tinba | d2a6d70ab0eaf14f90e230613dc0844b3e5d44102ade248a2589318082dde8ba

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-01-2025 14:23

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General

Target

d2a6d70ab0eaf14f90e230613dc0844b3e5d44102ade248a2589318082dde8ba.exe
Size

45KB
MD5

0a15818c8a14f02eceac0e00a5ee615d
SHA1

73c26bb30a39d82521aad09ecf59e68ba35a2795
SHA256

d2a6d70ab0eaf14f90e230613dc0844b3e5d44102ade248a2589318082dde8ba
SHA512

6c181188e1aecb55a81c45d5f0dca00db4dba12c30db3a9585b320555d024510cb9b638e9f7597eac2e480c9c9ece0147fca77fe9d0dc7194bcc9890f6662a75
SSDEEP

768:lhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:3sWE9N5dFu53dsniQaB/xZ14n7zIF+q7

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\666FCE5A = "C:\\Users\\Admin\\AppData\\Roaming\\666FCE5A\\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/1860-0-0x0000000000400000-0x000000000041D000-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	d2a6d70ab0eaf14f90e230613dc0844b3e5d44102ade248a2589318082dde8ba.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe
2520	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2520	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 2520	1860	d2a6d70ab0eaf14f90e230613dc0844b3e5d44102ade248a2589318082dde8ba.exe	31
PID 1860 wrote to memory of 2520	1860	d2a6d70ab0eaf14f90e230613dc0844b3e5d44102ade248a2589318082dde8ba.exe	31
PID 1860 wrote to memory of 2520	1860	d2a6d70ab0eaf14f90e230613dc0844b3e5d44102ade248a2589318082dde8ba.exe	31
PID 1860 wrote to memory of 2520	1860	d2a6d70ab0eaf14f90e230613dc0844b3e5d44102ade248a2589318082dde8ba.exe	31
PID 1860 wrote to memory of 2520	1860	d2a6d70ab0eaf14f90e230613dc0844b3e5d44102ade248a2589318082dde8ba.exe	31
PID 2520 wrote to memory of 1216	2520	winver.exe	21
PID 2520 wrote to memory of 1128	2520	winver.exe	19
PID 2520 wrote to memory of 1184	2520	winver.exe	20
PID 2520 wrote to memory of 1216	2520	winver.exe	21
PID 2520 wrote to memory of 1272	2520	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1184

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\d2a6d70ab0eaf14f90e230613dc0844b3e5d44102ade248a2589318082dde8ba.exe
  "C:\Users\Admin\AppData\Local\Temp\d2a6d70ab0eaf14f90e230613dc0844b3e5d44102ade248a2589318082dde8ba.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1860
- - 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:2520

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1272

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/1128-27-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1128-28-0x00000000775E1000-0x00000000775E2000-memory.dmp

Filesize
4KB

Download
memory/1184-29-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1184-21-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1216-23-0x0000000002FA0000-0x0000000002FA6000-memory.dmp

Filesize
24KB

Download
memory/1216-2-0x0000000002FF0000-0x0000000002FF6000-memory.dmp

Filesize
24KB

Download
memory/1216-3-0x0000000002FF0000-0x0000000002FF6000-memory.dmp

Filesize
24KB

Download
memory/1216-4-0x0000000002FF0000-0x0000000002FF6000-memory.dmp

Filesize
24KB

Download
memory/1216-10-0x00000000775E1000-0x00000000775E2000-memory.dmp

Filesize
4KB

Download
memory/1216-31-0x0000000002FA0000-0x0000000002FA6000-memory.dmp

Filesize
24KB

Download
memory/1272-30-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1272-34-0x00000000775E1000-0x00000000775E2000-memory.dmp

Filesize
4KB

Download
memory/1272-35-0x00000000775E1000-0x00000000775E2000-memory.dmp

Filesize
4KB

Download
memory/1272-32-0x00000000775E1000-0x00000000775E2000-memory.dmp

Filesize
4KB

Download
memory/1272-26-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1272-39-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1860-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1860-13-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/1860-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1860-5-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/1860-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2520-33-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2520-6-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2520-7-0x0000000077790000-0x0000000077791000-memory.dmp

Filesize
4KB

Download
memory/2520-8-0x000000007778F000-0x0000000077790000-memory.dmp

Filesize
4KB

Download
memory/2520-9-0x000000007778F000-0x0000000077791000-memory.dmp

Filesize
8KB

Download
memory/2520-11-0x0000000077590000-0x0000000077739000-memory.dmp

Filesize
1.7MB

Download