tinba | 93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 14:41

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General

Target

93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082N.exe
Size

52KB
MD5

74b14e8c7741f925fda4e924523e1fb0
SHA1

05e3d648420c8df95808a84ee983a0a34c4190c3
SHA256

93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082
SHA512

6bb513d1e0b1696e9b52e3654070492cb1080d9372fc5b39a0177023da329abcef3dd548d0f2f9798703510f48b200b1a31dcf4f16fbfb5581959e959c4b600f
SSDEEP

768:avC6RMtZNZUXeb4fXDR2JVDDISp8m7DM3pIg4LqTTUUnGg7O1/l9Jq/:qmZNZUXeQXFhS6sM3prUSGg7O1d9Ja

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\26D7BB9E = "C:\\Users\\Admin\\AppData\\Roaming\\26D7BB9E\\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	93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe
2780	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2780	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 2780	1508	93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082N.exe	32
PID 1508 wrote to memory of 2780	1508	93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082N.exe	32
PID 1508 wrote to memory of 2780	1508	93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082N.exe	32
PID 1508 wrote to memory of 2780	1508	93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082N.exe	32
PID 1508 wrote to memory of 2780	1508	93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082N.exe	32
PID 2780 wrote to memory of 1120	2780	winver.exe	20
PID 2780 wrote to memory of 1048	2780	winver.exe	17
PID 2780 wrote to memory of 1076	2780	winver.exe	19
PID 2780 wrote to memory of 1120	2780	winver.exe	20
PID 2780 wrote to memory of 1236	2780	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1048

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1076

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1120
- C:\Users\Admin\AppData\Local\Temp\93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082N.exe
  "C:\Users\Admin\AppData\Local\Temp\93d1441a2d2a105134e86c79ee2d1f54ca40a20cb634873d92a91428b5555082N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1508
- - 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:2780

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1236

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/1048-24-0x00000000772E1000-0x00000000772E2000-memory.dmp

Filesize
4KB

Download
memory/1048-23-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1076-18-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1076-25-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1120-1-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1120-2-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1120-26-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/1120-9-0x00000000772E1000-0x00000000772E2000-memory.dmp

Filesize
4KB

Download
memory/1120-3-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1120-20-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/1236-22-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1236-27-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1236-28-0x00000000772E1000-0x00000000772E2000-memory.dmp

Filesize
4KB

Download
memory/1508-4-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/1508-12-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/1508-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1508-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2780-7-0x000000007748F000-0x0000000077490000-memory.dmp

Filesize
4KB

Download
memory/2780-10-0x0000000077290000-0x0000000077439000-memory.dmp

Filesize
1.7MB

Download
memory/2780-29-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2780-5-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2780-8-0x000000007748F000-0x0000000077491000-memory.dmp

Filesize
8KB

Download
memory/2780-6-0x0000000077490000-0x0000000077491000-memory.dmp

Filesize
4KB

Download