32fd5b4a3cd277cf7a0b1b7f2fd4333ecdfa0696acc7928d4cee5334dc923e28

Analysis

max time kernel
141s
max time network
138s
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, 22:49

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General

Target

0399792d0fd20c3007152e4cb487f818a7e9f724b3d497792784178f33137cfb.pdf
Size

87KB
MD5

cb0f029ffab6a63d6675a1d8e5b4a43b
SHA1

814317739a38f7d47b1d2bcd4d7b96ea215b92ca
SHA256

0399792d0fd20c3007152e4cb487f818a7e9f724b3d497792784178f33137cfb
SHA512

62ed7d4556961d81f3a744d3a8c9e07fdddd8b229c2e4bbc92531f8fde5571390866c0bf73597cbf42706f3a8e8af43d54a1cb73987600d0c399509658039ee7
SSDEEP

1536:hS3wYcM4xK0ZfvGpiDR2/X3cBJEicawxDUwKvrYC12hijP4OqMQPLyUOaip+ZFLw:c3AM4x3ZXGiscfxJwpUwK04vqMkLIe0P

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	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	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

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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4172 wrote to memory of 4892	4172	AcroRd32.exe	88
PID 4172 wrote to memory of 4892	4172	AcroRd32.exe	88
PID 4172 wrote to memory of 4892	4172	AcroRd32.exe	88
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1060	4892	RdrCEF.exe	91
PID 4892 wrote to memory of 1220	4892	RdrCEF.exe	92
PID 4892 wrote to memory of 1220	4892	RdrCEF.exe	92
PID 4892 wrote to memory of 1220	4892	RdrCEF.exe	92
PID 4892 wrote to memory of 1220	4892	RdrCEF.exe	92
PID 4892 wrote to memory of 1220	4892	RdrCEF.exe	92
PID 4892 wrote to memory of 1220	4892	RdrCEF.exe	92
PID 4892 wrote to memory of 1220	4892	RdrCEF.exe	92
PID 4892 wrote to memory of 1220	4892	RdrCEF.exe	92
PID 4892 wrote to memory of 1220	4892	RdrCEF.exe	92
PID 4892 wrote to memory of 1220	4892	RdrCEF.exe	92
PID 4892 wrote to memory of 1220	4892	RdrCEF.exe	92
PID 4892 wrote to memory of 1220	4892	RdrCEF.exe	92
PID 4892 wrote to memory of 1220	4892	RdrCEF.exe	92
PID 4892 wrote to memory of 1220	4892	RdrCEF.exe	92
PID 4892 wrote to memory of 1220	4892	RdrCEF.exe	92
PID 4892 wrote to memory of 1220	4892	RdrCEF.exe	92
PID 4892 wrote to memory of 1220	4892	RdrCEF.exe	92
PID 4892 wrote to memory of 1220	4892	RdrCEF.exe	92
PID 4892 wrote to memory of 1220	4892	RdrCEF.exe	92
PID 4892 wrote to memory of 1220	4892	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\0399792d0fd20c3007152e4cb487f818a7e9f724b3d497792784178f33137cfb.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:4172
- 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:4892
- - 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=8BAC49647E3FF578FD3476A6957D6B27 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1060
- - 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=7237572187D41A70223F4096EA63166E --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=7237572187D41A70223F4096EA63166E --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1220
- - 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=AD0D166F9675D8385AB21A21BA8B45FA --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4244
- - 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=1D988B8423C5A4F1E952C4C1A4F546F2 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:464
- - 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=0D19AAE157966328F379FA998F3FF315 --mojo-platform-channel-handle=2368 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3396

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
0798cc070cd2825e28e12f4484e470b7

SHA1
416566f89a537df7945eeb614964a6bcdb35f21d

SHA256
b054f40775f5ca471824eb4e9e8bfcc8b6873538b15fd66e3929fb3ad0ba7fd9

SHA512
39e602692cce2486c83b98a29106cc87349e4acbf84dfa09f56fc6a617d076893b4dcf7c1d3295bef184d2e29d448209ee8663317d6e3b7c4ff674c7f21fc53e

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/4172-119-0x0000000009AA0000-0x0000000009D4B000-memory.dmp

Filesize
2.7MB

Download