tinba | b664f7caf61ffedb271fd3d8aa2bcdbd19d352d21c56f209f5ae35ed35fb3576

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-02-2025 04:06

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General

Target

b664f7caf61ffedb271fd3d8aa2bcdbd19d352d21c56f209f5ae35ed35fb3576.exe
Size

225KB
MD5

94f6c51df75c906816b3438f1338f1e7
SHA1

745064227a988cd3559a7a21a5a2616b308e63b7
SHA256

b664f7caf61ffedb271fd3d8aa2bcdbd19d352d21c56f209f5ae35ed35fb3576
SHA512

90da0a9c33e151173bbedb84773ec7493e3dd31eeed2d1814607618f4fea4812375dd7ec5d0b0d2b33f165cdcb16365ffe28df0500fbd506668384654eb2538d
SSDEEP

6144:XA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:XATuTAnKGwUAW3ycQqgf

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\1ADD489C = "C:\\Users\\Admin\\AppData\\Roaming\\1ADD489C\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	b664f7caf61ffedb271fd3d8aa2bcdbd19d352d21c56f209f5ae35ed35fb3576.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe
2956	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2956	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2956	2244	b664f7caf61ffedb271fd3d8aa2bcdbd19d352d21c56f209f5ae35ed35fb3576.exe	31
PID 2244 wrote to memory of 2956	2244	b664f7caf61ffedb271fd3d8aa2bcdbd19d352d21c56f209f5ae35ed35fb3576.exe	31
PID 2244 wrote to memory of 2956	2244	b664f7caf61ffedb271fd3d8aa2bcdbd19d352d21c56f209f5ae35ed35fb3576.exe	31
PID 2244 wrote to memory of 2956	2244	b664f7caf61ffedb271fd3d8aa2bcdbd19d352d21c56f209f5ae35ed35fb3576.exe	31
PID 2244 wrote to memory of 2956	2244	b664f7caf61ffedb271fd3d8aa2bcdbd19d352d21c56f209f5ae35ed35fb3576.exe	31
PID 2956 wrote to memory of 1236	2956	winver.exe	21
PID 2956 wrote to memory of 1116	2956	winver.exe	19
PID 2956 wrote to memory of 1172	2956	winver.exe	20
PID 2956 wrote to memory of 1236	2956	winver.exe	21
PID 2956 wrote to memory of 2040	2956	winver.exe	23

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

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1236
- C:\Users\Admin\AppData\Local\Temp\b664f7caf61ffedb271fd3d8aa2bcdbd19d352d21c56f209f5ae35ed35fb3576.exe
  "C:\Users\Admin\AppData\Local\Temp\b664f7caf61ffedb271fd3d8aa2bcdbd19d352d21c56f209f5ae35ed35fb3576.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:2956

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2040

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 Information Discovery

T1082

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/1116-26-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/1116-11-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/1172-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1172-24-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1236-3-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1236-6-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1236-17-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1236-25-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1236-1-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/2040-20-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/2040-27-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/2244-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2956-23-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2956-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2956-29-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download