a69c72fe3172503ab9f61d5122d67fdc9dd86436c92a14eedae7eb59af676de3

Analysis

max time kernel
141s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 23:04

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General

Target

17ed6f61585be62ed2df87b5ae4e474b.pdf
Size

91KB
MD5

17ed6f61585be62ed2df87b5ae4e474b
SHA1

bf7b96df0cc5d85747106f91d7b01151174ac584
SHA256

a69c72fe3172503ab9f61d5122d67fdc9dd86436c92a14eedae7eb59af676de3
SHA512

b4bb6c55d5d9a90f6e2c0d76281052c693104a656a227c52ef3230bbd72eef78bfee9790412daa5eedb8b17aa77092996718daf1a643e9e1b62b48366b691f46
SSDEEP

1536:9SDGkQCv6WI47zzyWtS/Z8hOxrajuaHWf2KsHrWOpOwrPIPukBOAEM:ATQgvIKDeZ84ayaJKkIwrWXBOM

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2404	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe
2404	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 3456	2404	AcroRd32.exe	92
PID 2404 wrote to memory of 3456	2404	AcroRd32.exe	92
PID 2404 wrote to memory of 3456	2404	AcroRd32.exe	92
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 3612	3456	RdrCEF.exe	94
PID 3456 wrote to memory of 4480	3456	RdrCEF.exe	93
PID 3456 wrote to memory of 4480	3456	RdrCEF.exe	93
PID 3456 wrote to memory of 4480	3456	RdrCEF.exe	93
PID 3456 wrote to memory of 4480	3456	RdrCEF.exe	93
PID 3456 wrote to memory of 4480	3456	RdrCEF.exe	93
PID 3456 wrote to memory of 4480	3456	RdrCEF.exe	93
PID 3456 wrote to memory of 4480	3456	RdrCEF.exe	93
PID 3456 wrote to memory of 4480	3456	RdrCEF.exe	93
PID 3456 wrote to memory of 4480	3456	RdrCEF.exe	93
PID 3456 wrote to memory of 4480	3456	RdrCEF.exe	93
PID 3456 wrote to memory of 4480	3456	RdrCEF.exe	93
PID 3456 wrote to memory of 4480	3456	RdrCEF.exe	93
PID 3456 wrote to memory of 4480	3456	RdrCEF.exe	93
PID 3456 wrote to memory of 4480	3456	RdrCEF.exe	93
PID 3456 wrote to memory of 4480	3456	RdrCEF.exe	93
PID 3456 wrote to memory of 4480	3456	RdrCEF.exe	93
PID 3456 wrote to memory of 4480	3456	RdrCEF.exe	93
PID 3456 wrote to memory of 4480	3456	RdrCEF.exe	93
PID 3456 wrote to memory of 4480	3456	RdrCEF.exe	93
PID 3456 wrote to memory of 4480	3456	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\17ed6f61585be62ed2df87b5ae4e474b.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:2404
- 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:3456
- - 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=2478E54AF0D6566505B787874B88B731 --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=2478E54AF0D6566505B787874B88B731 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4480
- - 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=71233CEE906F34EFFDFD3A17867A3446 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3612
- - 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=47FB9EEFB2B52A25E3BB0266BCD0234D --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1256
- - 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=F40768EF8E0AD118C7A94367A98FFE50 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3064
- - 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=DE68FE7898AE0DFBBAED82ED9CA7E5AD --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3884
- - 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=08F8448C9DEBE55E2A1C52B2836DE4BC --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=08F8448C9DEBE55E2A1C52B2836DE4BC --renderer-client-id=7 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1380

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4316

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
8398cb7c975ca8414876eee5305b161c

SHA1
69b042163e561c2beaece38768f9094b31c6542d

SHA256
626458021316222a3e5ba618cffee207af1e477e4a7553d220ae550e29653d1d

SHA512
5be24291184bb0d5b68025757138103192b423a6ee0a8891b526a4a710f2bbb4cea28dcfc8e5ecdd00a57e0f2f2e6e368fb570b54ed78510694a84bdeb416d60

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