d1497cb47cdcfe9f203caf889df1dd70cd811f270ac53a85806650e392434a12

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
12/01/2024, 15:30

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General

Target
56d4b3ebc0bb77ed731d0ed5989a34d5.pdf
Size 4KB
Sample240112-sxh5tabcb5
SHA256 d1497cb47cdcfe9f203caf889df1dd70cd811f270ac53a85806650e392434a12
MD5 56d4b3ebc0bb77ed731d0ed5989a34d5
SHA1 f3ec9de2d3f8e3c26926b3c5218711eb7b851c18
SHA512 361d58ed9193d636ab19efd17a44bf1a68457b24a71f67d2d03712f1a12f8c3d81d19f214a28808b344d8135e5aec65b3a62ab8e68aec3ee2ccdbadf09eb8e43
SSDEEP 96:z0G1oBwyGL59qDSX0ZCe8pNRhhiJpGWxxeVqxSn+znSlY:z0G2myGL3xckpDLfWxcCPnSlY
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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2408	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe
2408	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 3628	2408	AcroRd32.exe	91
PID 2408 wrote to memory of 3628	2408	AcroRd32.exe	91
PID 2408 wrote to memory of 3628	2408	AcroRd32.exe	91
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3024	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 3728	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3728	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3728	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3728	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3728	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3728	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3728	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3728	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3728	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3728	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3728	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3728	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3728	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3728	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3728	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3728	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3728	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3728	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3728	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3728	3628	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\56d4b3ebc0bb77ed731d0ed5989a34d5.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:2408
- 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:3628
- - 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=AF859978B065EF799075A76CA895290B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3024
- - 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=1D49C255894DFDDFF54F3ABA2594009D --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=1D49C255894DFDDFF54F3ABA2594009D --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3728
- - 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=B44760EC75239AC579231E2D68154F92 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:816
- - 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=8E9610833B00A9B78905804D5BDB1CF4 --mojo-platform-channel-handle=1888 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4392
- - 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=9FA471E8E611ACFEF457FC82B4AA7770 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4976
- - 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=009E9AAB165906BE2C73CDA14170B79B --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=009E9AAB165906BE2C73CDA14170B79B --renderer-client-id=7 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4288

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2768

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 269fa2e126865437a6f90d1e5990955a1d15c6c669af5130b9d98fe9e74504b2
MD5 53f3f126dfff538c5753eed338144e41
SHA1 1c96cbfb575bc7707f4fef56ab184c44329bd8f6
SHA512 f316e66cb7f885b178103c7b3536d6a24bf0267311b1bc2bca5766d158b0e1764ef3977a1eb632926141c453e4a1c6b2d74a7126dcfe8e42ec51438815efcaec
SSDEEP 384:yetdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:E+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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