c5a3136560cda4a34775f48338a737419c55b49080bda5a176d491f6e5c3e7ee

Analysis

max time kernel
141s
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
14/01/2024, 02:46

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General

Target

5a124e13848fb92b6f08852c985caba7.pdf
Size

92KB
MD5

5a124e13848fb92b6f08852c985caba7
SHA1

0d982ffa9faa2dcae44036916656026396077ee7
SHA256

c5a3136560cda4a34775f48338a737419c55b49080bda5a176d491f6e5c3e7ee
SHA512

7324392b1ff83c18efc32d0a1bfc485c9c42ad907a58e005c66a219d6eb53981a7e17473843ad91f305f1c603c5943ff5424ca13ff2e788eac4bc63563a9f76c
SSDEEP

1536:jQH7QLCejwkqcCdJSyB6011aKxZ9h1hD2c4rBRurV9Kad4L9WHpOvRDveCF/JdDD:0HcLCejFqc+SyB6071xZ9rhD2c4rBRGi

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3952	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe
3952	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3952 wrote to memory of 4028	3952	AcroRd32.exe	92
PID 3952 wrote to memory of 4028	3952	AcroRd32.exe	92
PID 3952 wrote to memory of 4028	3952	AcroRd32.exe	92
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 3160	4028	RdrCEF.exe	93
PID 4028 wrote to memory of 4500	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4500	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4500	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4500	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4500	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4500	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4500	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4500	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4500	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4500	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4500	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4500	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4500	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4500	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4500	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4500	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4500	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4500	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4500	4028	RdrCEF.exe	94
PID 4028 wrote to memory of 4500	4028	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\5a124e13848fb92b6f08852c985caba7.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:3952
- 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:4028
- - 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=A1D90A4059B54DF3CABAA35A98EF5E60 --mojo-platform-channel-handle=1708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3160
- - 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=1587D0E495E090CC963D348C44CF99FC --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=1587D0E495E090CC963D348C44CF99FC --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4500
- - 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=49A844A22F636B4DFE720C66F4AD7FCF --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3836
- - 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=DBA384C0600F5E01F61150E1D00E85FF --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5108
- - 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=078CE96FFB46B8A97E49FF6DF8AFE663 --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=078CE96FFB46B8A97E49FF6DF8AFE663 --renderer-client-id=6 --mojo-platform-channel-handle=2144 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4536
- - 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=7427560CE667AE5414BB69C6E4747BC1 --mojo-platform-channel-handle=2744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5044

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2896

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
79d6e5682a13b916e5816482289a39cf

SHA1
ba6b46e8cd8d3412df7cc110f5ff3d37765c07b1

SHA256
6004e0f1491cb358fa469c11086d17abcae4abb0996944908aabeeeb9f8675b2

SHA512
3e351df161d667fc2633ba8af91587c2476ceaa274690df75c88d4629f6b9ffa5e19345c73e9b4aa6afef982d6dd60b29ed850035e0cf193093b1e0215d58fdd

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