1a99631eebb55247ce0f7ecc635a3732ca6185477cb1031c5cd9d992d4e609ef

Analysis

max time kernel
148s
max time network
155s
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 06:51

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General

Target

117a6c18def5a62ffc9686e9507ebde3.pdf
Size

87KB
MD5

117a6c18def5a62ffc9686e9507ebde3
SHA1

8aa80e989fa8ba9506fbfd160fd2395dbe0c31f6
SHA256

1a99631eebb55247ce0f7ecc635a3732ca6185477cb1031c5cd9d992d4e609ef
SHA512

695467661aedeafac625664f47e65283c7b082426448f511ad43783acad52e545f8201d91a63a3271b8f6fd8eba262c0bf1815abc7fdb2574defcf63d674bdaf
SSDEEP

1536:AFZTbVGhLRv0OocB9HVPudA3vcaI/UWOpOwrKWG80cFTHBdNm2l:qTbVGRRv0OocB9H9iA3vcx/xwrMcFTHp

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4996	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4996 wrote to memory of 1156	4996	AcroRd32.exe	91
PID 4996 wrote to memory of 1156	4996	AcroRd32.exe	91
PID 4996 wrote to memory of 1156	4996	AcroRd32.exe	91
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 4476	1156	RdrCEF.exe	92
PID 1156 wrote to memory of 2744	1156	RdrCEF.exe	93
PID 1156 wrote to memory of 2744	1156	RdrCEF.exe	93
PID 1156 wrote to memory of 2744	1156	RdrCEF.exe	93
PID 1156 wrote to memory of 2744	1156	RdrCEF.exe	93
PID 1156 wrote to memory of 2744	1156	RdrCEF.exe	93
PID 1156 wrote to memory of 2744	1156	RdrCEF.exe	93
PID 1156 wrote to memory of 2744	1156	RdrCEF.exe	93
PID 1156 wrote to memory of 2744	1156	RdrCEF.exe	93
PID 1156 wrote to memory of 2744	1156	RdrCEF.exe	93
PID 1156 wrote to memory of 2744	1156	RdrCEF.exe	93
PID 1156 wrote to memory of 2744	1156	RdrCEF.exe	93
PID 1156 wrote to memory of 2744	1156	RdrCEF.exe	93
PID 1156 wrote to memory of 2744	1156	RdrCEF.exe	93
PID 1156 wrote to memory of 2744	1156	RdrCEF.exe	93
PID 1156 wrote to memory of 2744	1156	RdrCEF.exe	93
PID 1156 wrote to memory of 2744	1156	RdrCEF.exe	93
PID 1156 wrote to memory of 2744	1156	RdrCEF.exe	93
PID 1156 wrote to memory of 2744	1156	RdrCEF.exe	93
PID 1156 wrote to memory of 2744	1156	RdrCEF.exe	93
PID 1156 wrote to memory of 2744	1156	RdrCEF.exe	93

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\117a6c18def5a62ffc9686e9507ebde3.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:4996
- 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:1156
- - 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=5F6C16354D289CC8AEFA5A68FA664BD7 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4476
- - 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=8C31F1A2E7B0AAADB8FB0F13C2C913E8 --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=8C31F1A2E7B0AAADB8FB0F13C2C913E8 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2744
- - 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=5C8ED5FA1622DBE510D9BBCE3306CDB6 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3256
- - 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=8C0A46596C76D47C9875340FF9D4BFB4 --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=8C0A46596C76D47C9875340FF9D4BFB4 --renderer-client-id=5 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4616
- - 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=6A90074631462D1BCE20C1DBBC3017AF --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3876
- - 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=2A6D3BA0F8B11533BB5FF2C6854E60D3 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2648

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
8eb9c9abaab76b9c0cee052a09b8543f

SHA1
50cd1bb67eea5de719b9cb1b62cf02dcc04129cf

SHA256
a9c9fa78e84593464f7f482faed32bf51b9045f65ab64e6c2a6eea4eae2e3f57

SHA512
0eaafc9a3ccb124a7685b35d04489497b00856f3e944acffd490a11b07b0037f3b2fcbc0b99210aa8ce52601e3442643e33d2d02d85be28f510dea33c99d3111

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