ac0ebc16f76f3c660d43dbc6385799f9452dd4c04bc403766fd47db3ddcb9d31

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2024 21:03

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General

Target

9025dc5699232039af658b06c6092ece.pdf
Size

70KB
MD5

9025dc5699232039af658b06c6092ece
SHA1

a6c176735b05657a42474f6efbc067331972cdd6
SHA256

ac0ebc16f76f3c660d43dbc6385799f9452dd4c04bc403766fd47db3ddcb9d31
SHA512

d8bb31f1df7433210a31b550af00d0d4379ed9a7063986c386b9f2d0af733d2bc60d966aeb0b156ff22f7961aa6b08ad57db8be88eecc6595a1634701e099a27
SSDEEP

1536:sB93Cb+Y0GW2cNAxbu+ifGLMiMBz9WQuNXuchAdtwc1pTXjM:U4CGh0ABiOLMrEQutvc3zM

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe
4184	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4184 wrote to memory of 2440	4184	AcroRd32.exe	91
PID 4184 wrote to memory of 2440	4184	AcroRd32.exe	91
PID 4184 wrote to memory of 2440	4184	AcroRd32.exe	91
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 3256	2440	RdrCEF.exe	93
PID 2440 wrote to memory of 1316	2440	RdrCEF.exe	92
PID 2440 wrote to memory of 1316	2440	RdrCEF.exe	92
PID 2440 wrote to memory of 1316	2440	RdrCEF.exe	92
PID 2440 wrote to memory of 1316	2440	RdrCEF.exe	92
PID 2440 wrote to memory of 1316	2440	RdrCEF.exe	92
PID 2440 wrote to memory of 1316	2440	RdrCEF.exe	92
PID 2440 wrote to memory of 1316	2440	RdrCEF.exe	92
PID 2440 wrote to memory of 1316	2440	RdrCEF.exe	92
PID 2440 wrote to memory of 1316	2440	RdrCEF.exe	92
PID 2440 wrote to memory of 1316	2440	RdrCEF.exe	92
PID 2440 wrote to memory of 1316	2440	RdrCEF.exe	92
PID 2440 wrote to memory of 1316	2440	RdrCEF.exe	92
PID 2440 wrote to memory of 1316	2440	RdrCEF.exe	92
PID 2440 wrote to memory of 1316	2440	RdrCEF.exe	92
PID 2440 wrote to memory of 1316	2440	RdrCEF.exe	92
PID 2440 wrote to memory of 1316	2440	RdrCEF.exe	92
PID 2440 wrote to memory of 1316	2440	RdrCEF.exe	92
PID 2440 wrote to memory of 1316	2440	RdrCEF.exe	92
PID 2440 wrote to memory of 1316	2440	RdrCEF.exe	92
PID 2440 wrote to memory of 1316	2440	RdrCEF.exe	92

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\9025dc5699232039af658b06c6092ece.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4184
- 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:2440
- - 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=246AA54A9E77B2CE5531FFDFEF2E68CB --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=246AA54A9E77B2CE5531FFDFEF2E68CB --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1316
- - 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=4CC50D876438B7B200B97C8DCFC6A309 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3256
- - 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=31B143BA0AA1B024A181671E570F53C0 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1056
- - 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=DBAD21A53EEB4C23425BA898BED30CBB --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1768
- - 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=54B084B05AD8DD9A98354FECCB514080 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:448

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4360

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
bd9222410fff6fbe4122cc551576fcec

SHA1
bca487dfd15ee5c3b5ef78fd622dd0c5832cb63b

SHA256
096afa5905ffee6d586fa5e8171143386bb45b47711cac2d787f1c3d09b956df

SHA512
911d167861b091ed30db45bb19320a828754114a1d5f740f988ce1793c567b86b2da8e1d35af8c3a444156be448faf331fd3be19ae2e2d7e52e4933d2f586997

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/4184-127-0x000000000A3A0000-0x000000000A64B000-memory.dmp

Filesize
2.7MB

Download