tinba | 9291730bc0dbde46226358bf537bab84d783a92d4ef3f5b4ca4ae08a91767abd

General

Target

9291730bc0dbde46226358bf537bab84d783a92d4ef3f5b4ca4ae08a91767abdN.exe
Size

45KB
MD5

837977337471e4df4ed72b5f8c218f20
SHA1

879f175ebef2c77cce2e65d2af82b8bb8da55c4d
SHA256

9291730bc0dbde46226358bf537bab84d783a92d4ef3f5b4ca4ae08a91767abd
SHA512

6681dd4b09ab24154ed96d66dbc8bf27c8f8f5ae4cfdf183395a02f779efca3990ff71853a574d15317a48c94f28c69b16421cbe78fc68d68e36c1e371b59e20
SSDEEP

768:JhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:TsWE9N5dFu53dsniQaB/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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E7924AC5 = "C:\\Users\\Admin\\AppData\\Roaming\\E7924AC5\\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/464-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
768	2052	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9291730bc0dbde46226358bf537bab84d783a92d4ef3f5b4ca4ae08a91767abdN.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2052	winver.exe
2052	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2052	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 2052	464	9291730bc0dbde46226358bf537bab84d783a92d4ef3f5b4ca4ae08a91767abdN.exe	84
PID 464 wrote to memory of 2052	464	9291730bc0dbde46226358bf537bab84d783a92d4ef3f5b4ca4ae08a91767abdN.exe	84
PID 464 wrote to memory of 2052	464	9291730bc0dbde46226358bf537bab84d783a92d4ef3f5b4ca4ae08a91767abdN.exe	84
PID 464 wrote to memory of 2052	464	9291730bc0dbde46226358bf537bab84d783a92d4ef3f5b4ca4ae08a91767abdN.exe	84
PID 2052 wrote to memory of 3532	2052	winver.exe	56
PID 2052 wrote to memory of 2828	2052	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2828

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3532
- C:\Users\Admin\AppData\Local\Temp\9291730bc0dbde46226358bf537bab84d783a92d4ef3f5b4ca4ae08a91767abdN.exe
  "C:\Users\Admin\AppData\Local\Temp\9291730bc0dbde46226358bf537bab84d783a92d4ef3f5b4ca4ae08a91767abdN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:464
- - 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:2052
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 352
      4⤵
      Program crash
      PID:768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2052 -ip 2052
1⤵
PID:1620

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/464-9-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/464-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/464-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/464-4-0x00000000022A0000-0x0000000002CA0000-memory.dmp

Filesize
10.0MB

Download
memory/464-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2052-11-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Filesize
24KB

Download
memory/2052-5-0x0000000076EF2000-0x0000000076EF3000-memory.dmp

Filesize
4KB

Download
memory/2052-7-0x00007FF9A7FF0000-0x00007FF9A81E5000-memory.dmp

Filesize
2.0MB

Download
memory/2052-15-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Filesize
24KB

Download
memory/2828-14-0x00007FF9A808D000-0x00007FF9A808E000-memory.dmp

Filesize
4KB

Download
memory/2828-13-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/2828-16-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/3532-6-0x00007FF9A808D000-0x00007FF9A808E000-memory.dmp

Filesize
4KB

Download
memory/3532-2-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download
memory/3532-3-0x0000000000B20000-0x0000000000B26000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads