b43d03505313c2d81f2942c32c65460a0878fa9be7b218fcc6b1f3efd74634f4

Analysis

max time kernel
47s
max time network
50s
platform
windows10-2004_x64
resource
win10v2004-20231130-en
resource tags

arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
submitted
14/12/2023, 16:52

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General

Target
PMT_04.pdf
Size 9.9MB
Sample231214-vdf78agfa9
SHA256 b43d03505313c2d81f2942c32c65460a0878fa9be7b218fcc6b1f3efd74634f4
MD5 e9ec7f175b1413f8e2d1712c4e69b149
SHA1 1e489b9db26be24b4fcc63dab3f5ef37ad1f333c
SHA512 5e32c4c7131cf3701f78c78f8146b1335d3fef3db263c9c6947053df9f4a517305a1fbdc315f6e430a28d0a2f4abe8b2409c677342523cca9d2da09e7d1cf4fe
SSDEEP 196608:pPkoOyYClq439U3Fm7ags5pwsbtcyoynkWJiC0NnZnEs+3Qm1c53RfnTJFEi:pPeyzlqQm34+gsAsvoy+ln8a53RfnTLx
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-3936660601-1848837011-2142350499-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4980	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe
4980	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4980 wrote to memory of 4268	4980	AcroRd32.exe	96
PID 4980 wrote to memory of 4268	4980	AcroRd32.exe	96
PID 4980 wrote to memory of 4268	4980	AcroRd32.exe	96
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4512	4268	RdrCEF.exe	98
PID 4268 wrote to memory of 4592	4268	RdrCEF.exe	99
PID 4268 wrote to memory of 4592	4268	RdrCEF.exe	99
PID 4268 wrote to memory of 4592	4268	RdrCEF.exe	99
PID 4268 wrote to memory of 4592	4268	RdrCEF.exe	99
PID 4268 wrote to memory of 4592	4268	RdrCEF.exe	99
PID 4268 wrote to memory of 4592	4268	RdrCEF.exe	99
PID 4268 wrote to memory of 4592	4268	RdrCEF.exe	99
PID 4268 wrote to memory of 4592	4268	RdrCEF.exe	99
PID 4268 wrote to memory of 4592	4268	RdrCEF.exe	99
PID 4268 wrote to memory of 4592	4268	RdrCEF.exe	99
PID 4268 wrote to memory of 4592	4268	RdrCEF.exe	99
PID 4268 wrote to memory of 4592	4268	RdrCEF.exe	99
PID 4268 wrote to memory of 4592	4268	RdrCEF.exe	99
PID 4268 wrote to memory of 4592	4268	RdrCEF.exe	99
PID 4268 wrote to memory of 4592	4268	RdrCEF.exe	99
PID 4268 wrote to memory of 4592	4268	RdrCEF.exe	99
PID 4268 wrote to memory of 4592	4268	RdrCEF.exe	99
PID 4268 wrote to memory of 4592	4268	RdrCEF.exe	99
PID 4268 wrote to memory of 4592	4268	RdrCEF.exe	99
PID 4268 wrote to memory of 4592	4268	RdrCEF.exe	99

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\PMT_04.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:4980
- 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:4268
- - 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=B2BA7394067C5B471C63D74854EC7CA6 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=DE585A5523676E789645BA8BB692785B --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=DE585A5523676E789645BA8BB692785B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4592
- - 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=B4D3CA05F8F8CB7D1AA41199FC002FD8 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4420
- - 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=0487AE17DAA436CC3606FABF3DF43A80 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4356
- - 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=1B3EF90FFEE9333F1861A0ED0F6F2BFA --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2332
- - 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=853171F1518B9DE6356F7D44B34910EA --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=853171F1518B9DE6356F7D44B34910EA --renderer-client-id=7 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1940

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4496

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 d8ec40c947293ca1ebb34da2f837fd11610507a44569396a75a538bef6be7e4f
MD5 2ccde6c9e48a6b54f20ccd5e2706b8dc
SHA1 3a66e2f924081a0a70994fb022355f8578f1cb9b
SHA512 f370ac999eea4c3ec8dbb2d47be813930c1b15fbbf84ffd759f42d6a72ac8913a8218aff3d2b6f7ffbd20f5f4da4654aaf367ac01ee960e0dc4df07ef6812f36
SSDEEP 384:ye3dThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:C+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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