0c9d9717c017ce173063aa938e37e97ccb1c37e35f784c4c8f8facbdacd18baa

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
06-07-2024 04:48

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General

Target

43a8ef3a5536073deb0c1f8b958718c0.pdf
Size

253KB
MD5

43a8ef3a5536073deb0c1f8b958718c0
SHA1

b35e843cef79ce4bedbdcd0153714fb9fcbd8149
SHA256

0c9d9717c017ce173063aa938e37e97ccb1c37e35f784c4c8f8facbdacd18baa
SHA512

2caa558137603dfcdf3fce393d1f14529fb67f386a3edd3ab7dbf29ce0855cdfc4bd3a0f885c8f22018ac45c623560db1a36f79d15247ac7dc8e5dd8345fb949
SSDEEP

6144:LMkvWS9wJtuAJQzo5Fd/ORH9rSQ6+1E+lc4uDYduK:zvWS9wJh+omRd+QbnHVd/

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2494989678-839960665-2515455429-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2872	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe
2872	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 4864	2872	AcroRd32.exe	86
PID 2872 wrote to memory of 4864	2872	AcroRd32.exe	86
PID 2872 wrote to memory of 4864	2872	AcroRd32.exe	86
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 4980	4864	RdrCEF.exe	87
PID 4864 wrote to memory of 1612	4864	RdrCEF.exe	88
PID 4864 wrote to memory of 1612	4864	RdrCEF.exe	88
PID 4864 wrote to memory of 1612	4864	RdrCEF.exe	88
PID 4864 wrote to memory of 1612	4864	RdrCEF.exe	88
PID 4864 wrote to memory of 1612	4864	RdrCEF.exe	88
PID 4864 wrote to memory of 1612	4864	RdrCEF.exe	88
PID 4864 wrote to memory of 1612	4864	RdrCEF.exe	88
PID 4864 wrote to memory of 1612	4864	RdrCEF.exe	88
PID 4864 wrote to memory of 1612	4864	RdrCEF.exe	88
PID 4864 wrote to memory of 1612	4864	RdrCEF.exe	88
PID 4864 wrote to memory of 1612	4864	RdrCEF.exe	88
PID 4864 wrote to memory of 1612	4864	RdrCEF.exe	88
PID 4864 wrote to memory of 1612	4864	RdrCEF.exe	88
PID 4864 wrote to memory of 1612	4864	RdrCEF.exe	88
PID 4864 wrote to memory of 1612	4864	RdrCEF.exe	88
PID 4864 wrote to memory of 1612	4864	RdrCEF.exe	88
PID 4864 wrote to memory of 1612	4864	RdrCEF.exe	88
PID 4864 wrote to memory of 1612	4864	RdrCEF.exe	88
PID 4864 wrote to memory of 1612	4864	RdrCEF.exe	88
PID 4864 wrote to memory of 1612	4864	RdrCEF.exe	88

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\43a8ef3a5536073deb0c1f8b958718c0.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:2872
- 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: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=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=097CCE5522B64F5A0D073CDEEE232A54 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4980
- - 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=3AEB74C160E530A8E61478FBC15BE3E8 --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=3AEB74C160E530A8E61478FBC15BE3E8 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1612
- - 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=12A2DAC9B86440F66A2C56426A84F113 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2708
- - 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=B3DE2F6F1C0DA8D195F49D8D3BC05FCD --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3584
- - 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=45694982616117578E3E2192A819E54E --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1752
- - 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=B8102A04AC94F5BC36E8C47B8D4023E6 --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=B8102A04AC94F5BC36E8C47B8D4023E6 --renderer-client-id=7 --mojo-platform-channel-handle=2452 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4032

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5032

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
35e780ef4a016404eb6da4145928a67b

SHA1
47e0d7e272113422c02245e6474349a1044cff11

SHA256
e06a6dcc8768f49166f9e3b348b66961ca41d75d291534922eee38b2055f60b9

SHA512
4886ffc20e55ef7b027682c8b7b24f13778ca2bc1e149c424cba883ad7d940a344b66f4fe12f3645b355aaa4debb08b814af5d23b1736f3c0445ed0fc2a01af5

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