5c55023eb6c502f46e19f72bb791fc791015cd91869f0a787091f2615378cc07

Analysis

max time kernel
141s
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
18-01-2024 09:15

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General

Target

6506cb03dd663fee98ca15f17a339242.pdf
Size

13KB
MD5

6506cb03dd663fee98ca15f17a339242
SHA1

2d947aa55804cc2c5c65112f56ee2534b8844f74
SHA256

5c55023eb6c502f46e19f72bb791fc791015cd91869f0a787091f2615378cc07
SHA512

20c97ffaa5ace0aad3fe6c916ca5f86ea51bbe3ba5319a00305ebc333b45250b36f3943eb623df52662cb3ed9c3185f2c3ddb6768662eb7f88d6fa6eca875ed8
SSDEEP

384:6hzaNwAO9GiJlDmlAloSAhmbZ9/vQi/60G7J8vKIs:ahZGirHAhmbZ9nQC6dJiKH

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3420	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe
3420	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3420 wrote to memory of 3604	3420	AcroRd32.exe	93
PID 3420 wrote to memory of 3604	3420	AcroRd32.exe	93
PID 3420 wrote to memory of 3604	3420	AcroRd32.exe	93
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 3384	3604	RdrCEF.exe	94
PID 3604 wrote to memory of 804	3604	RdrCEF.exe	95
PID 3604 wrote to memory of 804	3604	RdrCEF.exe	95
PID 3604 wrote to memory of 804	3604	RdrCEF.exe	95
PID 3604 wrote to memory of 804	3604	RdrCEF.exe	95
PID 3604 wrote to memory of 804	3604	RdrCEF.exe	95
PID 3604 wrote to memory of 804	3604	RdrCEF.exe	95
PID 3604 wrote to memory of 804	3604	RdrCEF.exe	95
PID 3604 wrote to memory of 804	3604	RdrCEF.exe	95
PID 3604 wrote to memory of 804	3604	RdrCEF.exe	95
PID 3604 wrote to memory of 804	3604	RdrCEF.exe	95
PID 3604 wrote to memory of 804	3604	RdrCEF.exe	95
PID 3604 wrote to memory of 804	3604	RdrCEF.exe	95
PID 3604 wrote to memory of 804	3604	RdrCEF.exe	95
PID 3604 wrote to memory of 804	3604	RdrCEF.exe	95
PID 3604 wrote to memory of 804	3604	RdrCEF.exe	95
PID 3604 wrote to memory of 804	3604	RdrCEF.exe	95
PID 3604 wrote to memory of 804	3604	RdrCEF.exe	95
PID 3604 wrote to memory of 804	3604	RdrCEF.exe	95
PID 3604 wrote to memory of 804	3604	RdrCEF.exe	95
PID 3604 wrote to memory of 804	3604	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\6506cb03dd663fee98ca15f17a339242.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:3420
- 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:3604
- - 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=FA325CE1A9D3B3DAE564C95603E4379A --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3384
- - 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=B6D73BE7AC0D88C7DC36DDE3BD6EEDAD --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=B6D73BE7AC0D88C7DC36DDE3BD6EEDAD --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:804
- - 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=A4490F0CEEE2FBBD3DB36B6F7AA94678 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4368
- - 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=A632492DB2AC3B2D1C9910813ABE46F3 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2392
- - 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=10608991CF1561C9A70B04C6ABAAA126 --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=10608991CF1561C9A70B04C6ABAAA126 --renderer-client-id=6 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2672
- - 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=D3610B16BB54E556B51161D0C15F5B67 --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3512

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4116

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
0babfddb0138c1ef0dac1747bfbe67f8

SHA1
c72101ad87e8198333f8a68ed4c37bd752cd3bb6

SHA256
b96db62700080d2dfe871ef9461d115c8465b334dbc42d64a6ef323c7ce9b336

SHA512
5ffbeb945f437669de5640cfe9962028204ab36006d82b98ea774ac0d1ea291e7020961947833348bad4805b9994b6815cbd0b907dfc3fea133163e67b0da30d

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