446570578318adbe279185cfb66dba66cb0742e8005ec8b938ff96324df189a2

Analysis

max time kernel
140s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2024, 20:52

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General

Target

6bb8a7a9330d92a962dce66170fe0f0dc1bd7267135a84443fd3475a9092eab8.pdf
Size

98KB
MD5

85e03448a15841f9f64b59dc71f9dd01
SHA1

ca0931612699bdd5472ac596bc84c7e896cb18a9
SHA256

6bb8a7a9330d92a962dce66170fe0f0dc1bd7267135a84443fd3475a9092eab8
SHA512

dbfa80bb98364fd22f3da32b894b50c29b190b57bb39808583d42e8aaac782663b6c3ea640b6cca1676b423fc30a81a489f5a7ad282b493ced02d5f4c905b4f5
SSDEEP

3072:OYvfYHVVybnWyrJwkdFvdp+YSHPfitmkm3xp:OYXYTybn7V1p+THiVyxp

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe

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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe
2508	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 3628	2508	AcroRd32.exe	90
PID 2508 wrote to memory of 3628	2508	AcroRd32.exe	90
PID 2508 wrote to memory of 3628	2508	AcroRd32.exe	90
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 4236	3628	RdrCEF.exe	91
PID 3628 wrote to memory of 1764	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 1764	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 1764	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 1764	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 1764	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 1764	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 1764	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 1764	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 1764	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 1764	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 1764	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 1764	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 1764	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 1764	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 1764	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 1764	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 1764	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 1764	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 1764	3628	RdrCEF.exe	92
PID 3628 wrote to memory of 1764	3628	RdrCEF.exe	92

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\6bb8a7a9330d92a962dce66170fe0f0dc1bd7267135a84443fd3475a9092eab8.pdf"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2508
- 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⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3628
- - 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=D113A48F3FC6FD7985A0D326392A7618 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4236
- - 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=1673E18DAEB8BC14ECDA508EAD1DD1C8 --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=1673E18DAEB8BC14ECDA508EAD1DD1C8 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1764
- - 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=8C7FB275E2993C4ACEFC7D9C3FF86567 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4960
- - 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=C74C42389327A91E184767AA3EC34A12 --mojo-platform-channel-handle=1840 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    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=AA330512EF539E5DA81F75A8EF4996EC --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3108

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1704

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

System Location Discovery

T1614

System Language Discovery

T1614.001

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
8b813836806ba41c3cbfecac25f255eb

SHA1
d50087ddda95911d35336330c35ec3d9f0419c41

SHA256
93ba4ac47b0f83807a6ffe2e721c40af2bc3463780ffda613da3b45cc6974f78

SHA512
9dbe4b0a64b799dfc1b9c0422f5c931b4581b09d39a269708d677b3bee6e1d46a86b9bf12d2fbec738d35dbd61c1675cbae75c26f0da8af83202dd70980cab16

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
memory/2508-121-0x000000000A5A0000-0x000000000A84B000-memory.dmp

Filesize
2.7MB

Download