tinba | b5fa9a08ad2bbf6f1fb963f3476bdd2de8896d29611fc3f2938f85e3788c6b18

General

Target

871262eccb223ab98ea9d3562912965a_JaffaCakes118.exe
Size

160KB
MD5

871262eccb223ab98ea9d3562912965a
SHA1

7859a9dbff57bebe88865ef8d036426247457068
SHA256

b5fa9a08ad2bbf6f1fb963f3476bdd2de8896d29611fc3f2938f85e3788c6b18
SHA512

b632d8b37d0b09bc0310ab78974c9d7b19bd867470e3d4dbe7c8a847c4ced0021372880c1716db1c2e6dcc8511ab7bea91a03fe3c56b9ec6c74b201f5b920e48
SSDEEP

1536:BEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:KY+4MiIkLZJNAQ9J6v

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\382F3695 = "C:\\Users\\Admin\\AppData\\Roaming\\382F3695\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1220-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3612	956	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 2 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	871262eccb223ab98ea9d3562912965a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 1 IoCs

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
956	winver.exe
956	winver.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
956	winver.exe
3424	Explorer.EXE
3424	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3424	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1220 wrote to memory of 956	1220	871262eccb223ab98ea9d3562912965a_JaffaCakes118.exe	85
PID 1220 wrote to memory of 956	1220	871262eccb223ab98ea9d3562912965a_JaffaCakes118.exe	85
PID 1220 wrote to memory of 956	1220	871262eccb223ab98ea9d3562912965a_JaffaCakes118.exe	85
PID 1220 wrote to memory of 956	1220	871262eccb223ab98ea9d3562912965a_JaffaCakes118.exe	85
PID 956 wrote to memory of 3424	956	winver.exe	56
PID 956 wrote to memory of 3044	956	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3044

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3424
- C:\Users\Admin\AppData\Local\Temp\871262eccb223ab98ea9d3562912965a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\871262eccb223ab98ea9d3562912965a_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1220
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:956
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 956 -s 352
      4⤵
      Program crash
      PID:3612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 956 -ip 956
1⤵
PID:4796

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

Replay Monitor

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Downloads

memory/956-5-0x0000000077662000-0x0000000077663000-memory.dmp

Filesize
4KB

Download
memory/956-17-0x0000000000A60000-0x0000000000A66000-memory.dmp

Filesize
24KB

Download
memory/956-14-0x0000000000A60000-0x0000000000A66000-memory.dmp

Filesize
24KB

Download
memory/956-7-0x00007FFA668F0000-0x00007FFA66AE5000-memory.dmp

Filesize
2.0MB

Download
memory/1220-4-0x0000000002160000-0x0000000002B60000-memory.dmp

Filesize
10.0MB

Download
memory/1220-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1220-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1220-10-0x0000000002160000-0x0000000002B60000-memory.dmp

Filesize
10.0MB

Download
memory/1220-1-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/3044-16-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/3044-19-0x00007FFA66B10000-0x00007FFA66B11000-memory.dmp

Filesize
4KB

Download
memory/3424-6-0x00007FFA6698D000-0x00007FFA6698E000-memory.dmp

Filesize
4KB

Download
memory/3424-3-0x0000000002900000-0x0000000002906000-memory.dmp

Filesize
24KB

Download
memory/3424-11-0x00007FFA66B20000-0x00007FFA66B21000-memory.dmp

Filesize
4KB

Download
memory/3424-12-0x00007FFA66B00000-0x00007FFA66B01000-memory.dmp

Filesize
4KB

Download
memory/3424-2-0x0000000002900000-0x0000000002906000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads