3997359962e76cd8e0e626fb325a3b5dbc5ae3369fcafde1f734e3e0b6d471bf

Analysis

max time kernel
151s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 23:15

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General

Target
1fabd94467d49edafd52e9be2cd255b0.pdf
Size 33KB
Sample231230-28m3ksdaf2
SHA256 3997359962e76cd8e0e626fb325a3b5dbc5ae3369fcafde1f734e3e0b6d471bf
MD5 1fabd94467d49edafd52e9be2cd255b0
SHA1 d44e72993a4df27d3452c9689b7d55e4c04b5661
SHA512 0141516dd6ae1b7a5fec60d2cd4e64153937c4f4cb4a68bdca64c27b8484b205145a03924aac4f1821da603252996b3b938d21a6fce2073c0cac225ad774d650
SSDEEP 768:fiPRKpHcJKScfZbF8wxYuOpxDJD5oklDkS7zND:fuKpHcJGfLkvpXl9zND
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4472	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4472 wrote to memory of 2212	4472	AcroRd32.exe	95
PID 4472 wrote to memory of 2212	4472	AcroRd32.exe	95
PID 4472 wrote to memory of 2212	4472	AcroRd32.exe	95
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 5108	2212	RdrCEF.exe	96
PID 2212 wrote to memory of 4332	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 4332	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 4332	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 4332	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 4332	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 4332	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 4332	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 4332	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 4332	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 4332	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 4332	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 4332	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 4332	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 4332	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 4332	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 4332	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 4332	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 4332	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 4332	2212	RdrCEF.exe	97
PID 2212 wrote to memory of 4332	2212	RdrCEF.exe	97

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\1fabd94467d49edafd52e9be2cd255b0.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:4472
- 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:2212
- - 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=37A479670F2D8D8C422FD3998BD87F08 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5108
- - 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=BD7E191FABF38F8F6F83DA12348772D2 --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=BD7E191FABF38F8F6F83DA12348772D2 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4332
- - 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=7491D824C739E7882F3F6D19A5E37B25 --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=7491D824C739E7882F3F6D19A5E37B25 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    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=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=62A018538DC5FA0056F567F37358D483 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4972
- - 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=780040FFD69D91C45399017F15015A93 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:220
- - 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=D0D49F0C9B07481D5B6257094C56CC96 --mojo-platform-channel-handle=2484 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2024

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2564

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 5b5134fd1af325666a324d60b7eebbc975a6e427613d1f47bd19aecbbf517e6a
MD5 3c8484939ccb387e901f08e6917a98ec
SHA1 7f35fb3065d583e9f37bcdcf21b4f6c376d36c24
SHA512 ef634f7f64e61309a77b34f9c2eb3b15f726abb3f0f5a21fa8680b5016040b905f2586e866bdbec7c47b7147f9e13e1140de0ee5a8aa6ce7afe2e728e598326e
SSDEEP 384:ye0dThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:3+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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