b0bb880781d22da725638f13ae16a61139bfc7dc443e5baf72448dd8b88bcf7b

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30/05/2024, 14:02

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General

Target
Confirmation de commande-377297.pdf
Size 149KB
Sample240530-rceffsba41
SHA256 b0bb880781d22da725638f13ae16a61139bfc7dc443e5baf72448dd8b88bcf7b
MD5 0a18d877542eddb86189c8d67d7c0318
SHA1 0bc14c2b59ba5ad51c8991aae050abff371a82e4
SHA512 c71a6d1d6984bb3aa65d06e91cbf977413987051e1727c73003f9e8d3f28eab69cf529d11e19d6dab878cd1ddd325d93b91b165734e4159ff9732dcb27224384
SSDEEP 3072:Ne/0hT5A5TwvsiqnLYSt+pRXlM7S3T949AD+9KAIx4hqEM:Ne/0F5AZI74GXlr3T+AK97hqEM
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-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2252	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe
2252	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 1784	2252	AcroRd32.exe	85
PID 2252 wrote to memory of 1784	2252	AcroRd32.exe	85
PID 2252 wrote to memory of 1784	2252	AcroRd32.exe	85
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1708	1784	RdrCEF.exe	86
PID 1784 wrote to memory of 1576	1784	RdrCEF.exe	87
PID 1784 wrote to memory of 1576	1784	RdrCEF.exe	87
PID 1784 wrote to memory of 1576	1784	RdrCEF.exe	87
PID 1784 wrote to memory of 1576	1784	RdrCEF.exe	87
PID 1784 wrote to memory of 1576	1784	RdrCEF.exe	87
PID 1784 wrote to memory of 1576	1784	RdrCEF.exe	87
PID 1784 wrote to memory of 1576	1784	RdrCEF.exe	87
PID 1784 wrote to memory of 1576	1784	RdrCEF.exe	87
PID 1784 wrote to memory of 1576	1784	RdrCEF.exe	87
PID 1784 wrote to memory of 1576	1784	RdrCEF.exe	87
PID 1784 wrote to memory of 1576	1784	RdrCEF.exe	87
PID 1784 wrote to memory of 1576	1784	RdrCEF.exe	87
PID 1784 wrote to memory of 1576	1784	RdrCEF.exe	87
PID 1784 wrote to memory of 1576	1784	RdrCEF.exe	87
PID 1784 wrote to memory of 1576	1784	RdrCEF.exe	87
PID 1784 wrote to memory of 1576	1784	RdrCEF.exe	87
PID 1784 wrote to memory of 1576	1784	RdrCEF.exe	87
PID 1784 wrote to memory of 1576	1784	RdrCEF.exe	87
PID 1784 wrote to memory of 1576	1784	RdrCEF.exe	87
PID 1784 wrote to memory of 1576	1784	RdrCEF.exe	87

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\Confirmation de commande-377297.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:2252
- 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:1784
- - 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=1668E2D3AACD1FE12941DE1869ECF993 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1708
- - 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=1956529927F866641C08D5FDC7D8C03B --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=1956529927F866641C08D5FDC7D8C03B --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1576
- - 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=E9CAB942EB78C0949E2422C2AB98627A --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3444
- - 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=33FD50B115E08CDDBE46946EDB8C1CD6 --mojo-platform-channel-handle=1792 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=0D612667936EBF1537D87F690443AC63 --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=0D612667936EBF1537D87F690443AC63 --renderer-client-id=6 --mojo-platform-channel-handle=2388 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2044
- - 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=D5247C1B37A4E67DA92AC1FCC250D6BF --mojo-platform-channel-handle=2712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4660

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 8242f91d9064ba3700b4689e73ea8b757e7a3ae4eb1253755ba797cc3714e3eb
MD5 7eda2514cbc377e50c5886c41a90947d
SHA1 69b69699a8b12bba78b26026ee10569c2ac319a6
SHA512 542f1ce8c6830021d8df3ac523207ebabf11fc7a33789125153137469036a920c436132187785448dbba2fc87bbdd29f46f4b8a44f359be81f000a7439606d63
SSDEEP 384:yeTdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:e+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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