630368cb7d4d52b9da8945578798f22e8f8f43eb4cce8501bc7ef050ed963d55

Analysis

max time kernel
141s
max time network
35s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
14/04/2024, 03:50

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General

Target
Readme.pdf
Size 182KB
Sample240414-ed8pgaha3v
SHA256 a01dbf1bfb6aca2aaa3dbf7c27f3e51a10c055095c2f48cb1e443fb10b722582
MD5 c21cb38eb4a24944c3e68334ea9f5abe
SHA1 3108416bdcd1ea5e6e64037e0519e8741b7df4a4
SHA512 6ed5b567106af4d1ad31a052c44647dc8dcd0badc55a0b0b16f97507f1e4277486dbf58e9d98c909a47160bbb09b8c7bbb95badc298857d24941cbba725e1ec5
SSDEEP 3072:dycK2YoKm7mPXs7XEaC+kTsZdknvSUdZ5wzeSCHa/xP20cPIBnHmQ5WTi5JIqLhO:dycK2Pp7ss7XTyKs6UdLeC6h20cPIBHU
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3140	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe
3140	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3140 wrote to memory of 4208	3140	AcroRd32.exe	82
PID 3140 wrote to memory of 4208	3140	AcroRd32.exe	82
PID 3140 wrote to memory of 4208	3140	AcroRd32.exe	82
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2776	4208	RdrCEF.exe	83
PID 4208 wrote to memory of 2624	4208	RdrCEF.exe	84
PID 4208 wrote to memory of 2624	4208	RdrCEF.exe	84
PID 4208 wrote to memory of 2624	4208	RdrCEF.exe	84
PID 4208 wrote to memory of 2624	4208	RdrCEF.exe	84
PID 4208 wrote to memory of 2624	4208	RdrCEF.exe	84
PID 4208 wrote to memory of 2624	4208	RdrCEF.exe	84
PID 4208 wrote to memory of 2624	4208	RdrCEF.exe	84
PID 4208 wrote to memory of 2624	4208	RdrCEF.exe	84
PID 4208 wrote to memory of 2624	4208	RdrCEF.exe	84
PID 4208 wrote to memory of 2624	4208	RdrCEF.exe	84
PID 4208 wrote to memory of 2624	4208	RdrCEF.exe	84
PID 4208 wrote to memory of 2624	4208	RdrCEF.exe	84
PID 4208 wrote to memory of 2624	4208	RdrCEF.exe	84
PID 4208 wrote to memory of 2624	4208	RdrCEF.exe	84
PID 4208 wrote to memory of 2624	4208	RdrCEF.exe	84
PID 4208 wrote to memory of 2624	4208	RdrCEF.exe	84
PID 4208 wrote to memory of 2624	4208	RdrCEF.exe	84
PID 4208 wrote to memory of 2624	4208	RdrCEF.exe	84
PID 4208 wrote to memory of 2624	4208	RdrCEF.exe	84
PID 4208 wrote to memory of 2624	4208	RdrCEF.exe	84

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\Readme.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3140
- 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:4208
- - 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=ADE8B13E6D87693FEC3FF4AB35F6F3AD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2776
- - 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=2CF02EE24544723602456860B0CFF845 --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=2CF02EE24544723602456860B0CFF845 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2624
- - 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=A451F579C09C38D7D934AD6C8B6369C3 --mojo-platform-channel-handle=2140 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3160
- - 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=6A355004B87373B2578FB6CB0A58C235 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3396
- - 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=FD55598E5B5EE2BEE7C013A42A64AF23 --mojo-platform-channel-handle=2232 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:884
- - 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=FFAA660FA262BB2A96B0B7ED55E05596 --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=FFAA660FA262BB2A96B0B7ED55E05596 --renderer-client-id=7 --mojo-platform-channel-handle=2524 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3332

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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