d176601d209aa30bd9054b5a1d64129b8a1162f57593a8c5657f5fc56376c35d

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/01/2024, 11:09

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General

Target

7fb0cf3b971ee93e070c3f1e1ed4cbc0.pdf
Size

86KB
MD5

7fb0cf3b971ee93e070c3f1e1ed4cbc0
SHA1

9b9d244735f17a1969a49d1933f32f5bf93481ff
SHA256

d176601d209aa30bd9054b5a1d64129b8a1162f57593a8c5657f5fc56376c35d
SHA512

2263cac23f33029708db5f71348287d8170180bb0aeadb48ba6f05488989f1e5373e0a280111fa8b23d79cac27d79293c1c2b19943ffed05b7f6f8ff6756b868
SSDEEP

1536:bVFC9zKhg/jAhtrUvtrlaq3vxvCumKYCxti2vqxDUUuAJndXW1f79skw07/fWUpu:BFFfADm3CxtiyqoAzeLw07/y7P

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1584	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe
1584	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1584 wrote to memory of 4952	1584	AcroRd32.exe	87
PID 1584 wrote to memory of 4952	1584	AcroRd32.exe	87
PID 1584 wrote to memory of 4952	1584	AcroRd32.exe	87
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 3136	4952	RdrCEF.exe	90
PID 4952 wrote to memory of 4620	4952	RdrCEF.exe	91
PID 4952 wrote to memory of 4620	4952	RdrCEF.exe	91
PID 4952 wrote to memory of 4620	4952	RdrCEF.exe	91
PID 4952 wrote to memory of 4620	4952	RdrCEF.exe	91
PID 4952 wrote to memory of 4620	4952	RdrCEF.exe	91
PID 4952 wrote to memory of 4620	4952	RdrCEF.exe	91
PID 4952 wrote to memory of 4620	4952	RdrCEF.exe	91
PID 4952 wrote to memory of 4620	4952	RdrCEF.exe	91
PID 4952 wrote to memory of 4620	4952	RdrCEF.exe	91
PID 4952 wrote to memory of 4620	4952	RdrCEF.exe	91
PID 4952 wrote to memory of 4620	4952	RdrCEF.exe	91
PID 4952 wrote to memory of 4620	4952	RdrCEF.exe	91
PID 4952 wrote to memory of 4620	4952	RdrCEF.exe	91
PID 4952 wrote to memory of 4620	4952	RdrCEF.exe	91
PID 4952 wrote to memory of 4620	4952	RdrCEF.exe	91
PID 4952 wrote to memory of 4620	4952	RdrCEF.exe	91
PID 4952 wrote to memory of 4620	4952	RdrCEF.exe	91
PID 4952 wrote to memory of 4620	4952	RdrCEF.exe	91
PID 4952 wrote to memory of 4620	4952	RdrCEF.exe	91
PID 4952 wrote to memory of 4620	4952	RdrCEF.exe	91

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\7fb0cf3b971ee93e070c3f1e1ed4cbc0.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:1584
- 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:4952
- - 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=40046477F142D55E4A02671FD6E5F45E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3136
- - 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=6C793BA080FE5DFFD0264659FC757D7F --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=6C793BA080FE5DFFD0264659FC757D7F --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4620
- - 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=8A26378FE6DBD3643D6FBCCDE63A45E5 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=56168361711743B8385F9A9B59889AF1 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3720
- - 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=BF0B9642AC1AE315C3FFB36901A2F382 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2312
- - 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=C617BA558901D0A2161EA3F74259AF3B --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=C617BA558901D0A2161EA3F74259AF3B --renderer-client-id=8 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1420

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3760

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
af6275ff0134f9199e7d2a137f138b40

SHA1
5dfb691ad0e413992bfe4cf0ae1af12440bcaec2

SHA256
98cbae319003bb88f7cb39929e3318ec84c7812269814eaace0e921daf5eacaf

SHA512
e905cf5ba5d51c64fed67f07e3e00c77e64eca1b7e9e6b843c5010ed7ef66e3fa48174418edd45d0b886ac0baddbd4dec9bfd901543d7caa697f5a44438bd667

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/1584-26-0x000000000C5F0000-0x000000000C640000-memory.dmp

Filesize
320KB

Download