eeca9db178d4d3e90c1e1d87787781caddefe5b28be8f72d58dcce27d69aa5cc

Analysis

max time kernel
81s
max time network
83s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
01/06/2023, 16:33

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General

Target

=?UTF-8?B?UHJvamVjdEZ1bmRpbmctMTQ4NTM2MTEzMS1KdW4wMS5wZGY=?=.pdf
Size

126KB
MD5

22ca3bbcefa89a79d7011531beeabd00
SHA1

1bc600eba50904ebcd17f2f3220ff88731905244
SHA256

eeca9db178d4d3e90c1e1d87787781caddefe5b28be8f72d58dcce27d69aa5cc
SHA512

d5b4bc20053e90b3060c2598418165cbc8fe115fd55dd77bcddadb3ebef862fe1de83d5a8d3ae2fcd203551bc39b8acc659139eb87be508c239a23972426b725
SSDEEP

1536:Adcs2Uwcs9ucsBcsRmcs0KcsHFb2AW2oERLYm3RT3MSLVMXLHtSR1GWBZD7p8VbF:A4HPCYLrMeVoHtSXGml6nizG

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-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4284	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe
4284	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4284 wrote to memory of 1288	4284	AcroRd32.exe	81
PID 4284 wrote to memory of 1288	4284	AcroRd32.exe	81
PID 4284 wrote to memory of 1288	4284	AcroRd32.exe	81
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 316	1288	RdrCEF.exe	82
PID 1288 wrote to memory of 4268	1288	RdrCEF.exe	83
PID 1288 wrote to memory of 4268	1288	RdrCEF.exe	83
PID 1288 wrote to memory of 4268	1288	RdrCEF.exe	83
PID 1288 wrote to memory of 4268	1288	RdrCEF.exe	83
PID 1288 wrote to memory of 4268	1288	RdrCEF.exe	83
PID 1288 wrote to memory of 4268	1288	RdrCEF.exe	83
PID 1288 wrote to memory of 4268	1288	RdrCEF.exe	83
PID 1288 wrote to memory of 4268	1288	RdrCEF.exe	83
PID 1288 wrote to memory of 4268	1288	RdrCEF.exe	83
PID 1288 wrote to memory of 4268	1288	RdrCEF.exe	83
PID 1288 wrote to memory of 4268	1288	RdrCEF.exe	83
PID 1288 wrote to memory of 4268	1288	RdrCEF.exe	83
PID 1288 wrote to memory of 4268	1288	RdrCEF.exe	83
PID 1288 wrote to memory of 4268	1288	RdrCEF.exe	83
PID 1288 wrote to memory of 4268	1288	RdrCEF.exe	83
PID 1288 wrote to memory of 4268	1288	RdrCEF.exe	83
PID 1288 wrote to memory of 4268	1288	RdrCEF.exe	83
PID 1288 wrote to memory of 4268	1288	RdrCEF.exe	83

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\=_UTF-8_B_UHJvamVjdEZ1bmRpbmctMTQ4NTM2MTEzMS1KdW4wMS5wZGY=_=.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:4284
- 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:1288
- - 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=A3D554ADEFC886E2384552C4BFB171E8 --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=2 --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=A3D554ADEFC886E2384552C4BFB171E8 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:316
- - 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=FE6C4EFBDB2F1C85F8F6193B3B58207C --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4268
- - 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=CF21730E9627534483756AFEB37CD418 --mojo-platform-channel-handle=1996 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=7BA42C05E1C0493148AFAEE2B7B59D8D --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=2 --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=7BA42C05E1C0493148AFAEE2B7B59D8D --renderer-client-id=5 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2524
- - 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=2EE902D38BF3AC0F03F82CEF68D6214E --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2660
- - 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=709155B1B07D903D065FEE79EDB280CD --mojo-platform-channel-handle=2784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4956

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

Loading Replay Monitor...

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
03ad2d6534f7ce832a899b4eb26ae8e6

SHA1
2860a6191f48fe8a0a2bb9f81c206793a47eaea5

SHA256
ef39a0155bd425dfb90a6a941195c86120ebbc77c91639e8317cea3d5f14a486

SHA512
0320258119651c7eb4c7c79e240d1422b22067509353e858d7945363689cd0d253a34fe8703501f29b643c9a76849e3781ccffbd88871348fc7504f91b0eef6b

Download Submit
memory/4284-259-0x000000000AE80000-0x000000000AEA1000-memory.dmp

Filesize
132KB

Download