ff524d010973a6bbf02663397160a4d33f7eaf90df9128c873026dedcafb4b04

Analysis

max time kernel
140s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 06:22

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General

Target

86296dd05fca5cf9c7534b96b4c02d4c.pdf
Size

940KB
MD5

86296dd05fca5cf9c7534b96b4c02d4c
SHA1

0182cd4acb6c5808263034cc5199e2b807d0110d
SHA256

ff524d010973a6bbf02663397160a4d33f7eaf90df9128c873026dedcafb4b04
SHA512

6ff7248f69c113abeb14fee612dded505f2c7abf1fdd1a7d9148321bc1eb03fe7018704c98d9596c87c2fd7370c92bb87058d7b1429c46ea59e20871abdd0bcf
SSDEEP

24576:zblIqKkIs/5NWZ4McrSLGnMJPRKiMMiv1w1dbsH+:1nKkIsBNo9crS5PRKi0odwH+

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2244	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe
2244	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 4852	2244	AcroRd32.exe	92
PID 2244 wrote to memory of 4852	2244	AcroRd32.exe	92
PID 2244 wrote to memory of 4852	2244	AcroRd32.exe	92
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 3076	4852	RdrCEF.exe	93
PID 4852 wrote to memory of 4836	4852	RdrCEF.exe	94
PID 4852 wrote to memory of 4836	4852	RdrCEF.exe	94
PID 4852 wrote to memory of 4836	4852	RdrCEF.exe	94
PID 4852 wrote to memory of 4836	4852	RdrCEF.exe	94
PID 4852 wrote to memory of 4836	4852	RdrCEF.exe	94
PID 4852 wrote to memory of 4836	4852	RdrCEF.exe	94
PID 4852 wrote to memory of 4836	4852	RdrCEF.exe	94
PID 4852 wrote to memory of 4836	4852	RdrCEF.exe	94
PID 4852 wrote to memory of 4836	4852	RdrCEF.exe	94
PID 4852 wrote to memory of 4836	4852	RdrCEF.exe	94
PID 4852 wrote to memory of 4836	4852	RdrCEF.exe	94
PID 4852 wrote to memory of 4836	4852	RdrCEF.exe	94
PID 4852 wrote to memory of 4836	4852	RdrCEF.exe	94
PID 4852 wrote to memory of 4836	4852	RdrCEF.exe	94
PID 4852 wrote to memory of 4836	4852	RdrCEF.exe	94
PID 4852 wrote to memory of 4836	4852	RdrCEF.exe	94
PID 4852 wrote to memory of 4836	4852	RdrCEF.exe	94
PID 4852 wrote to memory of 4836	4852	RdrCEF.exe	94

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\86296dd05fca5cf9c7534b96b4c02d4c.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:2244
- 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:4852
- - 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=9945B75072FD3B4CA95875DD43640C78 --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=9945B75072FD3B4CA95875DD43640C78 --renderer-client-id=2 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3076
- - 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=CE2736A3BDD176CD60577C4951237462 --mojo-platform-channel-handle=1800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4836
- - 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=B8EFFADD748FE563F2B5E980F9293F40 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2356
- - 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=629DDCEC378F6C8825C9E4CC425B3580 --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=629DDCEC378F6C8825C9E4CC425B3580 --renderer-client-id=5 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3296
- - 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=B2BBF3B4AB2C8BC35E677A7303AE8D42 --mojo-platform-channel-handle=2540 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1380
- - 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=F52F293741BC512B7825061427B2430F --mojo-platform-channel-handle=2992 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1548

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4604

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
f7d42aaa4fd0fdd021cfd08a02ae253f

SHA1
30b5ef6ada3f7dbc9afe942486961a0b8fe16450

SHA256
16ad415bbefd57dcb869b574e8a342a286fd8136c7f61cf5b83e7328e3d41c38

SHA512
181b88283fb057fd66cd5dcffb23ad5a5afc07fdd1745d98e75ee6e27387020f053a9dca877c61229919d85cdaada5156ac02a459143d775d22f53d701cc8bb8

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/2244-25-0x0000000009870000-0x00000000098C0000-memory.dmp

Filesize
320KB

Download
memory/2244-26-0x0000000009870000-0x0000000009B1B000-memory.dmp

Filesize
2.7MB

Download