b0523c2b7ac08e53ec8868e1c1e7575905a43ab3a3be92b259d299233b919291

General

Target

Document_37_Dec1.html
Size

221KB
MD5

3be804323d8ab42ec08a0d4422610087
SHA1

9ecd7fc9ac30ee972ef5437ba822d09c840205ee
SHA256

b0523c2b7ac08e53ec8868e1c1e7575905a43ab3a3be92b259d299233b919291
SHA512

5bcb5c6f1b4ee8bf75747285a7daa3102be6ce9c3587f88ea8e9fea3b2f68485813ca3c321e4730862cb3ad7cf02dd38f5eb8ca1c0ede31554930c00f54acc76
SSDEEP

6144:Qih/ffNwPfOD9NuUNSem3N/DkSf3Yx1VJSxt+ooYuwps:PfNwXxYoAK3Yx3JSxcYZs

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 5 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

firefox.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	firefox.exe

Modifies registry class 1 IoCs

Processes:

firefox.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings firefox.exe
NTFS ADS 1 IoCs

Processes:

firefox.exe

description ioc process

File created C:\Users\Admin\AppData\Local\Temp\attachment.zip:Zone.Identifier firefox.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings	firefox.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\attachment.zip:Zone.Identifier	firefox.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

firefox.exe

description	pid	process
Token: SeDebugPrivilege	2296	firefox.exe
Token: SeDebugPrivilege	2296	firefox.exe
Token: SeDebugPrivilege	2296	firefox.exe
Token: SeDebugPrivilege	2296	firefox.exe
Token: SeDebugPrivilege	2296	firefox.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

firefox.exe

pid process

2296 firefox.exe
2296 firefox.exe
2296 firefox.exe
2296 firefox.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

firefox.exe

pid process

2296 firefox.exe
2296 firefox.exe
2296 firefox.exe

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

firefox.exe

pid	process
2296	firefox.exe
2296	firefox.exe
2296	firefox.exe
2296	firefox.exe
2296	firefox.exe
2296	firefox.exe
2296	firefox.exe
2296	firefox.exe
2296	firefox.exe
2296	firefox.exe
2296	firefox.exe
2296	firefox.exe
2296	firefox.exe
2296	firefox.exe
2296	firefox.exe
2296	firefox.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

firefox.exefirefox.exe

description	pid	process	target process
PID 1332 wrote to memory of 2296	1332	firefox.exe	firefox.exe
PID 1332 wrote to memory of 2296	1332	firefox.exe	firefox.exe
PID 1332 wrote to memory of 2296	1332	firefox.exe	firefox.exe
PID 1332 wrote to memory of 2296	1332	firefox.exe	firefox.exe
PID 1332 wrote to memory of 2296	1332	firefox.exe	firefox.exe
PID 1332 wrote to memory of 2296	1332	firefox.exe	firefox.exe
PID 1332 wrote to memory of 2296	1332	firefox.exe	firefox.exe
PID 1332 wrote to memory of 2296	1332	firefox.exe	firefox.exe
PID 1332 wrote to memory of 2296	1332	firefox.exe	firefox.exe
PID 2296 wrote to memory of 5092	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 5092	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1316	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1536	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1536	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1536	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1536	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1536	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1536	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1536	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1536	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1536	2296	firefox.exe	firefox.exe
PID 2296 wrote to memory of 1536	2296	firefox.exe	firefox.exe

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" C:\Users\Admin\AppData\Local\Temp\Document_37_Dec1.html
1⤵
- Suspicious use of WriteProcessMemory
PID:1332

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" C:\Users\Admin\AppData\Local\Temp\Document_37_Dec1.html
2⤵
- Checks processor information in registry
- Modifies registry class
- NTFS ADS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2296

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2296.0.498098182\811074730" -parentBuildID 20200403170909 -prefsHandle 1692 -prefMapHandle 1684 -prefsLen 1 -prefMapSize 220117 -appdir "C:\Program Files\Mozilla Firefox\browser" - 2296 "\\.\pipe\gecko-crash-server-pipe.2296" 1772 gpu
3⤵
PID:5092

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2296.3.1324198068\532069151" -childID 1 -isForBrowser -prefsHandle 2240 -prefMapHandle 2236 -prefsLen 112 -prefMapSize 220117 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 2296 "\\.\pipe\gecko-crash-server-pipe.2296" 2444 tab
3⤵
PID:1316

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2296.13.961574910\577461123" -childID 2 -isForBrowser -prefsHandle 3728 -prefMapHandle 3544 -prefsLen 1602 -prefMapSize 220117 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 2296 "\\.\pipe\gecko-crash-server-pipe.2296" 3716 tab
3⤵
PID:1536

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2296.20.948879228\1829023765" -childID 3 -isForBrowser -prefsHandle 3984 -prefMapHandle 3608 -prefsLen 7991 -prefMapSize 220117 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 2296 "\\.\pipe\gecko-crash-server-pipe.2296" 4292 tab
3⤵
PID:4896

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1256

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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