656a97ffba52b968d836a171bdce9c30504e404781fa2c2326570ada3d7e8e65

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 23:21

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General

Target

19158e25b8e578d651e434f1b6ed93fa.pdf
Size

87KB
MD5

19158e25b8e578d651e434f1b6ed93fa
SHA1

8a6b820c33b1a5a25714c3a70af056e0b91cda85
SHA256

656a97ffba52b968d836a171bdce9c30504e404781fa2c2326570ada3d7e8e65
SHA512

b9b02805d19293d8c8709c3324826869b39fea3a5ff0de681bb8d868f3c4d357a0135abcefc766fce1a04692b9359075f886f717d078b666256b42d1899f650f
SSDEEP

1536:H5u7vRqz6TQ8ZnyOB7rQ4Ug1NcKl9qrIW2Jr+uBo7AG9LWQpOCrWX:Zwpqz6T5yA7rh5NcKl9qrGJKEC92Ce

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4372	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe
4372	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4372 wrote to memory of 3808	4372	AcroRd32.exe	93
PID 4372 wrote to memory of 3808	4372	AcroRd32.exe	93
PID 4372 wrote to memory of 3808	4372	AcroRd32.exe	93
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 3568	3808	RdrCEF.exe	94
PID 3808 wrote to memory of 4244	3808	RdrCEF.exe	95
PID 3808 wrote to memory of 4244	3808	RdrCEF.exe	95
PID 3808 wrote to memory of 4244	3808	RdrCEF.exe	95
PID 3808 wrote to memory of 4244	3808	RdrCEF.exe	95
PID 3808 wrote to memory of 4244	3808	RdrCEF.exe	95
PID 3808 wrote to memory of 4244	3808	RdrCEF.exe	95
PID 3808 wrote to memory of 4244	3808	RdrCEF.exe	95
PID 3808 wrote to memory of 4244	3808	RdrCEF.exe	95
PID 3808 wrote to memory of 4244	3808	RdrCEF.exe	95
PID 3808 wrote to memory of 4244	3808	RdrCEF.exe	95
PID 3808 wrote to memory of 4244	3808	RdrCEF.exe	95
PID 3808 wrote to memory of 4244	3808	RdrCEF.exe	95
PID 3808 wrote to memory of 4244	3808	RdrCEF.exe	95
PID 3808 wrote to memory of 4244	3808	RdrCEF.exe	95
PID 3808 wrote to memory of 4244	3808	RdrCEF.exe	95
PID 3808 wrote to memory of 4244	3808	RdrCEF.exe	95
PID 3808 wrote to memory of 4244	3808	RdrCEF.exe	95
PID 3808 wrote to memory of 4244	3808	RdrCEF.exe	95
PID 3808 wrote to memory of 4244	3808	RdrCEF.exe	95
PID 3808 wrote to memory of 4244	3808	RdrCEF.exe	95

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\19158e25b8e578d651e434f1b6ed93fa.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:4372
- 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:3808
- - 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=2E176F5D421BA4977EBD1AE3F6F757B3 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3568
- - 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=9D267F1A2886FAC375E05E2DD6C7FA5F --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=9D267F1A2886FAC375E05E2DD6C7FA5F --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4244
- - 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=81279E45878FADA1394411852E76586B --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2452
- - 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=EA7D2EFF1B932558AA4D5E4C3FB32C2C --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5044
- - 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=E5A6A664471A80E9EAD5A01832F7B503 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2556
- - 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=7D8939759EC47834FA7D3C3C01566334 --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=7D8939759EC47834FA7D3C3C01566334 --renderer-client-id=7 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2148

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
049e083a10d52e9c6ca6cad75f11f3b2

SHA1
58c594a947c3afb37710bb0b19e8f66edbf86cfd

SHA256
c5385e931fc6a34b31d220bebea8f402b58c292319921871693814d13ff5c71e

SHA512
7f88ade8ca25e0a97137425bb665feebfe901d0aab802ea94edb63f668d8f33e2e9d00822842a39279aac2d5b95e8b31c1b0a611b62dd5c72081accc6a00f2e0

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