ce9ac8cb247551a51f30ea8fd26d9eb6a14e656508dc71fbe9a43a8cffc5ae77

Analysis

max time kernel
143s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 03:43

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General

Target
4a58dce20c2a5983f373728a75f09191.pdf
Size 66KB
Sample240108-d91hasaecq
SHA256 ce9ac8cb247551a51f30ea8fd26d9eb6a14e656508dc71fbe9a43a8cffc5ae77
MD5 4a58dce20c2a5983f373728a75f09191
SHA1 ed62eae7a3a25b696ed0069094d7efffcf5047c1
SHA512 d8e923ee44f0dfe7e6e695cc91e2bd515b04a3256d1ac2d9a5beb0771627981fbfce310c40c0c88863d9d0a7a2fb990d371f4b9ea3909b1e53c92c67478c9a52
SSDEEP 1536:KaXgArLfj0D+iLeqe9xwXCKElKnWtm8l9nOecxRqIur:NwA/70Ciyc0lKnWtpWLncr
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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2572	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 4576	2572	AcroRd32.exe	90
PID 2572 wrote to memory of 4576	2572	AcroRd32.exe	90
PID 2572 wrote to memory of 4576	2572	AcroRd32.exe	90
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 1908	4576	RdrCEF.exe	91
PID 4576 wrote to memory of 3172	4576	RdrCEF.exe	92
PID 4576 wrote to memory of 3172	4576	RdrCEF.exe	92
PID 4576 wrote to memory of 3172	4576	RdrCEF.exe	92
PID 4576 wrote to memory of 3172	4576	RdrCEF.exe	92
PID 4576 wrote to memory of 3172	4576	RdrCEF.exe	92
PID 4576 wrote to memory of 3172	4576	RdrCEF.exe	92
PID 4576 wrote to memory of 3172	4576	RdrCEF.exe	92
PID 4576 wrote to memory of 3172	4576	RdrCEF.exe	92
PID 4576 wrote to memory of 3172	4576	RdrCEF.exe	92
PID 4576 wrote to memory of 3172	4576	RdrCEF.exe	92
PID 4576 wrote to memory of 3172	4576	RdrCEF.exe	92
PID 4576 wrote to memory of 3172	4576	RdrCEF.exe	92
PID 4576 wrote to memory of 3172	4576	RdrCEF.exe	92
PID 4576 wrote to memory of 3172	4576	RdrCEF.exe	92
PID 4576 wrote to memory of 3172	4576	RdrCEF.exe	92
PID 4576 wrote to memory of 3172	4576	RdrCEF.exe	92
PID 4576 wrote to memory of 3172	4576	RdrCEF.exe	92
PID 4576 wrote to memory of 3172	4576	RdrCEF.exe	92
PID 4576 wrote to memory of 3172	4576	RdrCEF.exe	92
PID 4576 wrote to memory of 3172	4576	RdrCEF.exe	92

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\4a58dce20c2a5983f373728a75f09191.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:2572
- 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:4576
- - 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=971587DCFB6B3FB99404B3ECEFA7A5FE --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1908
- - 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=DC41804B2FDE9456501BA3430BD74855 --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=DC41804B2FDE9456501BA3430BD74855 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3172
- - 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=D8B5D21B64C8F923DF2E6C7C065C066B --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2592
- - 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=D0A9A86A5A4E68C2CCE34B02B5DC34B6 --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=D0A9A86A5A4E68C2CCE34B02B5DC34B6 --renderer-client-id=5 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:996
- - 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=386D4CC7995626E3D0BD0A4C30BA7E70 --mojo-platform-channel-handle=2752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:716
- - 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=D7F5BE105ECF0EEC1E01A7384BAF6168 --mojo-platform-channel-handle=2272 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1428

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1352

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 8a0b31b088c5b25d2f7f551b329a18d07cf186a5649b9a5e5faeb3472647b810
MD5 9a5c2dfb1e7ddce5a051fc9df4d67b14
SHA1 2753035cad2cdaba7f1f723e0b7351c0276a1ee9
SHA512 35379254d25bf81edf92cd10bcb3c51391ac787593e37947fa8f08f20b1cd0b0ec6c3345113376bc45b5e21718232c6be4377a81c202cfa7a9bf4baf8f898f8d
SSDEEP 384:yekdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:n+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/2572-27-0x000000000A2F0000-0x000000000A311000-memory.dmp

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