9881067fdb4f7858ed4d2b9bc675ebbc2aae0da8b00441eef7c8b2d66c8d312f

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 05:56

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General

Target
107ea038fca0b465f20438b0c9042d82.pdf
Size 3KB
Sample231230-gnc2naghbk
SHA256 9881067fdb4f7858ed4d2b9bc675ebbc2aae0da8b00441eef7c8b2d66c8d312f
MD5 107ea038fca0b465f20438b0c9042d82
SHA1 f7cee44d8e5898d710283903d1b2faa0506ec482
SHA512 cb148388be3b0f05c7fc646c170146c3ac1bf1bd33857473b4974ae7a3db4a7daeabb9187de5aade4a6d0e699d14ac9e7ff90a5dd9067c1a0d36d49ecc338832
MD5 SHA1 SHA512

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4512	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe
4512	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4512 wrote to memory of 1332	4512	AcroRd32.exe	93
PID 4512 wrote to memory of 1332	4512	AcroRd32.exe	93
PID 4512 wrote to memory of 1332	4512	AcroRd32.exe	93
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3376	1332	RdrCEF.exe	94
PID 1332 wrote to memory of 3792	1332	RdrCEF.exe	95
PID 1332 wrote to memory of 3792	1332	RdrCEF.exe	95
PID 1332 wrote to memory of 3792	1332	RdrCEF.exe	95
PID 1332 wrote to memory of 3792	1332	RdrCEF.exe	95
PID 1332 wrote to memory of 3792	1332	RdrCEF.exe	95
PID 1332 wrote to memory of 3792	1332	RdrCEF.exe	95
PID 1332 wrote to memory of 3792	1332	RdrCEF.exe	95
PID 1332 wrote to memory of 3792	1332	RdrCEF.exe	95
PID 1332 wrote to memory of 3792	1332	RdrCEF.exe	95
PID 1332 wrote to memory of 3792	1332	RdrCEF.exe	95
PID 1332 wrote to memory of 3792	1332	RdrCEF.exe	95
PID 1332 wrote to memory of 3792	1332	RdrCEF.exe	95
PID 1332 wrote to memory of 3792	1332	RdrCEF.exe	95
PID 1332 wrote to memory of 3792	1332	RdrCEF.exe	95
PID 1332 wrote to memory of 3792	1332	RdrCEF.exe	95
PID 1332 wrote to memory of 3792	1332	RdrCEF.exe	95
PID 1332 wrote to memory of 3792	1332	RdrCEF.exe	95
PID 1332 wrote to memory of 3792	1332	RdrCEF.exe	95
PID 1332 wrote to memory of 3792	1332	RdrCEF.exe	95
PID 1332 wrote to memory of 3792	1332	RdrCEF.exe	95

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\107ea038fca0b465f20438b0c9042d82.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:4512
- 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:1332
- - 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=56700425C0D7E33BFD13A23456805A6E --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3376
- - 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=132679295FA3F3FE70EAF547E40692B4 --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=132679295FA3F3FE70EAF547E40692B4 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3792
- - 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=EB751CA730EFE142555CE29C675D9AA6 --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=EB751CA730EFE142555CE29C675D9AA6 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3188
- - 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=2581F1EAFDD461265E6511E67502CA72 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3360
- - 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=E274D7B5361175DB3541864EEF403D1A --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2272
- - 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=D778A16E303E9E6C4F0904538CA70AA7 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2960

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:212

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 fca03b55c0b31ad5384c1356fcd777ab3abdddf2fe92428058c5b08c9aa3b214
MD5 ff85f32a3e8177b0c0e4720f2dbc02c2
SHA1 9205be69774b137ebaa955e4f20d30509a2455df
SHA512 a4d1deaefcdb151366f16788906ef1d8a561a2984d02ff3de8816305c5e8488eaf3f686226a0b8ff30bd08f7909d1fb6fe5cc43a8e92ea8187b367fe629cccc4
SSDEEP 384:yemdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:V+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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