fac92076effef6baced8d58d004c5da1589d34e567d1d79407379391f2692e6d

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 11:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

11a5433832865defb9cc58daa901c987.pdf
Size

80KB
MD5

11a5433832865defb9cc58daa901c987
SHA1

81e0def31a1a2f9f85da77b169cba7c4e97690ae
SHA256

fac92076effef6baced8d58d004c5da1589d34e567d1d79407379391f2692e6d
SHA512

b1e1c20dee12ad6c15dcddf352042be93f2a29881d15db3d0f6df2c96639752fa94354956a2c7e91a13ecb081ffa8aefde8e651b3f2ea1a64b737c74e44a1b34
SSDEEP

1536:dadMk9+jD0UqO1M+Gds6g8Wq2ae5/BBqhWx+1NJNJQ6qW8pO+I5L:vk9UD0UCvVgVZakBqm+tI6V+C

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3064	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe
3064	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 5080	3064	AcroRd32.exe	92
PID 3064 wrote to memory of 5080	3064	AcroRd32.exe	92
PID 3064 wrote to memory of 5080	3064	AcroRd32.exe	92
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2704	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 1332	5080	RdrCEF.exe	94
PID 5080 wrote to memory of 1332	5080	RdrCEF.exe	94
PID 5080 wrote to memory of 1332	5080	RdrCEF.exe	94
PID 5080 wrote to memory of 1332	5080	RdrCEF.exe	94
PID 5080 wrote to memory of 1332	5080	RdrCEF.exe	94
PID 5080 wrote to memory of 1332	5080	RdrCEF.exe	94
PID 5080 wrote to memory of 1332	5080	RdrCEF.exe	94
PID 5080 wrote to memory of 1332	5080	RdrCEF.exe	94
PID 5080 wrote to memory of 1332	5080	RdrCEF.exe	94
PID 5080 wrote to memory of 1332	5080	RdrCEF.exe	94
PID 5080 wrote to memory of 1332	5080	RdrCEF.exe	94
PID 5080 wrote to memory of 1332	5080	RdrCEF.exe	94
PID 5080 wrote to memory of 1332	5080	RdrCEF.exe	94
PID 5080 wrote to memory of 1332	5080	RdrCEF.exe	94
PID 5080 wrote to memory of 1332	5080	RdrCEF.exe	94
PID 5080 wrote to memory of 1332	5080	RdrCEF.exe	94
PID 5080 wrote to memory of 1332	5080	RdrCEF.exe	94
PID 5080 wrote to memory of 1332	5080	RdrCEF.exe	94
PID 5080 wrote to memory of 1332	5080	RdrCEF.exe	94
PID 5080 wrote to memory of 1332	5080	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\11a5433832865defb9cc58daa901c987.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:3064
- 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:5080
- - 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=D7A8168EE974D13CF4D7D20326466264 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2704
- - 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=7692AFC05C8976E073FB66646DF1B6DD --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=7692AFC05C8976E073FB66646DF1B6DD --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1332
- - 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=64D89B451B07D04C97E4071D25FBBAA5 --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=64D89B451B07D04C97E4071D25FBBAA5 --renderer-client-id=4 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4308
- - 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=D198BE747114196B63C201852824F5D1 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1876
- - 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=B51267A4291A551EFA850FBDD77A61C8 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2996
- - 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=6D432F3D666150CA9DEA36921BA46CBB --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2448

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3960

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
b6a27c5f001f5fde2e63972cfed37e24

SHA1
45848fa181d12c25a38433c51bf1a6a220db4d11

SHA256
61c1c5da1a7648d47b78ddd57ec05400d8f035770656a684ff9946d9f72bf171

SHA512
60a68d5fa339fa173bb2eb3f3d96e88cdbc022fa4667de398317e35ddb7cbaed71ae00e1ac5b782e98507cdd459d9c999679b003e37df80c38162f644ea10918

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