d025e9b36041eccac81f55c45f67dc8177a6d4a2b21f5456489b82f2c4cbce6e

Analysis

max time kernel
151s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 12:18

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General

Target

1eca688c8292d82bd6d3487d5b838636.pdf
Size

82KB
MD5

1eca688c8292d82bd6d3487d5b838636
SHA1

9ddbab1cf9b03be24064149be1005bc515fe66a8
SHA256

d025e9b36041eccac81f55c45f67dc8177a6d4a2b21f5456489b82f2c4cbce6e
SHA512

e39f7f41f8c2a9c2e81a49e93071e00a298b038bcc8b705d6d30908b42613d60e9848ab76044bef6e166335eeef6202f45d88cd8103bc2a457456fafadb208b0
SSDEEP

1536:akHtsbHawzTksJsVWM3D05KnYOlfXMWDf+dEgmWb/kh/pknO97a8lWspORsoz:BuxzDswuJnlDGfBkhxf9O8sRD

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4912	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe
4912	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 3220	4912	AcroRd32.exe	92
PID 4912 wrote to memory of 3220	4912	AcroRd32.exe	92
PID 4912 wrote to memory of 3220	4912	AcroRd32.exe	92
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 4760	3220	RdrCEF.exe	93
PID 3220 wrote to memory of 64	3220	RdrCEF.exe	94
PID 3220 wrote to memory of 64	3220	RdrCEF.exe	94
PID 3220 wrote to memory of 64	3220	RdrCEF.exe	94
PID 3220 wrote to memory of 64	3220	RdrCEF.exe	94
PID 3220 wrote to memory of 64	3220	RdrCEF.exe	94
PID 3220 wrote to memory of 64	3220	RdrCEF.exe	94
PID 3220 wrote to memory of 64	3220	RdrCEF.exe	94
PID 3220 wrote to memory of 64	3220	RdrCEF.exe	94
PID 3220 wrote to memory of 64	3220	RdrCEF.exe	94
PID 3220 wrote to memory of 64	3220	RdrCEF.exe	94
PID 3220 wrote to memory of 64	3220	RdrCEF.exe	94
PID 3220 wrote to memory of 64	3220	RdrCEF.exe	94
PID 3220 wrote to memory of 64	3220	RdrCEF.exe	94
PID 3220 wrote to memory of 64	3220	RdrCEF.exe	94
PID 3220 wrote to memory of 64	3220	RdrCEF.exe	94
PID 3220 wrote to memory of 64	3220	RdrCEF.exe	94
PID 3220 wrote to memory of 64	3220	RdrCEF.exe	94
PID 3220 wrote to memory of 64	3220	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\1eca688c8292d82bd6d3487d5b838636.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:4912
- 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:3220
- - 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=097D11BA3F9F67F93303A6D3F4A4B181 --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=097D11BA3F9F67F93303A6D3F4A4B181 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4760
- - 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=9A7F4A47C285E20812486828445D3877 --mojo-platform-channel-handle=1748 --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=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=28B2547B8522ECB03A0AF3D9D062480A --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1228
- - 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=356DFA4E4279AA26430120816A2EED49 --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=356DFA4E4279AA26430120816A2EED49 --renderer-client-id=5 --mojo-platform-channel-handle=2100 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3916
- - 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=71EF4C85882D5D93813B35B0916241D6 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4056
- - 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=A56DE4AF739B6389E4BC8BB531616DBA --mojo-platform-channel-handle=2716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4188

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
c7a06e8d29515450d5ade19c9ca8be00

SHA1
07f4d3d226f4404a1bc4b72edfe8ebf8362d510c

SHA256
85d15147424694b3a9193d7759748269e9a1d003b80272a48d2c5a668fd91594

SHA512
3b0d35f2ddb8c0303c7ca63ef269080d0615c147d8a7bfcea43869d2a2ecf3a1e18c6762c06b8680e3dd0dfb0a07f4e5ddae5f85a9ff3c531d0919dbbe5b0cc1

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/4912-28-0x000000000A690000-0x000000000A6B1000-memory.dmp

Filesize
132KB

Download