tinba | 31c330d754150f69c6ec52492dad8c864f35263bd36d65d1cd98f019606a0b31

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
16-01-2025 18:10

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General

Target

31c330d754150f69c6ec52492dad8c864f35263bd36d65d1cd98f019606a0b31.exe
Size

45KB
MD5

69679360e804f8dd888ce54faf9d2707
SHA1

0d3514b974f13a6fb37ea4cccaea720fac0812e2
SHA256

31c330d754150f69c6ec52492dad8c864f35263bd36d65d1cd98f019606a0b31
SHA512

b2bcdf5ac46894c76d00062fb0028fdad295a583e16573a756fd43648ca78ea70e805dc5b5f95c2a1dfa7e8d35be7b825a9341c1c78e050bf102732516f20119
SSDEEP

768:ghP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2H:csWE9N5dFu53dsniQaB/xZ14n7zIF+qT

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\82372391 = "C:\\Users\\Admin\\AppData\\Roaming\\82372391\\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/2792-0-0x0000000000400000-0x000000000041D000-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	31c330d754150f69c6ec52492dad8c864f35263bd36d65d1cd98f019606a0b31.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe
2552	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2552	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2552	2792	31c330d754150f69c6ec52492dad8c864f35263bd36d65d1cd98f019606a0b31.exe	30
PID 2792 wrote to memory of 2552	2792	31c330d754150f69c6ec52492dad8c864f35263bd36d65d1cd98f019606a0b31.exe	30
PID 2792 wrote to memory of 2552	2792	31c330d754150f69c6ec52492dad8c864f35263bd36d65d1cd98f019606a0b31.exe	30
PID 2792 wrote to memory of 2552	2792	31c330d754150f69c6ec52492dad8c864f35263bd36d65d1cd98f019606a0b31.exe	30
PID 2792 wrote to memory of 2552	2792	31c330d754150f69c6ec52492dad8c864f35263bd36d65d1cd98f019606a0b31.exe	30
PID 2552 wrote to memory of 1360	2552	winver.exe	20
PID 2552 wrote to memory of 1232	2552	winver.exe	18
PID 2552 wrote to memory of 1320	2552	winver.exe	19
PID 2552 wrote to memory of 1360	2552	winver.exe	20
PID 2552 wrote to memory of 928	2552	winver.exe	22

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1232

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1320

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1360
- C:\Users\Admin\AppData\Local\Temp\31c330d754150f69c6ec52492dad8c864f35263bd36d65d1cd98f019606a0b31.exe
  "C:\Users\Admin\AppData\Local\Temp\31c330d754150f69c6ec52492dad8c864f35263bd36d65d1cd98f019606a0b31.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2792
- - 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:2552

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:928

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/928-35-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/928-39-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/928-26-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/928-31-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/928-32-0x0000000000500000-0x0000000000506000-memory.dmp

Filesize
24KB

Download
memory/928-33-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1232-27-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1232-28-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1320-20-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1320-29-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1360-10-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1360-3-0x00000000026B0000-0x00000000026B6000-memory.dmp

Filesize
24KB

Download
memory/1360-4-0x00000000026B0000-0x00000000026B6000-memory.dmp

Filesize
24KB

Download
memory/1360-23-0x0000000001D80000-0x0000000001D86000-memory.dmp

Filesize
24KB

Download
memory/1360-2-0x00000000026B0000-0x00000000026B6000-memory.dmp

Filesize
24KB

Download
memory/1360-30-0x0000000001D80000-0x0000000001D86000-memory.dmp

Filesize
24KB

Download
memory/2552-7-0x00000000777C0000-0x00000000777C1000-memory.dmp

Filesize
4KB

Download
memory/2552-8-0x00000000777BF000-0x00000000777C0000-memory.dmp

Filesize
4KB

Download
memory/2552-9-0x00000000777BF000-0x00000000777C1000-memory.dmp

Filesize
8KB

Download
memory/2552-34-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2552-6-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2552-11-0x00000000775C0000-0x0000000077769000-memory.dmp

Filesize
1.7MB

Download
memory/2792-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2792-5-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/2792-13-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/2792-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2792-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download