d3dae03f33646171dd03bc94acc343342f7208312c8af063bc096cc2814630e6

General

Target

US8000038278 - GOP - 4.22.2024.pdf
Size

126KB
MD5

aedb0244cb5682d96211da2d501f2ddf
SHA1

d06075e00987c52d640a46a4b51cd2d10c2ad837
SHA256

d3dae03f33646171dd03bc94acc343342f7208312c8af063bc096cc2814630e6
SHA512

08dfaf709f8ac6c6eb138ad5e12a03018c835962d539d86c7b3afe0e3d901716d1d81ac4547d562a1d325a253705544fc1645fe9a60aa3aac4e54454dd1ba88b
SSDEEP

3072:GIqrA209KlmRfREQ396i6zuOt9TZa6uJ0DKmnQOg:GIqk98mTEQkucQ6tGmnQB

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

Processes:

AcroRd32.exe

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

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe
2264	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

2264 AcroRd32.exe
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

AcroRd32.exe

pid process

2264 AcroRd32.exe
2264 AcroRd32.exe
2264 AcroRd32.exe
2264 AcroRd32.exe
2264 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 2264 wrote to memory of 4860	2264	AcroRd32.exe	RdrCEF.exe
PID 2264 wrote to memory of 4860	2264	AcroRd32.exe	RdrCEF.exe
PID 2264 wrote to memory of 4860	2264	AcroRd32.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 1476	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 3112	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 3112	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 3112	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 3112	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 3112	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 3112	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 3112	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 3112	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 3112	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 3112	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 3112	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 3112	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 3112	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 3112	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 3112	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 3112	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 3112	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 3112	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 3112	4860	RdrCEF.exe	RdrCEF.exe
PID 4860 wrote to memory of 3112	4860	RdrCEF.exe	RdrCEF.exe

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\US8000038278 - GOP - 4.22.2024.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:2264

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:4860

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=D1C80EB4C82C991B4888CC31C91757C1 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1476

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=3B5A2C349A8DC02FA19E9D4CD9F18AB4 --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=3B5A2C349A8DC02FA19E9D4CD9F18AB4 --renderer-client-id=2 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
3⤵
PID:3112

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=479A857438558B2BC38E0FEB29471FA1 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3664

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=C17B2515BF2D95F8A386E37761B34A0D --mojo-platform-channel-handle=1900 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2240

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=E856E32E8C13038B9E883B55BCCEFEA6 --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=E856E32E8C13038B9E883B55BCCEFEA6 --renderer-client-id=6 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
3⤵
PID:684

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=842C09ACDCD6D3A78145D65BC6002699 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Filesize
64KB

MD5
4d1954f668fb87d604f6600a9e62d059

SHA1
b0f4aad220246cb1a1204cb61dbe64bfa253cf97

SHA256
48d378f997a71b7168352716aca8e82020aedc7726e2a316df9702e5e12aa8ed

SHA512
75f1e19b159462fc99e92cceab76739053802f4b7de858e8f2da0e4fe06a85dde8de33fd3bd08fe2a3942925117fa3dcd591c742f24533453840cfce4b0bb882

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads