5181d23beb108c934b8967d68bcfed046652856b816dfb0e37684ea0d6d8b44f

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
11-06-2024 08:11

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General

Target

5181d23beb108c934b8967d68bcfed046652856b816dfb0e37684ea0d6d8b44f.pdf
Size

46KB
MD5

6efe4599f1220f7f2e5e068c615e644a
SHA1

b15354524f969f71f6dd1a8d7a8a72effd3f5eaf
SHA256

5181d23beb108c934b8967d68bcfed046652856b816dfb0e37684ea0d6d8b44f
SHA512

13e05630e7c0595dd90fdf667dd99be0ced46d3ab6c7b9687dc2d86d41fd2bf9a5de3f448f2a8be0d0192a665309a2c3c0359f7d61eda47aff48e47698e1e82c
SSDEEP

768:pss28gzqeUC/bLufNa+r6X6dSMCz+MB1br9r879O/S0RjcgjgxGCGqdVkk44AIFm:3ne9XufNa+r+6dSMYP9rW9adc7xGFqdo

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-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe
2216	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 3644	2216	AcroRd32.exe	85
PID 2216 wrote to memory of 3644	2216	AcroRd32.exe	85
PID 2216 wrote to memory of 3644	2216	AcroRd32.exe	85
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 1384	3644	RdrCEF.exe	86
PID 3644 wrote to memory of 3840	3644	RdrCEF.exe	87
PID 3644 wrote to memory of 3840	3644	RdrCEF.exe	87
PID 3644 wrote to memory of 3840	3644	RdrCEF.exe	87
PID 3644 wrote to memory of 3840	3644	RdrCEF.exe	87
PID 3644 wrote to memory of 3840	3644	RdrCEF.exe	87
PID 3644 wrote to memory of 3840	3644	RdrCEF.exe	87
PID 3644 wrote to memory of 3840	3644	RdrCEF.exe	87
PID 3644 wrote to memory of 3840	3644	RdrCEF.exe	87
PID 3644 wrote to memory of 3840	3644	RdrCEF.exe	87
PID 3644 wrote to memory of 3840	3644	RdrCEF.exe	87
PID 3644 wrote to memory of 3840	3644	RdrCEF.exe	87
PID 3644 wrote to memory of 3840	3644	RdrCEF.exe	87
PID 3644 wrote to memory of 3840	3644	RdrCEF.exe	87
PID 3644 wrote to memory of 3840	3644	RdrCEF.exe	87
PID 3644 wrote to memory of 3840	3644	RdrCEF.exe	87
PID 3644 wrote to memory of 3840	3644	RdrCEF.exe	87
PID 3644 wrote to memory of 3840	3644	RdrCEF.exe	87
PID 3644 wrote to memory of 3840	3644	RdrCEF.exe	87
PID 3644 wrote to memory of 3840	3644	RdrCEF.exe	87
PID 3644 wrote to memory of 3840	3644	RdrCEF.exe	87

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\5181d23beb108c934b8967d68bcfed046652856b816dfb0e37684ea0d6d8b44f.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2216
- 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:3644
- - 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=16CA3C04C9ED13C701F184EBA4CA5AF1 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1384
- - 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=E2B6C4FE4643D4579FFF1BB393D6F140 --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=E2B6C4FE4643D4579FFF1BB393D6F140 --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3840
- - 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=CAC825EA26FE2EF3F6C6F58F8319228A --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4476
- - 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=17CED1696D229DC15220E571E04449A4 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2728
- - 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=3DA024F11EDDF0396ECEED5DE39F8903 --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4784

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2784

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
64KB

MD5
7beef92bdc0ac01c76e53a93ff360e87

SHA1
f99d8c9ef3a6d30f000acbc244cb48111a427478

SHA256
83690704521497e6548d03b353c32817be78353979980469a099c4fe871f447a

SHA512
86c5eb71d9015d262432eb9059845246dc0204c8494467d1d9dbf6d5084b605d90d38f8edadc8cbf30269fd84084d67e22d5cb92fc15752c5a39f746c55e22f6

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit