61edc4c5ba77f50b33fa09b5b4dc17a8ffabe84b7a03085d62ed01aa2045dd3d

Analysis

max time kernel
145s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 19:21

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General

Target

c6ac7634320d21a100454c4b273d2e84.pdf
Size

82KB
MD5

c6ac7634320d21a100454c4b273d2e84
SHA1

4920fa20c74d973345d332f6f925e41b6b05bf78
SHA256

61edc4c5ba77f50b33fa09b5b4dc17a8ffabe84b7a03085d62ed01aa2045dd3d
SHA512

ff7aaf81b22d09058e2de123395a4b58e1119499b9c2b7193b67276c3161861673b410269903f6941d176541b7d9f023759667b1e7e2228318159792aec2a002
SSDEEP

1536:FC/gWVqOSqLkH3qzT9mH9u89uvt4HdlJQodX+ACO/q6i1j5kck8NVgpSN6W/qOKh:rWVqOe+4139lfMrOiZbkcHg+lq

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4224	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 3420	4224	AcroRd32.exe	91
PID 4224 wrote to memory of 3420	4224	AcroRd32.exe	91
PID 4224 wrote to memory of 3420	4224	AcroRd32.exe	91
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 2644	3420	RdrCEF.exe	94
PID 3420 wrote to memory of 4296	3420	RdrCEF.exe	95
PID 3420 wrote to memory of 4296	3420	RdrCEF.exe	95
PID 3420 wrote to memory of 4296	3420	RdrCEF.exe	95
PID 3420 wrote to memory of 4296	3420	RdrCEF.exe	95
PID 3420 wrote to memory of 4296	3420	RdrCEF.exe	95
PID 3420 wrote to memory of 4296	3420	RdrCEF.exe	95
PID 3420 wrote to memory of 4296	3420	RdrCEF.exe	95
PID 3420 wrote to memory of 4296	3420	RdrCEF.exe	95
PID 3420 wrote to memory of 4296	3420	RdrCEF.exe	95
PID 3420 wrote to memory of 4296	3420	RdrCEF.exe	95
PID 3420 wrote to memory of 4296	3420	RdrCEF.exe	95
PID 3420 wrote to memory of 4296	3420	RdrCEF.exe	95
PID 3420 wrote to memory of 4296	3420	RdrCEF.exe	95
PID 3420 wrote to memory of 4296	3420	RdrCEF.exe	95
PID 3420 wrote to memory of 4296	3420	RdrCEF.exe	95
PID 3420 wrote to memory of 4296	3420	RdrCEF.exe	95
PID 3420 wrote to memory of 4296	3420	RdrCEF.exe	95
PID 3420 wrote to memory of 4296	3420	RdrCEF.exe	95
PID 3420 wrote to memory of 4296	3420	RdrCEF.exe	95
PID 3420 wrote to memory of 4296	3420	RdrCEF.exe	95

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\c6ac7634320d21a100454c4b273d2e84.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:4224
- 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:3420
- - 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=A9CC06EDA128915BF6D7B68886CBF850 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2644
- - 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=2A4AD3C22A1907FA88C72D2FAA33A901 --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=2A4AD3C22A1907FA88C72D2FAA33A901 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4296
- - 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=FC7DD01BC9F6441C5DB6234F15178358 --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=FC7DD01BC9F6441C5DB6234F15178358 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:800
- - 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=0B2EB821CC85D5D7BB876B2FAD4B8E90 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4312
- - 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=411892453196345A88EEE38D76741709 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2520
- - 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=887B26197F2CEB07700697EEC425FBCC --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2504

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4680

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
0428a5426eca184cfb3a9fd4f474733a

SHA1
00b73b0616273cd288c0ce45019e3e715561f69b

SHA256
a3a93837ae93fe653b5265da343a384a9d552d911ce0b7e56ca950b325600fea

SHA512
a117be3904253ef01052a362b798e62bc751cf71177bb8825b51e932b291f54dccc3b4514694ddf25078eae384a2c0b628e0618662978e5872852a8e383734c1

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