b8ed2cee54871fe2541e094ccf34465fcaeecbe4a9cb708da05d01cb9f7a1b73

Resubmissions

10/07/2024, 08:53

240710-ktt4xaybjn 1

10/07/2024, 08:38

240710-kj465azcph 1

06/07/2024, 01:46

240706-b61b1sscjp 1

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
06/07/2024, 01:46

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General

Target

b8ed2cee54871fe2541e094ccf34465fcaeecbe4a9cb708da05d01cb9f7a1b73.pdf
Size

25KB
MD5

4e73ccde2aebd3c0cabfef85df255b35
SHA1

614e0591d5cc9eb1681bf78f14a8e79762a871e6
SHA256

b8ed2cee54871fe2541e094ccf34465fcaeecbe4a9cb708da05d01cb9f7a1b73
SHA512

e763982f2dea8fb8e1365c1f7ca852056e99442d18c633030dfb633f1d0acf7972b8290c967a9b5242aeddd72de5578fea0eb88cba3ac5051cc1ce046f318ec3
SSDEEP

768:MzvMWRP4A+reEEWJuX8OF6L5btU0XlaqoiJXOAGr4OeWQVRSn:JqNEEWJA8OF6L5JUKnGrLt

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-1-5-21-2753856825-3907105642-1818461144-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe
956	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 2960	956	AcroRd32.exe	85
PID 956 wrote to memory of 2960	956	AcroRd32.exe	85
PID 956 wrote to memory of 2960	956	AcroRd32.exe	85
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 116	2960	RdrCEF.exe	86
PID 2960 wrote to memory of 3656	2960	RdrCEF.exe	87
PID 2960 wrote to memory of 3656	2960	RdrCEF.exe	87
PID 2960 wrote to memory of 3656	2960	RdrCEF.exe	87
PID 2960 wrote to memory of 3656	2960	RdrCEF.exe	87
PID 2960 wrote to memory of 3656	2960	RdrCEF.exe	87
PID 2960 wrote to memory of 3656	2960	RdrCEF.exe	87
PID 2960 wrote to memory of 3656	2960	RdrCEF.exe	87
PID 2960 wrote to memory of 3656	2960	RdrCEF.exe	87
PID 2960 wrote to memory of 3656	2960	RdrCEF.exe	87
PID 2960 wrote to memory of 3656	2960	RdrCEF.exe	87
PID 2960 wrote to memory of 3656	2960	RdrCEF.exe	87
PID 2960 wrote to memory of 3656	2960	RdrCEF.exe	87
PID 2960 wrote to memory of 3656	2960	RdrCEF.exe	87
PID 2960 wrote to memory of 3656	2960	RdrCEF.exe	87
PID 2960 wrote to memory of 3656	2960	RdrCEF.exe	87
PID 2960 wrote to memory of 3656	2960	RdrCEF.exe	87
PID 2960 wrote to memory of 3656	2960	RdrCEF.exe	87
PID 2960 wrote to memory of 3656	2960	RdrCEF.exe	87
PID 2960 wrote to memory of 3656	2960	RdrCEF.exe	87
PID 2960 wrote to memory of 3656	2960	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\b8ed2cee54871fe2541e094ccf34465fcaeecbe4a9cb708da05d01cb9f7a1b73.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:956
- 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:2960
- - 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=6A38DF4C6806F0273AE542D0410D4C81 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:116
- - 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=346895C165EB6AB6970241161C8420BC --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=346895C165EB6AB6970241161C8420BC --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3656
- - 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=2DB0E025D2875E6C76F8DC46E0E36A90 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1584
- - 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=775C1E7D60D2758ABD421326481736E2 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5024
- - 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=2630F74A8C65CD585D43918D87CB2149 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3032

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
200ccdeaaa7713e2c1025db968b9d06c

SHA1
2d0174435f536e28c26253a3e219d5a113b1e996

SHA256
6d976a5a615354ae0c9942bade2ba54ff5cbbf2ebaeaddd6dd2ab68bde80ee1d

SHA512
769461fa84fbb1f0b314e89a4f941df75ee53780b449e2de81ef8e1b0074225b26f18bbdeb190817a4c0280a3a40acae82961afcc92860d264a4f8b5cfb639bf

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