tinba | 4ad406b6e4bb89e3f8e3778aac25abd6ba02330480aa5769d689c87737083f71

General

Target

cfc25902697dc254bd83fc9c75722270_JaffaCakes118.exe
Size

167KB
MD5

cfc25902697dc254bd83fc9c75722270
SHA1

9a7657ad5c6d4b8d4e8f8b33d0532906af23325c
SHA256

4ad406b6e4bb89e3f8e3778aac25abd6ba02330480aa5769d689c87737083f71
SHA512

b2294cc83c6d06f10a431678e72d32201be5bbc970473ab6afb6f7e2b5fec4b594d840500764a73556286aabd18ec37076ddba99ab634ab4efedcc94fadb78db
SSDEEP

3072:neva8lOsLXBuwOJKPy9tknHrtU5pT5lEauFOc6AqauLyRK5PKGVB4MzeL:Sll2kHrtWPEhOcVRo

Score

10^/10

tinba banker discovery persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\949D6AD9 = "C:\\Users\\Admin\\AppData\\Roaming\\949D6AD9\\bin.exe"	EXPLORER.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4648 set thread context of 4060	4648	cfc25902697dc254bd83fc9c75722270_JaffaCakes118.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4404	3168	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cfc25902697dc254bd83fc9c75722270_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cfc25902697dc254bd83fc9c75722270_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXPLORER.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3168	EXPLORER.exe
3168	EXPLORER.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4648 wrote to memory of 4060	4648	cfc25902697dc254bd83fc9c75722270_JaffaCakes118.exe	82
PID 4648 wrote to memory of 4060	4648	cfc25902697dc254bd83fc9c75722270_JaffaCakes118.exe	82
PID 4648 wrote to memory of 4060	4648	cfc25902697dc254bd83fc9c75722270_JaffaCakes118.exe	82
PID 4648 wrote to memory of 4060	4648	cfc25902697dc254bd83fc9c75722270_JaffaCakes118.exe	82
PID 4648 wrote to memory of 4060	4648	cfc25902697dc254bd83fc9c75722270_JaffaCakes118.exe	82
PID 4648 wrote to memory of 4060	4648	cfc25902697dc254bd83fc9c75722270_JaffaCakes118.exe	82
PID 4648 wrote to memory of 4060	4648	cfc25902697dc254bd83fc9c75722270_JaffaCakes118.exe	82
PID 4060 wrote to memory of 3168	4060	cfc25902697dc254bd83fc9c75722270_JaffaCakes118.exe	83
PID 4060 wrote to memory of 3168	4060	cfc25902697dc254bd83fc9c75722270_JaffaCakes118.exe	83
PID 4060 wrote to memory of 3168	4060	cfc25902697dc254bd83fc9c75722270_JaffaCakes118.exe	83
PID 4060 wrote to memory of 3168	4060	cfc25902697dc254bd83fc9c75722270_JaffaCakes118.exe	83
PID 3168 wrote to memory of 2244	3168	EXPLORER.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2244

C:\Users\Admin\AppData\Local\Temp\cfc25902697dc254bd83fc9c75722270_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cfc25902697dc254bd83fc9c75722270_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4648
- C:\Users\Admin\AppData\Local\Temp\cfc25902697dc254bd83fc9c75722270_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\cfc25902697dc254bd83fc9c75722270_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4060
- - C:\Windows\SysWOW64\EXPLORER.exe
    EXPLORER
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3168
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3168 -s 804
      4⤵
      Program crash
      PID:4404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3168 -ip 3168
1⤵
PID:2928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2244-17-0x00007FFF8958D000-0x00007FFF8958E000-memory.dmp

Filesize
4KB

Download
memory/2244-16-0x0000000000980000-0x0000000000987000-memory.dmp

Filesize
28KB

Download
memory/2244-15-0x0000000000980000-0x0000000000987000-memory.dmp

Filesize
28KB

Download
memory/3168-9-0x0000000000A60000-0x0000000000E93000-memory.dmp

Filesize
4.2MB

Download
memory/3168-18-0x0000000000900000-0x0000000000907000-memory.dmp

Filesize
28KB

Download
memory/3168-12-0x0000000000900000-0x0000000000907000-memory.dmp

Filesize
28KB

Download
memory/3168-8-0x0000000000B43000-0x0000000000B44000-memory.dmp

Filesize
4KB

Download
memory/4060-10-0x00000000010B0000-0x0000000001AB0000-memory.dmp

Filesize
10.0MB

Download
memory/4060-6-0x00000000010B0000-0x0000000001AB0000-memory.dmp

Filesize
10.0MB

Download
memory/4060-7-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4648-0-0x0000000074DF2000-0x0000000074DF3000-memory.dmp

Filesize
4KB

Download
memory/4648-5-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/4648-4-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/4648-2-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/4648-1-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads