237901a76b0d0aa6176f1a3c49740b93a8fdae8dd516e6c038790eeb4d43f2e4

Analysis

max time kernel
142s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
02/11/2023, 18:11

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General

Target

NEAS.66db9de67653eb628a56763b4685e8c0_JC.pdf
Size

48KB
MD5

66db9de67653eb628a56763b4685e8c0
SHA1

5d3ef54f82436ef0ab0d0d7cdaf647d1f50e6241
SHA256

237901a76b0d0aa6176f1a3c49740b93a8fdae8dd516e6c038790eeb4d43f2e4
SHA512

b13e234517735d8904e370864556f1a651ed114ca82172342ab6d69502f3ee2f064645b0fad31bf6ec395704691f796302a8ce4518c6379f63da41dc2ec4a919
SSDEEP

1536:GcOGj324uD10261Q1g4X5d6GTuF2SFYLpgilzOo93F:682f10zQ1g4X57TuF2SFYLpNlRF

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-1-5-21-2231940048-779848787-2990559741-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
552	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe
552	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 3056	552	AcroRd32.exe	91
PID 552 wrote to memory of 3056	552	AcroRd32.exe	91
PID 552 wrote to memory of 3056	552	AcroRd32.exe	91
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 3856	3056	RdrCEF.exe	93
PID 3056 wrote to memory of 4840	3056	RdrCEF.exe	94
PID 3056 wrote to memory of 4840	3056	RdrCEF.exe	94
PID 3056 wrote to memory of 4840	3056	RdrCEF.exe	94
PID 3056 wrote to memory of 4840	3056	RdrCEF.exe	94
PID 3056 wrote to memory of 4840	3056	RdrCEF.exe	94
PID 3056 wrote to memory of 4840	3056	RdrCEF.exe	94
PID 3056 wrote to memory of 4840	3056	RdrCEF.exe	94
PID 3056 wrote to memory of 4840	3056	RdrCEF.exe	94
PID 3056 wrote to memory of 4840	3056	RdrCEF.exe	94
PID 3056 wrote to memory of 4840	3056	RdrCEF.exe	94
PID 3056 wrote to memory of 4840	3056	RdrCEF.exe	94
PID 3056 wrote to memory of 4840	3056	RdrCEF.exe	94
PID 3056 wrote to memory of 4840	3056	RdrCEF.exe	94
PID 3056 wrote to memory of 4840	3056	RdrCEF.exe	94
PID 3056 wrote to memory of 4840	3056	RdrCEF.exe	94
PID 3056 wrote to memory of 4840	3056	RdrCEF.exe	94
PID 3056 wrote to memory of 4840	3056	RdrCEF.exe	94
PID 3056 wrote to memory of 4840	3056	RdrCEF.exe	94
PID 3056 wrote to memory of 4840	3056	RdrCEF.exe	94
PID 3056 wrote to memory of 4840	3056	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\NEAS.66db9de67653eb628a56763b4685e8c0_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:552
- 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:3056
- - 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=D4FCBFEA4CCE3360E99BDA847690A9BD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3856
- - 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=FEE48FE1B5289C366D048F590BA6B0FF --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=FEE48FE1B5289C366D048F590BA6B0FF --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4840
- - 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=D2CD55CD572C2217E08F4206D126D6D5 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:880
- - 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=7A31EDA597281C6828C84A21D494580F --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=7A31EDA597281C6828C84A21D494580F --renderer-client-id=5 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1488
- - 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=EDF73B6C7D5C2E9D4FB17DAA1EC0CAF2 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3584
- - 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=E6E55F4F00370FA9962F9D0D4F9C18C5 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2592

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2940

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
e98770c115089e6b095f1420bc381190

SHA1
7f159b893ba8758a53da539610b54c401027040d

SHA256
0c9bedb79ca229811b38af680b6180466c9d32091fc4a6931152f0744bb90eb9

SHA512
5b7bd17609f0cad3dfe91747a83ba13d90daf28e6397685096ed5836e99a0feeeb23fdc65101398accc675b4c8a38691cabadf87c53bf31a1f6d1bd12e0def5b

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