94e6cc6c7d8e122d573f971f99eae3fd19878ac3c26d782e924695b53bd9abb2

Analysis

max time kernel
191s
max time network
178s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
21/04/2023, 20:00

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ELKV_20230420121520B7EEE26D44A4497BE91557B94F99AE81_2023041_F8A700D0.pdf_DOC (1).pdf
Size

55KB
MD5

d279a911adfc0cbd25d4abfeeee3cdcc
SHA1

0fa3368a38a0ff078cddce086f41ff3aa0e152f3
SHA256

94e6cc6c7d8e122d573f971f99eae3fd19878ac3c26d782e924695b53bd9abb2
SHA512

2fc5db9363b2f457c157803ddd9a67c71e9f5a2f2feeb7f8e811349645dcd21e50131638b1f54e9078610add84abe8080f9c6178bf4cd79772ebf931d44a29c4
SSDEEP

1536:ffjhZodZLG6g6jjlg7za9U6deY9W2TL/t4da55XzVY2ueNX8yWgIU:ffjh6dQeX2H6dz42TL/mda55XxY2ueWm

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 use of FindShellTrayWindow 1 IoCs

pid	Process
4124	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 392	4124	AcroRd32.exe	66
PID 4124 wrote to memory of 392	4124	AcroRd32.exe	66
PID 4124 wrote to memory of 392	4124	AcroRd32.exe	66
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4440	392	RdrCEF.exe	67
PID 392 wrote to memory of 4664	392	RdrCEF.exe	68
PID 392 wrote to memory of 4664	392	RdrCEF.exe	68
PID 392 wrote to memory of 4664	392	RdrCEF.exe	68
PID 392 wrote to memory of 4664	392	RdrCEF.exe	68
PID 392 wrote to memory of 4664	392	RdrCEF.exe	68
PID 392 wrote to memory of 4664	392	RdrCEF.exe	68
PID 392 wrote to memory of 4664	392	RdrCEF.exe	68
PID 392 wrote to memory of 4664	392	RdrCEF.exe	68
PID 392 wrote to memory of 4664	392	RdrCEF.exe	68
PID 392 wrote to memory of 4664	392	RdrCEF.exe	68
PID 392 wrote to memory of 4664	392	RdrCEF.exe	68
PID 392 wrote to memory of 4664	392	RdrCEF.exe	68
PID 392 wrote to memory of 4664	392	RdrCEF.exe	68
PID 392 wrote to memory of 4664	392	RdrCEF.exe	68
PID 392 wrote to memory of 4664	392	RdrCEF.exe	68
PID 392 wrote to memory of 4664	392	RdrCEF.exe	68
PID 392 wrote to memory of 4664	392	RdrCEF.exe	68
PID 392 wrote to memory of 4664	392	RdrCEF.exe	68
PID 392 wrote to memory of 4664	392	RdrCEF.exe	68
PID 392 wrote to memory of 4664	392	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\ELKV_20230420121520B7EEE26D44A4497BE91557B94F99AE81_2023041_F8A700D0.pdf_DOC (1).pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4124
- 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:392
- - 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=B0BAE1C2B69AE951BA8E3E5CB2956F27 --mojo-platform-channel-handle=1624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4440
- - 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=4493A3DD55A908F093804C60CCFB6058 --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=4493A3DD55A908F093804C60CCFB6058 --renderer-client-id=2 --mojo-platform-channel-handle=1636 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4664
- - 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=53AABAD3A8B8B18435CAAB27CC0090AB --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=53AABAD3A8B8B18435CAAB27CC0090AB --renderer-client-id=4 --mojo-platform-channel-handle=2240 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4856
- - 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=689F971B6E42E03B3A01BB6437E3DF02 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4176
- - 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=FC819E9D421A6017B6720CAD1A814FC8 --mojo-platform-channel-handle=1700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4448
- - 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=32AA65DC9D13CF6DC748E6548198C839 --mojo-platform-channel-handle=2760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4540

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

Windows 7 deprecation

Loading Replay Monitor...