6165509a39efa0ee5c22b29c959f18124bd9cb805747ea0d37bd8e41c52b8439

Analysis

max time kernel
140s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 10:37

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General

Target

857e7fc337cfff2401a4abb10975bbaf.pdf
Size

44KB
MD5

857e7fc337cfff2401a4abb10975bbaf
SHA1

96318fe958692f529304f308dc5a22e35b927b58
SHA256

6165509a39efa0ee5c22b29c959f18124bd9cb805747ea0d37bd8e41c52b8439
SHA512

cd356db98a774cd4cbabd3cd59391f64d909ac588ea55f44c5738f9b77df0b8f5fb330a4a1f3b69f990e04ec6106eda1e307540572fec351f19eba5c2482609a
SSDEEP

768:TQ0mdkhp5uL7wzzqkk7xyovudnz4uTIvb+O+bJmhitauWGy5mOSTIbs:MdkJssyk81GdzAvbMJmhC+mT0bs

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1944	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe
1944	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 2264	1944	AcroRd32.exe	91
PID 1944 wrote to memory of 2264	1944	AcroRd32.exe	91
PID 1944 wrote to memory of 2264	1944	AcroRd32.exe	91
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4964	2264	RdrCEF.exe	93
PID 2264 wrote to memory of 4728	2264	RdrCEF.exe	94
PID 2264 wrote to memory of 4728	2264	RdrCEF.exe	94
PID 2264 wrote to memory of 4728	2264	RdrCEF.exe	94
PID 2264 wrote to memory of 4728	2264	RdrCEF.exe	94
PID 2264 wrote to memory of 4728	2264	RdrCEF.exe	94
PID 2264 wrote to memory of 4728	2264	RdrCEF.exe	94
PID 2264 wrote to memory of 4728	2264	RdrCEF.exe	94
PID 2264 wrote to memory of 4728	2264	RdrCEF.exe	94
PID 2264 wrote to memory of 4728	2264	RdrCEF.exe	94
PID 2264 wrote to memory of 4728	2264	RdrCEF.exe	94
PID 2264 wrote to memory of 4728	2264	RdrCEF.exe	94
PID 2264 wrote to memory of 4728	2264	RdrCEF.exe	94
PID 2264 wrote to memory of 4728	2264	RdrCEF.exe	94
PID 2264 wrote to memory of 4728	2264	RdrCEF.exe	94
PID 2264 wrote to memory of 4728	2264	RdrCEF.exe	94
PID 2264 wrote to memory of 4728	2264	RdrCEF.exe	94
PID 2264 wrote to memory of 4728	2264	RdrCEF.exe	94
PID 2264 wrote to memory of 4728	2264	RdrCEF.exe	94
PID 2264 wrote to memory of 4728	2264	RdrCEF.exe	94
PID 2264 wrote to memory of 4728	2264	RdrCEF.exe	94

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\857e7fc337cfff2401a4abb10975bbaf.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:1944
- 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:2264
- - 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=549427FB9CF7BF3F231898015010501E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4964
- - 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=F1D5E21A36D154480E69C8AAED9224C3 --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=F1D5E21A36D154480E69C8AAED9224C3 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4728
- - 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=300F93D9D26686F1CAC884AA02DB5C6E --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2444
- - 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=4EAD1D99C4EF228B5C80CE76131CB045 --mojo-platform-channel-handle=2356 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:812
- - 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=0C8F0E606D9DC9E1EA0F8645CC8BA11D --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=0C8F0E606D9DC9E1EA0F8645CC8BA11D --renderer-client-id=6 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1656
- - 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=B7AF19CE7617EDADFE64956781CA66BD --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3736

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:916

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
11f82d30e4beaaf919a81cd4efcedd77

SHA1
a815cb7100a8b75d94a6747dffe39dba25a420d0

SHA256
3ab3c48654ebaf2eff8282d4ed9fc1d6095c75be0b0f22716fc1eb8862cccc3d

SHA512
3f82bf9963449387153f6f534d06fbe86e2999a59f3b606af93b32081c8b97c3598a89e5fb2f6e619e466cbe05bdb26e35115deaad45ceb63e303ef2df01d78b

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit