2a29407a012be17087edc4de06d1c4ae96f72ae52097aaa98bc2707d7d7624c7

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
12/06/2024, 01:22

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General

Target
Docs/REAPER Quick Start.pdf
Size 98KB
Sample240612-brbecaxenc
SHA256 58045223424d936adcefc09c06f635c30a1aaba0335fc5d5954b43833b53fd72
MD5 1bddb792fec19750ccbbb8352b2b8ffe
SHA1 dd300cb011e0d9abd57f41503e31367167fddd68
SHA512 1438030735aa9549e13b2e275210a9c6bb825329acd568d8c38f8debe04474ce01be5e44ef6b76913d47b59d33c58954615754cffbce67de04f9ccbaa8341631
SSDEEP 1536:loTqjohGkVSC9aZHu40Y7w58PxeVPM6b24k8frIP4T8m0qd4gBE:1lHfEU03kPm8m0qzBE
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-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1064	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe
1064	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 4684	1064	AcroRd32.exe	80
PID 1064 wrote to memory of 4684	1064	AcroRd32.exe	80
PID 1064 wrote to memory of 4684	1064	AcroRd32.exe	80
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 3044	4684	RdrCEF.exe	81
PID 4684 wrote to memory of 1664	4684	RdrCEF.exe	82
PID 4684 wrote to memory of 1664	4684	RdrCEF.exe	82
PID 4684 wrote to memory of 1664	4684	RdrCEF.exe	82
PID 4684 wrote to memory of 1664	4684	RdrCEF.exe	82
PID 4684 wrote to memory of 1664	4684	RdrCEF.exe	82
PID 4684 wrote to memory of 1664	4684	RdrCEF.exe	82
PID 4684 wrote to memory of 1664	4684	RdrCEF.exe	82
PID 4684 wrote to memory of 1664	4684	RdrCEF.exe	82
PID 4684 wrote to memory of 1664	4684	RdrCEF.exe	82
PID 4684 wrote to memory of 1664	4684	RdrCEF.exe	82
PID 4684 wrote to memory of 1664	4684	RdrCEF.exe	82
PID 4684 wrote to memory of 1664	4684	RdrCEF.exe	82
PID 4684 wrote to memory of 1664	4684	RdrCEF.exe	82
PID 4684 wrote to memory of 1664	4684	RdrCEF.exe	82
PID 4684 wrote to memory of 1664	4684	RdrCEF.exe	82
PID 4684 wrote to memory of 1664	4684	RdrCEF.exe	82
PID 4684 wrote to memory of 1664	4684	RdrCEF.exe	82
PID 4684 wrote to memory of 1664	4684	RdrCEF.exe	82
PID 4684 wrote to memory of 1664	4684	RdrCEF.exe	82
PID 4684 wrote to memory of 1664	4684	RdrCEF.exe	82

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\Docs\REAPER Quick Start.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:1064
- 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:4684
- - 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=62A022DA0A1393506C4C5BD840809172 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3044
- - 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=6263FD0499E2FBB4E8DE1B1BC4E9381B --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=6263FD0499E2FBB4E8DE1B1BC4E9381B --renderer-client-id=2 --mojo-platform-channel-handle=1712 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1664
- - 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=A618DB1C245FAE01D135877D66EDB4D6 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2160
- - 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=D604AAC4D898B8BE878A63F1DA0A554B --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4040
- - 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=2FDE0C53F10FDE1A71AA2717D8EFA57D --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=2FDE0C53F10FDE1A71AA2717D8EFA57D --renderer-client-id=6 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4784
- - 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=F83A0CFE799F4004D8000FA6BFE0D0E6 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4024

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 ac94c107f5d7c4ab48b4b7fe5cc52392892c21eec0d7ed1701a2e16500b07955
MD5 f49f597286539c438b1dc1a703b4cce0
SHA1 9743af18cd1b83878ed712520955c00409a44f4a
SHA512 381b52d22fcc62d5ca74233a02c7a28d070937d65076fb198956f5c3b22039a2b4a30a6ce6c3e1725d1f01142073cc51ecb61b9999d6b999c5b78e5b0f48e470
SSDEEP 384:yecdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:n+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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