tinba | 47e90c03dd1373366a9e923f96627ebceee5c4fe221de64a6648231883e3fbe7

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 23:48

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General

Target

47e90c03dd1373366a9e923f96627ebceee5c4fe221de64a6648231883e3fbe7N.exe
Size

110KB
MD5

b5521e845fbe9601c8c10c50874c43b0
SHA1

5696ef7f8392380987dec3f76e1b53efaa8927ec
SHA256

47e90c03dd1373366a9e923f96627ebceee5c4fe221de64a6648231883e3fbe7
SHA512

c08d1556bc8f93be938524d99c458a6cc106f7e3c5e70b74d57cbff2b807e1b3dc7c4690ef7a4c8b6a0f5797483f31cd19f292ab51308fc07aed9d02391bd115
SSDEEP

1536:KiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:KiyvRmDLs/ZrwWJjAqGcRJ2hQ

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\28B3CEFB = "C:\\Users\\Admin\\AppData\\Roaming\\28B3CEFB\\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/2096-0-0x0000000000400000-0x000000000041E000-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	47e90c03dd1373366a9e923f96627ebceee5c4fe221de64a6648231883e3fbe7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe
2580	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2580	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2580	2096	47e90c03dd1373366a9e923f96627ebceee5c4fe221de64a6648231883e3fbe7N.exe	32
PID 2096 wrote to memory of 2580	2096	47e90c03dd1373366a9e923f96627ebceee5c4fe221de64a6648231883e3fbe7N.exe	32
PID 2096 wrote to memory of 2580	2096	47e90c03dd1373366a9e923f96627ebceee5c4fe221de64a6648231883e3fbe7N.exe	32
PID 2096 wrote to memory of 2580	2096	47e90c03dd1373366a9e923f96627ebceee5c4fe221de64a6648231883e3fbe7N.exe	32
PID 2096 wrote to memory of 2580	2096	47e90c03dd1373366a9e923f96627ebceee5c4fe221de64a6648231883e3fbe7N.exe	32
PID 2580 wrote to memory of 1216	2580	winver.exe	21
PID 2580 wrote to memory of 1108	2580	winver.exe	19
PID 2580 wrote to memory of 1172	2580	winver.exe	20
PID 2580 wrote to memory of 1216	2580	winver.exe	21
PID 2580 wrote to memory of 1608	2580	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\47e90c03dd1373366a9e923f96627ebceee5c4fe221de64a6648231883e3fbe7N.exe
  "C:\Users\Admin\AppData\Local\Temp\47e90c03dd1373366a9e923f96627ebceee5c4fe221de64a6648231883e3fbe7N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2096
- - 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:2580

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1608

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/1108-25-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1108-26-0x0000000076F71000-0x0000000076F72000-memory.dmp

Filesize
4KB

Download
memory/1172-36-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1172-30-0x0000000076F71000-0x0000000076F72000-memory.dmp

Filesize
4KB

Download
memory/1172-29-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1172-20-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1216-22-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1216-31-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1216-4-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1216-10-0x0000000076F71000-0x0000000076F72000-memory.dmp

Filesize
4KB

Download
memory/1216-3-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1216-2-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1608-27-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1608-28-0x0000000076F71000-0x0000000076F72000-memory.dmp

Filesize
4KB

Download
memory/1608-24-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/2096-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2096-13-0x0000000001D20000-0x0000000002720000-memory.dmp

Filesize
10.0MB

Download
memory/2096-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2096-5-0x0000000001D20000-0x0000000002720000-memory.dmp

Filesize
10.0MB

Download
memory/2096-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2580-9-0x000000007711F000-0x0000000077121000-memory.dmp

Filesize
8KB

Download
memory/2580-11-0x0000000076F20000-0x00000000770C9000-memory.dmp

Filesize
1.7MB

Download
memory/2580-8-0x000000007711F000-0x0000000077120000-memory.dmp

Filesize
4KB

Download
memory/2580-7-0x0000000077120000-0x0000000077121000-memory.dmp

Filesize
4KB

Download
memory/2580-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2580-32-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download