4b3be1a0f3ae662a3c406c305b60850a11b5854891bf71a742e65704067e709f

Analysis

max time kernel
104s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 14:44

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General

Target

Intimacion_433658.pdf
Size

55KB
MD5

e530fc9e68609a7cc34d660cc7533311
SHA1

b7b4eecfeddb66028d4f7c508e85f6fe62b182c5
SHA256

4b3be1a0f3ae662a3c406c305b60850a11b5854891bf71a742e65704067e709f
SHA512

0ab0345d6d8503ddfd651931457cd1d629e5685fa3abce16246097a13c8abf42bdd4db73b330943fb2432c438474db4b2ec2bc0998ef4ef317b34ed2020e4674
SSDEEP

768:9fTcA/Lbzxy0Z/lSjgOviIv0FhXzHopBxurQpmc3tcCkXR+xWVTS+0n7bBC8F:j7M4lSEOvNGXDrpcFk8+87bBb

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-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5056	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 3028	5056	AcroRd32.exe	88
PID 5056 wrote to memory of 3028	5056	AcroRd32.exe	88
PID 5056 wrote to memory of 3028	5056	AcroRd32.exe	88
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 4772	3028	RdrCEF.exe	89
PID 3028 wrote to memory of 808	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 808	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 808	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 808	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 808	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 808	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 808	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 808	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 808	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 808	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 808	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 808	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 808	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 808	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 808	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 808	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 808	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 808	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 808	3028	RdrCEF.exe	90
PID 3028 wrote to memory of 808	3028	RdrCEF.exe	90

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\Intimacion_433658.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:5056
- 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:3028
- - 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=47CD2D61083FCDB9706C78698EF76E4C --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4772
- - 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=42D7C52262384B543E610FDE7C4BCE23 --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=42D7C52262384B543E610FDE7C4BCE23 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:808
- - 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=CEDBC758C6DCDEA648175C07D7431234 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3924
- - 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=84ED2B8CED4918ECCAC005DE680DD13E --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5100
- - 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=388538355C5E3AFB3C461D5C12DBE51D --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2624
- - 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=2D0BBF8E9945EDDEDD2E677188581377 --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=2D0BBF8E9945EDDEDD2E677188581377 --renderer-client-id=7 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3160

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2852

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
1bc5ac43e2688cd0dad18f5a7660169d

SHA1
8e32f19c605654d0d8b4d4e4da0d0fa8f6d9b37e

SHA256
cf85f84fa9f0ec8cac80a4ee793d9006c0ff830fe69038a575e6e90a8d9cc3ef

SHA512
63cb528bc6616b5bc464121aa185a30edc2fb53e134a7dd0738213aa78ff7a18628b6526ca4534b571f100107b6e0b4721505dfa558d965711ad3f0519b00598

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