fafc96b471665638b5bc77c93a99762fc24e86cb04c9148c64143677fad4bf37

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 13:58

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General

Target
778b98231d068ca94072b9351ce8205c.pdf
Size 89KB
Sample240126-q947psfca9
SHA256 fafc96b471665638b5bc77c93a99762fc24e86cb04c9148c64143677fad4bf37
MD5 778b98231d068ca94072b9351ce8205c
SHA1 3032ce4f47e3a96d7bacd0d757b385ecf2c2b8dc
SHA512 8132fb504df9690b5c3d7613061565eb15f8588731f37688e0b9f5fc0092d2d75d00778ffc846bc2ac6ab6ba997870832fccdea7cd0fbb1056e2b3e6679859e0
SSDEEP 1536:9Fux2jMwJqCCaibWQUPC3H+V0tOmTZ3LnYd1ZXNqeEXbLw/yCWoQgFoKrRmU6W8B:BAwJqCCaica+VsxYd5qeQb8/y0XFmUBA
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 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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1400	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe
1400	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 4812	1400	AcroRd32.exe	90
PID 1400 wrote to memory of 4812	1400	AcroRd32.exe	90
PID 1400 wrote to memory of 4812	1400	AcroRd32.exe	90
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 1500	4812	RdrCEF.exe	91
PID 4812 wrote to memory of 2016	4812	RdrCEF.exe	92
PID 4812 wrote to memory of 2016	4812	RdrCEF.exe	92
PID 4812 wrote to memory of 2016	4812	RdrCEF.exe	92
PID 4812 wrote to memory of 2016	4812	RdrCEF.exe	92
PID 4812 wrote to memory of 2016	4812	RdrCEF.exe	92
PID 4812 wrote to memory of 2016	4812	RdrCEF.exe	92
PID 4812 wrote to memory of 2016	4812	RdrCEF.exe	92
PID 4812 wrote to memory of 2016	4812	RdrCEF.exe	92
PID 4812 wrote to memory of 2016	4812	RdrCEF.exe	92
PID 4812 wrote to memory of 2016	4812	RdrCEF.exe	92
PID 4812 wrote to memory of 2016	4812	RdrCEF.exe	92
PID 4812 wrote to memory of 2016	4812	RdrCEF.exe	92
PID 4812 wrote to memory of 2016	4812	RdrCEF.exe	92
PID 4812 wrote to memory of 2016	4812	RdrCEF.exe	92
PID 4812 wrote to memory of 2016	4812	RdrCEF.exe	92
PID 4812 wrote to memory of 2016	4812	RdrCEF.exe	92
PID 4812 wrote to memory of 2016	4812	RdrCEF.exe	92
PID 4812 wrote to memory of 2016	4812	RdrCEF.exe	92
PID 4812 wrote to memory of 2016	4812	RdrCEF.exe	92
PID 4812 wrote to memory of 2016	4812	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\778b98231d068ca94072b9351ce8205c.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:1400
- 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:4812
- - 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=EC688AB9473FD759035C0774C1BFC890 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1500
- - 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=CBCC35833B7897C51B4F61AF22C11A5A --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=CBCC35833B7897C51B4F61AF22C11A5A --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2016
- - 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=7ACC4DB02F6EB59E15E058BA7838FF2E --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2836
- - 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=006EB782928FC576009224527630D64A --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3680
- - 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=F31FA5B2BBF7C119DC4193E3AFBCF22D --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=F31FA5B2BBF7C119DC4193E3AFBCF22D --renderer-client-id=6 --mojo-platform-channel-handle=2508 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1532
- - 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=A552917F7B67C9C90AF437D1DE2B34C8 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5108

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1912

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 c3c75eebd798d5f467456335c8f6ba846ee593cc0214588020f0bc0445c4c0e7
MD5 37750a132b848853929f2092165096f7
SHA1 e26e14c8f2166401eac21397e692b4b08a0dce0c
SHA512 c0a49177e47ace9f3e32eded113de6b2b4ff18c0eaf3e37117d6673a33fd2223460ae705f1e36eb588ba303eb404584dca39cb4b5dea46f9b3870439e40b8eb6
SSDEEP 384:yeHdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:K+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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memory/1400-26-0x000000000C1A0000-0x000000000C1F0000-memory.dmp

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