dcb15f92bf727cbbcfc23f170713631a294a5b6826bad2b8b6739504e41b9bbd

Analysis

max time kernel
130s
max time network
146s
platform
windows10-1703_x64
resource
win10-20240611-en
resource tags

arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system
submitted
02-08-2024 19:31

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General

Target

MeshServiceXPE.pdf
Size

1.4MB
MD5

936c188cefd3d08adbbd858c6c8e5d66
SHA1

2458869e38de728402022a3fc3d62fe5588b130a
SHA256

dcb15f92bf727cbbcfc23f170713631a294a5b6826bad2b8b6739504e41b9bbd
SHA512

73fc89ff5acbbe96a7c0db17a7009df3009807f2cd5bfe9b8199ab82b9ea241ce4bb0a82ff9813ff36eda41062a4375084288dd502547881b587f76279b002aa
SSDEEP

24576:dHsMgu50YLgaUOt3/ToawKprfKwFHVIqnS2+9Dbthjf4j3cieJ2iSek0G:DNLtUy/tHaqCbthjf4j3neJ2iSe2

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 8 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	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-1-5-21-1453213197-474736321-1741884505-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1368	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe
1368	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 688	1368	AcroRd32.exe	70
PID 1368 wrote to memory of 688	1368	AcroRd32.exe	70
PID 1368 wrote to memory of 688	1368	AcroRd32.exe	70
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 4976	688	RdrCEF.exe	71
PID 688 wrote to memory of 5032	688	RdrCEF.exe	72
PID 688 wrote to memory of 5032	688	RdrCEF.exe	72
PID 688 wrote to memory of 5032	688	RdrCEF.exe	72
PID 688 wrote to memory of 5032	688	RdrCEF.exe	72
PID 688 wrote to memory of 5032	688	RdrCEF.exe	72
PID 688 wrote to memory of 5032	688	RdrCEF.exe	72
PID 688 wrote to memory of 5032	688	RdrCEF.exe	72
PID 688 wrote to memory of 5032	688	RdrCEF.exe	72
PID 688 wrote to memory of 5032	688	RdrCEF.exe	72
PID 688 wrote to memory of 5032	688	RdrCEF.exe	72
PID 688 wrote to memory of 5032	688	RdrCEF.exe	72
PID 688 wrote to memory of 5032	688	RdrCEF.exe	72
PID 688 wrote to memory of 5032	688	RdrCEF.exe	72
PID 688 wrote to memory of 5032	688	RdrCEF.exe	72
PID 688 wrote to memory of 5032	688	RdrCEF.exe	72
PID 688 wrote to memory of 5032	688	RdrCEF.exe	72
PID 688 wrote to memory of 5032	688	RdrCEF.exe	72
PID 688 wrote to memory of 5032	688	RdrCEF.exe	72
PID 688 wrote to memory of 5032	688	RdrCEF.exe	72
PID 688 wrote to memory of 5032	688	RdrCEF.exe	72

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\MeshServiceXPE.pdf"
1⤵
- System Location Discovery: System Language Discovery
- 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:1368
- 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:688
- - 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=008E95EE7E094D8428AED822125AB5F4 --mojo-platform-channel-handle=1628 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4976
- - 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=2D52D3D388724E26008840163EB6A1EC --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=2D52D3D388724E26008840163EB6A1EC --renderer-client-id=2 --mojo-platform-channel-handle=1652 --allow-no-sandbox-job /prefetch:1
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5032
- - 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=DFC343948745511448330223EE8B741E --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=DFC343948745511448330223EE8B741E --renderer-client-id=4 --mojo-platform-channel-handle=2236 --allow-no-sandbox-job /prefetch:1
    3⤵
    - System Location Discovery: System Language Discovery
    PID:96
- - 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=1825C6D5F1399CEAA69DA69C3A729732 --mojo-platform-channel-handle=2560 --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=4C23A6311D41FEFC66868BDD0A83170F --mojo-platform-channel-handle=1704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3204
- - 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=642D3422FD31F47925E1BF45C8B9E4E6 --mojo-platform-channel-handle=2828 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2292

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
9c78497a309fdbb7bd6a5541c136f105

SHA1
fee0acb701313aa78a6b8176d040721995171cc2

SHA256
53030b1012902b2fabf5e488ab7a87d2061c66958aa5f9672aafdbb87295c43e

SHA512
2f1f35ad098cc27a3b2b75f664ae07ae85e52e19215d899a6b266331b550d257d42aea0d6d7b7af5ccc514d2b0e5ea72ed5a45c087ed9865cf63251d4e5c2322

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