tinba | 3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6

General

Target

3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6N.exe
Size

45KB
MD5

e4d03b04ab4fb0a87d0cbcc3e6455170
SHA1

3b4b98fa6e6fe43ccf547f66848c42b2928722b8
SHA256

3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6
SHA512

67762ff62fd9c4e38fdde82a5ba10e69c5c9ad7cf656f8e315f1dcb4ab64ba758b3df7eaee956e1531d5d1036ea0c49da13390887103ef0fd3ea6042a4a61d8a
SSDEEP

768:2hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:asWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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\8A16453B = "C:\\Users\\Admin\\AppData\\Roaming\\8A16453B\\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/1248-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2532	3616	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	3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3616	winver.exe
3616	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
3616	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 UnmapMainImage 1 IoCs

pid	Process
3448	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1248 wrote to memory of 3616	1248	3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6N.exe	84
PID 1248 wrote to memory of 3616	1248	3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6N.exe	84
PID 1248 wrote to memory of 3616	1248	3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6N.exe	84
PID 1248 wrote to memory of 3616	1248	3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6N.exe	84
PID 3616 wrote to memory of 3448	3616	winver.exe	56
PID 3616 wrote to memory of 2664	3616	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
- Suspicious use of UnmapMainImage
PID:3448
- C:\Users\Admin\AppData\Local\Temp\3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6N.exe
  "C:\Users\Admin\AppData\Local\Temp\3aacda58dee993c6670f2c0844e70e5117d7261fea00ebf802bf729fcd8317d6N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1248
- - 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:3616
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3616 -s 356
      4⤵
      Program crash
      PID:2532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3616 -ip 3616
1⤵
PID:1760

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/1248-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1248-1-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/1248-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1248-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/1248-10-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/2664-17-0x0000000000EE0000-0x0000000000EE6000-memory.dmp

Filesize
24KB

Download
memory/2664-15-0x0000000000EE0000-0x0000000000EE6000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/3448-11-0x00007FFC91180000-0x00007FFC91181000-memory.dmp

Filesize
4KB

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

Filesize
4KB

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

Filesize
24KB

Download
memory/3616-7-0x00007FFC90F50000-0x00007FFC91145000-memory.dmp

Filesize
2.0MB

Download
memory/3616-5-0x00000000770E2000-0x00000000770E3000-memory.dmp

Filesize
4KB

Download
memory/3616-13-0x0000000000EA0000-0x0000000000EA6000-memory.dmp

Filesize
24KB

Download
memory/3616-16-0x0000000000EA0000-0x0000000000EA6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads