tinba | 79881ab37c38e47907f0d0d802c4cf752ae2922464459cc215b308ddccf4bc80

General

Target

b3d41d51773b6d8bd1c087dbd4bbd2df_JaffaCakes118.exe
Size

96KB
MD5

b3d41d51773b6d8bd1c087dbd4bbd2df
SHA1

7c3bd5f56ab707c2b673e2dfa7f5bfbf661e8fdb
SHA256

79881ab37c38e47907f0d0d802c4cf752ae2922464459cc215b308ddccf4bc80
SHA512

da18e175eee62c57cacf0c0f31ed2f5e8fd5896e5002378c696f6eb1df0f377117e4d7a71e49098de259028729921f7a43ecfce14aad37c864a9aa4b08a7f50b
SSDEEP

1536:HiLOvRmmQegJW3aOgBbmAQ256/ZrwWnwqjhurmKFct:HiyvRmQKTLs/ZrwWJjAqGct

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

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-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\97BBC165 = "C:\\Users\\Admin\\AppData\\Roaming\\97BBC165\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4384	2040	WerFault.exe	84

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b3d41d51773b6d8bd1c087dbd4bbd2df_JaffaCakes118.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
2040	winver.exe
2040	winver.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3572	Explorer.EXE
Token: SeCreatePagefilePrivilege	3572	Explorer.EXE
Token: SeShutdownPrivilege	3572	Explorer.EXE
Token: SeCreatePagefilePrivilege	3572	Explorer.EXE
Token: SeShutdownPrivilege	3572	Explorer.EXE
Token: SeCreatePagefilePrivilege	3572	Explorer.EXE
Token: SeShutdownPrivilege	3572	Explorer.EXE
Token: SeCreatePagefilePrivilege	3572	Explorer.EXE
Token: SeShutdownPrivilege	3572	Explorer.EXE
Token: SeCreatePagefilePrivilege	3572	Explorer.EXE
Token: SeShutdownPrivilege	3572	Explorer.EXE
Token: SeCreatePagefilePrivilege	3572	Explorer.EXE
Token: SeShutdownPrivilege	3572	Explorer.EXE
Token: SeCreatePagefilePrivilege	3572	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2040	winver.exe
3572	Explorer.EXE
3572	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3572	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1052 wrote to memory of 2040	1052	b3d41d51773b6d8bd1c087dbd4bbd2df_JaffaCakes118.exe	84
PID 1052 wrote to memory of 2040	1052	b3d41d51773b6d8bd1c087dbd4bbd2df_JaffaCakes118.exe	84
PID 1052 wrote to memory of 2040	1052	b3d41d51773b6d8bd1c087dbd4bbd2df_JaffaCakes118.exe	84
PID 1052 wrote to memory of 2040	1052	b3d41d51773b6d8bd1c087dbd4bbd2df_JaffaCakes118.exe	84
PID 2040 wrote to memory of 3572	2040	winver.exe	56
PID 2040 wrote to memory of 2564	2040	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2564

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:3572
- C:\Users\Admin\AppData\Local\Temp\b3d41d51773b6d8bd1c087dbd4bbd2df_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b3d41d51773b6d8bd1c087dbd4bbd2df_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1052
- - 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:2040
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 352
      4⤵
      Program crash
      PID:4384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2040 -ip 2040
1⤵
PID:2800

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/1052-9-0x0000000002380000-0x0000000002D80000-memory.dmp

Filesize
10.0MB

Download
memory/1052-3-0x0000000002380000-0x0000000002D80000-memory.dmp

Filesize
10.0MB

Download
memory/1052-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1052-0-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/2040-12-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2040-15-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/2040-4-0x00000000777C2000-0x00000000777C3000-memory.dmp

Filesize
4KB

Download
memory/2040-6-0x00007FF9E8E90000-0x00007FF9E9085000-memory.dmp

Filesize
2.0MB

Download
memory/2564-17-0x00007FF9E90B0000-0x00007FF9E90B1000-memory.dmp

Filesize
4KB

Download
memory/2564-14-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/3572-10-0x00007FF9E90A0000-0x00007FF9E90A1000-memory.dmp

Filesize
4KB

Download
memory/3572-7-0x00007FF9E90C0000-0x00007FF9E90C1000-memory.dmp

Filesize
4KB

Download
memory/3572-2-0x0000000000A80000-0x0000000000A86000-memory.dmp

Filesize
24KB

Download
memory/3572-5-0x00007FF9E8F2D000-0x00007FF9E8F2E000-memory.dmp

Filesize
4KB

Download
memory/3572-1-0x0000000000A80000-0x0000000000A86000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads