b3b2e6cc6e259512721abdae41e485aa4622aab48ed974d37933b3070cc0e138

Resubmissions

31/05/2024, 17:03

240531-vkwaqaeg3y 5

31/05/2024, 17:00

240531-vjammaef7w 5

31/05/2024, 16:59

240531-vhn4mafd58 5

Analysis

max time kernel
42s
max time network
44s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
31/05/2024, 16:59

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General

Target

voice-mail.pdf
Size

36KB
MD5

218446d620cbb0c9968773ce3105e5de
SHA1

d3e93af5eb3c19146079de19ede51cdda7a752e5
SHA256

f3eb16b902849727bad69b0a408ed316fad970c6634feb9d718a9970bc821986
SHA512

656c89b9f6f7271f262c74eab73f0c1ee228d1788af9c37ba3176130cca627068c1fb4896ab17351c9ce8ac8c7faebbcd97ebb71a4bbbf4fdbc08bccbca3e136
SSDEEP

768:DObythkUnFcODznhi2bl49EQmEXjmjhjj1NmX8VoKj2YdwDyt:DOQw2znh1J49EhEX+tjX1CupAk

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-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe
1008	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 1664	1008	AcroRd32.exe	85
PID 1008 wrote to memory of 1664	1008	AcroRd32.exe	85
PID 1008 wrote to memory of 1664	1008	AcroRd32.exe	85
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 564	1664	RdrCEF.exe	86
PID 1664 wrote to memory of 1084	1664	RdrCEF.exe	87
PID 1664 wrote to memory of 1084	1664	RdrCEF.exe	87
PID 1664 wrote to memory of 1084	1664	RdrCEF.exe	87
PID 1664 wrote to memory of 1084	1664	RdrCEF.exe	87
PID 1664 wrote to memory of 1084	1664	RdrCEF.exe	87
PID 1664 wrote to memory of 1084	1664	RdrCEF.exe	87
PID 1664 wrote to memory of 1084	1664	RdrCEF.exe	87
PID 1664 wrote to memory of 1084	1664	RdrCEF.exe	87
PID 1664 wrote to memory of 1084	1664	RdrCEF.exe	87
PID 1664 wrote to memory of 1084	1664	RdrCEF.exe	87
PID 1664 wrote to memory of 1084	1664	RdrCEF.exe	87
PID 1664 wrote to memory of 1084	1664	RdrCEF.exe	87
PID 1664 wrote to memory of 1084	1664	RdrCEF.exe	87
PID 1664 wrote to memory of 1084	1664	RdrCEF.exe	87
PID 1664 wrote to memory of 1084	1664	RdrCEF.exe	87
PID 1664 wrote to memory of 1084	1664	RdrCEF.exe	87
PID 1664 wrote to memory of 1084	1664	RdrCEF.exe	87
PID 1664 wrote to memory of 1084	1664	RdrCEF.exe	87
PID 1664 wrote to memory of 1084	1664	RdrCEF.exe	87
PID 1664 wrote to memory of 1084	1664	RdrCEF.exe	87

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\voice-mail.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1008
- 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:1664
- - 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=25B54F2D8FB944DFA132E934B7423567 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:564
- - 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=DE03422FCDA160979B1DB38E8BD1E27F --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=DE03422FCDA160979B1DB38E8BD1E27F --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1084
- - 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=1C7727DAE435CE179643C4FE520FB66D --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2244
- - 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=47C27E91ADA1754E82A249E3C4D19AFD --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:928
- - 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=9450F9B259A22DE67E0143D4BCA074FE --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:208

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:316

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
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
fdfdf2784b5c43025fbce34fe28f1330

SHA1
02fcef2442aec1b38fd02c74455569dd2766ce1c

SHA256
bb89bfadc24b2241ec22e312a363e60fa7b391722e8fa6609b26fe4d2c24026a

SHA512
671b7608d9bcfddfc27b3c7d222553339b68230a983ea8ab863bba3bfb058fdaaa73d7cb284333a777b0b02ad966ee6f51fabdf666ddd8c8cf5e04d010eafd57

Download Submit