d9940beb13ca0630d5eb084e09c3130acd3a21ba3ca9bd4c9e1875b50e09e38d

Analysis

max time kernel
144s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 20:58

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General

Target

7b43457c0eac3a7da40fa78f129051d8.pdf
Size

89KB
MD5

7b43457c0eac3a7da40fa78f129051d8
SHA1

5619fac33ee82c49740eb4d4029ed7ac60b5e7a1
SHA256

d9940beb13ca0630d5eb084e09c3130acd3a21ba3ca9bd4c9e1875b50e09e38d
SHA512

152db7618d98257fd3569d559d464d3bc7d81e92638246ca8f3a309b930a24572c1b4c5648c6c5fa9e837ef05a7fb291f20a47668b2a50be698f509995237377
SSDEEP

1536:37algjXt3l0KUOLnJp0xKzZys27XVUiQ42kLW/bquZbb/4WUpO7MbzR:ygjXtlU+qxAAs27XVUi6ke7h/b7o

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3076	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3076 wrote to memory of 4928	3076	AcroRd32.exe	91
PID 3076 wrote to memory of 4928	3076	AcroRd32.exe	91
PID 3076 wrote to memory of 4928	3076	AcroRd32.exe	91
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 1284	4928	RdrCEF.exe	92
PID 4928 wrote to memory of 3856	4928	RdrCEF.exe	93
PID 4928 wrote to memory of 3856	4928	RdrCEF.exe	93
PID 4928 wrote to memory of 3856	4928	RdrCEF.exe	93
PID 4928 wrote to memory of 3856	4928	RdrCEF.exe	93
PID 4928 wrote to memory of 3856	4928	RdrCEF.exe	93
PID 4928 wrote to memory of 3856	4928	RdrCEF.exe	93
PID 4928 wrote to memory of 3856	4928	RdrCEF.exe	93
PID 4928 wrote to memory of 3856	4928	RdrCEF.exe	93
PID 4928 wrote to memory of 3856	4928	RdrCEF.exe	93
PID 4928 wrote to memory of 3856	4928	RdrCEF.exe	93
PID 4928 wrote to memory of 3856	4928	RdrCEF.exe	93
PID 4928 wrote to memory of 3856	4928	RdrCEF.exe	93
PID 4928 wrote to memory of 3856	4928	RdrCEF.exe	93
PID 4928 wrote to memory of 3856	4928	RdrCEF.exe	93
PID 4928 wrote to memory of 3856	4928	RdrCEF.exe	93
PID 4928 wrote to memory of 3856	4928	RdrCEF.exe	93
PID 4928 wrote to memory of 3856	4928	RdrCEF.exe	93
PID 4928 wrote to memory of 3856	4928	RdrCEF.exe	93
PID 4928 wrote to memory of 3856	4928	RdrCEF.exe	93
PID 4928 wrote to memory of 3856	4928	RdrCEF.exe	93

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\7b43457c0eac3a7da40fa78f129051d8.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:3076
- 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:4928
- - 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=7E054605241FEC887C32F19D19620AA3 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1284
- - 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=6CB1E5CBFDF7386C11B94E9AAF1DF106 --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=6CB1E5CBFDF7386C11B94E9AAF1DF106 --renderer-client-id=2 --mojo-platform-channel-handle=1652 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3856
- - 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=A9C217D2154A83BA7018AB27C049E099 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3104
- - 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=4B76A1AE8B01CFB4F55F91FC59B30403 --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=4B76A1AE8B01CFB4F55F91FC59B30403 --renderer-client-id=5 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2696
- - 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=76E8C7D70403E660AF39D4F8148294CE --mojo-platform-channel-handle=2668 --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=9FEAB2C21CCED96B22EB4379A01C34C7 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3992

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1260

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

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

Filesize
64KB

MD5
62219c97f03c9506c4b3253e0bcec90c

SHA1
5e7a0b6b0b47093fe42aa8558fe02fd11cc1c5f5

SHA256
a821b4f475c5e829ca768518e196513664411046e1cd05aa7fb3fdfc28096ad3

SHA512
4dd264a2ab10ed47212388b5afda4df101ed9e1261f38b3e0b906f9fbc1edbac2edf4bcf8516813d2f4e8ceabda3ff05b4259854dc2d364c5c1742718604bb7d

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
memory/3076-26-0x000000000C210000-0x000000000C260000-memory.dmp

Filesize
320KB

Download