99d7a323bc124ee5f414a1197539f4a65a95d80eca6dc0baba674fd5b97f8b5c

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 23:57

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General

Target

07c27599b7b71aa27762a107e458aa21.pdf
Size

87KB
MD5

07c27599b7b71aa27762a107e458aa21
SHA1

0c5c2fdf44e6f4b0fed95fe725f58eed6c13f7da
SHA256

99d7a323bc124ee5f414a1197539f4a65a95d80eca6dc0baba674fd5b97f8b5c
SHA512

0896833568711679eea15feb58beba829a2ffb28a3196431ed56e5ce4a1f6667cd329744bd962ec913b030b1f443ba02ac894bf8dee7debdc6f8f8dd590f65db
SSDEEP

1536:FX07DvAKfgBZ91JV0CW4ekK0k0BYNr8LO90rBMvGbyzKHW8WuiSpEAcxyWQpOCps:mYKfa/1b0+el0Bs4LM0PHWRDxVCq

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
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2644	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 4328	2644	AcroRd32.exe	92
PID 2644 wrote to memory of 4328	2644	AcroRd32.exe	92
PID 2644 wrote to memory of 4328	2644	AcroRd32.exe	92
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 1160	4328	RdrCEF.exe	93
PID 4328 wrote to memory of 5116	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 5116	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 5116	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 5116	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 5116	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 5116	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 5116	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 5116	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 5116	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 5116	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 5116	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 5116	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 5116	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 5116	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 5116	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 5116	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 5116	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 5116	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 5116	4328	RdrCEF.exe	94
PID 4328 wrote to memory of 5116	4328	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\07c27599b7b71aa27762a107e458aa21.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:2644
- 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:4328
- - 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=E17A4B89D77B18C22AF9DA6EDDCAC594 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1160
- - 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=77207F7087866E2D65B63861A352BD7B --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=77207F7087866E2D65B63861A352BD7B --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5116
- - 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=F99964DF6F287C1BCD132FE2267875EE --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4120
- - 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=EC6FCAF54376F3CF242D4C175CEC9841 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4184
- - 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=90FE2E38B461AA117B40EA3554AC0ECD --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=90FE2E38B461AA117B40EA3554AC0ECD --renderer-client-id=6 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1832
- - 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=00D8C4139F7BA971D7752E68CF529BDF --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3008

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4024

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

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
03b1fe7a430334cd1c1432411098c960

SHA1
560145843efcff65be2d362c225bacca29e4e272

SHA256
42238e0be4ed9c7fd9a49be035160711e4021eacbb88b332d0b9093be78903d4

SHA512
e6420157e3b8cc7a934a4af305cb7232a286b34940c2e3579576a7de8c67cb988666897c7530feefd6c2e3dcd66c33e76e16d4ae47e7758ae7d5964726f80b22

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit