da4369ef374fab8ff99502ae78325ba4825c0c93dd81cf851f8d88d13d63fbbc

Analysis

max time kernel
4s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 03:28

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General

Target

5b004f568d38794d5294afdd7e74e07a.pdf
Size

34KB
MD5

5b004f568d38794d5294afdd7e74e07a
SHA1

e9e848a4892632ce1a29ac430fa9edd895855b82
SHA256

da4369ef374fab8ff99502ae78325ba4825c0c93dd81cf851f8d88d13d63fbbc
SHA512

c59c695c07250f73e53aab7d07fa975ecb45243f3a50c90a5eeaaad07384dcf95e7a15a0cec8cedb57b56609c7d60a1aaf09f5d8195937431d83ebfded3e9981
SSDEEP

768:IMfmsWNhkn2ixU+nvbsavfQIzWRISHs0RHvwltLZIRH2VZ0vaEMgUoD2mdjU:hvbsa3QKBZWYZoMgamq

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4036	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4036	AcroRd32.exe
4036	AcroRd32.exe
4036	AcroRd32.exe
4036	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4036 wrote to memory of 4628	4036	AcroRd32.exe	92
PID 4036 wrote to memory of 4628	4036	AcroRd32.exe	92
PID 4036 wrote to memory of 4628	4036	AcroRd32.exe	92
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 1568	4628	RdrCEF.exe	93
PID 4628 wrote to memory of 5096	4628	RdrCEF.exe	94
PID 4628 wrote to memory of 5096	4628	RdrCEF.exe	94
PID 4628 wrote to memory of 5096	4628	RdrCEF.exe	94
PID 4628 wrote to memory of 5096	4628	RdrCEF.exe	94
PID 4628 wrote to memory of 5096	4628	RdrCEF.exe	94
PID 4628 wrote to memory of 5096	4628	RdrCEF.exe	94
PID 4628 wrote to memory of 5096	4628	RdrCEF.exe	94
PID 4628 wrote to memory of 5096	4628	RdrCEF.exe	94
PID 4628 wrote to memory of 5096	4628	RdrCEF.exe	94
PID 4628 wrote to memory of 5096	4628	RdrCEF.exe	94
PID 4628 wrote to memory of 5096	4628	RdrCEF.exe	94
PID 4628 wrote to memory of 5096	4628	RdrCEF.exe	94
PID 4628 wrote to memory of 5096	4628	RdrCEF.exe	94
PID 4628 wrote to memory of 5096	4628	RdrCEF.exe	94
PID 4628 wrote to memory of 5096	4628	RdrCEF.exe	94
PID 4628 wrote to memory of 5096	4628	RdrCEF.exe	94
PID 4628 wrote to memory of 5096	4628	RdrCEF.exe	94
PID 4628 wrote to memory of 5096	4628	RdrCEF.exe	94
PID 4628 wrote to memory of 5096	4628	RdrCEF.exe	94
PID 4628 wrote to memory of 5096	4628	RdrCEF.exe	94

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\5b004f568d38794d5294afdd7e74e07a.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4036
- 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:4628
- - 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=CC1E4ACEA1311048E195437E9912D50E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1568
- - 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=10E68467652E009908E0222A3E6E566F --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=10E68467652E009908E0222A3E6E566F --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5096
- - 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=AD754CAE07A7CFE6F5A0879290AB7612 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3484
- - 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=BFDB63A8D730A40F4C6AB910B63678F1 --mojo-platform-channel-handle=2400 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3128
- - 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=586A8534E42F2596B3D23A523AEEF563 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4112
- - 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=98F3C98A8E86993DF8EBABB6BD45ABFF --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=98F3C98A8E86993DF8EBABB6BD45ABFF --renderer-client-id=8 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4044

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4584

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
ed92d9108acb972b5b920bedb04600e6

SHA1
64d145f829e1dc2fd0ad77d10605a98d9e2a25b6

SHA256
60d5ba0dd9e22a7aff43578620f5ba95c4ae486f1b760ebfe7b8f381d47d38f4

SHA512
3ca55e3518069805332c92ff891486edb70702c100b983f5d0f9e77cbeac83da5145792cdda7aade266a42cd180dd642a835ca4875a97e0e9ab9cde276a97575

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
1KB

MD5
d0df5f9974138501424cb06472477adf

SHA1
9d143e2c9c48327c6fa0b4f2fb65be982037db51

SHA256
6c3615c908cb98afc062e70b7f985bf7b667fd8540a25824aa07a14b6b6a05d6

SHA512
9a7d8b47a8311e00ba206fee9bf0d42991a0caaf43492ea067bb6c9eb333a3231a35bae1efcd95add82d6dbfcfef5e10d42c084b9e73c5fdd7eadf8131324617

Download Submit
memory/4036-26-0x0000000009D30000-0x0000000009D80000-memory.dmp

Filesize
320KB

Download