92cdee40a9448b45c019fd5b9ec7ab35fbcff832cde7bfeee11fade8d9023bba

Analysis

max time kernel
142s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 01:31

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General

Target

92cdee40a9448b45c019fd5b9ec7ab35fbcff832cde7bfeee11fade8d9023bba.pdf
Size

61KB
MD5

dda81564780f906db50b0d4d7f36eda7
SHA1

614b4da5092a6758ef9d421108fc463afad7f99b
SHA256

92cdee40a9448b45c019fd5b9ec7ab35fbcff832cde7bfeee11fade8d9023bba
SHA512

f60924b15724336748b9c3db45d9b593619f8c1d27c5db13febe70bf2a8f3fb334648557ef7c8158f9f9271eac5b70239a43770abc7fccc5b27680f7ba709a07
SSDEEP

1536:dZsQ0zKAKHFiKlpYeuNf0nd5WGZ5lX5PWTiuJyaTyl:90zKAODlHul0ndJbVsTyag

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-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4836	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe
4836	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 3824	4836	AcroRd32.exe	83
PID 4836 wrote to memory of 3824	4836	AcroRd32.exe	83
PID 4836 wrote to memory of 3824	4836	AcroRd32.exe	83
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 4412	3824	RdrCEF.exe	84
PID 3824 wrote to memory of 1060	3824	RdrCEF.exe	85
PID 3824 wrote to memory of 1060	3824	RdrCEF.exe	85
PID 3824 wrote to memory of 1060	3824	RdrCEF.exe	85
PID 3824 wrote to memory of 1060	3824	RdrCEF.exe	85
PID 3824 wrote to memory of 1060	3824	RdrCEF.exe	85
PID 3824 wrote to memory of 1060	3824	RdrCEF.exe	85
PID 3824 wrote to memory of 1060	3824	RdrCEF.exe	85
PID 3824 wrote to memory of 1060	3824	RdrCEF.exe	85
PID 3824 wrote to memory of 1060	3824	RdrCEF.exe	85
PID 3824 wrote to memory of 1060	3824	RdrCEF.exe	85
PID 3824 wrote to memory of 1060	3824	RdrCEF.exe	85
PID 3824 wrote to memory of 1060	3824	RdrCEF.exe	85
PID 3824 wrote to memory of 1060	3824	RdrCEF.exe	85
PID 3824 wrote to memory of 1060	3824	RdrCEF.exe	85
PID 3824 wrote to memory of 1060	3824	RdrCEF.exe	85
PID 3824 wrote to memory of 1060	3824	RdrCEF.exe	85
PID 3824 wrote to memory of 1060	3824	RdrCEF.exe	85
PID 3824 wrote to memory of 1060	3824	RdrCEF.exe	85
PID 3824 wrote to memory of 1060	3824	RdrCEF.exe	85
PID 3824 wrote to memory of 1060	3824	RdrCEF.exe	85

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\92cdee40a9448b45c019fd5b9ec7ab35fbcff832cde7bfeee11fade8d9023bba.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:4836
- 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:3824
- - 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=2E834A47D795C98495F054E6EAE8341A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4412
- - 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=F64DCF4367C3411F32D1F87D3CBC4D9E --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=F64DCF4367C3411F32D1F87D3CBC4D9E --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1060
- - 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=CB852077BCD7FB25D1400960A02216FD --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=CB852077BCD7FB25D1400960A02216FD --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:808
- - 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=F89B4FF4C67D541A674D7E6DA15C1B07 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3508
- - 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=1458BBC9E6282F5DFAAB78A20B8AF35F --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:208
- - 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=C6D3A82F65C4FCFD7A8A65052C7A4548 --mojo-platform-channel-handle=2492 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3524

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4724

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
ac5937a871c4e4af9f5a214625bac350

SHA1
a1c60a9eea377410ec00e8a6f1eb00b555016169

SHA256
459cc7a26effe0387d871140de01d54f91804675fe2207e32d14839ab4c26e2b

SHA512
0a674bbd0f798ca754d653a029682ac5c972de8c90ca0425e6646ea0bf8980197ea08d2b046a7efce49ccbe8c0be0780288eddc27652c4cc077856ae10d1b831

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/4836-135-0x000000000D160000-0x000000000D2AD000-memory.dmp

Filesize
1.3MB

Download