2adcf2ae23a9ee91c23e13089a484b8d1c20e5a0fab8f754bdec3fe4ccb88c8f

SHA512
15023658975990c6c330a152f9017a401da91108dee905bf1fd1157db7569a8cac3d3e3147a5c5cc754e20e07b6da18d29ebf5e2b693df8604be51bac93c0bf5

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