7d2aa82e1cfb9d1728c558a68d0da40a53532bdad07d4b3075e52a6a0efcf3e5

Analysis

max time kernel
143s
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
22/12/2023, 14:13

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General

Target

bb481f7ab010418bf2a4d49ebc428672.pdf
Size

34KB
MD5

bb481f7ab010418bf2a4d49ebc428672
SHA1

2b11efed970c90ab5976effb7e7d53653f5c988b
SHA256

7d2aa82e1cfb9d1728c558a68d0da40a53532bdad07d4b3075e52a6a0efcf3e5
SHA512

c8fb2f7c766cef5716642a9c4c7286b5da3e93110441853912f9505e524428a088cab0ae91c0c4a6ff9fce307746980639e5e5f93b04fffdb94cde1a63579e3c
SSDEEP

768:BbDxStRTJEsBLUvMwTSyO1DmNtAPAbSawGy7JufW20:d67/VqNtA43xswfW20

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3136	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe
3136	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3136 wrote to memory of 1892	3136	AcroRd32.exe	93
PID 3136 wrote to memory of 1892	3136	AcroRd32.exe	93
PID 3136 wrote to memory of 1892	3136	AcroRd32.exe	93
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 1536	1892	RdrCEF.exe	94
PID 1892 wrote to memory of 2068	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 2068	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 2068	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 2068	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 2068	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 2068	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 2068	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 2068	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 2068	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 2068	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 2068	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 2068	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 2068	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 2068	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 2068	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 2068	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 2068	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 2068	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 2068	1892	RdrCEF.exe	95
PID 1892 wrote to memory of 2068	1892	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\bb481f7ab010418bf2a4d49ebc428672.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:3136
- 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:1892
- - 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=DBABFD101044DEF3546B9FE8F809124D --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1536
- - 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=31866E1F96FEB2232F40520252665F7C --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=31866E1F96FEB2232F40520252665F7C --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2068
- - 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=90BA30D1E8FCA3CDD3C5885951FC1DC5 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4160
- - 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=299D99156639949DAE1400923D1E3598 --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=299D99156639949DAE1400923D1E3598 --renderer-client-id=5 --mojo-platform-channel-handle=1980 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1456
- - 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=D588B2633AF6B7C0A056CF09992B7137 --mojo-platform-channel-handle=2504 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2444
- - 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=4DBE774BD262F3BCBBC9384819372EEC --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:820

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
a8a7215b367f2ba18dfaa38614275e8f

SHA1
bfb5d31c36659c569d6698cb899ec237fb0a6d99

SHA256
0fd8696a98dc2fc8d8c6ace7dceddd4ff36eb5e34fa43d9e638436a9a658ad1f

SHA512
35d5552075c22358425ed7b202b68eb3c10dd826ac19022f4d1135684dd34cfa8f5a3347787dbb3151d7e4024abe2d20c71dd488cf2813b8fc7da2d550bb99f5

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
memory/3136-31-0x000000000A200000-0x000000000A221000-memory.dmp

Filesize
132KB

Download