197be2b31ae69082ce91e9f22df5373b544576a8d4e7d84f2563b20cdaf7471a

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07-03-2024 10:05

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General

Target

b8776593e0cf456ff442ed6e133d5928.pdf
Size

78KB
MD5

b8776593e0cf456ff442ed6e133d5928
SHA1

f85fa61695f06c596c258dd5d2cdd944bd208257
SHA256

197be2b31ae69082ce91e9f22df5373b544576a8d4e7d84f2563b20cdaf7471a
SHA512

524499d041537802c6831cf17bff69c9db7abd9c1d0b26f1fcc492479422d770fbdaee339bf460531f25cd80414770c302bcc1f4f5ec9a7993b08b86b4ad4f0a
SSDEEP

1536:/LkUVZ4ytlJGL+lJdPlPzdcTUfz61TYvmkNn3U6W7/+hO0TZWbpON9Y+:F/JGqJFcTUfW1cOanEko0TbNH

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1356	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe
1356	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 4476	1356	AcroRd32.exe	90
PID 1356 wrote to memory of 4476	1356	AcroRd32.exe	90
PID 1356 wrote to memory of 4476	1356	AcroRd32.exe	90
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 4048	4476	RdrCEF.exe	93
PID 4476 wrote to memory of 3900	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 3900	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 3900	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 3900	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 3900	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 3900	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 3900	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 3900	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 3900	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 3900	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 3900	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 3900	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 3900	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 3900	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 3900	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 3900	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 3900	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 3900	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 3900	4476	RdrCEF.exe	94
PID 4476 wrote to memory of 3900	4476	RdrCEF.exe	94

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\b8776593e0cf456ff442ed6e133d5928.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:1356
- 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: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=BC13AA62D0C76F61D4B05758EC9EBF66 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4048
- - 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=B1312BD3C44138EBDA2AEC517A5C1524 --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=B1312BD3C44138EBDA2AEC517A5C1524 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3900
- - 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=96BAF34803F0DA984B0E963A92D578E5 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:64
- - 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=CBDF372175C15B8DBE79AEA5686A8F09 --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=CBDF372175C15B8DBE79AEA5686A8F09 --renderer-client-id=5 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1560
- - 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=EA719AF4B80AC3C19B419EE9DBC7EA54 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1140
- - 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=3012AE5A90D4F1B6871F61AC095FD3DF --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3588

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4692

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
1739427a5f54c00a40eb1f5f644c9c40

SHA1
5ef9635164ee0f372d84c3eb15e3a55d6ddebde3

SHA256
68b58a93d52eaaa8475cea54d1e86cd9a0bfd153fec1f111389861f9acc65970

SHA512
dfffb0bef4f6f0ac5faeb2e768684f21cea35b04ed2d1b6ac5b5b5aea925512a9d95cc7740740e2430d25a4fab9703d12d28ce5ad75183e2e69ff15980024755

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/1356-27-0x000000000B060000-0x000000000B081000-memory.dmp

Filesize
132KB

Download