tinba | 1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32

General

Target

1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32N.exe
Size

89KB
MD5

d57dbbbff398584fa417f755c83fb2a0
SHA1

716fdc9f31356594bea84292e8aede0c73c36ae4
SHA256

1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32
SHA512

301946fb0310b00cc628bcc6dbbcdeb356009ae47f228181b91fa96907fa0f393e50110637a0db91a3957b6760b3d3159c51053d36a013918a844b921cb3d658
SSDEEP

1536:K1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:i+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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B94ECE9B = "C:\\Users\\Admin\\AppData\\Roaming\\B94ECE9B\\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/2348-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3004	1372	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	1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32N.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
1372	winver.exe
1372	winver.exe

Suspicious use of AdjustPrivilegeToken 26 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1372	winver.exe
3456	Explorer.EXE
3456	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3456	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 1372	2348	1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32N.exe	85
PID 2348 wrote to memory of 1372	2348	1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32N.exe	85
PID 2348 wrote to memory of 1372	2348	1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32N.exe	85
PID 2348 wrote to memory of 1372	2348	1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32N.exe	85
PID 1372 wrote to memory of 3456	1372	winver.exe	56
PID 1372 wrote to memory of 2564	1372	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2564

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:3456
- C:\Users\Admin\AppData\Local\Temp\1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32N.exe
  "C:\Users\Admin\AppData\Local\Temp\1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2348
- - 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:1372
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 356
      4⤵
      Program crash
      PID:3004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1372 -ip 1372
1⤵
PID:1244

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/1372-5-0x00000000777E2000-0x00000000777E3000-memory.dmp

Filesize
4KB

Download
memory/1372-17-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/1372-14-0x0000000001F70000-0x0000000001F76000-memory.dmp

Filesize
24KB

Download
memory/1372-7-0x00007FFD74FD0000-0x00007FFD751C5000-memory.dmp

Filesize
2.0MB

Download
memory/2348-10-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2348-4-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/2348-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2348-11-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/2348-1-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/2564-16-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/3456-6-0x00007FFD7506D000-0x00007FFD7506E000-memory.dmp

Filesize
4KB

Download
memory/3456-2-0x00000000010F0000-0x00000000010F6000-memory.dmp

Filesize
24KB

Download
memory/3456-8-0x00007FFD75200000-0x00007FFD75201000-memory.dmp

Filesize
4KB

Download
memory/3456-12-0x00007FFD751E0000-0x00007FFD751E1000-memory.dmp

Filesize
4KB

Download
memory/3456-3-0x00000000010F0000-0x00000000010F6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads