5d2ff0c2cbdf7f8a5b24fd3cbe4d690b5a239722771ab870ca7d0a2a44c64797

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2024, 08:58

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General

Target

5883adc63dff874885cb85522233266b.pdf
Size

81KB
MD5

5883adc63dff874885cb85522233266b
SHA1

596de197907b01ea2b2e84da0274347d11a508d7
SHA256

5d2ff0c2cbdf7f8a5b24fd3cbe4d690b5a239722771ab870ca7d0a2a44c64797
SHA512

f1b4fa944e695ef87015562e1b91a249f3cc04acd012910ee04c237a8d6556c1f5612bee60d679d7658c983b29114af4422c690a83cc55f3386e3158ec45c7fc
SSDEEP

1536:VN+C+eKDPp9uB7Ws65nI1LzHHoNLWwmE04OP5YWlP4d1HWnL:P+T8nynI1LT0q4Oh/Y1Hk

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4324	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4324 wrote to memory of 2796	4324	AcroRd32.exe	95
PID 4324 wrote to memory of 2796	4324	AcroRd32.exe	95
PID 4324 wrote to memory of 2796	4324	AcroRd32.exe	95
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 3708	2796	RdrCEF.exe	96
PID 2796 wrote to memory of 1544	2796	RdrCEF.exe	97
PID 2796 wrote to memory of 1544	2796	RdrCEF.exe	97
PID 2796 wrote to memory of 1544	2796	RdrCEF.exe	97
PID 2796 wrote to memory of 1544	2796	RdrCEF.exe	97
PID 2796 wrote to memory of 1544	2796	RdrCEF.exe	97
PID 2796 wrote to memory of 1544	2796	RdrCEF.exe	97
PID 2796 wrote to memory of 1544	2796	RdrCEF.exe	97
PID 2796 wrote to memory of 1544	2796	RdrCEF.exe	97
PID 2796 wrote to memory of 1544	2796	RdrCEF.exe	97
PID 2796 wrote to memory of 1544	2796	RdrCEF.exe	97
PID 2796 wrote to memory of 1544	2796	RdrCEF.exe	97
PID 2796 wrote to memory of 1544	2796	RdrCEF.exe	97
PID 2796 wrote to memory of 1544	2796	RdrCEF.exe	97
PID 2796 wrote to memory of 1544	2796	RdrCEF.exe	97
PID 2796 wrote to memory of 1544	2796	RdrCEF.exe	97
PID 2796 wrote to memory of 1544	2796	RdrCEF.exe	97
PID 2796 wrote to memory of 1544	2796	RdrCEF.exe	97
PID 2796 wrote to memory of 1544	2796	RdrCEF.exe	97
PID 2796 wrote to memory of 1544	2796	RdrCEF.exe	97
PID 2796 wrote to memory of 1544	2796	RdrCEF.exe	97

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\5883adc63dff874885cb85522233266b.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:4324
- 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:2796
- - 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=0F8FF429B04F1F686F64BE55C87B5A2C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3708
- - 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=4C57736CB19399C233152648BADC9A69 --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=4C57736CB19399C233152648BADC9A69 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1544
- - 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=7BD58A0AFFF9CB55ED4596FD0D869169 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4212
- - 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=D9D60A81A1A521C26E1FB26BF020B0BB --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=D9D60A81A1A521C26E1FB26BF020B0BB --renderer-client-id=5 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1188
- - 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=20BB5E38A73C26693EF4F4086DCB069D --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1828
- - 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=607568B32F0042E9B02747F3C05761A4 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:116

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1300

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
6d79ac5e0d32be7277b07ef830342121

SHA1
2d5d37972d9aec392bdc4a6d0aea265ffc663d21

SHA256
d72114984334a0eee2d4094fb74f1d7cb40e5f2cea29d1c7328ce12772989e17

SHA512
ee5d4e3468d2ce50e36a658a2bb2bbc1f208087ae4ed2b7ebff412998b9cbfada63eb52768329df0ee9a672ffaafa75885275c0955c54ed634e16e5bb59ea986

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/4324-25-0x000000000B510000-0x000000000B560000-memory.dmp

Filesize
320KB

Download
memory/4324-27-0x000000000B510000-0x000000000B531000-memory.dmp

Filesize
132KB

Download