6d397cf24ebc09a5fb11f2a581bb1d6f6186e4aabdc374d0fa0edbe2a389a058

Analysis

max time kernel
91s
max time network
203s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
11/07/2024, 13:24

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General

Target

Original invoice.pdf
Size

42KB
MD5

0a0800c890f5aca1447f8125660a73a9
SHA1

e752e6f696100437613874d26508932ca38bdacd
SHA256

6d397cf24ebc09a5fb11f2a581bb1d6f6186e4aabdc374d0fa0edbe2a389a058
SHA512

ce203bc5465b7dbcde0953cd52bd12038feec2d60545e4b42060a0c37ce414a29866e88b145c0e5aab44f032ffd2d25d2e398c522a0d0afc2ca533f080a127b8
SSDEEP

768:5o1XhLhB7L/t1pMYywMIat/W25tcN0kHaIMisH6re/Q5FFRCkgJQw:5wV/t1pMs25tcOaahRH2e/Q20w

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-1-5-21-95457810-830748662-4054918673-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
960	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe
960	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 960 wrote to memory of 3976	960	AcroRd32.exe	78
PID 960 wrote to memory of 3976	960	AcroRd32.exe	78
PID 960 wrote to memory of 3976	960	AcroRd32.exe	78
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4864	3976	RdrCEF.exe	79
PID 3976 wrote to memory of 4384	3976	RdrCEF.exe	80
PID 3976 wrote to memory of 4384	3976	RdrCEF.exe	80
PID 3976 wrote to memory of 4384	3976	RdrCEF.exe	80
PID 3976 wrote to memory of 4384	3976	RdrCEF.exe	80
PID 3976 wrote to memory of 4384	3976	RdrCEF.exe	80
PID 3976 wrote to memory of 4384	3976	RdrCEF.exe	80
PID 3976 wrote to memory of 4384	3976	RdrCEF.exe	80
PID 3976 wrote to memory of 4384	3976	RdrCEF.exe	80
PID 3976 wrote to memory of 4384	3976	RdrCEF.exe	80
PID 3976 wrote to memory of 4384	3976	RdrCEF.exe	80
PID 3976 wrote to memory of 4384	3976	RdrCEF.exe	80
PID 3976 wrote to memory of 4384	3976	RdrCEF.exe	80
PID 3976 wrote to memory of 4384	3976	RdrCEF.exe	80
PID 3976 wrote to memory of 4384	3976	RdrCEF.exe	80
PID 3976 wrote to memory of 4384	3976	RdrCEF.exe	80
PID 3976 wrote to memory of 4384	3976	RdrCEF.exe	80
PID 3976 wrote to memory of 4384	3976	RdrCEF.exe	80
PID 3976 wrote to memory of 4384	3976	RdrCEF.exe	80
PID 3976 wrote to memory of 4384	3976	RdrCEF.exe	80
PID 3976 wrote to memory of 4384	3976	RdrCEF.exe	80

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\Original invoice.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:960
- 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:3976
- - 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=343369081A8C6DABDBF08019F4296FAE --mojo-platform-channel-handle=1764 --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=EBA7E0955242E4435BE5565ACB8D2D03 --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=EBA7E0955242E4435BE5565ACB8D2D03 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4384
- - 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=605AA1CDAD8CBAE896CCFA03EC5FBFCF --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2536
- - 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=B5164B69BAA5438A23D2A09097A670C1 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4888
- - 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=D54A989A5BCAC9C1375B4D3476C8D5DD --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2840
- - 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=4B8BDCFBAB834781C1FB5D587B3DBD7D --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=4B8BDCFBAB834781C1FB5D587B3DBD7D --renderer-client-id=7 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:544

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1568

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
c5edc5e3c9b01601c6a52d322de6bc5c

SHA1
2ec2ca5b6d464004cdf66b4ec53189a366d769ad

SHA256
438101cf4ca285a461092d8b20b888083874e6039bd651e74a01f2a9fb181833

SHA512
4b8ab0b682afebd04dbbff3db385980764ca021ca939589aafaa524cf5c2c12dcdefa0452638ac793fc86a24b9a91fd73d6b75600b41d49c3329211d784d9feb

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