tinba | c21aa6f826e228139c32818c4179daa2b1830ff0637d3296bf0c54d388523917

General

Target

c21aa6f826e228139c32818c4179daa2b1830ff0637d3296bf0c54d388523917.exe
Size

89KB
MD5

9924d3e3dac2bf0b46d5a19a72d30788
SHA1

a9fdd85c4a571b94855277a92222e6c8f9522a3f
SHA256

c21aa6f826e228139c32818c4179daa2b1830ff0637d3296bf0c54d388523917
SHA512

1fe18802ba506092ce68f5160e53f24d06a08f57c1c4f974fdbee5df5a8086a19a67f63eeaf58513997cf6bf59a5bb37f3a3a86e4dd1389c7ff510655516d0d8
SSDEEP

1536:Dr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7K:X+4MJIkLZJNAQ9Jo9K

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

Processes:

winver.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\AC474E3B = "C:\\Users\\Admin\\AppData\\Roaming\\AC474E3B\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2552-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

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

Processes:

c21aa6f826e228139c32818c4179daa2b1830ff0637d3296bf0c54d388523917.exewinver.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c21aa6f826e228139c32818c4179daa2b1830ff0637d3296bf0c54d388523917.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

Processes:

winver.exe

pid	process
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe
2588	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

winver.exe

pid process

2588 winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

c21aa6f826e228139c32818c4179daa2b1830ff0637d3296bf0c54d388523917.exewinver.exe

description	pid	process	target process
PID 2552 wrote to memory of 2588	2552	c21aa6f826e228139c32818c4179daa2b1830ff0637d3296bf0c54d388523917.exe	winver.exe
PID 2552 wrote to memory of 2588	2552	c21aa6f826e228139c32818c4179daa2b1830ff0637d3296bf0c54d388523917.exe	winver.exe
PID 2552 wrote to memory of 2588	2552	c21aa6f826e228139c32818c4179daa2b1830ff0637d3296bf0c54d388523917.exe	winver.exe
PID 2552 wrote to memory of 2588	2552	c21aa6f826e228139c32818c4179daa2b1830ff0637d3296bf0c54d388523917.exe	winver.exe
PID 2552 wrote to memory of 2588	2552	c21aa6f826e228139c32818c4179daa2b1830ff0637d3296bf0c54d388523917.exe	winver.exe
PID 2588 wrote to memory of 1408	2588	winver.exe	Explorer.EXE
PID 2588 wrote to memory of 1264	2588	winver.exe	taskhost.exe
PID 2588 wrote to memory of 1348	2588	winver.exe	Dwm.exe
PID 2588 wrote to memory of 1408	2588	winver.exe	Explorer.EXE
PID 2588 wrote to memory of 1708	2588	winver.exe	DllHost.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1264

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1348

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1408
- C:\Users\Admin\AppData\Local\Temp\c21aa6f826e228139c32818c4179daa2b1830ff0637d3296bf0c54d388523917.exe
  "C:\Users\Admin\AppData\Local\Temp\c21aa6f826e228139c32818c4179daa2b1830ff0637d3296bf0c54d388523917.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2552
- - 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:2588

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1708

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/1264-25-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1264-35-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1264-28-0x0000000077AE1000-0x0000000077AE2000-memory.dmp

Filesize
4KB

Download
memory/1264-26-0x0000000077AE1000-0x0000000077AE2000-memory.dmp

Filesize
4KB

Download
memory/1348-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1348-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1348-33-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1408-2-0x0000000002680000-0x0000000002686000-memory.dmp

Filesize
24KB

Download
memory/1408-10-0x0000000077AE1000-0x0000000077AE2000-memory.dmp

Filesize
4KB

Download
memory/1408-27-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1408-4-0x0000000002680000-0x0000000002686000-memory.dmp

Filesize
24KB

Download
memory/1408-3-0x0000000002680000-0x0000000002686000-memory.dmp

Filesize
24KB

Download
memory/1408-22-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1708-30-0x0000000001D00000-0x0000000001D06000-memory.dmp

Filesize
24KB

Download
memory/1708-32-0x0000000077AE1000-0x0000000077AE2000-memory.dmp

Filesize
4KB

Download
memory/1708-24-0x0000000001D00000-0x0000000001D06000-memory.dmp

Filesize
24KB

Download
memory/2552-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2552-13-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2552-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2552-5-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2552-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2588-11-0x0000000077A90000-0x0000000077C39000-memory.dmp

Filesize
1.7MB

Download
memory/2588-7-0x0000000077C90000-0x0000000077C91000-memory.dmp

Filesize
4KB

Download
memory/2588-8-0x0000000077C8F000-0x0000000077C90000-memory.dmp

Filesize
4KB

Download
memory/2588-9-0x0000000077C8F000-0x0000000077C91000-memory.dmp

Filesize
8KB

Download
memory/2588-31-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2588-6-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads