c7a3ba874da78b21ac226545c6d07837e614c67d2808b908f45f8cc4009481a5

Analysis

max time kernel
143s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 14:16

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General

Target

74e7ba4d76cb9042373bbc2aac98b88a.pdf
Size

80KB
MD5

74e7ba4d76cb9042373bbc2aac98b88a
SHA1

fade54b399cc4880a7c8f05b4d4bf7736db76564
SHA256

c7a3ba874da78b21ac226545c6d07837e614c67d2808b908f45f8cc4009481a5
SHA512

2a4565ee59f51b76d8bda3747e3b8aaa934603874df69b5e84b6742c3ffa3f1ee3da2493a4e12bd9e836ccc2609ec0d2d06918676a9f2b170aecea1f23b1bfe5
SSDEEP

1536:4QBkDUj6eAfg+5dX41EQii2fsAx1ndj8UaQMETlecfFpo5W4mH5Wo9liAWHpOvZ/:RmDUjxADDXYEbi2fsE8uUlkNiYvRSuB

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1112	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe
1112	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1112 wrote to memory of 740	1112	AcroRd32.exe	90
PID 1112 wrote to memory of 740	1112	AcroRd32.exe	90
PID 1112 wrote to memory of 740	1112	AcroRd32.exe	90
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 4260	740	RdrCEF.exe	93
PID 740 wrote to memory of 648	740	RdrCEF.exe	94
PID 740 wrote to memory of 648	740	RdrCEF.exe	94
PID 740 wrote to memory of 648	740	RdrCEF.exe	94
PID 740 wrote to memory of 648	740	RdrCEF.exe	94
PID 740 wrote to memory of 648	740	RdrCEF.exe	94
PID 740 wrote to memory of 648	740	RdrCEF.exe	94
PID 740 wrote to memory of 648	740	RdrCEF.exe	94
PID 740 wrote to memory of 648	740	RdrCEF.exe	94
PID 740 wrote to memory of 648	740	RdrCEF.exe	94
PID 740 wrote to memory of 648	740	RdrCEF.exe	94
PID 740 wrote to memory of 648	740	RdrCEF.exe	94
PID 740 wrote to memory of 648	740	RdrCEF.exe	94
PID 740 wrote to memory of 648	740	RdrCEF.exe	94
PID 740 wrote to memory of 648	740	RdrCEF.exe	94
PID 740 wrote to memory of 648	740	RdrCEF.exe	94
PID 740 wrote to memory of 648	740	RdrCEF.exe	94
PID 740 wrote to memory of 648	740	RdrCEF.exe	94
PID 740 wrote to memory of 648	740	RdrCEF.exe	94
PID 740 wrote to memory of 648	740	RdrCEF.exe	94
PID 740 wrote to memory of 648	740	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\74e7ba4d76cb9042373bbc2aac98b88a.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:1112
- 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:740
- - 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=6E1852C6BC18D7525963CAE33E533AF8 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4260
- - 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=6440AE531C3D655480020DD74BF54351 --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=6440AE531C3D655480020DD74BF54351 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:648
- - 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=9937740EDC08E1E7578CB3B5ED30FBD1 --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=9937740EDC08E1E7578CB3B5ED30FBD1 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1516
- - 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=326F8DC82DCDBB3E684B3633CD1E3B09 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4728
- - 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=8AB98856A155F9C1281393D6B8FB5CC0 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3704
- - 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=D15BECE6118A46B8FE3890F7E7DB45FA --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:492

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
979a8fea6f87f99cb85d3dd2e9d6ec6b

SHA1
db344f9ca428574a19405dc7f7203943e432d751

SHA256
5268dbabbdd6679e33cd5d7954409025a8a8f4707e34583cfadd4a8d6f901409

SHA512
dddd38ae192feb432857ed70a1242e6427f580b52d06b2c54f32c2436deff780810e8dc68f22c9f6b851cabbb379dde860d85917f224986cb166589e676e4e88

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