585bf16ce0916d38c29f19f929c3d91fce9da55bdb1fdff66adb8aeec91b903c

Analysis

max time kernel
142s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 22:06

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General

Target
b17cd431933786e816105d49368e052d.pdf
Size 76KB
Sample231219-1z69esecbl
SHA256 585bf16ce0916d38c29f19f929c3d91fce9da55bdb1fdff66adb8aeec91b903c
MD5 b17cd431933786e816105d49368e052d
SHA1 0bb78f97e451c727c000d0c6bc690c95e1dd3c26
SHA512 84df843c4e645887ab33d7bb40643a85e6931fd53c0876066d1dd26725a5a99fa43bad1fc1419ec0fd170cf3d080986ffd9475e295164d4e220c94c782118de8
SSDEEP 1536:IvOvAuDaLAzj4ZMdVaNsxalxs6FJsg1uWVabUYWVJSWQpOC7HObGe5QE:maELAj4CVcVlxs6FhVDVJ1CYJ
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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1960	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe
1960	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 4908	1960	AcroRd32.exe	92
PID 1960 wrote to memory of 4908	1960	AcroRd32.exe	92
PID 1960 wrote to memory of 4908	1960	AcroRd32.exe	92
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 1188	4908	RdrCEF.exe	93
PID 4908 wrote to memory of 792	4908	RdrCEF.exe	94
PID 4908 wrote to memory of 792	4908	RdrCEF.exe	94
PID 4908 wrote to memory of 792	4908	RdrCEF.exe	94
PID 4908 wrote to memory of 792	4908	RdrCEF.exe	94
PID 4908 wrote to memory of 792	4908	RdrCEF.exe	94
PID 4908 wrote to memory of 792	4908	RdrCEF.exe	94
PID 4908 wrote to memory of 792	4908	RdrCEF.exe	94
PID 4908 wrote to memory of 792	4908	RdrCEF.exe	94
PID 4908 wrote to memory of 792	4908	RdrCEF.exe	94
PID 4908 wrote to memory of 792	4908	RdrCEF.exe	94
PID 4908 wrote to memory of 792	4908	RdrCEF.exe	94
PID 4908 wrote to memory of 792	4908	RdrCEF.exe	94
PID 4908 wrote to memory of 792	4908	RdrCEF.exe	94
PID 4908 wrote to memory of 792	4908	RdrCEF.exe	94
PID 4908 wrote to memory of 792	4908	RdrCEF.exe	94
PID 4908 wrote to memory of 792	4908	RdrCEF.exe	94
PID 4908 wrote to memory of 792	4908	RdrCEF.exe	94
PID 4908 wrote to memory of 792	4908	RdrCEF.exe	94
PID 4908 wrote to memory of 792	4908	RdrCEF.exe	94
PID 4908 wrote to memory of 792	4908	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\b17cd431933786e816105d49368e052d.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:1960
- 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:4908
- - 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=02E5B0EBC70A5DE81BBBA4CD60758A4B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1188
- - 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=1BC5E0D852E1FBCC4007127B60F4E75B --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=1BC5E0D852E1FBCC4007127B60F4E75B --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:792
- - 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=E0FB819DF83FC508C8C71C9B53C2E072 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1364
- - 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=B47223D141BE7E580E7DAB44643D39CE --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=B47223D141BE7E580E7DAB44643D39CE --renderer-client-id=5 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:812
- - 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=312334E68703FD4C59F33EFD395B8EA7 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3768
- - 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=633D4B3DE8BDD55B7AEBAB9206D61CAC --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2544

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2860

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 ea1aa3927ec738cff48629cafb3a68094e1b05b832b51e0cb3e22805a39d929c
MD5 c1c651245f76537b5f3fe16a5085ffc5
SHA1 34b29f2784c57fddf72ffe7a4921736a815efd79
SHA512 ae46ebf1ae59d04c94b1e7391c82eba4708278aaea2895f085acbf528486152d8429e2af96bf88eb151043cba3ffb139711369dcc6f922d5ad8366fb7641c3ba
SSDEEP 384:yeYdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:j+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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