tinba | e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72

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
23-11-2024 11:07

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General

Target

e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72.exe
Size

88KB
MD5

f9184beb307d15d938b1ac7a199db823
SHA1

2e80eb9d70aa5572d9b191aa4f91613cf75a88d3
SHA256

e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72
SHA512

f196a028cb390f416ca8a6305106cb9e816c255d07c38651fe77381cba60a858e38fcd75fe0e6f881532c4ba7561064e21fee683d89d51caf7897f1bae9df246
SSDEEP

1536:T5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:T5fvp12UFKcD/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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\D6E25B67 = "C:\\Users\\Admin\\AppData\\Roaming\\D6E25B67\\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	e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe
2812	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2812	winver.exe
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2812	2676	e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72.exe	31
PID 2676 wrote to memory of 2812	2676	e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72.exe	31
PID 2676 wrote to memory of 2812	2676	e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72.exe	31
PID 2676 wrote to memory of 2812	2676	e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72.exe	31
PID 2676 wrote to memory of 2812	2676	e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72.exe	31
PID 2812 wrote to memory of 1244	2812	winver.exe	21
PID 2812 wrote to memory of 1116	2812	winver.exe	19
PID 2812 wrote to memory of 1180	2812	winver.exe	20
PID 2812 wrote to memory of 1244	2812	winver.exe	21
PID 2812 wrote to memory of 1440	2812	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1244
- C:\Users\Admin\AppData\Local\Temp\e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72.exe
  "C:\Users\Admin\AppData\Local\Temp\e55f92e9141c8406dd29dd488f12f7ae1fe8baa658ce1e238f3d473b58265b72.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2676
- - 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:2812

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1440

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/1116-27-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

Filesize
4KB

Download
memory/1116-26-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1180-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1180-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1244-9-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

Filesize
4KB

Download
memory/1244-1-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/1244-2-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/1244-28-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1244-3-0x00000000029B0000-0x00000000029B6000-memory.dmp

Filesize
24KB

Download
memory/1244-22-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1440-31-0x0000000001E90000-0x0000000001E96000-memory.dmp

Filesize
24KB

Download
memory/1440-32-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

Filesize
4KB

Download
memory/1440-25-0x0000000001E90000-0x0000000001E96000-memory.dmp

Filesize
24KB

Download
memory/2676-4-0x0000000001BB0000-0x00000000025B0000-memory.dmp

Filesize
10.0MB

Download
memory/2676-12-0x0000000001BB0000-0x00000000025B0000-memory.dmp

Filesize
10.0MB

Download
memory/2676-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2676-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2812-10-0x0000000077A50000-0x0000000077BF9000-memory.dmp

Filesize
1.7MB

Download
memory/2812-5-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2812-6-0x0000000077C50000-0x0000000077C51000-memory.dmp

Filesize
4KB

Download
memory/2812-7-0x0000000077C4F000-0x0000000077C50000-memory.dmp

Filesize
4KB

Download
memory/2812-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2812-8-0x0000000077C4F000-0x0000000077C51000-memory.dmp

Filesize
8KB

Download