04ea32efcd8554cc3bbdec8ce7b6805cda9fe68f391e2240daaed377b5e08e99

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28-12-2023 20:44

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General

Target

f6e1d94e66759f40ecbf0b7f5aab3f89.pdf
Size

89KB
MD5

f6e1d94e66759f40ecbf0b7f5aab3f89
SHA1

90d03e3b32253fe6680ee7484c9ddf4d644ad16c
SHA256

04ea32efcd8554cc3bbdec8ce7b6805cda9fe68f391e2240daaed377b5e08e99
SHA512

c6966ddba4f718b64f74dba7e9c74d4233710bc8769d7758e61ca351de3a358a4338973909aa42e9d8d9661e8807f35091d351e7a048463b63023075ee48d253
SSDEEP

1536:bvC7tZ9GoKIW2kVl482NUyqsNA5UUfv3eiHWWypOlWWxw8bvqe18hOWY8iUM8oC5:utZqIW2kVp6Uyqsy5//e0lDwMvq+8hf3

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2484	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe
2484	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2484 wrote to memory of 4588	2484	AcroRd32.exe	91
PID 2484 wrote to memory of 4588	2484	AcroRd32.exe	91
PID 2484 wrote to memory of 4588	2484	AcroRd32.exe	91
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 3968	4588	RdrCEF.exe	93
PID 4588 wrote to memory of 1652	4588	RdrCEF.exe	92
PID 4588 wrote to memory of 1652	4588	RdrCEF.exe	92
PID 4588 wrote to memory of 1652	4588	RdrCEF.exe	92
PID 4588 wrote to memory of 1652	4588	RdrCEF.exe	92
PID 4588 wrote to memory of 1652	4588	RdrCEF.exe	92
PID 4588 wrote to memory of 1652	4588	RdrCEF.exe	92
PID 4588 wrote to memory of 1652	4588	RdrCEF.exe	92
PID 4588 wrote to memory of 1652	4588	RdrCEF.exe	92
PID 4588 wrote to memory of 1652	4588	RdrCEF.exe	92
PID 4588 wrote to memory of 1652	4588	RdrCEF.exe	92
PID 4588 wrote to memory of 1652	4588	RdrCEF.exe	92
PID 4588 wrote to memory of 1652	4588	RdrCEF.exe	92
PID 4588 wrote to memory of 1652	4588	RdrCEF.exe	92
PID 4588 wrote to memory of 1652	4588	RdrCEF.exe	92
PID 4588 wrote to memory of 1652	4588	RdrCEF.exe	92
PID 4588 wrote to memory of 1652	4588	RdrCEF.exe	92
PID 4588 wrote to memory of 1652	4588	RdrCEF.exe	92
PID 4588 wrote to memory of 1652	4588	RdrCEF.exe	92
PID 4588 wrote to memory of 1652	4588	RdrCEF.exe	92
PID 4588 wrote to memory of 1652	4588	RdrCEF.exe	92

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\f6e1d94e66759f40ecbf0b7f5aab3f89.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:2484
- 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:4588
- - 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=6D878088FAF5D52190592608A9B67F4D --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=6D878088FAF5D52190592608A9B67F4D --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1652
- - 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=2DA2CA9303C431E7C80EF29250FF164A --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3968
- - 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=8BD7B5119B3DCCA54CD5C492A2587179 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4800
- - 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=5CD4CC11ECF3FD0A562FE7DB147830E2 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4888
- - 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=157C0776027218C4275BD41B5D53F129 --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=157C0776027218C4275BD41B5D53F129 --renderer-client-id=6 --mojo-platform-channel-handle=2304 --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=8BE5C47D26B6DF291D214CB7B174E490 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3276

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1940

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
be5ac336d38eb241630c9d2594f29469

SHA1
e405f171884721c34c28945ec9d957c60ec6f8bb

SHA256
47f695ac9c922f36f4c27b6eed99b12e7ddff4c0255c2a69113b00bd515f485b

SHA512
c02ff4a9ef659c723b434886f17307d3acf6c24c07b5f07ddb49fbe48e634f10f835d944062a066aa47b40b1c9501abfcc7d8f26ec9c6d5e1a0ba18558d5592d

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/2484-26-0x000000000AAA0000-0x000000000AAF0000-memory.dmp

Filesize
320KB

Download