8bb47104a48a832f22f3726c3d17b8804b2e35482c66a00152ae2a66691f0cf4

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 12:12

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General

Target

1cb894459b4a800915758f8e64a6e64c.pdf
Size

87KB
MD5

1cb894459b4a800915758f8e64a6e64c
SHA1

e63fd8cdfa1731cc1b0319d558003bc7918b724e
SHA256

8bb47104a48a832f22f3726c3d17b8804b2e35482c66a00152ae2a66691f0cf4
SHA512

b85001d57c6aabdfc68d822310c73bc066bad2f7353ed81db0112bde170968c94a4063a32cfa78d9c551e8bfabebfd542a7271754d942e470b77093ca87e297e
SSDEEP

1536:TCEHZgxMP0xKhQOw7s1/6DpGb7xstzt17fIcyPZWFA/F2UWUpO731/4Gnr45:ByUQOSw/6tGb76tpNIj2X79hnm

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1904	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 4496	1904	AcroRd32.exe	91
PID 1904 wrote to memory of 4496	1904	AcroRd32.exe	91
PID 1904 wrote to memory of 4496	1904	AcroRd32.exe	91
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3304	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 4488	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 4488	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 4488	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 4488	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 4488	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 4488	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 4488	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 4488	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 4488	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 4488	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 4488	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 4488	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 4488	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 4488	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 4488	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 4488	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 4488	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 4488	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 4488	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 4488	4496	RdrCEF.exe	93

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\1cb894459b4a800915758f8e64a6e64c.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:1904
- 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:4496
- - 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=2776FE51A9FDFE44B2D13C06FBB0E658 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3304
- - 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=43C5212428CEEA7F9A2789CA5BA73C4F --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=43C5212428CEEA7F9A2789CA5BA73C4F --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4488
- - 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=4AA4F60D7C2C407B7733DB49B0483AFE --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=4AA4F60D7C2C407B7733DB49B0483AFE --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1092
- - 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=D5EB1F45520BF0544D52EFBA88F94605 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4788
- - 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=B935DE3753B8707E96A12D1A93D57092 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2760
- - 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=A9B6E8F2837A961EDEC0AC679B965440 --mojo-platform-channel-handle=2608 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4104

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3692

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
86cc80affbf18f2ba2e0ad4ead0bad6a

SHA1
c59957a5104bb1b614ba5905e5d8c0e82de7fad9

SHA256
b031326adcda79c5581a05a6d78a7a2fa176b77dc4207ed50f75ef61b2ef190c

SHA512
e964864777e038698d7e593b76b4f58114c40deb4e2dd622db629e0a7b28e410c88ca0f484895c1649b2a411be92ca76481727910d89237714644ac251daac95

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