c259bb023777b80bbcf5e17cc77746227788400ea49800699eef1220adcfe7d4

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 11:39

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General

Target

1613bf253c5841d75599744dfdfef05b.pdf
Size

80KB
MD5

1613bf253c5841d75599744dfdfef05b
SHA1

335712e4099a40e242a09ff80e9a73c214d8e73f
SHA256

c259bb023777b80bbcf5e17cc77746227788400ea49800699eef1220adcfe7d4
SHA512

18776f65f0af604c5baaa9d357aacd0066c1862857be5a4fcc5362d7fc85d6949b52512e530edc2f1e4a28b69cdca89f805f9a2ef0fcd638d2f8e72b6df0d386
SSDEEP

1536:4g8rzvflgS6QUdSZDwfF99PiD5UdVWapOnyBd6WDOPMkoh:Qrby9dT99Pg56mnyBdNOU/

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4092	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4092 wrote to memory of 4596	4092	AcroRd32.exe	93
PID 4092 wrote to memory of 4596	4092	AcroRd32.exe	93
PID 4092 wrote to memory of 4596	4092	AcroRd32.exe	93
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 4316	4596	RdrCEF.exe	94
PID 4596 wrote to memory of 2724	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 2724	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 2724	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 2724	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 2724	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 2724	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 2724	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 2724	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 2724	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 2724	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 2724	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 2724	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 2724	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 2724	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 2724	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 2724	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 2724	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 2724	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 2724	4596	RdrCEF.exe	95
PID 4596 wrote to memory of 2724	4596	RdrCEF.exe	95

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\1613bf253c5841d75599744dfdfef05b.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:4092
- 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:4596
- - 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=B7F3A8DADABA73DE05FA9D8D029387AB --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=D22E79B9BFA8D1B03A37B33D221D7F8E --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=D22E79B9BFA8D1B03A37B33D221D7F8E --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2724
- - 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=99EAE6F82EAB7451B25A2DF071A6BEFA --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4016
- - 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=A9BF1F608BA3796269C7BE13C7A941A7 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4604
- - 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=13B31B02C2958453E77A5D0D91866659 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4252
- - 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=13ED444EF26F1288B5F6BEE9EC8E8778 --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=13ED444EF26F1288B5F6BEE9EC8E8778 --renderer-client-id=8 --mojo-platform-channel-handle=2112 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2332

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1520

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
080b11c9dfa0054d42cfdfbfcf7566ca

SHA1
d8a2226b22bbbafb9171a96faeecffd118ee4e99

SHA256
95bfab4c5f96ef11bdd8be04ba0428a94b1e59075c4ae2b1e84526076d79e3a0

SHA512
b970aedef64fa85120d8426f96b2fcde56de0b72557d90bcea19e5ee13eb41f063f5f4e744cc9208ccb07eb9eb8507ec1a3ba89a175a3ebc745d07b0f3ff31ad

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/4092-134-0x0000000009F00000-0x000000000A04D000-memory.dmp

Filesize
1.3MB

Download