tinba | 7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224

General

Target

7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224N.exe
Size

89KB
MD5

60b845037a355c84b17b920e249f14b0
SHA1

455460bb6a914ca669cd42f6d50fa306ab38e465
SHA256

7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224
SHA512

dec9d8d0aa7f735355015b9cf83bcac0f358636a864a395d0333b9a863f9e51a8e3ed93083c2786ff2e5fb4d6860f37fc24aec0716e7b1815913cc3a272b7df9
SSDEEP

1536:n1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7K:1+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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3E8A235E = "C:\\Users\\Admin\\AppData\\Roaming\\3E8A235E\\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/4928-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3492	1080	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	7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1080	winver.exe
1080	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1080	winver.exe
3448	Explorer.EXE
3448	Explorer.EXE
3448	Explorer.EXE

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3448	Explorer.EXE
3448	Explorer.EXE
3448	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 1080	4928	7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224N.exe	84
PID 4928 wrote to memory of 1080	4928	7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224N.exe	84
PID 4928 wrote to memory of 1080	4928	7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224N.exe	84
PID 4928 wrote to memory of 1080	4928	7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224N.exe	84
PID 1080 wrote to memory of 3448	1080	winver.exe	56
PID 1080 wrote to memory of 2664	1080	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2664

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3448
- C:\Users\Admin\AppData\Local\Temp\7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224N.exe
  "C:\Users\Admin\AppData\Local\Temp\7bc883b9be982c5d4caf4e76e6abcdfe0a5d109cdcad38fe78e9ad3e2567c224N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4928
- - 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:1080
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1080 -s 356
      4⤵
      Program crash
      PID:3492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1080 -ip 1080
1⤵
PID:532

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/1080-5-0x00000000770E2000-0x00000000770E3000-memory.dmp

Filesize
4KB

Download
memory/1080-15-0x00000000013B0000-0x00000000013B6000-memory.dmp

Filesize
24KB

Download
memory/1080-12-0x00000000013B0000-0x00000000013B6000-memory.dmp

Filesize
24KB

Download
memory/1080-7-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

Filesize
2.0MB

Download
memory/2664-16-0x0000000000EE0000-0x0000000000EE6000-memory.dmp

Filesize
24KB

Download
memory/2664-14-0x0000000000EE0000-0x0000000000EE6000-memory.dmp

Filesize
24KB

Download
memory/3448-2-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/3448-6-0x00007FFC90FED000-0x00007FFC90FEE000-memory.dmp

Filesize
4KB

Download
memory/3448-3-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/4928-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4928-10-0x0000000002350000-0x0000000002D50000-memory.dmp

Filesize
10.0MB

Download
memory/4928-4-0x0000000002350000-0x0000000002D50000-memory.dmp

Filesize
10.0MB

Download
memory/4928-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4928-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads