606f3b59552eed2dafdc3d5c45ac2e3cbc147be1611dcf8bf2a1ce0a1f87770c

Analysis

max time kernel
142s
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
13/02/2024, 18:05

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General

Target

99c9c3d8aca4f2e296599b9ba40d031b.pdf
Size

54KB
MD5

99c9c3d8aca4f2e296599b9ba40d031b
SHA1

c8427c0c82adcdda9d10947b8b61655d11b35e9a
SHA256

606f3b59552eed2dafdc3d5c45ac2e3cbc147be1611dcf8bf2a1ce0a1f87770c
SHA512

14a9747ecbb206c95c0b1040396368d50b1cee4f68e14be74f81870a6285f7000de4fdd75ed02df27c48e7013c27ad023c0ddf3c5968f6b5280b1efbc042c9fe
SSDEEP

768:f4z4QM+vyIOgXyYfx8ZTLZIAIuOfcUoLmL1HZ61JiXiZ7uG+NBV2bQWhxtH:sM+tTiYZo/BIQU4Y8IVG+iQWVH

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2464	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe
2464	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 4556	2464	AcroRd32.exe	84
PID 2464 wrote to memory of 4556	2464	AcroRd32.exe	84
PID 2464 wrote to memory of 4556	2464	AcroRd32.exe	84
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1652	4556	RdrCEF.exe	85
PID 4556 wrote to memory of 1908	4556	RdrCEF.exe	86
PID 4556 wrote to memory of 1908	4556	RdrCEF.exe	86
PID 4556 wrote to memory of 1908	4556	RdrCEF.exe	86
PID 4556 wrote to memory of 1908	4556	RdrCEF.exe	86
PID 4556 wrote to memory of 1908	4556	RdrCEF.exe	86
PID 4556 wrote to memory of 1908	4556	RdrCEF.exe	86
PID 4556 wrote to memory of 1908	4556	RdrCEF.exe	86
PID 4556 wrote to memory of 1908	4556	RdrCEF.exe	86
PID 4556 wrote to memory of 1908	4556	RdrCEF.exe	86
PID 4556 wrote to memory of 1908	4556	RdrCEF.exe	86
PID 4556 wrote to memory of 1908	4556	RdrCEF.exe	86
PID 4556 wrote to memory of 1908	4556	RdrCEF.exe	86
PID 4556 wrote to memory of 1908	4556	RdrCEF.exe	86
PID 4556 wrote to memory of 1908	4556	RdrCEF.exe	86
PID 4556 wrote to memory of 1908	4556	RdrCEF.exe	86
PID 4556 wrote to memory of 1908	4556	RdrCEF.exe	86
PID 4556 wrote to memory of 1908	4556	RdrCEF.exe	86
PID 4556 wrote to memory of 1908	4556	RdrCEF.exe	86
PID 4556 wrote to memory of 1908	4556	RdrCEF.exe	86
PID 4556 wrote to memory of 1908	4556	RdrCEF.exe	86

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\99c9c3d8aca4f2e296599b9ba40d031b.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:2464
- 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:4556
- - 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=1BCDC99B168414C1C2F09BFA04E6B732 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1652
- - 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=DE6ED8F976A9641CB1E6C1037F706C9D --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=DE6ED8F976A9641CB1E6C1037F706C9D --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1908
- - 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=BEA0404C6EA0FBA972DF0F2B62CF27D2 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3020
- - 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=CD0C4EEB95B3E632D56F7C8FE07CCDA2 --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=CD0C4EEB95B3E632D56F7C8FE07CCDA2 --renderer-client-id=5 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:640
- - 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=07CEF8D92891B9D6DE22252A8E0F143F --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5080
- - 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=210B6B3310DF8AEDCB24D6EF1DB9B10D --mojo-platform-channel-handle=2800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3972

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3184

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
64d0aa308c08c9c201cc28a3c504ee1c

SHA1
b64bea53c6743886e6929a2c8e92f63558546da2

SHA256
9a0d96c05f3b5104ed319c504d4e39e6edac6860c3752a6fda90e10a96c86b59

SHA512
6e44fa9c062d8e8b4b8c8aad539e9e6df2f3bdb4dfcf2fe9015a3745e0f4bde6269f2dcb8bfde5e72538c37cb99ddd5c74ea69532aa3b55294afffed6a347c93

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