tinba | a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7c

General

Target

a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7cN.exe
Size

45KB
MD5

8e1fc230fd761fa174ffb860ee3ae470
SHA1

16eb23716841bac187c8e7126510597e9f1cedb6
SHA256

a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7c
SHA512

b4bdb56166292c03fd57dc8b248fe905eae917aafbf2245393bd2d43722d9d3ae613630f6c2c5d46cec0d235adfb14f69334facbfb5643da9b4055fe1f215405
SSDEEP

768:+hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:SsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8E1ECEEA = "C:\\Users\\Admin\\AppData\\Roaming\\8E1ECEEA\\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/916-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4292	4800	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	a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4800	winver.exe
4800	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

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

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4800	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 916 wrote to memory of 4800	916	a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7cN.exe	84
PID 916 wrote to memory of 4800	916	a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7cN.exe	84
PID 916 wrote to memory of 4800	916	a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7cN.exe	84
PID 916 wrote to memory of 4800	916	a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7cN.exe	84
PID 4800 wrote to memory of 3428	4800	winver.exe	56
PID 4800 wrote to memory of 2928	4800	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2928

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3428
- C:\Users\Admin\AppData\Local\Temp\a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7cN.exe
  "C:\Users\Admin\AppData\Local\Temp\a2d94770802f4e8293ecc6f6bc448acaff2ac5283b076cee89be5cb8fa9dfa7cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:916
- - 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:4800
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4800 -s 352
      4⤵
      Program crash
      PID:4292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 4800 -ip 4800
1⤵
PID:4312

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/916-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/916-1-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/916-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/916-4-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/916-10-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/2928-14-0x0000000000910000-0x0000000000916000-memory.dmp

Filesize
24KB

Download
memory/3428-2-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/3428-7-0x00007FFE575CC000-0x00007FFE575CD000-memory.dmp

Filesize
4KB

Download
memory/3428-6-0x00007FFE575CD000-0x00007FFE575CE000-memory.dmp

Filesize
4KB

Download
memory/3428-3-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/4800-5-0x0000000077D22000-0x0000000077D23000-memory.dmp

Filesize
4KB

Download
memory/4800-8-0x00007FFE57530000-0x00007FFE57725000-memory.dmp

Filesize
2.0MB

Download
memory/4800-12-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

Filesize
24KB

Download
memory/4800-15-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads