448184e79419000d480f86b441256fcc1ac767cafbdf898f5f1835b939293173

Analysis

max time kernel
144s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 11:31

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General

Target
773e47dc36d28e7dee13135928857816.pdf
Size 87KB
Sample240126-nms5taced6
SHA256 448184e79419000d480f86b441256fcc1ac767cafbdf898f5f1835b939293173
MD5 773e47dc36d28e7dee13135928857816
SHA1 b61d11e79b99a6818ee5b639eb550f45cac6bb9d
SHA512 b75caab0585c8f66ca05585da5fe208907bfdcd247ee895b46f8d28b1ba78eabb84fd5c2c15622907b7569cbdc683e9bd029f0f2f179e6fefb23f469afc1eedf
SSDEEP 1536:zrSWgujlN+nBpdlMB1eQUBkLPIXxU16V3WFSeWHWWWyd9RXtciWW8pO7Fpa:nSJOlNwS1ejdxU+WMe5cd9RXWi172
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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4408	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4408 wrote to memory of 412	4408	AcroRd32.exe	89
PID 4408 wrote to memory of 412	4408	AcroRd32.exe	89
PID 4408 wrote to memory of 412	4408	AcroRd32.exe	89
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 540	412	RdrCEF.exe	92
PID 412 wrote to memory of 4900	412	RdrCEF.exe	93
PID 412 wrote to memory of 4900	412	RdrCEF.exe	93
PID 412 wrote to memory of 4900	412	RdrCEF.exe	93
PID 412 wrote to memory of 4900	412	RdrCEF.exe	93
PID 412 wrote to memory of 4900	412	RdrCEF.exe	93
PID 412 wrote to memory of 4900	412	RdrCEF.exe	93
PID 412 wrote to memory of 4900	412	RdrCEF.exe	93
PID 412 wrote to memory of 4900	412	RdrCEF.exe	93
PID 412 wrote to memory of 4900	412	RdrCEF.exe	93
PID 412 wrote to memory of 4900	412	RdrCEF.exe	93
PID 412 wrote to memory of 4900	412	RdrCEF.exe	93
PID 412 wrote to memory of 4900	412	RdrCEF.exe	93
PID 412 wrote to memory of 4900	412	RdrCEF.exe	93
PID 412 wrote to memory of 4900	412	RdrCEF.exe	93
PID 412 wrote to memory of 4900	412	RdrCEF.exe	93
PID 412 wrote to memory of 4900	412	RdrCEF.exe	93
PID 412 wrote to memory of 4900	412	RdrCEF.exe	93
PID 412 wrote to memory of 4900	412	RdrCEF.exe	93
PID 412 wrote to memory of 4900	412	RdrCEF.exe	93
PID 412 wrote to memory of 4900	412	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\773e47dc36d28e7dee13135928857816.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:4408
- 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:412
- - 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=D79F9CD691420C96B83C73668296D1A8 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:540
- - 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=838E24236C311F4C6B6CAD995A639CAF --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=838E24236C311F4C6B6CAD995A639CAF --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4900
- - 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=D832E16B7DD45682414D2F653CA0B19B --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1344
- - 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=0496633AC867B09B89B28362F3BA966B --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=0496633AC867B09B89B28362F3BA966B --renderer-client-id=5 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:744
- - 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=87066192227B4263EDAFB250D01EDC5A --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1636
- - 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=3333D1703DA9146864199BA7D0E3E934 --mojo-platform-channel-handle=2832 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4052

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3108

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 1e76e4a7d579e47e1154dd047e0e799b938898c122ff585a4bfb6c5f87c7bf26
MD5 3dfe7907a7ae28a15c47a5cf74470b76
SHA1 e6dd1d9d1e92538ddd3573daa2220aa58fcc349e
SHA512 48b99e493d2931d853864808ecf164489411f04382f3c4f2a1ebcf4ec57ea083dabb9126be02fc44eb45f7bd249f9273d0f38e02cda2e00d81b2515c366159b4
SSDEEP 384:yebjdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:a+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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memory/4408-25-0x000000000BA30000-0x000000000BA80000-memory.dmp

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