7a61ca9db96a39902028ef7bc8eedc68bb82bbdce3d86959c818373535d91061

Resubmissions

01/06/2023, 13:52

230601-q6laesee79 6

01/06/2023, 13:51

01/06/2023, 13:49

01/06/2023, 13:48

01/06/2023, 13:45

01/06/2023, 13:42

25/05/2022, 10:04

Analysis

max time kernel
132s
max time network
135s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
01/06/2023, 13:42

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General

Target

ykfoxibh.pdf
Size

26KB
MD5

637cbb04da4c089807dc233a1c8a5662
SHA1

9e470c979ee8513326a8f1dc32f5b1116278f3b1
SHA256

a8e74de4ca0e8fbab1040b6ade4b9203abaca340feda37d9f750d0efd06c40b9
SHA512

9ca49fe51d4ea98d828e662f83ff18e51b73808ee6acd5bec81b52897d7723233bc6e397efa6390703f661f7b37afde7f13eb1649681f2db7acdbb51d7f59e32
SSDEEP

768:6VIvJ8CERmF13oZt1g1cRjlwqjlbgQ66zbVcvV:2IvJmRW13oZtycRjlzdfVO

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-1-5-21-3853465373-1718857667-1861325682-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4212	AcroRd32.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe
4212	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4212 wrote to memory of 996	4212	AcroRd32.exe	66
PID 4212 wrote to memory of 996	4212	AcroRd32.exe	66
PID 4212 wrote to memory of 996	4212	AcroRd32.exe	66
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1396	996	RdrCEF.exe	67
PID 996 wrote to memory of 1952	996	RdrCEF.exe	68
PID 996 wrote to memory of 1952	996	RdrCEF.exe	68
PID 996 wrote to memory of 1952	996	RdrCEF.exe	68
PID 996 wrote to memory of 1952	996	RdrCEF.exe	68
PID 996 wrote to memory of 1952	996	RdrCEF.exe	68
PID 996 wrote to memory of 1952	996	RdrCEF.exe	68
PID 996 wrote to memory of 1952	996	RdrCEF.exe	68
PID 996 wrote to memory of 1952	996	RdrCEF.exe	68
PID 996 wrote to memory of 1952	996	RdrCEF.exe	68
PID 996 wrote to memory of 1952	996	RdrCEF.exe	68
PID 996 wrote to memory of 1952	996	RdrCEF.exe	68
PID 996 wrote to memory of 1952	996	RdrCEF.exe	68
PID 996 wrote to memory of 1952	996	RdrCEF.exe	68
PID 996 wrote to memory of 1952	996	RdrCEF.exe	68
PID 996 wrote to memory of 1952	996	RdrCEF.exe	68
PID 996 wrote to memory of 1952	996	RdrCEF.exe	68
PID 996 wrote to memory of 1952	996	RdrCEF.exe	68
PID 996 wrote to memory of 1952	996	RdrCEF.exe	68
PID 996 wrote to memory of 1952	996	RdrCEF.exe	68
PID 996 wrote to memory of 1952	996	RdrCEF.exe	68

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\ykfoxibh.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:4212
- 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:996
- - 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=BD4A21D6C8D25E9394574476285EB202 --mojo-platform-channel-handle=1612 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1396
- - 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=37A6B466DC9DCBAA897D8B65188A6298 --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=2 --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=37A6B466DC9DCBAA897D8B65188A6298 --renderer-client-id=2 --mojo-platform-channel-handle=1604 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1952
- - 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=90DC94E5CEA8F8E88A45E83D7F2128F3 --mojo-platform-channel-handle=2196 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3832
- - 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=DBA9B014F082A2C769E6EA173A012F27 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5008
- - 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=F669A6C795C2AF40A88D28D2E6532C64 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4068
- - 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=2C5741C23305DA8197C3D4EBE95BF553 --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=2 --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=2C5741C23305DA8197C3D4EBE95BF553 --renderer-client-id=8 --mojo-platform-channel-handle=1244 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4536

Network

MITRE ATT&CK Enterprise v6

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
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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