d6bcf1f9bec570288bb1e23f2aa7e65206514f6ec95a114dd9f3542ac048a9fa

Analysis

max time kernel
141s
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
26-12-2023 14:57

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General

Target

77505ff8894c03cc4184de3fa14d2fa8.pdf
Size

85KB
MD5

77505ff8894c03cc4184de3fa14d2fa8
SHA1

e4bdca4821162f21b9de33b1b4b2fb494e4906cb
SHA256

d6bcf1f9bec570288bb1e23f2aa7e65206514f6ec95a114dd9f3542ac048a9fa
SHA512

1497afde10da256453f89c9eb150e43529fa698248673f9afc86f61fbc938044b707ed2c4a578e71f130a570c574672c34641bc5c85d682c799e59afe1dc8dda
SSDEEP

1536:QxmGoVTLEAPMh7XDzUT7OE/59fr2vTI0rjDDUxPOS38pWMazbeWQpOCtUIE:Vyh3An39ivT1rjDDUxn38AzbRCm

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4716	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe
4716	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4716 wrote to memory of 1032	4716	AcroRd32.exe	92
PID 4716 wrote to memory of 1032	4716	AcroRd32.exe	92
PID 4716 wrote to memory of 1032	4716	AcroRd32.exe	92
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 4336	1032	RdrCEF.exe	93
PID 1032 wrote to memory of 1228	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 1228	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 1228	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 1228	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 1228	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 1228	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 1228	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 1228	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 1228	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 1228	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 1228	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 1228	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 1228	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 1228	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 1228	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 1228	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 1228	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 1228	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 1228	1032	RdrCEF.exe	94
PID 1032 wrote to memory of 1228	1032	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\77505ff8894c03cc4184de3fa14d2fa8.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:4716
- 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:1032
- - 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=B138E1A440AEEB0BB078148B57DC63F8 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4336
- - 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=8B8156AFEBA2ADC72785BA1B904A8DF3 --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=8B8156AFEBA2ADC72785BA1B904A8DF3 --renderer-client-id=2 --mojo-platform-channel-handle=1680 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1228
- - 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=38FEC088CAB6CCF2FC7F1130E25FD2F1 --mojo-platform-channel-handle=2144 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3032
- - 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=F8E4E86111C3F3C29CD988726499C342 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2892
- - 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=BF42AD0119F62825AF790476656FE6D3 --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=BF42AD0119F62825AF790476656FE6D3 --renderer-client-id=6 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2152
- - 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=2AA84596CD25286C54EB71AAA8CEB8DF --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1580

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
a39e1169b5486859a4222ac7606508d1

SHA1
80fe2f88942fc0ea53d78b890de749bd4f045901

SHA256
ffa584011f6697f209ffb9e6212f7222d181ab26812df3d2414f6b8eb9150a97

SHA512
404ac4a5b5bb4b7faf4333d14da1b93529b72de298aa5cebead2ac947d627e3641c53947b7d17ecf10d9eac173d544744d09cf793c737d9131a53cb010c32782

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/4716-26-0x000000000BC10000-0x000000000BC60000-memory.dmp

Filesize
320KB

Download