tinba | 58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2ab

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-10-2024 14:11

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General

Target

58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe
Size

45KB
MD5

ba22f908c26d2ab0ad0ba475d9c771f0
SHA1

73225d3b46717d8d0ca130f0213623303a27a0d8
SHA256

58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2ab
SHA512

d560d44a89305b931e58b2fb29a9a69202e4dbd7e499c21859f823a363c2f8b3c8b95ef30ffffa8ba11ca190e2fb2324be5c95111560111fa3f517b33cac8b11
SSDEEP

768:xhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:LsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\8093D2BD = "C:\\Users\\Admin\\AppData\\Roaming\\8093D2BD\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.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 3 IoCs

pid	Process
2552	winver.exe
1180	Explorer.EXE
1180	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1180	Explorer.EXE
1180	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2552	2792	58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe	31
PID 2792 wrote to memory of 2552	2792	58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe	31
PID 2792 wrote to memory of 2552	2792	58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe	31
PID 2792 wrote to memory of 2552	2792	58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe	31
PID 2792 wrote to memory of 2552	2792	58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe	31
PID 2552 wrote to memory of 1180	2552	winver.exe	21
PID 2552 wrote to memory of 1060	2552	winver.exe	17
PID 2552 wrote to memory of 1116	2552	winver.exe	19
PID 2552 wrote to memory of 1180	2552	winver.exe	21
PID 2552 wrote to memory of 1248	2552	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1060

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1180
- C:\Users\Admin\AppData\Local\Temp\58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.exe
  "C:\Users\Admin\AppData\Local\Temp\58d26bf588e13a07a569ee8539df6c3aa7a3ca2a97527cf46e177cce3993a2abN.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:1248

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/1060-27-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1116-25-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1116-26-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/1116-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1180-22-0x0000000002460000-0x0000000002466000-memory.dmp

Filesize
24KB

Download
memory/1180-4-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1180-3-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1180-2-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1180-10-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/1180-28-0x0000000002460000-0x0000000002466000-memory.dmp

Filesize
24KB

Download
memory/1248-29-0x0000000001CC0000-0x0000000001CC6000-memory.dmp

Filesize
24KB

Download
memory/1248-30-0x00000000774C1000-0x00000000774C2000-memory.dmp

Filesize
4KB

Download
memory/1248-24-0x0000000001CC0000-0x0000000001CC6000-memory.dmp

Filesize
24KB

Download
memory/2552-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2552-7-0x0000000077670000-0x0000000077671000-memory.dmp

Filesize
4KB

Download
memory/2552-8-0x000000007766F000-0x0000000077670000-memory.dmp

Filesize
4KB

Download
memory/2552-9-0x000000007766F000-0x0000000077671000-memory.dmp

Filesize
8KB

Download
memory/2552-11-0x0000000077470000-0x0000000077619000-memory.dmp

Filesize
1.7MB

Download
memory/2552-31-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2792-5-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/2792-13-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

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

Filesize
116KB

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

Filesize
4KB

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

Filesize
116KB

Download