dfbda90fa7c2a0058a3070f90c4c5560c1cb71d387e389326b92d7494f445fe4

Analysis

max time kernel
168s
max time network
189s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 14:09

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General

Target

393d7d5bc5b0bffd6809079c1af8828d.pdf
Size

101KB
MD5

393d7d5bc5b0bffd6809079c1af8828d
SHA1

731d7fa70c302d35f1ea1fa54ac7c578ac9270e3
SHA256

dfbda90fa7c2a0058a3070f90c4c5560c1cb71d387e389326b92d7494f445fe4
SHA512

809c5ae633afaa47bd3a52555f242159215c21a1e7db85a96c4e524c10c72c80ab0fb19d3226ba75864b121b60b308d32c264e4f2554c6fbd32341c56b0651e1
SSDEEP

1536:a7CoiHBHc8YRKehAZOgEdr4yWI4qfhWz67kDJ1akvYr6CWXYr3R635RUWwpOSm4m:BogHKKSMEdZWIxEdbakc6mli5RzS6

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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3180	AcroRd32.exe
3180	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3180	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe
3180	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3180 wrote to memory of 4316	3180	AcroRd32.exe	102
PID 3180 wrote to memory of 4316	3180	AcroRd32.exe	102
PID 3180 wrote to memory of 4316	3180	AcroRd32.exe	102
PID 3180 wrote to memory of 3088	3180	AcroRd32.exe	106
PID 3180 wrote to memory of 3088	3180	AcroRd32.exe	106
PID 3180 wrote to memory of 3088	3180	AcroRd32.exe	106
PID 3180 wrote to memory of 5116	3180	AcroRd32.exe	107
PID 3180 wrote to memory of 5116	3180	AcroRd32.exe	107
PID 3180 wrote to memory of 5116	3180	AcroRd32.exe	107
PID 3180 wrote to memory of 4692	3180	AcroRd32.exe	108
PID 3180 wrote to memory of 4692	3180	AcroRd32.exe	108
PID 3180 wrote to memory of 4692	3180	AcroRd32.exe	108
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 3868	5116	RdrCEF.exe	111
PID 5116 wrote to memory of 4184	5116	RdrCEF.exe	112
PID 5116 wrote to memory of 4184	5116	RdrCEF.exe	112
PID 5116 wrote to memory of 4184	5116	RdrCEF.exe	112
PID 5116 wrote to memory of 4184	5116	RdrCEF.exe	112
PID 5116 wrote to memory of 4184	5116	RdrCEF.exe	112
PID 5116 wrote to memory of 4184	5116	RdrCEF.exe	112
PID 5116 wrote to memory of 4184	5116	RdrCEF.exe	112
PID 5116 wrote to memory of 4184	5116	RdrCEF.exe	112
PID 5116 wrote to memory of 4184	5116	RdrCEF.exe	112
PID 5116 wrote to memory of 4184	5116	RdrCEF.exe	112
PID 5116 wrote to memory of 4184	5116	RdrCEF.exe	112

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\393d7d5bc5b0bffd6809079c1af8828d.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:3180
- 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⤵
  PID:4316
- 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⤵
  PID:3088
- 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:5116
- - 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=6AFEE705D51F0D66B308A909B87EC953 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3868
- - 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=55B0FAFB21C40470CEC59840443B3F13 --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=55B0FAFB21C40470CEC59840443B3F13 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4184
- 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⤵
  PID:4692

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
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