tinba | b7b497ebe9fd6a1292389d93770140d18e3c12fb010a245730e602f1ace3f8e0

General

Target

b7b497ebe9fd6a1292389d93770140d18e3c12fb010a245730e602f1ace3f8e0N.exe
Size

45KB
MD5

d3fd5c7e05610c45ffd023f0dba47bd0
SHA1

318b966026e8677fb8520bc3d55cccda514515c2
SHA256

b7b497ebe9fd6a1292389d93770140d18e3c12fb010a245730e602f1ace3f8e0
SHA512

f948e96594961502215326694dd2b0eebab8be446614950d2f6b0b33b7b58023df4dd735f5c62b80144f9eb5e49c96b936fbc58ec1aec00e066d5523ae400895
SSDEEP

768:phP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2H:zsWE9N5dFu53dsniQaB/xZ14n7zIF+qT

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-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\23CF50B9 = "C:\\Users\\Admin\\AppData\\Roaming\\23CF50B9\\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/2952-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4980	1316	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	b7b497ebe9fd6a1292389d93770140d18e3c12fb010a245730e602f1ace3f8e0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1316	winver.exe
1316	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1316	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3444	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2952 wrote to memory of 1316	2952	b7b497ebe9fd6a1292389d93770140d18e3c12fb010a245730e602f1ace3f8e0N.exe	84
PID 2952 wrote to memory of 1316	2952	b7b497ebe9fd6a1292389d93770140d18e3c12fb010a245730e602f1ace3f8e0N.exe	84
PID 2952 wrote to memory of 1316	2952	b7b497ebe9fd6a1292389d93770140d18e3c12fb010a245730e602f1ace3f8e0N.exe	84
PID 2952 wrote to memory of 1316	2952	b7b497ebe9fd6a1292389d93770140d18e3c12fb010a245730e602f1ace3f8e0N.exe	84
PID 1316 wrote to memory of 3444	1316	winver.exe	56
PID 1316 wrote to memory of 2656	1316	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3444
- C:\Users\Admin\AppData\Local\Temp\b7b497ebe9fd6a1292389d93770140d18e3c12fb010a245730e602f1ace3f8e0N.exe
  "C:\Users\Admin\AppData\Local\Temp\b7b497ebe9fd6a1292389d93770140d18e3c12fb010a245730e602f1ace3f8e0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2952
- - 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:1316
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1316 -s 352
      4⤵
      Program crash
      PID:4980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1316 -ip 1316
1⤵
PID:700

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/1316-7-0x00007FFA220B0000-0x00007FFA222A5000-memory.dmp

Filesize
2.0MB

Download
memory/1316-14-0x00000000013E0000-0x00000000013E6000-memory.dmp

Filesize
24KB

Download
memory/1316-11-0x00000000013E0000-0x00000000013E6000-memory.dmp

Filesize
24KB

Download
memory/1316-5-0x0000000077192000-0x0000000077193000-memory.dmp

Filesize
4KB

Download
memory/2656-13-0x0000000000FE0000-0x0000000000FE6000-memory.dmp

Filesize
24KB

Download
memory/2952-9-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/2952-4-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/2952-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2952-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2952-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/3444-6-0x00007FFA2214D000-0x00007FFA2214E000-memory.dmp

Filesize
4KB

Download
memory/3444-2-0x0000000002A00000-0x0000000002A06000-memory.dmp

Filesize
24KB

Download
memory/3444-3-0x0000000002A00000-0x0000000002A06000-memory.dmp

Filesize
24KB

Download
memory/3444-16-0x00007FFA222E0000-0x00007FFA222E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads