de56fb6b885c6dfd726640ef8d08e7aa3a5ed13d643cdba0059466d1a2256572

Analysis

max time kernel
143s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2024 05:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

481940123d6aeb37847a7fd1fdf49c91.pdf
Size

42KB
MD5

481940123d6aeb37847a7fd1fdf49c91
SHA1

e30b74aea4abf50b0305c92cfe5f87a633f97ad4
SHA256

de56fb6b885c6dfd726640ef8d08e7aa3a5ed13d643cdba0059466d1a2256572
SHA512

0e179127d3615d7b34fa6c202861d839383045a4dcf7d5e6766e16b692db586f920c6758ab5faec8d990df7c79b5193c4283975eabdd89fc4d9045273af5f087
SSDEEP

768:uERjzPRhDDXg3aGbhWRGYIKvNXPPFwgcloYfo:uQfPvgKgWRG3KvNnFwgcZo

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4816	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe
4816	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 3224	4816	AcroRd32.exe	95
PID 4816 wrote to memory of 3224	4816	AcroRd32.exe	95
PID 4816 wrote to memory of 3224	4816	AcroRd32.exe	95
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 2328	3224	RdrCEF.exe	96
PID 3224 wrote to memory of 3608	3224	RdrCEF.exe	97
PID 3224 wrote to memory of 3608	3224	RdrCEF.exe	97
PID 3224 wrote to memory of 3608	3224	RdrCEF.exe	97
PID 3224 wrote to memory of 3608	3224	RdrCEF.exe	97
PID 3224 wrote to memory of 3608	3224	RdrCEF.exe	97
PID 3224 wrote to memory of 3608	3224	RdrCEF.exe	97
PID 3224 wrote to memory of 3608	3224	RdrCEF.exe	97
PID 3224 wrote to memory of 3608	3224	RdrCEF.exe	97
PID 3224 wrote to memory of 3608	3224	RdrCEF.exe	97
PID 3224 wrote to memory of 3608	3224	RdrCEF.exe	97
PID 3224 wrote to memory of 3608	3224	RdrCEF.exe	97
PID 3224 wrote to memory of 3608	3224	RdrCEF.exe	97
PID 3224 wrote to memory of 3608	3224	RdrCEF.exe	97
PID 3224 wrote to memory of 3608	3224	RdrCEF.exe	97
PID 3224 wrote to memory of 3608	3224	RdrCEF.exe	97
PID 3224 wrote to memory of 3608	3224	RdrCEF.exe	97
PID 3224 wrote to memory of 3608	3224	RdrCEF.exe	97
PID 3224 wrote to memory of 3608	3224	RdrCEF.exe	97
PID 3224 wrote to memory of 3608	3224	RdrCEF.exe	97
PID 3224 wrote to memory of 3608	3224	RdrCEF.exe	97

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\481940123d6aeb37847a7fd1fdf49c91.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:4816
- 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:3224
- - 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=E6B8944B1F01E2DA823A52025E1B0BA5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2328
- - 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=7C1A568A6809D39E1EF8B0D40F45D338 --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=7C1A568A6809D39E1EF8B0D40F45D338 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3608
- - 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=1ECBDCCAA10378F3729CC12D387FE4DF --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1156
- - 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=AEF32636A5DB055761B86CC695C59992 --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=AEF32636A5DB055761B86CC695C59992 --renderer-client-id=5 --mojo-platform-channel-handle=1852 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1712
- - 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=5F729502202BEBE091842E90AB046584 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3728
- - 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=A29B326579F3D963ECFB3F047F2AFAF1 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4084

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:220

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
8075811fe276d386e7fda50e6b7c8bbd

SHA1
0a2882d61746e6a2d531caf6b68d005bd2616ee2

SHA256
bb7a2b42366cacc205960ca1caefccc429e1c7f08fe961cb8bd65e2e5e8659da

SHA512
52cf169b9aec094867ff1b0a6aa682e7c05269eb4041a620725f061b9ed613a7f4f862b5a4429b367de8adb91bbf639bfb4b0051e6f4bd9194929448d4476f00

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/4816-164-0x000000000AA10000-0x000000000AA3A000-memory.dmp

Filesize
168KB

Download