db2c557a428446fc053005075800d6107eb3664eecb95ce393e5b5ea511ee647

General

Target

db2c557a428446fc053005075800d6107eb3664eecb95ce393e5b5ea511ee647.exe
Size

401KB
MD5

60632a21bdc4e01d73832e6e80ddbf7b
SHA1

4f5872f2e00662c129b0b7e541cd78862db3461c
SHA256

db2c557a428446fc053005075800d6107eb3664eecb95ce393e5b5ea511ee647
SHA512

a97ecd3ddd0243cd023ec56c816c0adf11cb85a2aded0c3201a19117726808ec667af0d06ef51c629c6e5867e6ba7567e3fda80c3016bc6ac13a77ec1d49c732
SSDEEP

3072:kx4ITM48SDZSBreHTNVujO/JVUSO2tmmXVhF26:4MFBqHTNEjO/JqC2

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Firefox.exe

pid process

920 Firefox.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1868 netsh.exe

pid	process
920	Firefox.exe

pid	process
1868	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Firefox.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\0e3d1529a158ba6db2fcfe58fb321719 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Firefox.exe\" .."	Firefox.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0e3d1529a158ba6db2fcfe58fb321719 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Firefox.exe\" .."	Firefox.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 22 IoCs

Processes:

db2c557a428446fc053005075800d6107eb3664eecb95ce393e5b5ea511ee647.exeFirefox.exe

description	pid	process
Token: SeDebugPrivilege	472	db2c557a428446fc053005075800d6107eb3664eecb95ce393e5b5ea511ee647.exe
Token: 33	472	db2c557a428446fc053005075800d6107eb3664eecb95ce393e5b5ea511ee647.exe
Token: SeIncBasePriorityPrivilege	472	db2c557a428446fc053005075800d6107eb3664eecb95ce393e5b5ea511ee647.exe
Token: SeDebugPrivilege	920	Firefox.exe
Token: 33	920	Firefox.exe
Token: SeIncBasePriorityPrivilege	920	Firefox.exe
Token: 33	920	Firefox.exe
Token: SeIncBasePriorityPrivilege	920	Firefox.exe
Token: 33	920	Firefox.exe
Token: SeIncBasePriorityPrivilege	920	Firefox.exe
Token: 33	920	Firefox.exe
Token: SeIncBasePriorityPrivilege	920	Firefox.exe
Token: 33	920	Firefox.exe
Token: SeIncBasePriorityPrivilege	920	Firefox.exe
Token: 33	920	Firefox.exe
Token: SeIncBasePriorityPrivilege	920	Firefox.exe
Token: 33	920	Firefox.exe
Token: SeIncBasePriorityPrivilege	920	Firefox.exe
Token: 33	920	Firefox.exe
Token: SeIncBasePriorityPrivilege	920	Firefox.exe
Token: 33	920	Firefox.exe
Token: SeIncBasePriorityPrivilege	920	Firefox.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

db2c557a428446fc053005075800d6107eb3664eecb95ce393e5b5ea511ee647.exeFirefox.exe

description	pid	process	target process
PID 472 wrote to memory of 920	472	db2c557a428446fc053005075800d6107eb3664eecb95ce393e5b5ea511ee647.exe	Firefox.exe
PID 472 wrote to memory of 920	472	db2c557a428446fc053005075800d6107eb3664eecb95ce393e5b5ea511ee647.exe	Firefox.exe
PID 472 wrote to memory of 920	472	db2c557a428446fc053005075800d6107eb3664eecb95ce393e5b5ea511ee647.exe	Firefox.exe
PID 920 wrote to memory of 1868	920	Firefox.exe	netsh.exe
PID 920 wrote to memory of 1868	920	Firefox.exe	netsh.exe
PID 920 wrote to memory of 1868	920	Firefox.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\db2c557a428446fc053005075800d6107eb3664eecb95ce393e5b5ea511ee647.exe
"C:\Users\Admin\AppData\Local\Temp\db2c557a428446fc053005075800d6107eb3664eecb95ce393e5b5ea511ee647.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:472

C:\Users\Admin\AppData\Local\Temp\Firefox.exe
"C:\Users\Admin\AppData\Local\Temp\Firefox.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:920

C:\Windows\system32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Firefox.exe" "Firefox.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1868

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Firefox.exe
Filesize
401KB

MD5
60632a21bdc4e01d73832e6e80ddbf7b

SHA1
4f5872f2e00662c129b0b7e541cd78862db3461c

SHA256
db2c557a428446fc053005075800d6107eb3664eecb95ce393e5b5ea511ee647

SHA512
a97ecd3ddd0243cd023ec56c816c0adf11cb85a2aded0c3201a19117726808ec667af0d06ef51c629c6e5867e6ba7567e3fda80c3016bc6ac13a77ec1d49c732

Download Submit
C:\Users\Admin\AppData\Local\Temp\Firefox.exe
Filesize
401KB

MD5
60632a21bdc4e01d73832e6e80ddbf7b

SHA1
4f5872f2e00662c129b0b7e541cd78862db3461c

SHA256
db2c557a428446fc053005075800d6107eb3664eecb95ce393e5b5ea511ee647

SHA512
a97ecd3ddd0243cd023ec56c816c0adf11cb85a2aded0c3201a19117726808ec667af0d06ef51c629c6e5867e6ba7567e3fda80c3016bc6ac13a77ec1d49c732

Download Submit
memory/472-54-0x000007FEF3BC0000-0x000007FEF45E3000-memory.dmp

Filesize
10.1MB

Download
memory/472-55-0x000007FEF28E0000-0x000007FEF3976000-memory.dmp

Filesize
16.6MB

Download
memory/472-56-0x000007FEFBEE1000-0x000007FEFBEE3000-memory.dmp

Filesize
8KB

Download
memory/920-57-0x0000000000000000-mapping.dmp

Download
memory/920-60-0x000007FEF3BC0000-0x000007FEF45E3000-memory.dmp

Filesize
10.1MB

Download
memory/920-61-0x000007FEF28E0000-0x000007FEF3976000-memory.dmp

Filesize
16.6MB

Download
memory/1868-62-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads