a3ae16e03aabddf5624a3653da35a0520635c7e72da67806c478bbc2fee6f5cf

Analysis

max time kernel
4s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2024, 21:12

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General

Target

41ecbc71d1061f0c2be05135641ead11.pdf
Size

100KB
MD5

41ecbc71d1061f0c2be05135641ead11
SHA1

b76f2409b60fb3c9c663ada178a476699d80e4bd
SHA256

a3ae16e03aabddf5624a3653da35a0520635c7e72da67806c478bbc2fee6f5cf
SHA512

7442f228607dfa03596439e7286691dbe9dac2cb4c1a23c88a9624af051420d678938010d54a2c1d7b6f442cd3ea63bc62550c1140ee2159fb0cab12a95052a9
SSDEEP

384:B3pjOZaPFZ0po04+20qqf5MdCoz0tv0Ri2SYD8w+0rC+CTR5n700k9p0oiXZqOTT:wH

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe
2892	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 4360	2892	AcroRd32.exe	92
PID 2892 wrote to memory of 4360	2892	AcroRd32.exe	92
PID 2892 wrote to memory of 4360	2892	AcroRd32.exe	92
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 1092	4360	RdrCEF.exe	94
PID 4360 wrote to memory of 2276	4360	RdrCEF.exe	93
PID 4360 wrote to memory of 2276	4360	RdrCEF.exe	93
PID 4360 wrote to memory of 2276	4360	RdrCEF.exe	93
PID 4360 wrote to memory of 2276	4360	RdrCEF.exe	93
PID 4360 wrote to memory of 2276	4360	RdrCEF.exe	93
PID 4360 wrote to memory of 2276	4360	RdrCEF.exe	93
PID 4360 wrote to memory of 2276	4360	RdrCEF.exe	93
PID 4360 wrote to memory of 2276	4360	RdrCEF.exe	93
PID 4360 wrote to memory of 2276	4360	RdrCEF.exe	93
PID 4360 wrote to memory of 2276	4360	RdrCEF.exe	93
PID 4360 wrote to memory of 2276	4360	RdrCEF.exe	93
PID 4360 wrote to memory of 2276	4360	RdrCEF.exe	93
PID 4360 wrote to memory of 2276	4360	RdrCEF.exe	93
PID 4360 wrote to memory of 2276	4360	RdrCEF.exe	93
PID 4360 wrote to memory of 2276	4360	RdrCEF.exe	93
PID 4360 wrote to memory of 2276	4360	RdrCEF.exe	93
PID 4360 wrote to memory of 2276	4360	RdrCEF.exe	93
PID 4360 wrote to memory of 2276	4360	RdrCEF.exe	93
PID 4360 wrote to memory of 2276	4360	RdrCEF.exe	93
PID 4360 wrote to memory of 2276	4360	RdrCEF.exe	93

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\41ecbc71d1061f0c2be05135641ead11.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2892
- 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:4360
- - 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=22BBFB7C2DDCAD3D96DEC381A67EE6DF --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=22BBFB7C2DDCAD3D96DEC381A67EE6DF --renderer-client-id=2 --mojo-platform-channel-handle=1696 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2276
- - 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=467D816CD0DAE031263D8180532E7318 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1092
- - 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=09D3848D9E912F16A43C53708F9CC4BD --mojo-platform-channel-handle=2128 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4448
- - 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=7E3CC9424FC86C35C6E0C4176DF4BE47 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2044
- - 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=8F22DFB53E7C87DB6C2FE7EF3B2A16C9 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4108
- - 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=36D244368F8FBEAF77BBEB8CB38245D5 --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=36D244368F8FBEAF77BBEB8CB38245D5 --renderer-client-id=8 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5116

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4264

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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