9dca05d456e7a2f665bc3d92c883574754718441a6075de6d09a918e67ae1035

Resubmissions

19-07-2024 13:39

240719-qx588sxcnf 10

07-06-2024 19:08

240607-xs7d3acc41 10

Analysis

max time kernel
147s
max time network
151s
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 19:08

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General

Target

StealthPaypal.pdf
Size

42KB
MD5

092078d0a61b990d7aadb2371e89bb11
SHA1

111d35a7df2f1bc11fa3f9a96f732651a6a795af
SHA256

7f9d7cd4ab9fa79b9f7eb9a0eca83e3d781fd2f5f3ebeee1e9e512cd34516f3a
SHA512

e1d0d453a48397f1763f833ebf2ded481daec1a247eb3e4afc8b83efef16e537edc44f586b62e292f213f8f9c8c11516dcfee324e1c5ed24e032595da649f756
SSDEEP

768:KPLQDLTsav4O6Jd4irWtuZbMLCpMfEnOZz2BhGS0k3HN1ZRZdZwxlCFJ9:KzQDLww2BWMZ41s/huUHDZRZ1r

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 behavior: EnumeratesProcesses 20 IoCs

pid	Process
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3292	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe
3292	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3292 wrote to memory of 4804	3292	AcroRd32.exe	85
PID 3292 wrote to memory of 4804	3292	AcroRd32.exe	85
PID 3292 wrote to memory of 4804	3292	AcroRd32.exe	85
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 2312	4804	RdrCEF.exe	88
PID 4804 wrote to memory of 3132	4804	RdrCEF.exe	89
PID 4804 wrote to memory of 3132	4804	RdrCEF.exe	89
PID 4804 wrote to memory of 3132	4804	RdrCEF.exe	89
PID 4804 wrote to memory of 3132	4804	RdrCEF.exe	89
PID 4804 wrote to memory of 3132	4804	RdrCEF.exe	89
PID 4804 wrote to memory of 3132	4804	RdrCEF.exe	89
PID 4804 wrote to memory of 3132	4804	RdrCEF.exe	89
PID 4804 wrote to memory of 3132	4804	RdrCEF.exe	89
PID 4804 wrote to memory of 3132	4804	RdrCEF.exe	89
PID 4804 wrote to memory of 3132	4804	RdrCEF.exe	89
PID 4804 wrote to memory of 3132	4804	RdrCEF.exe	89
PID 4804 wrote to memory of 3132	4804	RdrCEF.exe	89
PID 4804 wrote to memory of 3132	4804	RdrCEF.exe	89
PID 4804 wrote to memory of 3132	4804	RdrCEF.exe	89
PID 4804 wrote to memory of 3132	4804	RdrCEF.exe	89
PID 4804 wrote to memory of 3132	4804	RdrCEF.exe	89
PID 4804 wrote to memory of 3132	4804	RdrCEF.exe	89
PID 4804 wrote to memory of 3132	4804	RdrCEF.exe	89
PID 4804 wrote to memory of 3132	4804	RdrCEF.exe	89
PID 4804 wrote to memory of 3132	4804	RdrCEF.exe	89

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\StealthPaypal.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:3292
- 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:4804
- - 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=865E2FCD9E847E692C6A6A455F09C3BF --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2312
- - 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=938777203D1B7AAEDAC06A882F15C551 --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=938777203D1B7AAEDAC06A882F15C551 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3132
- - 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=CB50325631CFA5FD3725BF0260BC4547 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3916
- - 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=016A28F74F74F95BE1AA3B091F7BBCA3 --mojo-platform-channel-handle=1876 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:440
- - 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=DC8B6CE1BCA0F85FE5F8956390FDB328 --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=DC8B6CE1BCA0F85FE5F8956390FDB328 --renderer-client-id=6 --mojo-platform-channel-handle=2508 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1192
- - 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=CB95FD7FD8B4A15B2174FBA9CC53C4D8 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:412

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2400

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
7953a301724dde4e73fc85210e34ce5c

SHA1
2f47c35e22c54ebc78b7ea403d37859e7163f88f

SHA256
d0c5088d2fa997f0fefc36124d7436605efbae3fd4245e8af9ebe437fd5f800b

SHA512
54cf1fd241a7585c6d2b906056b3ae659dd127b15c383dc7ee75ab5a76e894b62ab02012ef3fdc66c38b4e23092342707f2034788d94776660c46b4c68da3e73

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