c7dc6f27ab2ececa6de2bd98624758e498c59f3a7c86d8a4145cba2fe84b3c5e

Analysis

max time kernel
142s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 06:20

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General

Target
c2a9e469e66909b1fca796c579765921.pdf
Size 75KB
Sample240312-g376cacc98
SHA256 c7dc6f27ab2ececa6de2bd98624758e498c59f3a7c86d8a4145cba2fe84b3c5e
MD5 c2a9e469e66909b1fca796c579765921
SHA1 0cb0d40d8b69e814c33d75b59f7e38c67ab02837
SHA512 083d26bc59906e4b75bb3aedc57072ec6645a05f8bdf7f4b032300ef84f721daaea62fc1ebc022f56592cc87b958a7004de82ef8c712b239fea44c2b73a139da
SSDEEP 1536:GdVm+q6RyFKF506/wSXDWGpOKFEVDBkWtZAhE18zm:1+q6R5zz/wSUKWxB5ae9
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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4856	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe
4856	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 3572	4856	AcroRd32.exe	96
PID 4856 wrote to memory of 3572	4856	AcroRd32.exe	96
PID 4856 wrote to memory of 3572	4856	AcroRd32.exe	96
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 2564	3572	RdrCEF.exe	97
PID 3572 wrote to memory of 4164	3572	RdrCEF.exe	98
PID 3572 wrote to memory of 4164	3572	RdrCEF.exe	98
PID 3572 wrote to memory of 4164	3572	RdrCEF.exe	98
PID 3572 wrote to memory of 4164	3572	RdrCEF.exe	98
PID 3572 wrote to memory of 4164	3572	RdrCEF.exe	98
PID 3572 wrote to memory of 4164	3572	RdrCEF.exe	98
PID 3572 wrote to memory of 4164	3572	RdrCEF.exe	98
PID 3572 wrote to memory of 4164	3572	RdrCEF.exe	98
PID 3572 wrote to memory of 4164	3572	RdrCEF.exe	98
PID 3572 wrote to memory of 4164	3572	RdrCEF.exe	98
PID 3572 wrote to memory of 4164	3572	RdrCEF.exe	98
PID 3572 wrote to memory of 4164	3572	RdrCEF.exe	98
PID 3572 wrote to memory of 4164	3572	RdrCEF.exe	98
PID 3572 wrote to memory of 4164	3572	RdrCEF.exe	98
PID 3572 wrote to memory of 4164	3572	RdrCEF.exe	98
PID 3572 wrote to memory of 4164	3572	RdrCEF.exe	98
PID 3572 wrote to memory of 4164	3572	RdrCEF.exe	98
PID 3572 wrote to memory of 4164	3572	RdrCEF.exe	98
PID 3572 wrote to memory of 4164	3572	RdrCEF.exe	98
PID 3572 wrote to memory of 4164	3572	RdrCEF.exe	98

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\c2a9e469e66909b1fca796c579765921.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:4856
- 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:3572
- - 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=1AA5F5C76637A0A12C6E2DFBF58C5D59 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2564
- - 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=F8340F06C3B03959530D65109AAD778B --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=F8340F06C3B03959530D65109AAD778B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4164
- - 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=3A3F85616CD3E12738EF3963FA6C4AC2 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5060
- - 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=2F9DE9B1990B13FB3577A6FD4B970475 --mojo-platform-channel-handle=1900 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4756
- - 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=0404791FB3824531FD6CCEF183E3502F --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=0404791FB3824531FD6CCEF183E3502F --renderer-client-id=6 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4368
- - 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=D0AFFD8A82301AF99C3B3A822822C714 --mojo-platform-channel-handle=2844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4564

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 22f8bea733648d3298464e1e2e93f50cf0fc1236aae08afc9012a1d42d7084bc
MD5 cb475b9628ad0dda6bba97a71bf17576
SHA1 d982dc840f7295ce73175e344385c412d72427c2
SHA512 77c09bf606b3f5ef96f0d62f76fc89f561f45e6197ab67d4a2493138e69b815c02261612a7cde78bd849f43de07c9f9e5e4b0335123a0ce7e8e7a742cabb9020
SSDEEP 384:ye5dThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:g+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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