715fc5b5a9d55beb24cc237472e4cff1603c4512f984cc3ac5a61f0c53eb1bc6

Analysis

max time kernel
142s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 23:04

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General

Target

715fc5b5a9d55beb24cc237472e4cff1603c4512f984cc3ac5a61f0c53eb1bc6.pdf
Size

5.0MB
MD5

0e2c298c5db6ff472c6095fd5b8b21da
SHA1

7448cfc93a06fcd41717c83f36c98f42ce41a09c
SHA256

715fc5b5a9d55beb24cc237472e4cff1603c4512f984cc3ac5a61f0c53eb1bc6
SHA512

8b898bc65589130dc67b0f3a3abb9be2b8d5b3abb66834e87466f306e622505457064f83efe7c1ad512284e031b1fe201e71b16bd069cbce9c1f5c8c1e7c0d5b
SSDEEP

98304:yzWlqGWWz76ADF6enAJEozKXLTe70gAnWBi7zpY3SVE3TVlruolaE513qQE:yzWlqGWWiADEIAJY7DgAkmlY3tVFbRLi

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-1-5-21-3844919115-497234255-166257750-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3720	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe
3720	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3720 wrote to memory of 3448	3720	AcroRd32.exe	85
PID 3720 wrote to memory of 3448	3720	AcroRd32.exe	85
PID 3720 wrote to memory of 3448	3720	AcroRd32.exe	85
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 5004	3448	RdrCEF.exe	86
PID 3448 wrote to memory of 636	3448	RdrCEF.exe	87
PID 3448 wrote to memory of 636	3448	RdrCEF.exe	87
PID 3448 wrote to memory of 636	3448	RdrCEF.exe	87
PID 3448 wrote to memory of 636	3448	RdrCEF.exe	87
PID 3448 wrote to memory of 636	3448	RdrCEF.exe	87
PID 3448 wrote to memory of 636	3448	RdrCEF.exe	87
PID 3448 wrote to memory of 636	3448	RdrCEF.exe	87
PID 3448 wrote to memory of 636	3448	RdrCEF.exe	87
PID 3448 wrote to memory of 636	3448	RdrCEF.exe	87
PID 3448 wrote to memory of 636	3448	RdrCEF.exe	87
PID 3448 wrote to memory of 636	3448	RdrCEF.exe	87
PID 3448 wrote to memory of 636	3448	RdrCEF.exe	87
PID 3448 wrote to memory of 636	3448	RdrCEF.exe	87
PID 3448 wrote to memory of 636	3448	RdrCEF.exe	87
PID 3448 wrote to memory of 636	3448	RdrCEF.exe	87
PID 3448 wrote to memory of 636	3448	RdrCEF.exe	87
PID 3448 wrote to memory of 636	3448	RdrCEF.exe	87
PID 3448 wrote to memory of 636	3448	RdrCEF.exe	87
PID 3448 wrote to memory of 636	3448	RdrCEF.exe	87
PID 3448 wrote to memory of 636	3448	RdrCEF.exe	87

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\715fc5b5a9d55beb24cc237472e4cff1603c4512f984cc3ac5a61f0c53eb1bc6.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:3720
- 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:3448
- - 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=5704E1A75124BAA99ECC7B72DD4B894E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5004
- - 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=415F3A92220E059007DD93BFA734EC4C --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=415F3A92220E059007DD93BFA734EC4C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:636
- - 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=0ABA0DDF6035F43B80BE064326BBA756 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4908
- - 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=A3CB0D4C39A8905E3E95EBF9C3731BEF --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=A3CB0D4C39A8905E3E95EBF9C3731BEF --renderer-client-id=5 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4236
- - 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=13A0CF3F60460F41808F124A1D06765F --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3296
- - 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=66A07334B28CBAB5ADA5B4F261F1B839 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:32

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1548

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
fbabc3b9fcccf9ed526e292b934d6f2d

SHA1
782a54688bc616b92037d9d10bf774bd5da6fa62

SHA256
60d75eeae6d863d0dc42bf535e99c82ef248f49f0f1cb4dd06864808ac21f1d3

SHA512
3627a3b8a513a502b88e376d3350f3c2e014afd08bdbb5212cfbb94b02da45d723c635a022649e7b48d304e21789901ae3c94e0d0bf8f57c83309cb4355680c1

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
C:\Users\Admin\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents

Filesize
12KB

MD5
bd5ea42459e2e4804ba3f121360e1158

SHA1
6dfb2832c7c9551c4474b29ab1846121b21391b4

SHA256
2ba297642f0902d4c4b4b04092c0d1f58071d8fb464cd381b648b25442b0e8c4

SHA512
097774ec584fe5166f8be8ab46a3fbe199442e011dc3cc8116aff1fbda59e7ae4bb45b7aa82760da247ab4f802b8e0ddfb31836f22885d73cb0c44fffa733db1

Download Submit