641ea502070457ea17068c88832aaca7d36f0f54173173637a62476e74004e4d

Analysis

max time kernel
146s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 23:01

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General

Target

d74ba48cdaf479e5182c79499e258596.pdf
Size

74KB
MD5

d74ba48cdaf479e5182c79499e258596
SHA1

14b93ca6a444c397f74c6f1ae7bd79c1d182a1f2
SHA256

641ea502070457ea17068c88832aaca7d36f0f54173173637a62476e74004e4d
SHA512

4324bb60658004d0aa1875235077fa74e3104bf78f2fc874ae5031c2eefdbca0c0e8c3ad75970aedbcede327544160e65744a6fecc703b9747ce7db02b0472ef
SSDEEP

1536:cRS7mNKg7ADNn8o3ZVUUijOGu9b7EskNUcFk7dflPAl4p:WMmgAiN8o3ZHik7Esk6cS7dio

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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3056	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe
3056	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 1124	3056	AcroRd32.exe	96
PID 3056 wrote to memory of 1124	3056	AcroRd32.exe	96
PID 3056 wrote to memory of 1124	3056	AcroRd32.exe	96
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 1448	1124	RdrCEF.exe	97
PID 1124 wrote to memory of 2620	1124	RdrCEF.exe	98
PID 1124 wrote to memory of 2620	1124	RdrCEF.exe	98
PID 1124 wrote to memory of 2620	1124	RdrCEF.exe	98
PID 1124 wrote to memory of 2620	1124	RdrCEF.exe	98
PID 1124 wrote to memory of 2620	1124	RdrCEF.exe	98
PID 1124 wrote to memory of 2620	1124	RdrCEF.exe	98
PID 1124 wrote to memory of 2620	1124	RdrCEF.exe	98
PID 1124 wrote to memory of 2620	1124	RdrCEF.exe	98
PID 1124 wrote to memory of 2620	1124	RdrCEF.exe	98
PID 1124 wrote to memory of 2620	1124	RdrCEF.exe	98
PID 1124 wrote to memory of 2620	1124	RdrCEF.exe	98
PID 1124 wrote to memory of 2620	1124	RdrCEF.exe	98
PID 1124 wrote to memory of 2620	1124	RdrCEF.exe	98
PID 1124 wrote to memory of 2620	1124	RdrCEF.exe	98
PID 1124 wrote to memory of 2620	1124	RdrCEF.exe	98
PID 1124 wrote to memory of 2620	1124	RdrCEF.exe	98
PID 1124 wrote to memory of 2620	1124	RdrCEF.exe	98
PID 1124 wrote to memory of 2620	1124	RdrCEF.exe	98
PID 1124 wrote to memory of 2620	1124	RdrCEF.exe	98
PID 1124 wrote to memory of 2620	1124	RdrCEF.exe	98

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\d74ba48cdaf479e5182c79499e258596.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:3056
- 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:1124
- - 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=8875311B94B09C652830A8F281587A44 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1448
- - 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=D56FE80E46B4776824C97C2C173F9601 --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=D56FE80E46B4776824C97C2C173F9601 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2620
- - 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=D2EA2048EEB63AE296B67716DA1280D4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4684
- - 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=FEB19CFD323416B3FD2C9795DDAF3756 --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=FEB19CFD323416B3FD2C9795DDAF3756 --renderer-client-id=5 --mojo-platform-channel-handle=1992 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4064
- - 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=69ABBF692177A4F235B0D0CA13C66031 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4448
- - 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=AC5B61903FCFA9730775AE6B709681C3 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3880

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4000

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
df2e35b3112ced8b6eb7fa2ea0eb7ab3

SHA1
bf4e35444084ed383c58598ef06a67c8633fb91b

SHA256
d0daa3b8e1df28c6214d2907a2df6761a05baf95b44835d816286fccd0627766

SHA512
9e468cabec122f566ad6c3eacc7245901af71a54d45903464a2d920f3656a7bf7aa22352387034379c3fa8ff422d5f4ad6160d383755ba54e0fc333797f84cd4

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