7477e10177c6c6b51e5450339b6041595bba5f5304bc0e2790b16d2eb190f6cb

Analysis

max time kernel
149s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 13:56

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General

Target

b2353bb33fd2746822c983b09cf33a0e.pdf
Size

45KB
MD5

b2353bb33fd2746822c983b09cf33a0e
SHA1

6826d4b066f4c18595d3c0351a6024674eba40ef
SHA256

7477e10177c6c6b51e5450339b6041595bba5f5304bc0e2790b16d2eb190f6cb
SHA512

8f5350c8bd1c8ff7f7727bfa9b20f0aa5176f85cb3a86d711e46d69535d5f20a0fe0b06098c8a5fce2c4f7119545e7dcaab1339e1c54d84c0e23fc0207d86f5f
SSDEEP

768:lMSFaJqBHQGqEyAsNWmqHeu04oBl1u76F3MqvGs2DIJk:Bw7AUEHeuI/1hJMqvGT0Jk

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3252	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe
3252	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3252 wrote to memory of 4536	3252	AcroRd32.exe	91
PID 3252 wrote to memory of 4536	3252	AcroRd32.exe	91
PID 3252 wrote to memory of 4536	3252	AcroRd32.exe	91
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 3824	4536	RdrCEF.exe	92
PID 4536 wrote to memory of 4796	4536	RdrCEF.exe	93
PID 4536 wrote to memory of 4796	4536	RdrCEF.exe	93
PID 4536 wrote to memory of 4796	4536	RdrCEF.exe	93
PID 4536 wrote to memory of 4796	4536	RdrCEF.exe	93
PID 4536 wrote to memory of 4796	4536	RdrCEF.exe	93
PID 4536 wrote to memory of 4796	4536	RdrCEF.exe	93
PID 4536 wrote to memory of 4796	4536	RdrCEF.exe	93
PID 4536 wrote to memory of 4796	4536	RdrCEF.exe	93
PID 4536 wrote to memory of 4796	4536	RdrCEF.exe	93
PID 4536 wrote to memory of 4796	4536	RdrCEF.exe	93
PID 4536 wrote to memory of 4796	4536	RdrCEF.exe	93
PID 4536 wrote to memory of 4796	4536	RdrCEF.exe	93
PID 4536 wrote to memory of 4796	4536	RdrCEF.exe	93
PID 4536 wrote to memory of 4796	4536	RdrCEF.exe	93
PID 4536 wrote to memory of 4796	4536	RdrCEF.exe	93
PID 4536 wrote to memory of 4796	4536	RdrCEF.exe	93
PID 4536 wrote to memory of 4796	4536	RdrCEF.exe	93
PID 4536 wrote to memory of 4796	4536	RdrCEF.exe	93
PID 4536 wrote to memory of 4796	4536	RdrCEF.exe	93
PID 4536 wrote to memory of 4796	4536	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\b2353bb33fd2746822c983b09cf33a0e.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:3252
- 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: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=8AECF06D69BB87D264E9AB1B8400EFB2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3824
- - 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=B2B46F505FDBCB418C6A824ACAFD7CBA --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=B2B46F505FDBCB418C6A824ACAFD7CBA --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4796
- - 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=EFF0BB2E300B792254FC781EA15AB677 --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=EFF0BB2E300B792254FC781EA15AB677 --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3604
- - 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=8F0788F9B056F7AEB4645A88673F408C --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3032
- - 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=0DB876226A0143302E3AE2D610CB085D --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1000
- - 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=BF7839DC859B681E3F301A790F82FE89 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:436

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
9b5e8087527a2dea3af4753dfd1e2508

SHA1
fa60b929b560cdadf064e069a0ce91af052d2f15

SHA256
d162d9d263289144bce0244f61216e9b6213f8e0764c1c0f83bb0d8c6ee9b8dd

SHA512
4ae0f835bc6312f99edcccc4d7157efde2f6b1a3eb1db31f1da57e9dc2f0e60438bdec4587e7ccacbde5638ad95e6eda970fc81a6ab17bf43850a317553ffc22

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