2bfdc6375a5169a10d218f18616908ac8c0bb248bfeeb7d14a9b9ab513c0a116

Analysis

max time kernel
163s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 22:44

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General

Target

b9da088191ecf361882a5104a0d7ca99.pdf
Size

88KB
MD5

b9da088191ecf361882a5104a0d7ca99
SHA1

30d3e5627b31ecef18d4d1fd1078d859e7a251ec
SHA256

2bfdc6375a5169a10d218f18616908ac8c0bb248bfeeb7d14a9b9ab513c0a116
SHA512

0aef88e6b571ede062da2b3b7a29637633231908b0c5b5904d3106c6eaee7b3a76704792617bd62e0a46f82c13dc0f64030772cd913a6722c6e3286f9a531713
SSDEEP

1536:Vdb1f0wTwh9vdzy1SBIWUpR8xhgrWiLEthsYU8iQeu5KxwKkN5nftPWHpOvTWV0X:bx0LjFHIW6RwaKiLE0YU9vu5KxWNRvSi

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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3500	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe
3500	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3500 wrote to memory of 4388	3500	AcroRd32.exe	91
PID 3500 wrote to memory of 4388	3500	AcroRd32.exe	91
PID 3500 wrote to memory of 4388	3500	AcroRd32.exe	91
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 3496	4388	RdrCEF.exe	92
PID 4388 wrote to memory of 1180	4388	RdrCEF.exe	93
PID 4388 wrote to memory of 1180	4388	RdrCEF.exe	93
PID 4388 wrote to memory of 1180	4388	RdrCEF.exe	93
PID 4388 wrote to memory of 1180	4388	RdrCEF.exe	93
PID 4388 wrote to memory of 1180	4388	RdrCEF.exe	93
PID 4388 wrote to memory of 1180	4388	RdrCEF.exe	93
PID 4388 wrote to memory of 1180	4388	RdrCEF.exe	93
PID 4388 wrote to memory of 1180	4388	RdrCEF.exe	93
PID 4388 wrote to memory of 1180	4388	RdrCEF.exe	93
PID 4388 wrote to memory of 1180	4388	RdrCEF.exe	93
PID 4388 wrote to memory of 1180	4388	RdrCEF.exe	93
PID 4388 wrote to memory of 1180	4388	RdrCEF.exe	93
PID 4388 wrote to memory of 1180	4388	RdrCEF.exe	93
PID 4388 wrote to memory of 1180	4388	RdrCEF.exe	93
PID 4388 wrote to memory of 1180	4388	RdrCEF.exe	93
PID 4388 wrote to memory of 1180	4388	RdrCEF.exe	93
PID 4388 wrote to memory of 1180	4388	RdrCEF.exe	93
PID 4388 wrote to memory of 1180	4388	RdrCEF.exe	93
PID 4388 wrote to memory of 1180	4388	RdrCEF.exe	93
PID 4388 wrote to memory of 1180	4388	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\b9da088191ecf361882a5104a0d7ca99.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:3500
- 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:4388
- - 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=D58343F44A3C335CAB15DE284CC04917 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3496
- - 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=ADA9FBF1378918F70033F01BB2219EC1 --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=ADA9FBF1378918F70033F01BB2219EC1 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1180
- - 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=370CDC3CDD5D9C635EAF23288BFE7CEC --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=370CDC3CDD5D9C635EAF23288BFE7CEC --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2184
- - 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=17F0849A1AA6A7E5129456686E125897 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4188
- - 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=8E32D325CB5C9258775FE0C253ED78C6 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4180
- - 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=F327A47405BCDE4783D80C5759148A38 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3940

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4144

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
017728620110a9d4b13b7f2477484a60

SHA1
d15893b151e14d6f2c25f77a2039feca541cc461

SHA256
d7df3d202612cde95b0ebf7ccb119326141ae7acf88c62deb11da45d80d0aea0

SHA512
6764e67ddc01757b1c6553334eab5a30a7d5192af5ef365d3390ea7ada7edb12e86c06aadee88c46eed5b71efb7f1d32f621bd145afb7b3d93527e1cdbe3371e

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/3500-28-0x000000000C2A0000-0x000000000C2C1000-memory.dmp

Filesize
132KB

Download