957ce27226717e32fa9376d9fcf57af83a4d270e929db19c8ca754ab26b98c78

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 15:10

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General

Target

7a921f4ac4adea48b3e0027d5dc53341.pdf
Size

87KB
MD5

7a921f4ac4adea48b3e0027d5dc53341
SHA1

c695cfb71353dc6c79b32189d9cea78523dfa480
SHA256

957ce27226717e32fa9376d9fcf57af83a4d270e929db19c8ca754ab26b98c78
SHA512

98ab00e00903e37b0feba36a56691334abc9d119855f9a18ce7c318b677e52bbb152af02a3dfb20033afbe780708713ca8e06df9acf421f8640608d4a50fa341
SSDEEP

1536:C9F417NOxF9AtkqPQWMQuvX/d66eybOtnWRReKSiixUJtwHWQpOCCcP:iFnxFABhuvX/d66ewr4KbixUHwyCH

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4544	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe
4544	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 4844	4544	AcroRd32.exe	91
PID 4544 wrote to memory of 4844	4544	AcroRd32.exe	91
PID 4544 wrote to memory of 4844	4544	AcroRd32.exe	91
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 1380	4844	RdrCEF.exe	92
PID 4844 wrote to memory of 4908	4844	RdrCEF.exe	93
PID 4844 wrote to memory of 4908	4844	RdrCEF.exe	93
PID 4844 wrote to memory of 4908	4844	RdrCEF.exe	93
PID 4844 wrote to memory of 4908	4844	RdrCEF.exe	93
PID 4844 wrote to memory of 4908	4844	RdrCEF.exe	93
PID 4844 wrote to memory of 4908	4844	RdrCEF.exe	93
PID 4844 wrote to memory of 4908	4844	RdrCEF.exe	93
PID 4844 wrote to memory of 4908	4844	RdrCEF.exe	93
PID 4844 wrote to memory of 4908	4844	RdrCEF.exe	93
PID 4844 wrote to memory of 4908	4844	RdrCEF.exe	93
PID 4844 wrote to memory of 4908	4844	RdrCEF.exe	93
PID 4844 wrote to memory of 4908	4844	RdrCEF.exe	93
PID 4844 wrote to memory of 4908	4844	RdrCEF.exe	93
PID 4844 wrote to memory of 4908	4844	RdrCEF.exe	93
PID 4844 wrote to memory of 4908	4844	RdrCEF.exe	93
PID 4844 wrote to memory of 4908	4844	RdrCEF.exe	93
PID 4844 wrote to memory of 4908	4844	RdrCEF.exe	93
PID 4844 wrote to memory of 4908	4844	RdrCEF.exe	93
PID 4844 wrote to memory of 4908	4844	RdrCEF.exe	93
PID 4844 wrote to memory of 4908	4844	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\7a921f4ac4adea48b3e0027d5dc53341.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:4544
- 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:4844
- - 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=92078347D6C32016FB265E21647C187E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1380
- - 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=EF0C65D81A9A9BA4210B4B7C4D30D5C5 --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=EF0C65D81A9A9BA4210B4B7C4D30D5C5 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4908
- - 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=D4F28C7823622BDE5FFCFA0A1368E2ED --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=D4F28C7823622BDE5FFCFA0A1368E2ED --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4108
- - 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=70BCC61C2DB4483A4968F2190376010B --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1168
- - 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=83F0E3F33B598FF1E213A9FA2EB4CA04 --mojo-platform-channel-handle=2668 --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=E6020C36A1EFBD7AC81BE9DEC4B6FB12 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2964

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4632

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
08c06ce5225157108c545dde5c9fdd3e

SHA1
8e050600eb30ecf90d6deb272fc1e62bf300bdbe

SHA256
aff4c43168fc941cfb499df9198d43520d658e6d08cf94a755ab168fc02ee287

SHA512
e345caa7c689e96636406b3929c5f55c075b3d11371d7ba0661c94bed8a29e304ba2e35ff607fd7fb03c182f05c568468e8d9db56e615488c2a409f5b60dccb0

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