tinba | 57a73687e61a0cf375c7298d6a12f8db2421b7e255e317d44ca6c8842c37f35f

General

Target

57a73687e61a0cf375c7298d6a12f8db2421b7e255e317d44ca6c8842c37f35f.exe
Size

44KB
MD5

7ac2360c15cd718e3861d0eb549ed1b5
SHA1

bbc50e84361ebf0fd769691839c109974faa2509
SHA256

57a73687e61a0cf375c7298d6a12f8db2421b7e255e317d44ca6c8842c37f35f
SHA512

b1d65bcd78360cf64fadd46240532744cd808cc5dfd538d4d805b74619d105cb4ad9f9dcc69170fc207b1eb0d8af24302178ec435903d6136667e7ba5888c30b
SSDEEP

768:8a+vOyMD5oQ/cXK+dbFg1TGAN2RUqZxbhxEll7j0MLlHT:8a+vM4ld+TR26qZxbhO3IMz

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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
38	4292	Process not Found

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-1-5-21-194335498-2604837297-537231065-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EFCC23E1 = "C:\\Users\\Admin\\AppData\\Roaming\\EFCC23E1\\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/1552-0-0x0000000000400000-0x000000000041A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
544	4532	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 3 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	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	57a73687e61a0cf375c7298d6a12f8db2421b7e255e317d44ca6c8842c37f35f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1792	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4532	winver.exe
4532	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3352	Explorer.EXE
Token: SeCreatePagefilePrivilege	3352	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4532	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3352	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 4532	1552	57a73687e61a0cf375c7298d6a12f8db2421b7e255e317d44ca6c8842c37f35f.exe	87
PID 1552 wrote to memory of 4532	1552	57a73687e61a0cf375c7298d6a12f8db2421b7e255e317d44ca6c8842c37f35f.exe	87
PID 1552 wrote to memory of 4532	1552	57a73687e61a0cf375c7298d6a12f8db2421b7e255e317d44ca6c8842c37f35f.exe	87
PID 1552 wrote to memory of 4532	1552	57a73687e61a0cf375c7298d6a12f8db2421b7e255e317d44ca6c8842c37f35f.exe	87
PID 4532 wrote to memory of 3352	4532	winver.exe	55
PID 4532 wrote to memory of 2420	4532	winver.exe	43

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2420

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3352
- C:\Users\Admin\AppData\Local\Temp\57a73687e61a0cf375c7298d6a12f8db2421b7e255e317d44ca6c8842c37f35f.exe
  "C:\Users\Admin\AppData\Local\Temp\57a73687e61a0cf375c7298d6a12f8db2421b7e255e317d44ca6c8842c37f35f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1552
- - 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:4532
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 352
      4⤵
      Program crash
      PID:544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4532 -ip 4532
1⤵
PID:2500

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDcxNzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTY4MDM3MTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MjUzMDA4NjkxIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:1792

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1552-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1552-1-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/1552-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1552-4-0x00000000024A0000-0x0000000002EA0000-memory.dmp

Filesize
10.0MB

Download
memory/1552-9-0x00000000024A0000-0x0000000002EA0000-memory.dmp

Filesize
10.0MB

Download
memory/2420-13-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/3352-2-0x0000000000BC0000-0x0000000000BC6000-memory.dmp

Filesize
24KB

Download
memory/3352-6-0x00007FFCC198D000-0x00007FFCC198E000-memory.dmp

Filesize
4KB

Download
memory/3352-3-0x0000000000BC0000-0x0000000000BC6000-memory.dmp

Filesize
24KB

Download
memory/3352-15-0x00007FFCC1B20000-0x00007FFCC1B21000-memory.dmp

Filesize
4KB

Download
memory/4532-7-0x00007FFCC18F0000-0x00007FFCC1AE5000-memory.dmp

Filesize
2.0MB

Download
memory/4532-5-0x0000000077812000-0x0000000077813000-memory.dmp

Filesize
4KB

Download
memory/4532-11-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/4532-14-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads