8ce600da0a344ad12df7eaee8770dd4eab8f464f17fc0ab6b362f5d4006a077e

Analysis

max time kernel
156s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 20:15

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General

Target
acc0a79646e13d12799fdda6b0c8fd1b.pdf
Size 86KB
Sample240228-y1xp9sch63
SHA256 8ce600da0a344ad12df7eaee8770dd4eab8f464f17fc0ab6b362f5d4006a077e
MD5 acc0a79646e13d12799fdda6b0c8fd1b
SHA1 3be0779ac861774b5dc4afe92383e0c35c533a4d
SHA512 1543d21dff1e74fa62b90ff670e72a992d744d42dee54ea4ad1452edba2d44df998a0ebfc2979a8d63fdd63e4d8b3fd90034ba28ed71f04f9f81e94139e538a2
SSDEEP 1536:CZJuy4yIaw5egn7EPEXTjEEGTHl8nhCfTdJqhIJ42RvZWGpOKCWkYEmCgRrRNx6D:gJuXaw5TU3EGTHl8negi22MKFEmCgyQC
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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2108	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 3540	2108	AcroRd32.exe	92
PID 2108 wrote to memory of 3540	2108	AcroRd32.exe	92
PID 2108 wrote to memory of 3540	2108	AcroRd32.exe	92
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4472	3540	RdrCEF.exe	93
PID 3540 wrote to memory of 4996	3540	RdrCEF.exe	94
PID 3540 wrote to memory of 4996	3540	RdrCEF.exe	94
PID 3540 wrote to memory of 4996	3540	RdrCEF.exe	94
PID 3540 wrote to memory of 4996	3540	RdrCEF.exe	94
PID 3540 wrote to memory of 4996	3540	RdrCEF.exe	94
PID 3540 wrote to memory of 4996	3540	RdrCEF.exe	94
PID 3540 wrote to memory of 4996	3540	RdrCEF.exe	94
PID 3540 wrote to memory of 4996	3540	RdrCEF.exe	94
PID 3540 wrote to memory of 4996	3540	RdrCEF.exe	94
PID 3540 wrote to memory of 4996	3540	RdrCEF.exe	94
PID 3540 wrote to memory of 4996	3540	RdrCEF.exe	94
PID 3540 wrote to memory of 4996	3540	RdrCEF.exe	94
PID 3540 wrote to memory of 4996	3540	RdrCEF.exe	94
PID 3540 wrote to memory of 4996	3540	RdrCEF.exe	94
PID 3540 wrote to memory of 4996	3540	RdrCEF.exe	94
PID 3540 wrote to memory of 4996	3540	RdrCEF.exe	94
PID 3540 wrote to memory of 4996	3540	RdrCEF.exe	94
PID 3540 wrote to memory of 4996	3540	RdrCEF.exe	94
PID 3540 wrote to memory of 4996	3540	RdrCEF.exe	94
PID 3540 wrote to memory of 4996	3540	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\acc0a79646e13d12799fdda6b0c8fd1b.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:2108
- 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:3540
- - 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=2916A811AA478113AD29AFA13C3793CD --mojo-platform-channel-handle=1624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=773FD7B8C6E7ED57752F1CE7954969F1 --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=773FD7B8C6E7ED57752F1CE7954969F1 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4996
- - 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=AF07A0B180B7598522FF68DF955604C1 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1976
- - 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=7052DC2BCA6654F10713C63E16A2E79B --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=7052DC2BCA6654F10713C63E16A2E79B --renderer-client-id=5 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3804
- - 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=66534EA85CEC357D5D87DCC34A799C3B --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3324
- - 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=F7F53DE241B805D4C92C8BA4CA70E4D9 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1308

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3940

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 69b33232ce094c4ad58fce52492281c7c14a9a42b1abeacc5fc10eb636ecd605
MD5 11c9035e4989e3f93a4e4d6f3698ffe0
SHA1 f237500648dbe4806fa41d2a751b8310c84a27e5
SHA512 ce8b306c6a5eb6df15fadbb4f9de8298b60edbdf83dfba98607d893269853be13de486f31f77520ab8b3480e2fd077c4b36963889c4e9b15931e21460341f8cc
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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