2a6dc133b0c23e9309075013e04065929126f38c9c1c3911b3040320fba3b9c3

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2024, 06:16

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General

Target

4d90e41953aa3cb66b1983cfc15bba35.pdf
Size

35KB
MD5

4d90e41953aa3cb66b1983cfc15bba35
SHA1

09aa615365a68462086f460a05a73eaa3b54c34d
SHA256

2a6dc133b0c23e9309075013e04065929126f38c9c1c3911b3040320fba3b9c3
SHA512

f9c2f678b00c70ffb3548ffa10ed56ca2fbf941651b8a2324d6b13b36d2c2e70d491999b8095e84c7f231bfc79b92d5b118342543d8123aab27195a0b551757e
SSDEEP

768:h/u3ZKIF82yVUyP6TodLmbBW1pN9vTGRW94UKkGwvGiMyRiiEFgM2O6J7kz+TF:h/u3ZKIy2yVUyP6TotmbBW1pNgVUKkPz

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
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3008	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe
3008	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 4668	3008	AcroRd32.exe	93
PID 3008 wrote to memory of 4668	3008	AcroRd32.exe	93
PID 3008 wrote to memory of 4668	3008	AcroRd32.exe	93
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 2304	4668	RdrCEF.exe	94
PID 4668 wrote to memory of 3812	4668	RdrCEF.exe	95
PID 4668 wrote to memory of 3812	4668	RdrCEF.exe	95
PID 4668 wrote to memory of 3812	4668	RdrCEF.exe	95
PID 4668 wrote to memory of 3812	4668	RdrCEF.exe	95
PID 4668 wrote to memory of 3812	4668	RdrCEF.exe	95
PID 4668 wrote to memory of 3812	4668	RdrCEF.exe	95
PID 4668 wrote to memory of 3812	4668	RdrCEF.exe	95
PID 4668 wrote to memory of 3812	4668	RdrCEF.exe	95
PID 4668 wrote to memory of 3812	4668	RdrCEF.exe	95
PID 4668 wrote to memory of 3812	4668	RdrCEF.exe	95
PID 4668 wrote to memory of 3812	4668	RdrCEF.exe	95
PID 4668 wrote to memory of 3812	4668	RdrCEF.exe	95
PID 4668 wrote to memory of 3812	4668	RdrCEF.exe	95
PID 4668 wrote to memory of 3812	4668	RdrCEF.exe	95
PID 4668 wrote to memory of 3812	4668	RdrCEF.exe	95
PID 4668 wrote to memory of 3812	4668	RdrCEF.exe	95
PID 4668 wrote to memory of 3812	4668	RdrCEF.exe	95
PID 4668 wrote to memory of 3812	4668	RdrCEF.exe	95
PID 4668 wrote to memory of 3812	4668	RdrCEF.exe	95
PID 4668 wrote to memory of 3812	4668	RdrCEF.exe	95

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\4d90e41953aa3cb66b1983cfc15bba35.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:3008
- 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:4668
- - 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=0BF203BCFD6488419527875236E94BA5 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2304
- - 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=CAA026160D7819DC2EB93DE007995FF4 --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=CAA026160D7819DC2EB93DE007995FF4 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3812
- - 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=7E84FFABB49B1B65206CB28B027C0B10 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2052
- - 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=8C710571C7B86E92A1771BCF3B1B5A77 --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=8C710571C7B86E92A1771BCF3B1B5A77 --renderer-client-id=5 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:264
- - 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=506113191B805214E132EA6504C5C6D9 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2116
- - 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=C2CAED6BF3FE48DA06908458CD8D1E08 --mojo-platform-channel-handle=2820 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2124

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2388

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
1b53f51c514cb03ed649c05ae438956c

SHA1
64daa3beae07c85d2f9146fc8741a11d002de758

SHA256
051480751cb57dd773cb2f90e1771544f625a4ad843cecbaac5586e5492293e3

SHA512
2a0b62ea070886a9db2f397187ac915909064c856b7bb8204bec8b16626a31f196c7de2496d1cad7bcea64a7bdcc7a7dbdadad6cd7854884faed8e2ec690ee32

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
memory/3008-26-0x000000000A420000-0x000000000A470000-memory.dmp

Filesize
320KB

Download