2db62ea9cab5affe68b04f0c8d5625df3e120e9cf21a52176bc87a5de439f867

Analysis

max time kernel
141s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
19-07-2023 14:15

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General

Target

Enterprise_alamo_national_partnership.pdf
Size

2.5MB
MD5

19f5a15afbbc3c54b82f1ac0bb5610bd
SHA1

eb4773f0f1fe243b5569050272f44412bba0dbce
SHA256

2db62ea9cab5affe68b04f0c8d5625df3e120e9cf21a52176bc87a5de439f867
SHA512

1f12a3991ba9f3454e4b1cad58ee367d4c5074cc48eebcfbb7da7db877ad609bae14ab95085274daa624348a5d5698648494542c1f33d2779b2a857d9bec9491
SSDEEP

49152:q0glCJdY7cHPoFVkGNJLosf8b9DN5X2nuIr8QDAo/FLr3pnXadM48p:q0g0bYQHwFVj7oskbtTs9btXDp

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-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2208	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 4408	2208	AcroRd32.exe	92
PID 2208 wrote to memory of 4408	2208	AcroRd32.exe	92
PID 2208 wrote to memory of 4408	2208	AcroRd32.exe	92
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 1236	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 4848	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 4848	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 4848	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 4848	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 4848	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 4848	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 4848	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 4848	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 4848	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 4848	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 4848	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 4848	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 4848	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 4848	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 4848	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 4848	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 4848	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 4848	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 4848	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 4848	4408	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\Enterprise_alamo_national_partnership.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:2208
- 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:4408
- - 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=E86C537B082B509EE93B09B8986E492C --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1236
- - 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=F5DF4604DAFF06436C23066C939C6582 --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=F5DF4604DAFF06436C23066C939C6582 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4848
- - 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=2BB7391514449C739D14246F6975D81C --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=2BB7391514449C739D14246F6975D81C --renderer-client-id=4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1068
- - 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=44CCDF0DA0F20201C467194D0DEC9F6C --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1572
- - 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=6B5DF7E3F66B83C66FB2E934BB39FE91 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:740
- - 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=AF9CB95F1B859F546ADDC6DDB4B4541D --mojo-platform-channel-handle=2524 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3312

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1128

Network

MITRE ATT&CK Enterprise v6

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

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

Filesize
64KB

MD5
606560886de2cb637d19ef839a204d4a

SHA1
075c87a87ccd88a8d9c2f126006d1dfb69b5bf1b

SHA256
ebcabd9637770364ba27f8c2b652e4af3ff725e64adcce3c2ee04ef6a0fbc014

SHA512
2554e6e99a8fdca042c5a070c5a362dcf959ae8c131090c4a0ad8af8cc9b5443ad0c1881f5db370d577e2c68600324cc34f96bc09969a5ebdaa25b9941e49089

Download Submit