tinba | c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-10-2024 02:56

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General

Target

c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127.exe
Size

110KB
MD5

8e14510583990034a19a5083eb5878ae
SHA1

1b56941c0741ff57060b14495298e40bcd51f331
SHA256

c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127
SHA512

ce6f75cf3f1b52418ade86909d27fa30196c7c4e80b3a9bfd6ed673e2b755444f4343475aefceb23618a3044601999fffdc5deb5e3c7a1e0262a923c918b8b7c
SSDEEP

1536:/iLOvRmmQegJgBbmAQ256/ZrwWnwqjhurmKFcxL8JQ28SGd:/iyvRmeLs/ZrwWJjAqGcRJ2xS

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\A24BEB54 = "C:\\Users\\Admin\\AppData\\Roaming\\A24BEB54\\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/2380-0-0x0000000000400000-0x000000000041E000-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	c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2704	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2704	2380	c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127.exe	31
PID 2380 wrote to memory of 2704	2380	c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127.exe	31
PID 2380 wrote to memory of 2704	2380	c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127.exe	31
PID 2380 wrote to memory of 2704	2380	c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127.exe	31
PID 2380 wrote to memory of 2704	2380	c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127.exe	31
PID 2704 wrote to memory of 1232	2704	winver.exe	21
PID 2704 wrote to memory of 1112	2704	winver.exe	19
PID 2704 wrote to memory of 1176	2704	winver.exe	20
PID 2704 wrote to memory of 1232	2704	winver.exe	21
PID 2704 wrote to memory of 1568	2704	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1232
- C:\Users\Admin\AppData\Local\Temp\c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127.exe
  "C:\Users\Admin\AppData\Local\Temp\c7447d7f2a2eb0127ac16c54c7a30679b35296631dc2cce9e06d807bb43a1127.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2380
- - 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:2704

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1568

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/1112-26-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/1112-27-0x0000000076F71000-0x0000000076F72000-memory.dmp

Filesize
4KB

Download
memory/1176-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1232-3-0x0000000002F50000-0x0000000002F56000-memory.dmp

Filesize
24KB

Download
memory/1232-2-0x0000000002F50000-0x0000000002F56000-memory.dmp

Filesize
24KB

Download
memory/1232-10-0x0000000076F71000-0x0000000076F72000-memory.dmp

Filesize
4KB

Download
memory/1232-4-0x0000000002F50000-0x0000000002F56000-memory.dmp

Filesize
24KB

Download
memory/1232-25-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1232-22-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1568-24-0x0000000002300000-0x0000000002306000-memory.dmp

Filesize
24KB

Download
memory/1568-29-0x0000000002300000-0x0000000002306000-memory.dmp

Filesize
24KB

Download
memory/1568-30-0x0000000076F71000-0x0000000076F72000-memory.dmp

Filesize
4KB

Download
memory/2380-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2380-13-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/2380-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2380-5-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/2380-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2704-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2704-7-0x0000000077120000-0x0000000077121000-memory.dmp

Filesize
4KB

Download
memory/2704-8-0x000000007711F000-0x0000000077120000-memory.dmp

Filesize
4KB

Download
memory/2704-9-0x000000007711F000-0x0000000077121000-memory.dmp

Filesize
8KB

Download
memory/2704-11-0x0000000076F20000-0x00000000770C9000-memory.dmp

Filesize
1.7MB

Download
memory/2704-31-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download