578a88c673e12c8ac6966495700438eef84b5c455a6ac05add5642364cb8a748

Analysis

max time kernel
144s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 17:24

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General

Target

659a5e7d06683c9a560c1b6c2145e020.pdf
Size

78KB
MD5

659a5e7d06683c9a560c1b6c2145e020
SHA1

8753b9c2768ac5de12b638b12a721f36895e7e4c
SHA256

578a88c673e12c8ac6966495700438eef84b5c455a6ac05add5642364cb8a748
SHA512

18f1a7574136ae6bdb8aacc0917f4a597089198179e83aba39e89b27364daeba73ec2add10c715f0b907870b34c3345034d5b5ea75b4a4a33bae592b44c0a869
SSDEEP

1536:FEE+OO0VOGWeB7ohxcpScbA+JG+YuDpIWpEPueS/VeHKOWepOyKUIrzHAX:C14NohGLbA+JtY4pZEPueS/VWK/yKUIM

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4944	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe
4944	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 3800	4944	AcroRd32.exe	97
PID 4944 wrote to memory of 3800	4944	AcroRd32.exe	97
PID 4944 wrote to memory of 3800	4944	AcroRd32.exe	97
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 4300	3800	RdrCEF.exe	98
PID 3800 wrote to memory of 2656	3800	RdrCEF.exe	99
PID 3800 wrote to memory of 2656	3800	RdrCEF.exe	99
PID 3800 wrote to memory of 2656	3800	RdrCEF.exe	99
PID 3800 wrote to memory of 2656	3800	RdrCEF.exe	99
PID 3800 wrote to memory of 2656	3800	RdrCEF.exe	99
PID 3800 wrote to memory of 2656	3800	RdrCEF.exe	99
PID 3800 wrote to memory of 2656	3800	RdrCEF.exe	99
PID 3800 wrote to memory of 2656	3800	RdrCEF.exe	99
PID 3800 wrote to memory of 2656	3800	RdrCEF.exe	99
PID 3800 wrote to memory of 2656	3800	RdrCEF.exe	99
PID 3800 wrote to memory of 2656	3800	RdrCEF.exe	99
PID 3800 wrote to memory of 2656	3800	RdrCEF.exe	99
PID 3800 wrote to memory of 2656	3800	RdrCEF.exe	99
PID 3800 wrote to memory of 2656	3800	RdrCEF.exe	99
PID 3800 wrote to memory of 2656	3800	RdrCEF.exe	99
PID 3800 wrote to memory of 2656	3800	RdrCEF.exe	99
PID 3800 wrote to memory of 2656	3800	RdrCEF.exe	99
PID 3800 wrote to memory of 2656	3800	RdrCEF.exe	99
PID 3800 wrote to memory of 2656	3800	RdrCEF.exe	99
PID 3800 wrote to memory of 2656	3800	RdrCEF.exe	99

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\659a5e7d06683c9a560c1b6c2145e020.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:4944
- 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:3800
- - 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=37B60CDF3808A1CD934013B10F4FB120 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4300
- - 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=3D7DF59520227A36FC2232BA63D7A9DC --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=3D7DF59520227A36FC2232BA63D7A9DC --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2656
- - 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=383C0B67786648F325081A29D44AA2C8 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2820
- - 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=BAADC7E4136DB572C8C615D74707AC56 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4864
- - 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=237969EC3F0696C812492C29817467EF --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=237969EC3F0696C812492C29817467EF --renderer-client-id=6 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:968
- - 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=B59FCC1DF7AC5AEC95B372D38280A6AE --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4060

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1504

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
0612fd63a4de9a3e8ceb24608dc2c559

SHA1
95dbd63b3ce4b8ca5177cb2de3563ad335ba00f5

SHA256
adde7ecf3c49d8040d8054965dd690ba8f62dfe6e7eb11ea1d7ea312727fafde

SHA512
a12a21c1854964ec6aed5291d1c62db562aba8d06b1ff25f47ebb4c35e6d0b2a8f9beaed15a6fbeff4cc6cfc465d290c64b1635a6999b62398838ff1d0a5cc10

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/4944-26-0x0000000008FE0000-0x0000000009030000-memory.dmp

Filesize
320KB

Download