3cdf6c16b7204a9c0e67f9dcb7ee07b2381d68ac205f0a117b35b2aadf8126f6

Analysis

max time kernel
145s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 10:23

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General

Target

15cf6189bf15efa9332d7648e5371215.pdf
Size

77KB
MD5

15cf6189bf15efa9332d7648e5371215
SHA1

5f529a05bf00554597754047cce3e76df036f84f
SHA256

3cdf6c16b7204a9c0e67f9dcb7ee07b2381d68ac205f0a117b35b2aadf8126f6
SHA512

9eb62fbb24a18043b70175b5eb7ec8bf7a6e0e007a407ddd0c62b39073f748ee04e0f91831034b0ffd5af21a08feb60e0fb629deb594f1be355272099c88f201
SSDEEP

1536:GK+tcsCmbK/bJGWP8kAXZbXbd9Jsh4Xn0ZJjlHp5zayLUWipOPX4ABL4WJwab/l:McsCHFKZFE+XnqpvRPo+LSa5

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1848	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe
1848	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 4080	1848	AcroRd32.exe	93
PID 1848 wrote to memory of 4080	1848	AcroRd32.exe	93
PID 1848 wrote to memory of 4080	1848	AcroRd32.exe	93
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 1008	4080	RdrCEF.exe	97
PID 4080 wrote to memory of 2096	4080	RdrCEF.exe	96
PID 4080 wrote to memory of 2096	4080	RdrCEF.exe	96
PID 4080 wrote to memory of 2096	4080	RdrCEF.exe	96
PID 4080 wrote to memory of 2096	4080	RdrCEF.exe	96
PID 4080 wrote to memory of 2096	4080	RdrCEF.exe	96
PID 4080 wrote to memory of 2096	4080	RdrCEF.exe	96
PID 4080 wrote to memory of 2096	4080	RdrCEF.exe	96
PID 4080 wrote to memory of 2096	4080	RdrCEF.exe	96
PID 4080 wrote to memory of 2096	4080	RdrCEF.exe	96
PID 4080 wrote to memory of 2096	4080	RdrCEF.exe	96
PID 4080 wrote to memory of 2096	4080	RdrCEF.exe	96
PID 4080 wrote to memory of 2096	4080	RdrCEF.exe	96
PID 4080 wrote to memory of 2096	4080	RdrCEF.exe	96
PID 4080 wrote to memory of 2096	4080	RdrCEF.exe	96
PID 4080 wrote to memory of 2096	4080	RdrCEF.exe	96
PID 4080 wrote to memory of 2096	4080	RdrCEF.exe	96
PID 4080 wrote to memory of 2096	4080	RdrCEF.exe	96
PID 4080 wrote to memory of 2096	4080	RdrCEF.exe	96
PID 4080 wrote to memory of 2096	4080	RdrCEF.exe	96
PID 4080 wrote to memory of 2096	4080	RdrCEF.exe	96

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\15cf6189bf15efa9332d7648e5371215.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:1848
- 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:4080
- - 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=A9F1EC83D59044765D44D8C20768E3A3 --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=A9F1EC83D59044765D44D8C20768E3A3 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2096
- - 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=A9045B4736F3E54B183B2FCCEBDA7786 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1008
- - 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=A3FFB8867F446155969A1161C0ACC190 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2164
- - 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=E478461E5A654C20C584201202F5989B --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=E478461E5A654C20C584201202F5989B --renderer-client-id=5 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3692
- - 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=CBD896E7E43C905FA99F5656E27A2D1F --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2168
- - 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=DE4010448B28B1A255813EA40EE111C4 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2736

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4404

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
6e839a31fbb1294742db395850b71d68

SHA1
84f3fda36e2c7dd08846ac8e5aa82eaa598cbc60

SHA256
ac84a7f3f9a498f37aabc0baef93baab9ab45f908cb68d05b4b6f163c93e3f07

SHA512
9c792e93e18ac615e5fe1bfe34819303fd331f30b97b22977debc0ad63cd30c3ffc01836997e859ca960410443e7f66f9ddb9fc1506cd5f1113b295481c30222

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit