de99f852432c3e38a3d161abd1ecfca543dbd874007e27943f9888dd1bd937ba

Analysis

max time kernel
152s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2023, 17:40

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General

Target

NEAS.18afb387ac4f8f0c0bfc2925adc7f8b0_JC.pdf
Size

75KB
MD5

18afb387ac4f8f0c0bfc2925adc7f8b0
SHA1

8e510e04e2db0dab7b3ff9730c9e68b4aadd3c18
SHA256

de99f852432c3e38a3d161abd1ecfca543dbd874007e27943f9888dd1bd937ba
SHA512

ab4d41bcd38efd931b08ee088f98245d9ce107a50bc629d5fa7b690f16d15a66250d456bdc5347c6a76fe04e2c9a6aef8b32d01666154392bcd2c3ed4d999b84
SSDEEP

1536:E3cm7SdOcxWadWhS4DULxZl6aEojvRP8jq5p/kK7:HkVcoashS4DUHl6aEYRP8yKa

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-1-5-21-2344688013-2965468717-2034126-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4296	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe
4296	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4296 wrote to memory of 4412	4296	AcroRd32.exe	95
PID 4296 wrote to memory of 4412	4296	AcroRd32.exe	95
PID 4296 wrote to memory of 4412	4296	AcroRd32.exe	95
PID 4296 wrote to memory of 1672	4296	AcroRd32.exe	97
PID 4296 wrote to memory of 1672	4296	AcroRd32.exe	97
PID 4296 wrote to memory of 1672	4296	AcroRd32.exe	97
PID 4296 wrote to memory of 1324	4296	AcroRd32.exe	99
PID 4296 wrote to memory of 1324	4296	AcroRd32.exe	99
PID 4296 wrote to memory of 1324	4296	AcroRd32.exe	99
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 1344	1324	RdrCEF.exe	101
PID 1324 wrote to memory of 2232	1324	RdrCEF.exe	102
PID 1324 wrote to memory of 2232	1324	RdrCEF.exe	102
PID 1324 wrote to memory of 2232	1324	RdrCEF.exe	102
PID 1324 wrote to memory of 2232	1324	RdrCEF.exe	102
PID 1324 wrote to memory of 2232	1324	RdrCEF.exe	102
PID 1324 wrote to memory of 2232	1324	RdrCEF.exe	102
PID 1324 wrote to memory of 2232	1324	RdrCEF.exe	102
PID 1324 wrote to memory of 2232	1324	RdrCEF.exe	102
PID 1324 wrote to memory of 2232	1324	RdrCEF.exe	102
PID 1324 wrote to memory of 2232	1324	RdrCEF.exe	102
PID 1324 wrote to memory of 2232	1324	RdrCEF.exe	102
PID 1324 wrote to memory of 2232	1324	RdrCEF.exe	102
PID 1324 wrote to memory of 2232	1324	RdrCEF.exe	102
PID 1324 wrote to memory of 2232	1324	RdrCEF.exe	102

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\NEAS.18afb387ac4f8f0c0bfc2925adc7f8b0_JC.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:4296
- 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⤵
  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" --backgroundcolor=16514043
  2⤵
  PID:1672
- 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:1324
- - 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=8239DB4A8E33FBFF6BFBE0FEA4E96B2F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1344
- - 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=7D3882DA82BCBCAA837A75E0EF17EC2A --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=7D3882DA82BCBCAA837A75E0EF17EC2A --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2232
- - 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=867BB18774E7BCFE59E8E169B77D79AC --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1120
- - 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=A80200A0563592874CD3EB66957AAE3A --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1700
- - 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=1BDA2EF3FDBB6C4FF4D2D2A1421C7758 --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=1BDA2EF3FDBB6C4FF4D2D2A1421C7758 --renderer-client-id=6 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2096
- - 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=B785B0C74B98FFB3F491D3D48F6C44C0 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1916

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5072

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
d99cac9d72bba91a6d0a4b9d844270da

SHA1
e3d13482448a8cec6a0190a527599f33eb3ca64d

SHA256
275b343abf074b57208018e64d8912c97f6b020e08bf6b4628dca32db98cec23

SHA512
efcabb07e13fc5320f0c4cd580fe44066dedc2ed456e9ec0993612cd80d0643a9d50e6ae403ef41ea44bedaca0dd89cc2ad76e8936b93b110dbcbd012b4a3ae0

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
memory/4296-153-0x0000000008AD0000-0x0000000008AFA000-memory.dmp

Filesize
168KB

Download