cf083bd90a42a5605655d61033a70692e923e74d4fa02db007de6ec29b0b120d

Analysis

max time kernel
154s
max time network
178s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2022 07:42

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General

Target

cf083bd90a42a5605655d61033a70692e923e74d4fa02db007de6ec29b0b120d.exe
Size

139KB
MD5

0e9c8130006d051c003b9e1645942bec
SHA1

bc6acf4a3213186fbf5da2aa03af8eabf7d9a9ad
SHA256

cf083bd90a42a5605655d61033a70692e923e74d4fa02db007de6ec29b0b120d
SHA512

585da07035b0094fb870e89837c3f5292251029d17af3dd55fabde52f08e02b97d061fa40f9b58857c08d793cd87cfe66e0a9cc2ef09729ca17d4dadef4e8a46
SSDEEP

3072:/EMeZ+upo0psX0nVqVx2UuREoH8zYnBLN5Hj:6kF00gUx2DuoUYnBL

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	cf083bd90a42a5605655d61033a70692e923e74d4fa02db007de6ec29b0b120d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wmplayer = "C:\\MessengerPlus\\mplayer2.exe"	cf083bd90a42a5605655d61033a70692e923e74d4fa02db007de6ec29b0b120d.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4488	3132	WerFault.exe	80

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Download\RunInvalidSignatures = "00000001"	cf083bd90a42a5605655d61033a70692e923e74d4fa02db007de6ec29b0b120d.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Download	cf083bd90a42a5605655d61033a70692e923e74d4fa02db007de6ec29b0b120d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	cf083bd90a42a5605655d61033a70692e923e74d4fa02db007de6ec29b0b120d.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	msedge.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2248	msedge.exe
2248	msedge.exe
1584	msedge.exe
1584	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs

pid	Process
1584	msedge.exe
1584	msedge.exe
1584	msedge.exe
1584	msedge.exe
1584	msedge.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1584	msedge.exe
1584	msedge.exe
1584	msedge.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3132	cf083bd90a42a5605655d61033a70692e923e74d4fa02db007de6ec29b0b120d.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3132 wrote to memory of 1584	3132	cf083bd90a42a5605655d61033a70692e923e74d4fa02db007de6ec29b0b120d.exe	85
PID 3132 wrote to memory of 1584	3132	cf083bd90a42a5605655d61033a70692e923e74d4fa02db007de6ec29b0b120d.exe	85
PID 1584 wrote to memory of 2756	1584	msedge.exe	86
PID 1584 wrote to memory of 2756	1584	msedge.exe	86
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 4268	1584	msedge.exe	89
PID 1584 wrote to memory of 2248	1584	msedge.exe	90
PID 1584 wrote to memory of 2248	1584	msedge.exe	90
PID 1584 wrote to memory of 3828	1584	msedge.exe	91
PID 1584 wrote to memory of 3828	1584	msedge.exe	91
PID 1584 wrote to memory of 3828	1584	msedge.exe	91
PID 1584 wrote to memory of 3828	1584	msedge.exe	91
PID 1584 wrote to memory of 3828	1584	msedge.exe	91
PID 1584 wrote to memory of 3828	1584	msedge.exe	91
PID 1584 wrote to memory of 3828	1584	msedge.exe	91
PID 1584 wrote to memory of 3828	1584	msedge.exe	91
PID 1584 wrote to memory of 3828	1584	msedge.exe	91
PID 1584 wrote to memory of 3828	1584	msedge.exe	91
PID 1584 wrote to memory of 3828	1584	msedge.exe	91
PID 1584 wrote to memory of 3828	1584	msedge.exe	91
PID 1584 wrote to memory of 3828	1584	msedge.exe	91
PID 1584 wrote to memory of 3828	1584	msedge.exe	91
PID 1584 wrote to memory of 3828	1584	msedge.exe	91
PID 1584 wrote to memory of 3828	1584	msedge.exe	91
PID 1584 wrote to memory of 3828	1584	msedge.exe	91
PID 1584 wrote to memory of 3828	1584	msedge.exe	91

C:\Users\Admin\AppData\Local\Temp\cf083bd90a42a5605655d61033a70692e923e74d4fa02db007de6ec29b0b120d.exe
"C:\Users\Admin\AppData\Local\Temp\cf083bd90a42a5605655d61033a70692e923e74d4fa02db007de6ec29b0b120d.exe"
1⤵
- Adds Run key to start application
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3132
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3132 -s 392
  2⤵
  - Program crash
  PID:4488
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.youtube.com/watch?v=gOO_UqzEc5Y
  2⤵
  - Enumerates system info in registry
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:1584
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffaa43a46f8,0x7ffaa43a4708,0x7ffaa43a4718
    3⤵
    PID:2756
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2128,7753582315870558145,4423462964399625382,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2180 /prefetch:2
    3⤵
    PID:4268
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2128,7753582315870558145,4423462964399625382,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2232 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:2248
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2128,7753582315870558145,4423462964399625382,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2664 /prefetch:8
    3⤵
    PID:3828
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,7753582315870558145,4423462964399625382,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3280 /prefetch:1
    3⤵
    PID:4552
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,7753582315870558145,4423462964399625382,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3300 /prefetch:1
    3⤵
    PID:1000
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2128,7753582315870558145,4423462964399625382,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4892 /prefetch:8
    3⤵
    PID:1768
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2128,7753582315870558145,4423462964399625382,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5588 /prefetch:8
    3⤵
    PID:3856
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,7753582315870558145,4423462964399625382,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5664 /prefetch:1
    3⤵
    PID:2600
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,7753582315870558145,4423462964399625382,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5116 /prefetch:1
    3⤵
    PID:1548
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,7753582315870558145,4423462964399625382,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5968 /prefetch:1
    3⤵
    PID:4332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3132 -ip 3132
1⤵
PID:4560

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3428

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

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

memory/3132-139-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3132-133-0x00000000006C0000-0x0000000000706000-memory.dmp

Filesize
280KB

Download
memory/3132-137-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3132-132-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3132-136-0x00000000006C0000-0x0000000000706000-memory.dmp

Filesize
280KB

Download