c49da1595febb6acbc91acecafbfe8f38f5d80b5ec23aa61a96e124a90987ba5

Analysis

max time kernel
201s
max time network
213s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 05:39

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General

Target

2a58c5f29ecfaa2b11c006dea68e1678.pdf
Size

93KB
MD5

2a58c5f29ecfaa2b11c006dea68e1678
SHA1

e40400a0c072525c9bef90bf33cd2d1dfe90e18f
SHA256

c49da1595febb6acbc91acecafbfe8f38f5d80b5ec23aa61a96e124a90987ba5
SHA512

021adfe870cc5bffdd25fe73944d2c2544a50f583ab1052b4880d5095df9f8d4f36d8cba45402d2627a9b2b768eb09fd2b163b5331a886cece7b26c5d85ec72e
SSDEEP

1536:dlGzWC33KFrpvkBXUuD/t+0K+5bPOHQ7h3aMTovdm1AQ37BDLWAFWfHcS7oXrWsG:GzWCqXsxD/s0x6HS19ND7FWf8XqRL

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3008	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 4308	3008	AcroRd32.exe	96
PID 3008 wrote to memory of 4308	3008	AcroRd32.exe	96
PID 3008 wrote to memory of 4308	3008	AcroRd32.exe	96
PID 3008 wrote to memory of 2360	3008	AcroRd32.exe	98
PID 3008 wrote to memory of 2360	3008	AcroRd32.exe	98
PID 3008 wrote to memory of 2360	3008	AcroRd32.exe	98
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 5028	4308	RdrCEF.exe	102
PID 4308 wrote to memory of 1168	4308	RdrCEF.exe	103
PID 4308 wrote to memory of 1168	4308	RdrCEF.exe	103
PID 4308 wrote to memory of 1168	4308	RdrCEF.exe	103
PID 4308 wrote to memory of 1168	4308	RdrCEF.exe	103
PID 4308 wrote to memory of 1168	4308	RdrCEF.exe	103
PID 4308 wrote to memory of 1168	4308	RdrCEF.exe	103
PID 4308 wrote to memory of 1168	4308	RdrCEF.exe	103
PID 4308 wrote to memory of 1168	4308	RdrCEF.exe	103
PID 4308 wrote to memory of 1168	4308	RdrCEF.exe	103
PID 4308 wrote to memory of 1168	4308	RdrCEF.exe	103
PID 4308 wrote to memory of 1168	4308	RdrCEF.exe	103
PID 4308 wrote to memory of 1168	4308	RdrCEF.exe	103
PID 4308 wrote to memory of 1168	4308	RdrCEF.exe	103
PID 4308 wrote to memory of 1168	4308	RdrCEF.exe	103
PID 4308 wrote to memory of 1168	4308	RdrCEF.exe	103

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\2a58c5f29ecfaa2b11c006dea68e1678.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:3008
- 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: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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=40490FBF954E04DA6A649AF86125FF28 --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=40490FBF954E04DA6A649AF86125FF28 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5028
- - 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=20A1BC7439FB4012F172C486F5D6FA3B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1168
- 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:2360
- 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:2300

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
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit