tinba | 013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
06/12/2024, 10:19

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General

Target

013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9.exe
Size

88KB
MD5

28e3b869cb32800841d115bc98bbc251
SHA1

9bce57f5ff0433654830ae7f1b6b6c13068ff970
SHA256

013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9
SHA512

65fd80333d52401e45f3278ffb6e7a855f058258c3c1d36e660dee8e89ed2cf4981710a34b2f471a9cffdcd077166d78cd3c99f9d954172a68bb6b711e466658
SSDEEP

1536:F5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:F5fvp12UFKcD/6jwqWsNI

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\CB7E4643 = "C:\\Users\\Admin\\AppData\\Roaming\\CB7E4643\\bin.exe"	winver.exe

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	013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe
2796	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2796	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2796	2488	013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9.exe	32
PID 2488 wrote to memory of 2796	2488	013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9.exe	32
PID 2488 wrote to memory of 2796	2488	013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9.exe	32
PID 2488 wrote to memory of 2796	2488	013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9.exe	32
PID 2488 wrote to memory of 2796	2488	013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9.exe	32
PID 2796 wrote to memory of 1212	2796	winver.exe	21
PID 2796 wrote to memory of 1104	2796	winver.exe	19
PID 2796 wrote to memory of 1192	2796	winver.exe	20
PID 2796 wrote to memory of 1212	2796	winver.exe	21
PID 2796 wrote to memory of 1620	2796	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1192

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9.exe
  "C:\Users\Admin\AppData\Local\Temp\013ffdcc3da783da62f2271cc149764b6b53486995bd55345413d63e509fc4f9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2488
- - 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:2796

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1620

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/1104-24-0x0000000077A71000-0x0000000077A72000-memory.dmp

Filesize
4KB

Download
memory/1104-25-0x0000000002000000-0x0000000002006000-memory.dmp

Filesize
24KB

Download
memory/1104-26-0x0000000077A71000-0x0000000077A72000-memory.dmp

Filesize
4KB

Download
memory/1192-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1192-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1212-9-0x0000000077A71000-0x0000000077A72000-memory.dmp

Filesize
4KB

Download
memory/1212-2-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1212-21-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1212-1-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002E40000-0x0000000002E46000-memory.dmp

Filesize
24KB

Download
memory/1212-27-0x0000000002DF0000-0x0000000002DF6000-memory.dmp

Filesize
24KB

Download
memory/1620-28-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/1620-34-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/1620-23-0x0000000001D10000-0x0000000001D16000-memory.dmp

Filesize
24KB

Download
memory/1620-29-0x0000000077A71000-0x0000000077A72000-memory.dmp

Filesize
4KB

Download
memory/2488-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2488-4-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/2488-12-0x0000000001C80000-0x0000000002680000-memory.dmp

Filesize
10.0MB

Download
memory/2488-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2796-10-0x0000000077A20000-0x0000000077BC9000-memory.dmp

Filesize
1.7MB

Download
memory/2796-5-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2796-6-0x0000000077C20000-0x0000000077C21000-memory.dmp

Filesize
4KB

Download
memory/2796-7-0x0000000077C1F000-0x0000000077C20000-memory.dmp

Filesize
4KB

Download
memory/2796-31-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2796-8-0x0000000077C1F000-0x0000000077C21000-memory.dmp

Filesize
8KB

Download