07d5a3ac2edc63e4c4f9a64515ba1436d45ba82d7a2814430fd8c8a57efc3df7

Analysis

max time kernel
179s
max time network
193s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 00:27

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General

Target

08899938a7c3f083526e4cf6d8f8646c.pdf
Size

90KB
MD5

08899938a7c3f083526e4cf6d8f8646c
SHA1

50bbd67f41d556397ba93a728596ad7fab7f0842
SHA256

07d5a3ac2edc63e4c4f9a64515ba1436d45ba82d7a2814430fd8c8a57efc3df7
SHA512

5b430b71d5e720b23f5e2e71244b943f3ef9e4f8c1ae09d4e2248e12015654625adc92f6ce161c2b43c3e746db88b641b6c66b9cdb82060717e3b449e25e500c
SSDEEP

1536:4m61D5j7Nr4NHSbwtYVu0XYh03Te4qLrZGpQYhXZEDEJcWIfMED1W6pOu23hdnya:Ny9qSbw4Loh03Te4qLrgpzXuoJWMEDmn

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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2944	AcroRd32.exe
2944	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2944	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe
2944	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 1416	2944	AcroRd32.exe	102
PID 2944 wrote to memory of 1416	2944	AcroRd32.exe	102
PID 2944 wrote to memory of 1416	2944	AcroRd32.exe	102
PID 2944 wrote to memory of 1248	2944	AcroRd32.exe	105
PID 2944 wrote to memory of 1248	2944	AcroRd32.exe	105
PID 2944 wrote to memory of 1248	2944	AcroRd32.exe	105
PID 2944 wrote to memory of 1636	2944	AcroRd32.exe	106
PID 2944 wrote to memory of 1636	2944	AcroRd32.exe	106
PID 2944 wrote to memory of 1636	2944	AcroRd32.exe	106
PID 2944 wrote to memory of 4824	2944	AcroRd32.exe	107
PID 2944 wrote to memory of 4824	2944	AcroRd32.exe	107
PID 2944 wrote to memory of 4824	2944	AcroRd32.exe	107
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2460	1636	RdrCEF.exe	112
PID 1636 wrote to memory of 2308	1636	RdrCEF.exe	113
PID 1636 wrote to memory of 2308	1636	RdrCEF.exe	113
PID 1636 wrote to memory of 2308	1636	RdrCEF.exe	113
PID 1636 wrote to memory of 2308	1636	RdrCEF.exe	113
PID 1636 wrote to memory of 2308	1636	RdrCEF.exe	113
PID 1636 wrote to memory of 2308	1636	RdrCEF.exe	113
PID 1636 wrote to memory of 2308	1636	RdrCEF.exe	113
PID 1636 wrote to memory of 2308	1636	RdrCEF.exe	113
PID 1636 wrote to memory of 2308	1636	RdrCEF.exe	113
PID 1636 wrote to memory of 2308	1636	RdrCEF.exe	113
PID 1636 wrote to memory of 2308	1636	RdrCEF.exe	113

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\08899938a7c3f083526e4cf6d8f8646c.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:2944
- 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⤵
  PID:1416
- 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⤵
  PID:1248
- 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:1636
- - 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=6F2753337E5EFDFAD805A5E076DD8DD0 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2460
- - 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=FC0CD81C49F16A57109B96A8677EC4FA --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=FC0CD81C49F16A57109B96A8677EC4FA --renderer-client-id=2 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2308
- 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⤵
  PID:4824

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

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Downloads

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