tinba | 3ec8b57ea87348685214291f02db95e233f14e8591e2202012beaef2456bacf9

General

Target

223534841809356aa7c94f86e8b0f4d6b4ce317b8225b419b27a5ba320ab0b81.exe
Size

110KB
MD5

b471d5f706df69a4a28664d7e335a9da
SHA1

995a757d4562d9f4e8231f359b4b78db2de1c1f0
SHA256

223534841809356aa7c94f86e8b0f4d6b4ce317b8225b419b27a5ba320ab0b81
SHA512

2bfeba6b8aec4caafd508644f08d3a70de469485c0c4e5220c231f024b5b48c9058896bdb55d5faccda6fad51402b6c10ffdbe8cc0612bebad81cd214c8238c3
SSDEEP

1536:JiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:JiyvRmDLs/ZrwWJjAqGcRJ2hg

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

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5FEA8BEE = "C:\\Users\\Admin\\AppData\\Roaming\\5FEA8BEE\\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/3028-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3728	2084	WerFault.exe	87

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	223534841809356aa7c94f86e8b0f4d6b4ce317b8225b419b27a5ba320ab0b81.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2084	winver.exe
2084	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3504	Explorer.EXE
Token: SeCreatePagefilePrivilege	3504	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2084	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3504	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2084	3028	223534841809356aa7c94f86e8b0f4d6b4ce317b8225b419b27a5ba320ab0b81.exe	87
PID 3028 wrote to memory of 2084	3028	223534841809356aa7c94f86e8b0f4d6b4ce317b8225b419b27a5ba320ab0b81.exe	87
PID 3028 wrote to memory of 2084	3028	223534841809356aa7c94f86e8b0f4d6b4ce317b8225b419b27a5ba320ab0b81.exe	87
PID 3028 wrote to memory of 2084	3028	223534841809356aa7c94f86e8b0f4d6b4ce317b8225b419b27a5ba320ab0b81.exe	87
PID 2084 wrote to memory of 3504	2084	winver.exe	56
PID 2084 wrote to memory of 2828	2084	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
- Suspicious use of UnmapMainImage
PID:3504
- C:\Users\Admin\AppData\Local\Temp\223534841809356aa7c94f86e8b0f4d6b4ce317b8225b419b27a5ba320ab0b81.exe
  "C:\Users\Admin\AppData\Local\Temp\223534841809356aa7c94f86e8b0f4d6b4ce317b8225b419b27a5ba320ab0b81.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3028
- - 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:2084
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2084 -s 352
      4⤵
      Program crash
      PID:3728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2084 -ip 2084
1⤵
PID:3208

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

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Downloads

memory/2084-7-0x00007FFCE0610000-0x00007FFCE0805000-memory.dmp

Filesize
2.0MB

Download
memory/2084-16-0x0000000000F60000-0x0000000000F66000-memory.dmp

Filesize
24KB

Download
memory/2084-12-0x0000000000F60000-0x0000000000F66000-memory.dmp

Filesize
24KB

Download
memory/2084-5-0x0000000076F52000-0x0000000076F53000-memory.dmp

Filesize
4KB

Download
memory/2828-17-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2828-14-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2828-15-0x00007FFCE06AD000-0x00007FFCE06AE000-memory.dmp

Filesize
4KB

Download
memory/3028-4-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/3028-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3028-10-0x00000000022F0000-0x0000000002CF0000-memory.dmp

Filesize
10.0MB

Download
memory/3028-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3028-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/3504-8-0x00007FFCE0840000-0x00007FFCE0841000-memory.dmp

Filesize
4KB

Download
memory/3504-6-0x00007FFCE06AD000-0x00007FFCE06AE000-memory.dmp

Filesize
4KB

Download
memory/3504-2-0x00000000022A0000-0x00000000022A6000-memory.dmp

Filesize
24KB

Download
memory/3504-3-0x00000000022A0000-0x00000000022A6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads