c910c9bab47ec26d2c9bd51913a851f3e7a33cb9eaccaf74aebdb8e73a79000c

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06-03-2024 20:12

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General

Target

CONVOCATION (1).pdf
Size

571KB
MD5

fb99a2357398ff05787ae135c0844041
SHA1

c55ace6758263640f04fd4d0c789511730e80925
SHA256

c910c9bab47ec26d2c9bd51913a851f3e7a33cb9eaccaf74aebdb8e73a79000c
SHA512

d2d082092211ed5febe5d49686ed5b724a4753eda0598e8eb4db3aab8232ea053cf60471f74b00569912562784cec695b3ba0f56fbbb75fdf57d8c26fafee4d9
SSDEEP

12288:4xxDzbqAVsaKsKCuQCLADnHmS6lk5t66sp9y+SQPcXmqrHg:QxDzrGaRB2k5g67UcXmj

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1044	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe
1044	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 2928	1044	AcroRd32.exe	92
PID 1044 wrote to memory of 2928	1044	AcroRd32.exe	92
PID 1044 wrote to memory of 2928	1044	AcroRd32.exe	92
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3868	2928	RdrCEF.exe	95
PID 2928 wrote to memory of 3616	2928	RdrCEF.exe	96
PID 2928 wrote to memory of 3616	2928	RdrCEF.exe	96
PID 2928 wrote to memory of 3616	2928	RdrCEF.exe	96
PID 2928 wrote to memory of 3616	2928	RdrCEF.exe	96
PID 2928 wrote to memory of 3616	2928	RdrCEF.exe	96
PID 2928 wrote to memory of 3616	2928	RdrCEF.exe	96
PID 2928 wrote to memory of 3616	2928	RdrCEF.exe	96
PID 2928 wrote to memory of 3616	2928	RdrCEF.exe	96
PID 2928 wrote to memory of 3616	2928	RdrCEF.exe	96
PID 2928 wrote to memory of 3616	2928	RdrCEF.exe	96
PID 2928 wrote to memory of 3616	2928	RdrCEF.exe	96
PID 2928 wrote to memory of 3616	2928	RdrCEF.exe	96
PID 2928 wrote to memory of 3616	2928	RdrCEF.exe	96
PID 2928 wrote to memory of 3616	2928	RdrCEF.exe	96
PID 2928 wrote to memory of 3616	2928	RdrCEF.exe	96
PID 2928 wrote to memory of 3616	2928	RdrCEF.exe	96
PID 2928 wrote to memory of 3616	2928	RdrCEF.exe	96
PID 2928 wrote to memory of 3616	2928	RdrCEF.exe	96
PID 2928 wrote to memory of 3616	2928	RdrCEF.exe	96
PID 2928 wrote to memory of 3616	2928	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\CONVOCATION (1).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:1044
- 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:2928
- - 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=E360C79358C95981E72A82BD19822B8A --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3868
- - 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=966317A8D44880F21B4230859C500929 --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=966317A8D44880F21B4230859C500929 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3616
- - 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=046C50AE6F9A54F92F9DBAC91D149A04 --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=046C50AE6F9A54F92F9DBAC91D149A04 --renderer-client-id=4 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2524
- - 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=2F92E18EB8B750BA0CDFB89B9DB05A1A --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3412
- - 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=1C96F1DE4A496709F9545935DEB9A8E2 --mojo-platform-channel-handle=2200 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:748
- - 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=00535DA1723111DB5E10D9FCECC697C8 --mojo-platform-channel-handle=2008 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:672

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4072

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
73b6b6b0c21d0b71827c6187275faf94

SHA1
b3c9986d87b0a94d06533958b59b66e7053b61f5

SHA256
fc86213696e4c1d2402a91bc2d67caf3bd1ed3ead811448331a872f2def4a9d7

SHA512
8e5e4e6d625a3db4b8598067dc8ba818db03e6757e2a29d4267d6e50aba8df51e40f2829a568330883f3ffcced6a18b3551bfde8295a130fe41d3839091cd349

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/1044-26-0x000000000A550000-0x000000000A571000-memory.dmp

Filesize
132KB

Download
memory/1044-131-0x000000000B7C0000-0x000000000BA6B000-memory.dmp

Filesize
2.7MB

Download