c8e4a93a8965e23a9b09fb9ea9d1f7820280fa0a5f435d6aa01a2b32824e14b0

Analysis

max time kernel
148s
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
25/12/2023, 10:58

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General

Target
18f65eccbded8a0e85c89399594a0e92.pdf
Size 77KB
Sample231225-m2tt8abab9
SHA256 c8e4a93a8965e23a9b09fb9ea9d1f7820280fa0a5f435d6aa01a2b32824e14b0
MD5 18f65eccbded8a0e85c89399594a0e92
SHA1 20c228b4b36f16e46b26df4c2e39c6e9eb885fc5
SHA512 cf63004f4b504bef0a23f1cab91e2102a71096d69d8b28c7f42bd61e25d02198020a224909e93372c32e3bcc5f72a4eda0c746913634cf75983845698a76f4ec
SSDEEP 1536:gR6U/SSewyJI8jGXlfsSTKcRj9KaBWq6ceQBWOpOwr/+7FUln:kF/7epC8jGX9syKvahD+wr/+s
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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
216	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 216 wrote to memory of 3036	216	AcroRd32.exe	91
PID 216 wrote to memory of 3036	216	AcroRd32.exe	91
PID 216 wrote to memory of 3036	216	AcroRd32.exe	91
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 1028	3036	RdrCEF.exe	92
PID 3036 wrote to memory of 2868	3036	RdrCEF.exe	93
PID 3036 wrote to memory of 2868	3036	RdrCEF.exe	93
PID 3036 wrote to memory of 2868	3036	RdrCEF.exe	93
PID 3036 wrote to memory of 2868	3036	RdrCEF.exe	93
PID 3036 wrote to memory of 2868	3036	RdrCEF.exe	93
PID 3036 wrote to memory of 2868	3036	RdrCEF.exe	93
PID 3036 wrote to memory of 2868	3036	RdrCEF.exe	93
PID 3036 wrote to memory of 2868	3036	RdrCEF.exe	93
PID 3036 wrote to memory of 2868	3036	RdrCEF.exe	93
PID 3036 wrote to memory of 2868	3036	RdrCEF.exe	93
PID 3036 wrote to memory of 2868	3036	RdrCEF.exe	93
PID 3036 wrote to memory of 2868	3036	RdrCEF.exe	93
PID 3036 wrote to memory of 2868	3036	RdrCEF.exe	93
PID 3036 wrote to memory of 2868	3036	RdrCEF.exe	93
PID 3036 wrote to memory of 2868	3036	RdrCEF.exe	93
PID 3036 wrote to memory of 2868	3036	RdrCEF.exe	93
PID 3036 wrote to memory of 2868	3036	RdrCEF.exe	93
PID 3036 wrote to memory of 2868	3036	RdrCEF.exe	93
PID 3036 wrote to memory of 2868	3036	RdrCEF.exe	93
PID 3036 wrote to memory of 2868	3036	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\18f65eccbded8a0e85c89399594a0e92.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:216
- 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:3036
- - 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=319007A2D5508C25F039965D59B497EC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1028
- - 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=3D6B6EB8E80141126D6F1C706FCDDB9A --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=3D6B6EB8E80141126D6F1C706FCDDB9A --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2868
- - 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=1FCD04FB048CC8F8DA1F7F95419EF466 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:672
- - 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=6D1DDCBF3D580B8F32FFD66BAADF1A94 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:408
- - 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=323E4CC853142DD2C22CB6403378981D --mojo-platform-channel-handle=2236 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:536
- - 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=9B5178288807D28D6E845025EB964CC8 --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=9B5178288807D28D6E845025EB964CC8 --renderer-client-id=7 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3880

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3548

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 c96a22d7caf9633caef9d58ca07501da3d9b9833e8914e53100f9c2d7344dc4a
MD5 75195062bdae5f4bb43b1318e3aa2ddd
SHA1 5fb9aa18bc412a645f2f2cfee9af28efdb82bf81
SHA512 879030aee48796698fadfcf9a55103dc43db774b89bc0a4560151a45db199e4e4be3d4edaadc8deb90f0c61b2e81a031633d05ee958681ecdf5ebee8cbed6593
SSDEEP 384:yebdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:W+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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