8f6655c35aaafaf9fe32cc138ec69997a2d94e56bf36b72180e8a644a23acc1e

Analysis

max time kernel
24s
max time network
25s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
16-06-2023 01:09

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General

Target

T&I Brochure.pdf
Size

2.8MB
MD5

81522c3671901b3165398a6862fc1876
SHA1

b2ea7f75cf92adaebfd56eb72d0d57449df49f92
SHA256

8f6655c35aaafaf9fe32cc138ec69997a2d94e56bf36b72180e8a644a23acc1e
SHA512

054f90f8be8e134c09e65349f14731c32c16eb035d51c29288c39d8b75e5de73644866ca08e8d349b86a4074f2f214257f88891e5c1bfd33c1edc100430bffd6
SSDEEP

49152:k29653XytIh5mXMLud3JBHCFqp0TDk9834Q0kZZW1bPwJRN/5T:k2g5qwmkudZFCFqp0E983l0kG1bPYP/5

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-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4924	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe
4924	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4924 wrote to memory of 1536	4924	AcroRd32.exe	83
PID 4924 wrote to memory of 1536	4924	AcroRd32.exe	83
PID 4924 wrote to memory of 1536	4924	AcroRd32.exe	83
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 3536	1536	RdrCEF.exe	84
PID 1536 wrote to memory of 224	1536	RdrCEF.exe	85
PID 1536 wrote to memory of 224	1536	RdrCEF.exe	85
PID 1536 wrote to memory of 224	1536	RdrCEF.exe	85
PID 1536 wrote to memory of 224	1536	RdrCEF.exe	85
PID 1536 wrote to memory of 224	1536	RdrCEF.exe	85
PID 1536 wrote to memory of 224	1536	RdrCEF.exe	85
PID 1536 wrote to memory of 224	1536	RdrCEF.exe	85
PID 1536 wrote to memory of 224	1536	RdrCEF.exe	85
PID 1536 wrote to memory of 224	1536	RdrCEF.exe	85
PID 1536 wrote to memory of 224	1536	RdrCEF.exe	85
PID 1536 wrote to memory of 224	1536	RdrCEF.exe	85
PID 1536 wrote to memory of 224	1536	RdrCEF.exe	85
PID 1536 wrote to memory of 224	1536	RdrCEF.exe	85
PID 1536 wrote to memory of 224	1536	RdrCEF.exe	85
PID 1536 wrote to memory of 224	1536	RdrCEF.exe	85
PID 1536 wrote to memory of 224	1536	RdrCEF.exe	85
PID 1536 wrote to memory of 224	1536	RdrCEF.exe	85
PID 1536 wrote to memory of 224	1536	RdrCEF.exe	85
PID 1536 wrote to memory of 224	1536	RdrCEF.exe	85
PID 1536 wrote to memory of 224	1536	RdrCEF.exe	85

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\T&I Brochure.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:4924
- 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:1536
- - 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=2E367DC2E6988F103A399CA53E7C92F6 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3536
- - 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=0F88A81FC8DC37C23A25148EDE7EB351 --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=2 --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=0F88A81FC8DC37C23A25148EDE7EB351 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:224
- - 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=E99A9ED31985AABF0054A44B9BAEB2D6 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4172
- - 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=F37449A0F8C03A12161BB2ABA7F0EDE9 --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=2 --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=F37449A0F8C03A12161BB2ABA7F0EDE9 --renderer-client-id=5 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3840
- - 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=13E8CFF50B666216CD962D5B8C2D48F9 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4592
- - 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=C49C8A68CAC1A85E66F4A4BDDE8B22DB --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3768

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2468

Network

MITRE ATT&CK Enterprise v6

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
85b9e2cce928e719addc879f015cc5d2

SHA1
0ee091991a207014ddac2a8926c0ed4645b356ff

SHA256
60be407b8e90702fab53d27e92d7f24ecbb7623903f491b0a922635925e5323a

SHA512
a19a67cd287793fd5d438ca4c0feb6c1ae8732787800626b9af6ff504d8fabd63061ac7e7158fa251da0ca7524ca27540f1285bd88195417ebf91879c8bf5a02

Download Submit
memory/4924-158-0x00000000099D0000-0x00000000099F1000-memory.dmp

Filesize
132KB

Download