tinba | 095a3a72f78a1dd7f9ca428da801df8f5b3037a6d39d05e07af04c015563e328

General

Target

a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311.exe
Size

34KB
MD5

8ead2c95f7d0ddfa2080fc1308dd91c9
SHA1

7ea59a470e3af6f5eaaca50a36fbb1af369a4cb1
SHA256

a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311
SHA512

7c22a57541483feede9cdd8d8cb48dd2ec4d0e5d004629dbe1facc7c42b3afc6797467b3876b4e0029660f7f06bf62122ac7d72b0ab9809a9c0cf9f48556e7a7
SSDEEP

768:9p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:9pYoX58z1uirL98xMWnT0OQ9J2

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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4492-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4244F5C3 = "C:\\Users\\Admin\\AppData\\Roaming\\4244F5C3\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5084	1876	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	a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1876	winver.exe
1876	winver.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1876	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3428	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4492 wrote to memory of 1876	4492	a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311.exe	85
PID 4492 wrote to memory of 1876	4492	a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311.exe	85
PID 4492 wrote to memory of 1876	4492	a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311.exe	85
PID 4492 wrote to memory of 1876	4492	a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311.exe	85
PID 1876 wrote to memory of 3428	1876	winver.exe	56
PID 1876 wrote to memory of 2652	1876	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3428
- C:\Users\Admin\AppData\Local\Temp\a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311.exe
  "C:\Users\Admin\AppData\Local\Temp\a7395220524deefe2161e5c9fdbe8cd5a151171a180c9df0f9f9400c39438311.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4492
- - 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:1876
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 352
      4⤵
      Program crash
      PID:5084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1876 -ip 1876
1⤵
PID:4944

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/1876-5-0x0000000076F32000-0x0000000076F33000-memory.dmp

Filesize
4KB

Download
memory/1876-16-0x0000000001420000-0x0000000001426000-memory.dmp

Filesize
24KB

Download
memory/1876-13-0x0000000001420000-0x0000000001426000-memory.dmp

Filesize
24KB

Download
memory/1876-7-0x00007FFC28E50000-0x00007FFC29045000-memory.dmp

Filesize
2.0MB

Download
memory/2652-18-0x00007FFC29070000-0x00007FFC29071000-memory.dmp

Filesize
4KB

Download
memory/2652-15-0x00000000009A0000-0x00000000009A6000-memory.dmp

Filesize
24KB

Download
memory/3428-8-0x00007FFC29080000-0x00007FFC29081000-memory.dmp

Filesize
4KB

Download
memory/3428-6-0x00007FFC28EED000-0x00007FFC28EEE000-memory.dmp

Filesize
4KB

Download
memory/3428-3-0x0000000000F90000-0x0000000000F96000-memory.dmp

Filesize
24KB

Download
memory/3428-2-0x0000000000F90000-0x0000000000F96000-memory.dmp

Filesize
24KB

Download
memory/3428-19-0x00007FFC29060000-0x00007FFC29061000-memory.dmp

Filesize
4KB

Download
memory/4492-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4492-10-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4492-11-0x0000000002350000-0x0000000002D50000-memory.dmp

Filesize
10.0MB

Download
memory/4492-4-0x0000000002350000-0x0000000002D50000-memory.dmp

Filesize
10.0MB

Download
memory/4492-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads