7de25b7ea833080ac71f143d5c35965c817ea4e0aaed1c756ea9255817e01c54

Analysis

max time kernel
33s
max time network
35s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
07/06/2024, 17:25

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

Houston Newsletter 6.7.24.pdf
Size

208KB
MD5

47f63710cf4010c61e0130b2f2a81693
SHA1

356fb00b9ae57602ddebfe8dffa656546436a55a
SHA256

7de25b7ea833080ac71f143d5c35965c817ea4e0aaed1c756ea9255817e01c54
SHA512

89053eb37e3729eb8130525197b9032d7822371849242b1dfa29a053bcd55346df12f4dbea7af4df215ab61e7d780246ed6e7bb2c4f127cb4014cb8cb776634a
SSDEEP

3072:0i2ulQOP2tXLtruWYLkKzfXWS/vkHKJhUEyh2lNLmjaFuK:0i2ulfPAXLtCWYQefWaK7hh2lNDP

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-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1184	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1184	AcroRd32.exe
1184	AcroRd32.exe
1184	AcroRd32.exe
1184	AcroRd32.exe
1184	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1184 wrote to memory of 1908	1184	AcroRd32.exe	87
PID 1184 wrote to memory of 1908	1184	AcroRd32.exe	87
PID 1184 wrote to memory of 1908	1184	AcroRd32.exe	87
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 1644	1908	RdrCEF.exe	89
PID 1908 wrote to memory of 756	1908	RdrCEF.exe	90
PID 1908 wrote to memory of 756	1908	RdrCEF.exe	90
PID 1908 wrote to memory of 756	1908	RdrCEF.exe	90
PID 1908 wrote to memory of 756	1908	RdrCEF.exe	90
PID 1908 wrote to memory of 756	1908	RdrCEF.exe	90
PID 1908 wrote to memory of 756	1908	RdrCEF.exe	90
PID 1908 wrote to memory of 756	1908	RdrCEF.exe	90
PID 1908 wrote to memory of 756	1908	RdrCEF.exe	90
PID 1908 wrote to memory of 756	1908	RdrCEF.exe	90
PID 1908 wrote to memory of 756	1908	RdrCEF.exe	90
PID 1908 wrote to memory of 756	1908	RdrCEF.exe	90
PID 1908 wrote to memory of 756	1908	RdrCEF.exe	90
PID 1908 wrote to memory of 756	1908	RdrCEF.exe	90
PID 1908 wrote to memory of 756	1908	RdrCEF.exe	90
PID 1908 wrote to memory of 756	1908	RdrCEF.exe	90
PID 1908 wrote to memory of 756	1908	RdrCEF.exe	90
PID 1908 wrote to memory of 756	1908	RdrCEF.exe	90
PID 1908 wrote to memory of 756	1908	RdrCEF.exe	90
PID 1908 wrote to memory of 756	1908	RdrCEF.exe	90
PID 1908 wrote to memory of 756	1908	RdrCEF.exe	90

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\Houston Newsletter 6.7.24.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1184
- 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:1908
- - 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=356995792F8FF932D4F5F4E6551F0DA0 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1644
- - 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=ECE69EB6806A8D5478D1CC86245621E7 --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=ECE69EB6806A8D5478D1CC86245621E7 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:756
- - 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=F7DE45ECE69EFB08F6E62AFF1E1B989D --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4644
- - 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=76DCE1A81CB18EA8F1B4DBEE5831AF0B --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1528
- - 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=2B27D1ABC53A7E3302A518D8EE5F4B4C --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=2B27D1ABC53A7E3302A518D8EE5F4B4C --renderer-client-id=6 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3136
- - 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=9F996C38EBC177DAA29DB89E3CD0B2D7 --mojo-platform-channel-handle=2368 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4300

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4768

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads