2fb6fec4c2ebb30647979151b581d237bc3e8fca3bd50327af72bd307f015d43

Analysis

max time kernel
143s
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 11:35

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General

Target

155bfe9696e9c78bf879958906343b92.pdf
Size

72KB
MD5

155bfe9696e9c78bf879958906343b92
SHA1

198191f3dc7cffc9b97e25e39b7ff8ff12608bbf
SHA256

2fb6fec4c2ebb30647979151b581d237bc3e8fca3bd50327af72bd307f015d43
SHA512

d0a3826d8beef659de937b9057cf8f488a153bbc485ec7b376f7384135ab2cd0ab9d2203f2a6e701ffb1f4232afbddcae1cbe51d423a347035fbe6b323074a7b
SSDEEP

1536:Rr+ImmieyGvBZLoXl+yMlYFldYT2TWkNpOPaWk/RoYIkPxu0B:culZO+sFldYiEPW/R/3

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2612	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe
2612	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 2188	2612	AcroRd32.exe	91
PID 2612 wrote to memory of 2188	2612	AcroRd32.exe	91
PID 2612 wrote to memory of 2188	2612	AcroRd32.exe	91
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4504	2188	RdrCEF.exe	92
PID 2188 wrote to memory of 4404	2188	RdrCEF.exe	93
PID 2188 wrote to memory of 4404	2188	RdrCEF.exe	93
PID 2188 wrote to memory of 4404	2188	RdrCEF.exe	93
PID 2188 wrote to memory of 4404	2188	RdrCEF.exe	93
PID 2188 wrote to memory of 4404	2188	RdrCEF.exe	93
PID 2188 wrote to memory of 4404	2188	RdrCEF.exe	93
PID 2188 wrote to memory of 4404	2188	RdrCEF.exe	93
PID 2188 wrote to memory of 4404	2188	RdrCEF.exe	93
PID 2188 wrote to memory of 4404	2188	RdrCEF.exe	93
PID 2188 wrote to memory of 4404	2188	RdrCEF.exe	93
PID 2188 wrote to memory of 4404	2188	RdrCEF.exe	93
PID 2188 wrote to memory of 4404	2188	RdrCEF.exe	93
PID 2188 wrote to memory of 4404	2188	RdrCEF.exe	93
PID 2188 wrote to memory of 4404	2188	RdrCEF.exe	93
PID 2188 wrote to memory of 4404	2188	RdrCEF.exe	93
PID 2188 wrote to memory of 4404	2188	RdrCEF.exe	93
PID 2188 wrote to memory of 4404	2188	RdrCEF.exe	93
PID 2188 wrote to memory of 4404	2188	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\155bfe9696e9c78bf879958906343b92.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:2612
- 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:2188
- - 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=9F16DAA9A8E299F46B6C0968311E9656 --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=9F16DAA9A8E299F46B6C0968311E9656 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4504
- - 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=7B6F08FBCD55611E5475B800FFAA266B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4404
- - 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=8D81025AEFD8771B1D84891A82C7270A --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3428
- - 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=9B3DDA66D6D3E0CC2136FB487842C03E --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=9B3DDA66D6D3E0CC2136FB487842C03E --renderer-client-id=5 --mojo-platform-channel-handle=2100 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4004
- - 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=D04C69086B51B9FF1322F5BC07B81060 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=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=B5EC99800A6909C728DF77A0DCBC3609 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5028

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2116

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
6005b48b52ca369a7f5d3a6623d7eb39

SHA1
7a53f5227d20e612400f3b91931a45fdd253cd82

SHA256
8fb01050efb13309645c478b70b46cb16e1d9c4d12c42d019aecdad658fd0bc3

SHA512
54e2d0ea99d7ea085c956764acd7efa2b4374454ee6b8b039900b7fe1e6fa8846fa8f1aaa27675e966896a0be70e33d022a80919834dd7b55f52a78a68f14544

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