tinba | b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055

General

Target

b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055N.exe
Size

89KB
MD5

c15e36b599f9ebc06fb6acbad75f9660
SHA1

eadbe3c2b58dfd39edc7764ceb18131210d97267
SHA256

b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055
SHA512

da64d4ea7370397ae53ef7aeeaa1976a7d2b3baae959fb51669bf54c208fd7fd2eec9290eea76f26ee592d328031b186c4f62c68ae6f35fe90645a25c6d4d062
SSDEEP

1536:11+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:H+4MJIkLZJNAQ9Jo9e

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\F044FB3F = "C:\\Users\\Admin\\AppData\\Roaming\\F044FB3F\\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/3468-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
416	3396	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	b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055N.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
3396	winver.exe
3396	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3580	Explorer.EXE
Token: SeCreatePagefilePrivilege	3580	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3396	winver.exe
3580	Explorer.EXE
3580	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3580	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3468 wrote to memory of 3396	3468	b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055N.exe	85
PID 3468 wrote to memory of 3396	3468	b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055N.exe	85
PID 3468 wrote to memory of 3396	3468	b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055N.exe	85
PID 3468 wrote to memory of 3396	3468	b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055N.exe	85
PID 3396 wrote to memory of 3580	3396	winver.exe	56
PID 3396 wrote to memory of 2640	3396	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2640

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:3580
- C:\Users\Admin\AppData\Local\Temp\b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055N.exe
  "C:\Users\Admin\AppData\Local\Temp\b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3468
- - 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:3396
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3396 -s 352
      4⤵
      Program crash
      PID:416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3396 -ip 3396
1⤵
PID:4304

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

Loading Replay Monitor...

Downloads

memory/2640-21-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/2640-18-0x00007FF91FBED000-0x00007FF91FBEE000-memory.dmp

Filesize
4KB

Download
memory/2640-17-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/3396-5-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/3396-19-0x0000000000750000-0x0000000000756000-memory.dmp

Filesize
24KB

Download
memory/3396-8-0x00007FF91FB50000-0x00007FF91FD45000-memory.dmp

Filesize
2.0MB

Download
memory/3396-6-0x0000000077852000-0x0000000077853000-memory.dmp

Filesize
4KB

Download
memory/3468-4-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/3468-11-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3468-12-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/3468-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3468-1-0x00000000009B0000-0x00000000009B1000-memory.dmp

Filesize
4KB

Download
memory/3580-7-0x00007FF91FBED000-0x00007FF91FBEE000-memory.dmp

Filesize
4KB

Download
memory/3580-9-0x00007FF91FD80000-0x00007FF91FD81000-memory.dmp

Filesize
4KB

Download
memory/3580-13-0x00007FF91FD60000-0x00007FF91FD61000-memory.dmp

Filesize
4KB

Download
memory/3580-3-0x00000000023A0000-0x00000000023A6000-memory.dmp

Filesize
24KB

Download
memory/3580-2-0x00000000023A0000-0x00000000023A6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads