tinba | 41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 09:07

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General

Target

41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe
Size

610KB
MD5

b7a07a8d9f92d28a4e2244072ec88cae
SHA1

621cfc26e530f797dbf37a33c08a179dc2def842
SHA256

41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe
SHA512

1dd855d5c9542d0a68c7a9d49af7f86214674bbb17104b60d4d8f58dff0be0dbcd668884d2259e8a1202678a38e21d2356c3e72c10bd5416d1b85e3806546b9e
SSDEEP

12288:VATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:/T+KjUdQqboyyWoK1NGqzuhx

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\C054AF48 = "C:\\Users\\Admin\\AppData\\Roaming\\C054AF48\\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	41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe
2164	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2164	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2164	2132	41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe	30
PID 2132 wrote to memory of 2164	2132	41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe	30
PID 2132 wrote to memory of 2164	2132	41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe	30
PID 2132 wrote to memory of 2164	2132	41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe	30
PID 2132 wrote to memory of 2164	2132	41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe	30
PID 2164 wrote to memory of 1344	2164	winver.exe	21
PID 2164 wrote to memory of 1172	2164	winver.exe	19
PID 2164 wrote to memory of 1284	2164	winver.exe	20
PID 2164 wrote to memory of 1344	2164	winver.exe	21
PID 2164 wrote to memory of 1488	2164	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1284

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1344
- C:\Users\Admin\AppData\Local\Temp\41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe
  "C:\Users\Admin\AppData\Local\Temp\41de8de08a5205a1ec73d2df77f48c2c1af4e3f0ebd5f6ed972edfca1c0aeffe.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2132
- - 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:2164

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1488

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/1172-26-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

Filesize
24KB

Download
memory/1172-11-0x0000000001BC0000-0x0000000001BC6000-memory.dmp

Filesize
24KB

Download
memory/1284-14-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1284-25-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1344-3-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1344-6-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1344-1-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1344-17-0x0000000002A90000-0x0000000002A96000-memory.dmp

Filesize
24KB

Download
memory/1344-24-0x0000000002A90000-0x0000000002A96000-memory.dmp

Filesize
24KB

Download
memory/1488-27-0x0000000001DD0000-0x0000000001DD6000-memory.dmp

Filesize
24KB

Download
memory/1488-20-0x0000000001DD0000-0x0000000001DD6000-memory.dmp

Filesize
24KB

Download
memory/2132-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2164-4-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2164-23-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/2164-29-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download