439ebcc77a305737177cac1f961fb33f1ab62cb1e0d8e12cb399d8b88b14f65a

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
22/10/2023, 18:01

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General

Target

NEAS.365a54735e7c68899de2db2b646daf00.pdf
Size

52KB
MD5

365a54735e7c68899de2db2b646daf00
SHA1

8155b80a1149adbf1dabad0739662cbd6d6278a1
SHA256

439ebcc77a305737177cac1f961fb33f1ab62cb1e0d8e12cb399d8b88b14f65a
SHA512

16922b17e4006db2196a3c7205597a60a8b50a47855e7308d81e64ad5a0cc49d478d86bd40cf2cb6d378ee036c22fd4224e3e0891f3290efc5bbfbcd212326b3
SSDEEP

768:VnRPXS0hP7asaMZuft9y6rl3wJkImAidd4XSjjFYLpRr8Fy6Z1PztG/ULPCr52Rs:jCNouFaJ902SFYLpg5bPCr5mZopSA

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1511405631-3522522280-778892991-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3784	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe
3784	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3784 wrote to memory of 4248	3784	AcroRd32.exe	90
PID 3784 wrote to memory of 4248	3784	AcroRd32.exe	90
PID 3784 wrote to memory of 4248	3784	AcroRd32.exe	90
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4816	4248	RdrCEF.exe	91
PID 4248 wrote to memory of 4424	4248	RdrCEF.exe	92
PID 4248 wrote to memory of 4424	4248	RdrCEF.exe	92
PID 4248 wrote to memory of 4424	4248	RdrCEF.exe	92
PID 4248 wrote to memory of 4424	4248	RdrCEF.exe	92
PID 4248 wrote to memory of 4424	4248	RdrCEF.exe	92
PID 4248 wrote to memory of 4424	4248	RdrCEF.exe	92
PID 4248 wrote to memory of 4424	4248	RdrCEF.exe	92
PID 4248 wrote to memory of 4424	4248	RdrCEF.exe	92
PID 4248 wrote to memory of 4424	4248	RdrCEF.exe	92
PID 4248 wrote to memory of 4424	4248	RdrCEF.exe	92
PID 4248 wrote to memory of 4424	4248	RdrCEF.exe	92
PID 4248 wrote to memory of 4424	4248	RdrCEF.exe	92
PID 4248 wrote to memory of 4424	4248	RdrCEF.exe	92
PID 4248 wrote to memory of 4424	4248	RdrCEF.exe	92
PID 4248 wrote to memory of 4424	4248	RdrCEF.exe	92
PID 4248 wrote to memory of 4424	4248	RdrCEF.exe	92
PID 4248 wrote to memory of 4424	4248	RdrCEF.exe	92
PID 4248 wrote to memory of 4424	4248	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\NEAS.365a54735e7c68899de2db2b646daf00.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:3784
- 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:4248
- - 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=C6ADD9242A4DE97D9F2DE1AE230370A9 --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=C6ADD9242A4DE97D9F2DE1AE230370A9 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4816
- - 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=BA4674E66D4A2889E909244A46967A29 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4424
- - 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=EC645C051126FE03FCF1B1A8F6702FB9 --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=EC645C051126FE03FCF1B1A8F6702FB9 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:416
- - 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=D357AFF6E202E2A1E7FE7B7C3CF75957 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5084
- - 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=F920170B2B1495BA3B6FD99AC53638E1 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4672
- - 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=A574627B5F4F9BD83018CB4E044F8E93 --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2820

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4432

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
ef2dd0b395d48dff57599dc15731b87c

SHA1
60f5d6132a28965b5414319672009ee1a29959be

SHA256
4346c01f9f4e1f4b7fd9a031758ebf66f1be3a4cd2b7305cafa2e19b4dec51fe

SHA512
6a336f6b1468bed23e593ab3162d0fbe4249437eac21f55a21abb324a7f39cef225730ddb4ac4c1663e7995790916870b03754155e3941796f4db64c32a3166a

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