tinba | 5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 00:53

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General

Target

5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a.exe
Size

45KB
MD5

5f12a668ffc0efe34046ebfb66d72689
SHA1

0f74fe9bd6682860bd6d79deb476bb52c03fde71
SHA256

5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a
SHA512

fa33bce7d561a81b9cb9175b7d9eb49a062a77737ece403d136b96d9624b358f534254d645aa06fa95d9cff55d262d1f6e475e91e111d257c6978ffb3646a53f
SSDEEP

768:0hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2l:4sWE9N5dFu53dsniQaB/xZ14n7zIF+qp

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\B68C17FA = "C:\\Users\\Admin\\AppData\\Roaming\\B68C17FA\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/564-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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	5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe
1396	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1396	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 564 wrote to memory of 1396	564	5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a.exe	31
PID 564 wrote to memory of 1396	564	5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a.exe	31
PID 564 wrote to memory of 1396	564	5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a.exe	31
PID 564 wrote to memory of 1396	564	5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a.exe	31
PID 564 wrote to memory of 1396	564	5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a.exe	31
PID 1396 wrote to memory of 1180	1396	winver.exe	21
PID 1396 wrote to memory of 1084	1396	winver.exe	18
PID 1396 wrote to memory of 1156	1396	winver.exe	20
PID 1396 wrote to memory of 1180	1396	winver.exe	21
PID 1396 wrote to memory of 952	1396	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1084

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Users\Admin\AppData\Local\Temp\5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a.exe
  "C:\Users\Admin\AppData\Local\Temp\5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:564
- - 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:1396

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/564-5-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/564-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/564-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/564-14-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/564-13-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/952-35-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/952-27-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/952-34-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1084-28-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1084-29-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1156-31-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1156-30-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1156-37-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1156-22-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1180-2-0x0000000002780000-0x0000000002786000-memory.dmp

Filesize
24KB

Download
memory/1180-4-0x0000000002780000-0x0000000002786000-memory.dmp

Filesize
24KB

Download
memory/1180-24-0x00000000026B0000-0x00000000026B6000-memory.dmp

Filesize
24KB

Download
memory/1180-10-0x0000000077B81000-0x0000000077B82000-memory.dmp

Filesize
4KB

Download
memory/1180-3-0x0000000002780000-0x0000000002786000-memory.dmp

Filesize
24KB

Download
memory/1180-33-0x00000000026B0000-0x00000000026B6000-memory.dmp

Filesize
24KB

Download
memory/1396-8-0x0000000077D2F000-0x0000000077D30000-memory.dmp

Filesize
4KB

Download
memory/1396-11-0x0000000077B30000-0x0000000077CD9000-memory.dmp

Filesize
1.7MB

Download
memory/1396-32-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/1396-9-0x0000000077D2F000-0x0000000077D31000-memory.dmp

Filesize
8KB

Download
memory/1396-6-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/1396-7-0x0000000077D30000-0x0000000077D31000-memory.dmp

Filesize
4KB

Download