a3b943e38cb9c224d8db4bba24f2e789c5efe9c1c5aac4635e559bce1785a0cb

Analysis

max time kernel
143s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22/01/2024, 17:44

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General

Target

6fea9dfc689688f8ac6c2748998cf80c.pdf
Size

27KB
MD5

6fea9dfc689688f8ac6c2748998cf80c
SHA1

779e87d2f481bd540e926fa67238d073ec11ccfe
SHA256

a3b943e38cb9c224d8db4bba24f2e789c5efe9c1c5aac4635e559bce1785a0cb
SHA512

13fb5bea6417eb801c608bfd959a9dd4bb309fc8063d5929be8f1bc24611a00f8c69a7f4eb58debca055d078d2619cef166723086b99402ec2ee40a429270aa9
SSDEEP

384:LErVyi4I+o6nx106YCkhqLMj7TbPH5NNo9+xXg/IeM32oCUSVFSBBHK3pRGGvgic:LEhW7khAes+xXm1aESzgGGvfwxB

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4040	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe
4040	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 2148	4040	AcroRd32.exe	91
PID 4040 wrote to memory of 2148	4040	AcroRd32.exe	91
PID 4040 wrote to memory of 2148	4040	AcroRd32.exe	91
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 4016	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 3592	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 3592	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 3592	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 3592	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 3592	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 3592	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 3592	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 3592	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 3592	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 3592	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 3592	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 3592	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 3592	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 3592	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 3592	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 3592	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 3592	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 3592	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 3592	2148	RdrCEF.exe	94
PID 2148 wrote to memory of 3592	2148	RdrCEF.exe	94

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\6fea9dfc689688f8ac6c2748998cf80c.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:4040
- 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:2148
- - 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=BC25EDEC7F20D89EC1045FC7BA8B2FD9 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4016
- - 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=72E89CADE6004107135651F9919F6DAA --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=72E89CADE6004107135651F9919F6DAA --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3592
- - 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=4EFE98C9F50E64269147334BCED18D10 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4772
- - 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=D3766D280137970B710098B8D7038271 --mojo-platform-channel-handle=1920 --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=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=76F0413AE8CCE0F8DCA7CE227847137C --mojo-platform-channel-handle=1712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3032
- - 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=4DFA2225E9F84AB25CC549112BBD6813 --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=4DFA2225E9F84AB25CC549112BBD6813 --renderer-client-id=8 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4192

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3412

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
9f60634eb5ef0a999921a7d58f14214e

SHA1
feb3fe3945d74f5a01cde5744722907c2d793ba6

SHA256
80a3fd0633a51cd77dbc9bb70cc4bda9b1fefcb9db13824595c214477d269f82

SHA512
8bc6ce8a876e8178a02b5e6e3974232f1f076c4cfa3fdf80acb17af9563a6da374880899fe6f594e08f8df5f25385521700b90bfd6ca94ab0f0bb899b8783986

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/4040-27-0x000000000A4A0000-0x000000000A4C1000-memory.dmp

Filesize
132KB

Download