e5d5ae98dab5cc0ff1e5936e97c6f2a462b61386ecca1c7a74a2a8cec578fda8

Analysis

max time kernel
30s
max time network
33s
platform
windows10-2004_x64
resource
win10v2004-20240708-en
resource tags

arch:x64arch:x86image:win10v2004-20240708-enlocale:en-usos:windows10-2004-x64system
submitted
09-07-2024 15:15

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General

Target

GrudgeTerminator-main/pdf24_merged.pdf
Size

320KB
MD5

01483d8d39218aed6cda5e43b818f7ff
SHA1

e2696729e715b67b97f1227bfef0ede2b52b2ae4
SHA256

312bc7e4792296a1a1b116dd1e9176e66aa97292ec35e95bede23da1f8f16ae2
SHA512

62b609b13602f8a137bbf722a2e0d3a8e1a59759b779784d0e007b818a9f35213773f2dc1433f217a96710ad591162cba274a17b4880050b4c7b21f6b8101233
SSDEEP

6144:zQkPmnIDaN1s6ybfVvF5lbcyYrSlH8anMidDlmRjR1zRPtXf2hTF6lD:sOA1s6yb9dXbcytRMidDlmxzRVTD

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-1-5-21-3310979990-555183016-1244931625-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2152	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe
2152	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2920	2152	AcroRd32.exe	85
PID 2152 wrote to memory of 2920	2152	AcroRd32.exe	85
PID 2152 wrote to memory of 2920	2152	AcroRd32.exe	85
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 940	2920	RdrCEF.exe	86
PID 2920 wrote to memory of 776	2920	RdrCEF.exe	87
PID 2920 wrote to memory of 776	2920	RdrCEF.exe	87
PID 2920 wrote to memory of 776	2920	RdrCEF.exe	87
PID 2920 wrote to memory of 776	2920	RdrCEF.exe	87
PID 2920 wrote to memory of 776	2920	RdrCEF.exe	87
PID 2920 wrote to memory of 776	2920	RdrCEF.exe	87
PID 2920 wrote to memory of 776	2920	RdrCEF.exe	87
PID 2920 wrote to memory of 776	2920	RdrCEF.exe	87
PID 2920 wrote to memory of 776	2920	RdrCEF.exe	87
PID 2920 wrote to memory of 776	2920	RdrCEF.exe	87
PID 2920 wrote to memory of 776	2920	RdrCEF.exe	87
PID 2920 wrote to memory of 776	2920	RdrCEF.exe	87
PID 2920 wrote to memory of 776	2920	RdrCEF.exe	87
PID 2920 wrote to memory of 776	2920	RdrCEF.exe	87
PID 2920 wrote to memory of 776	2920	RdrCEF.exe	87
PID 2920 wrote to memory of 776	2920	RdrCEF.exe	87
PID 2920 wrote to memory of 776	2920	RdrCEF.exe	87
PID 2920 wrote to memory of 776	2920	RdrCEF.exe	87
PID 2920 wrote to memory of 776	2920	RdrCEF.exe	87
PID 2920 wrote to memory of 776	2920	RdrCEF.exe	87

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\GrudgeTerminator-main\pdf24_merged.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:2152
- 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:2920
- - 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=F6B52F202BBA34F2866A341A97AE49BE --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:940
- - 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=49B4BE9F559C6DF157C512FB65471565 --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=49B4BE9F559C6DF157C512FB65471565 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:776
- - 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=06C4ED31EB2169605B2B5CF498E7AB17 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3020
- - 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=32CE3D7AE43AA88F20737ED136A6DEAD --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5012
- - 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=2077678D225C675D2BF6402F80438A48 --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=2077678D225C675D2BF6402F80438A48 --renderer-client-id=6 --mojo-platform-channel-handle=1628 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3452
- - 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=0840DE54C1071C15B7EEC99D5EA9E893 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:312

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1280

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
9cce95af66f1d706c4a719cc19b0c9df

SHA1
45d3b0f9e2d3dbfe887eea4ce0f48bc22b541eb3

SHA256
9015bc39b9ce7af4a2f51e5eccb0f420d88606c73fb14643e81de56f8486c45f

SHA512
3a126a8f8522754de1f8181c73e40e93a0d47aee7b4bf34111f8dc3410cc21c67f9e21ffcde0b81076b1be7ec0b59b67d3f2f6ae107c7b320d3f0a815195cafe

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