tinba | b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085

General

Target

b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.exe
Size

110KB
MD5

bf11014e83b82b5eb28aef25247cd3e0
SHA1

c8acd72119d1209b729495c9e6c79f1d743d48bc
SHA256

b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085
SHA512

c89f5a083e7c05f33ffc0fc5a42dc38c57cb3d64a80868955a51c6f3c01e2dff2c0ae88464f7bfd9fc0bcb20e8da3700b3692b9d2117e0eb051c6f18a2f3950a
SSDEEP

1536:EiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:EiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\BE13DDCD = "C:\\Users\\Admin\\AppData\\Roaming\\BE13DDCD\\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/3572-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4080	5060	WerFault.exe	86

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	b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.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
5060	winver.exe
5060	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
5060	winver.exe
3436	Explorer.EXE
3436	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3572 wrote to memory of 5060	3572	b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.exe	86
PID 3572 wrote to memory of 5060	3572	b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.exe	86
PID 3572 wrote to memory of 5060	3572	b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.exe	86
PID 3572 wrote to memory of 5060	3572	b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.exe	86
PID 5060 wrote to memory of 3436	5060	winver.exe	56
PID 5060 wrote to memory of 2684	5060	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2684

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:3436
- C:\Users\Admin\AppData\Local\Temp\b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.exe
  "C:\Users\Admin\AppData\Local\Temp\b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3572
- - 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:5060
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5060 -s 356
      4⤵
      Program crash
      PID:4080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5060 -ip 5060
1⤵
PID:4228

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/2684-20-0x00007FFDF1770000-0x00007FFDF1771000-memory.dmp

Filesize
4KB

Download
memory/2684-16-0x0000000000C20000-0x0000000000C26000-memory.dmp

Filesize
24KB

Download
memory/3436-12-0x00007FFDF1760000-0x00007FFDF1761000-memory.dmp

Filesize
4KB

Download
memory/3436-2-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/3436-3-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/3436-7-0x00007FFDF15ED000-0x00007FFDF15EE000-memory.dmp

Filesize
4KB

Download
memory/3436-11-0x00007FFDF1780000-0x00007FFDF1781000-memory.dmp

Filesize
4KB

Download
memory/3572-4-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/3572-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3572-10-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/3572-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3572-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/5060-8-0x00007FFDF1550000-0x00007FFDF1745000-memory.dmp

Filesize
2.0MB

Download
memory/5060-5-0x0000000001250000-0x0000000001256000-memory.dmp

Filesize
24KB

Download
memory/5060-6-0x00000000775F2000-0x00000000775F3000-memory.dmp

Filesize
4KB

Download
memory/5060-17-0x0000000001250000-0x0000000001256000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads