d331a0b4cdfdb13f68c107eceddcf57f52aee2bd849f9d0136781eb34da9d461

Analysis

max time kernel
142s
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
27/01/2024, 21:53

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General

Target

7b603f3f2754b7e26db6221c956051aa.pdf
Size

73KB
MD5

7b603f3f2754b7e26db6221c956051aa
SHA1

e9d5449a8eaefa76632ccbd06223364ba79f078c
SHA256

d331a0b4cdfdb13f68c107eceddcf57f52aee2bd849f9d0136781eb34da9d461
SHA512

51be53976b7e3cd09427fc0b57571d17b6f867b197fd72391a3c1b457f87a1803942c0489ed0d1ecb473a19078b54f5af91f5880c56cff34c305f38fa60c4b2d
SSDEEP

1536:JeUVQWklSIXAQB/imTu4x/hu4tia7LWnbK+dSnWYdmDo5p4yta8zWNr7N/:xklvXA6/Ptf/Wnbn0nWxDoP4ydcV

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4728	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe
4728	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4728 wrote to memory of 4584	4728	AcroRd32.exe	92
PID 4728 wrote to memory of 4584	4728	AcroRd32.exe	92
PID 4728 wrote to memory of 4584	4728	AcroRd32.exe	92
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 836	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1712	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 1712	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 1712	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 1712	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 1712	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 1712	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 1712	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 1712	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 1712	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 1712	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 1712	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 1712	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 1712	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 1712	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 1712	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 1712	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 1712	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 1712	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 1712	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 1712	4584	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\7b603f3f2754b7e26db6221c956051aa.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:4728
- 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:4584
- - 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=9466F94A1E31B5795A8BF280ECCBC035 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:836
- - 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=71C590F822097554E28DC4EB3BE0E9B0 --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=71C590F822097554E28DC4EB3BE0E9B0 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1712
- - 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=D80A37E9CCEBE3819B5AEA02FE4E3780 --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=D80A37E9CCEBE3819B5AEA02FE4E3780 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:612
- - 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=17EE19C0BCFC50F644253658D0BB4808 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1956
- - 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=CFE269FF5E7C3BF525CEBA14F18025AB --mojo-platform-channel-handle=1852 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4240
- - 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=B15E431135D96D315B71DEC0A077F6FF --mojo-platform-channel-handle=2636 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2040

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2372

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
8a72dffd0620076b91dedf167555c72e

SHA1
b26f5639671b020bb782451383c8c6b15f69d8c2

SHA256
7d3ce87849fb97bf88c407adfc93e60b37b83ed22aa89b090fc2101806dbada6

SHA512
1e6fc91d228031177f38579cd712d4986e8399fd09b6dddeddd36775ae4823cec8bf13efe0c68a7436acb2298cfc711cd7f6261bec1b7d7b43f69840f0c8b5e8

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/4728-26-0x000000000AD40000-0x000000000AD61000-memory.dmp

Filesize
132KB

Download