tinba | f7a165827ce9ca724e2c15f0083d0ffda56b67e9c988bf178ac4ed805acd895b

Analysis

max time kernel
149s
max time network
145s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 04:21

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General

Target

f7a165827ce9ca724e2c15f0083d0ffda56b67e9c988bf178ac4ed805acd895b.exe
Size

610KB
MD5

859f278d1e0ad0e6d991ceb521c11517
SHA1

025dda76b5b38c8849b0b9854d2d77d0d7f7e978
SHA256

f7a165827ce9ca724e2c15f0083d0ffda56b67e9c988bf178ac4ed805acd895b
SHA512

fe953d7de34eda7c19f0eebbef9714be54eb62b724091d70fc80d42690909320daf2a62cbe06be4599625dbbcf79c345a015e2bc4f34c09d1a83c8ade755cea5
SSDEEP

12288:sATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:CT+KjUdQqboyyWoK1NGqzuhj

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\01B92619 = "C:\\Users\\Admin\\AppData\\Roaming\\01B92619\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	f7a165827ce9ca724e2c15f0083d0ffda56b67e9c988bf178ac4ed805acd895b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 61 IoCs

pid	Process
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2840	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2840	2644	f7a165827ce9ca724e2c15f0083d0ffda56b67e9c988bf178ac4ed805acd895b.exe	30
PID 2644 wrote to memory of 2840	2644	f7a165827ce9ca724e2c15f0083d0ffda56b67e9c988bf178ac4ed805acd895b.exe	30
PID 2644 wrote to memory of 2840	2644	f7a165827ce9ca724e2c15f0083d0ffda56b67e9c988bf178ac4ed805acd895b.exe	30
PID 2644 wrote to memory of 2840	2644	f7a165827ce9ca724e2c15f0083d0ffda56b67e9c988bf178ac4ed805acd895b.exe	30
PID 2644 wrote to memory of 2840	2644	f7a165827ce9ca724e2c15f0083d0ffda56b67e9c988bf178ac4ed805acd895b.exe	30
PID 2840 wrote to memory of 1196	2840	winver.exe	21
PID 2840 wrote to memory of 1116	2840	winver.exe	19
PID 2840 wrote to memory of 1172	2840	winver.exe	20
PID 2840 wrote to memory of 1196	2840	winver.exe	21
PID 2840 wrote to memory of 1192	2840	winver.exe	25
PID 2840 wrote to memory of 2644	2840	winver.exe	29

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\f7a165827ce9ca724e2c15f0083d0ffda56b67e9c988bf178ac4ed805acd895b.exe
  "C:\Users\Admin\AppData\Local\Temp\f7a165827ce9ca724e2c15f0083d0ffda56b67e9c988bf178ac4ed805acd895b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2644
- - 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:2840

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1192

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 Information Discovery

T1082

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/1116-26-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1116-11-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1172-28-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1172-14-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1192-20-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1192-29-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1196-6-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1196-17-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1196-1-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1196-27-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/2644-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2840-25-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2840-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2840-31-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download