tinba | 6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 23:53

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General

Target

6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36.exe
Size

160KB
MD5

c85dd2b0a2519284a09121784abed61e
SHA1

0cba761e68e3fec4a4bed75f3ff231d6c3ac8af3
SHA256

6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36
SHA512

231ab0edab5b97063ad58767a3759efb6a4397605e47dfe6d9f1bc9c29d1f2c7838ac163b57ba20319c2a0e5dccb9cbf37a540f87a07bcc5b3c560b1043c2049
SSDEEP

1536:gEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xphM:TY+4MiIkLZJNAQ9J6ve

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\59B1818E = "C:\\Users\\Admin\\AppData\\Roaming\\59B1818E\\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/2244-0-0x0000000000400000-0x0000000000428000-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	6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe
2948	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2948	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2948	2244	6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36.exe	31
PID 2244 wrote to memory of 2948	2244	6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36.exe	31
PID 2244 wrote to memory of 2948	2244	6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36.exe	31
PID 2244 wrote to memory of 2948	2244	6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36.exe	31
PID 2244 wrote to memory of 2948	2244	6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36.exe	31
PID 2948 wrote to memory of 1200	2948	winver.exe	21
PID 2948 wrote to memory of 1116	2948	winver.exe	19
PID 2948 wrote to memory of 1168	2948	winver.exe	20
PID 2948 wrote to memory of 1200	2948	winver.exe	21
PID 2948 wrote to memory of 1716	2948	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36.exe
  "C:\Users\Admin\AppData\Local\Temp\6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2244
- - 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:2948

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1716

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/1116-24-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1116-25-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/1168-27-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1168-19-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/1200-3-0x0000000002F00000-0x0000000002F06000-memory.dmp

Filesize
24KB

Download
memory/1200-28-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1200-21-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1716-23-0x00000000023C0000-0x00000000023C6000-memory.dmp

Filesize
24KB

Download
memory/1716-29-0x0000000076DD1000-0x0000000076DD2000-memory.dmp

Filesize
4KB

Download
memory/1716-30-0x00000000023C0000-0x00000000023C6000-memory.dmp

Filesize
24KB

Download
memory/2244-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2244-13-0x0000000001C20000-0x0000000002620000-memory.dmp

Filesize
10.0MB

Download
memory/2244-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2244-5-0x0000000001C20000-0x0000000002620000-memory.dmp

Filesize
10.0MB

Download
memory/2244-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2948-26-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2948-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2948-7-0x0000000076F80000-0x0000000076F81000-memory.dmp

Filesize
4KB

Download
memory/2948-8-0x0000000076F7F000-0x0000000076F80000-memory.dmp

Filesize
4KB

Download
memory/2948-9-0x0000000076F7F000-0x0000000076F81000-memory.dmp

Filesize
8KB

Download
memory/2948-11-0x0000000076D80000-0x0000000076F29000-memory.dmp

Filesize
1.7MB

Download
memory/2948-35-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download