a6d3f21ccbed0129cce3f9f40f77c9d13e5b318c570003f84ac9fc86fab7eea5

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 20:03

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General

Target

3a02043385365e6839ae6055f59b1f73.pdf
Size

24KB
MD5

3a02043385365e6839ae6055f59b1f73
SHA1

24d150d831a82ba4c26f667f517f9049b21d1803
SHA256

a6d3f21ccbed0129cce3f9f40f77c9d13e5b318c570003f84ac9fc86fab7eea5
SHA512

431b3dabe69b9d2e1711cdc68caa0fc728badf3fec0bb74ec9e14c70bc20534210fd90deebe0000900fce65ebbb5892b2a53de552d19766dca1598cdec6c0ae4
SSDEEP

384:8sFlS3K6XgKV7cAgdOpW+0Ye1zPQg4oDUfY5FgoM3UdYgvzon6R/BMLOsHUdi3JG:cgGzpDNe1zPQUhgoWEBasrsHhswjCEW

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe
2744	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 1376	2744	AcroRd32.exe	94
PID 2744 wrote to memory of 1376	2744	AcroRd32.exe	94
PID 2744 wrote to memory of 1376	2744	AcroRd32.exe	94
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 2104	1376	RdrCEF.exe	95
PID 1376 wrote to memory of 4148	1376	RdrCEF.exe	96
PID 1376 wrote to memory of 4148	1376	RdrCEF.exe	96
PID 1376 wrote to memory of 4148	1376	RdrCEF.exe	96
PID 1376 wrote to memory of 4148	1376	RdrCEF.exe	96
PID 1376 wrote to memory of 4148	1376	RdrCEF.exe	96
PID 1376 wrote to memory of 4148	1376	RdrCEF.exe	96
PID 1376 wrote to memory of 4148	1376	RdrCEF.exe	96
PID 1376 wrote to memory of 4148	1376	RdrCEF.exe	96
PID 1376 wrote to memory of 4148	1376	RdrCEF.exe	96
PID 1376 wrote to memory of 4148	1376	RdrCEF.exe	96
PID 1376 wrote to memory of 4148	1376	RdrCEF.exe	96
PID 1376 wrote to memory of 4148	1376	RdrCEF.exe	96
PID 1376 wrote to memory of 4148	1376	RdrCEF.exe	96
PID 1376 wrote to memory of 4148	1376	RdrCEF.exe	96
PID 1376 wrote to memory of 4148	1376	RdrCEF.exe	96
PID 1376 wrote to memory of 4148	1376	RdrCEF.exe	96
PID 1376 wrote to memory of 4148	1376	RdrCEF.exe	96
PID 1376 wrote to memory of 4148	1376	RdrCEF.exe	96
PID 1376 wrote to memory of 4148	1376	RdrCEF.exe	96
PID 1376 wrote to memory of 4148	1376	RdrCEF.exe	96

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\3a02043385365e6839ae6055f59b1f73.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2744
- 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:1376
- - 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=5F45D967B0AA67E881A87B62AD150174 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2104
- - 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=15E967C3182DBDA4F401C37CE325EC21 --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=15E967C3182DBDA4F401C37CE325EC21 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4148
- - 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=44569869B3AAE4D953E5560BE2C31CA2 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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" --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=228295F829CC7106C174FB21943DDA17 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4280
- - 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=A2D8845A9FB8AF1B8141DC4E70CAFFA1 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3320

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
19fb1c307f7622c0878d8ad42d11b663

SHA1
b1ad8b7a3b2a408641ffe3bb83e37d4be2404b20

SHA256
96d39873540d9b75782386927e52c0db115a960529b5333bf174296f427c8054

SHA512
03b4d3600b1d699ad548d9943e981368e08851f3adfc5ba4e4be1e8e61f584ef7d68b45ea1fe7009c586de11bf97eb6e44aeb0ff4cd6cd7392a0d0846e84bdfb

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/2744-125-0x00000000099A0000-0x0000000009C4B000-memory.dmp

Filesize
2.7MB

Download