tinba | 7a9e50aefbe2bc256300765624aa7bd7e54b63061989f4a219c3111817be994f

Analysis

max time kernel
148s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-01-2025 05:05

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General

Target

7a9e50aefbe2bc256300765624aa7bd7e54b63061989f4a219c3111817be994f.exe
Size

152KB
MD5

75b50fca5607bbb290e956b8d2244743
SHA1

297782ef89c0ce1787bd888bfd763caefdee22ec
SHA256

7a9e50aefbe2bc256300765624aa7bd7e54b63061989f4a219c3111817be994f
SHA512

37ef0fa0b04fc1b2c191d021b43d65097545f5af239e4b248f47eb2a64c182778ea9bcad161c4d412dfdb0f1a43ef11b1e60d1f0fc1e11d78ff12954e4f04550
SSDEEP

1536:gH1k5kZccmK9OM1q6wY/6nBRiOW+bUciXDyeAvX0J7M6QG9wIav2U6q:syM3ERQoem9G9wluu

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\AA5081F2 = "C:\\Users\\Admin\\AppData\\Roaming\\AA5081F2\\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	7a9e50aefbe2bc256300765624aa7bd7e54b63061989f4a219c3111817be994f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe
2280	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2280	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1860	7a9e50aefbe2bc256300765624aa7bd7e54b63061989f4a219c3111817be994f.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 2280	1860	7a9e50aefbe2bc256300765624aa7bd7e54b63061989f4a219c3111817be994f.exe	28
PID 1860 wrote to memory of 2280	1860	7a9e50aefbe2bc256300765624aa7bd7e54b63061989f4a219c3111817be994f.exe	28
PID 1860 wrote to memory of 2280	1860	7a9e50aefbe2bc256300765624aa7bd7e54b63061989f4a219c3111817be994f.exe	28
PID 1860 wrote to memory of 2280	1860	7a9e50aefbe2bc256300765624aa7bd7e54b63061989f4a219c3111817be994f.exe	28
PID 1860 wrote to memory of 2280	1860	7a9e50aefbe2bc256300765624aa7bd7e54b63061989f4a219c3111817be994f.exe	28
PID 2280 wrote to memory of 1216	2280	winver.exe	21
PID 2280 wrote to memory of 1116	2280	winver.exe	19
PID 2280 wrote to memory of 1176	2280	winver.exe	20
PID 2280 wrote to memory of 1216	2280	winver.exe	21
PID 2280 wrote to memory of 1728	2280	winver.exe	23
PID 2280 wrote to memory of 1860	2280	winver.exe	27

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\7a9e50aefbe2bc256300765624aa7bd7e54b63061989f4a219c3111817be994f.exe
  "C:\Users\Admin\AppData\Local\Temp\7a9e50aefbe2bc256300765624aa7bd7e54b63061989f4a219c3111817be994f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - 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:2280

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1728

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/1116-32-0x0000000000410000-0x0000000000417000-memory.dmp

Filesize
28KB

Download
memory/1116-28-0x0000000077871000-0x0000000077872000-memory.dmp

Filesize
4KB

Download
memory/1116-17-0x0000000000410000-0x0000000000417000-memory.dmp

Filesize
28KB

Download
memory/1176-20-0x00000000001B0000-0x00000000001B7000-memory.dmp

Filesize
28KB

Download
memory/1176-29-0x00000000001B0000-0x00000000001B7000-memory.dmp

Filesize
28KB

Download
memory/1216-7-0x0000000002990000-0x0000000002997000-memory.dmp

Filesize
28KB

Download
memory/1216-14-0x0000000077871000-0x0000000077872000-memory.dmp

Filesize
4KB

Download
memory/1216-27-0x00000000029A0000-0x00000000029A7000-memory.dmp

Filesize
28KB

Download
memory/1216-4-0x0000000002990000-0x0000000002997000-memory.dmp

Filesize
28KB

Download
memory/1216-3-0x0000000002990000-0x0000000002997000-memory.dmp

Filesize
28KB

Download
memory/1216-23-0x00000000029A0000-0x00000000029A7000-memory.dmp

Filesize
28KB

Download
memory/1728-25-0x0000000001DB0000-0x0000000001DB7000-memory.dmp

Filesize
28KB

Download
memory/1728-30-0x0000000001DB0000-0x0000000001DB7000-memory.dmp

Filesize
28KB

Download
memory/1728-31-0x0000000077871000-0x0000000077872000-memory.dmp

Filesize
4KB

Download
memory/1860-2-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/1860-0-0x0000000000410000-0x0000000000413000-memory.dmp

Filesize
12KB

Download
memory/1860-8-0x0000000001EE0000-0x00000000028E0000-memory.dmp

Filesize
10.0MB

Download
memory/1860-1-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1860-34-0x0000000001EE0000-0x00000000028E0000-memory.dmp

Filesize
10.0MB

Download
memory/2280-9-0x0000000000160000-0x0000000000167000-memory.dmp

Filesize
28KB

Download
memory/2280-10-0x0000000077A20000-0x0000000077A21000-memory.dmp

Filesize
4KB

Download
memory/2280-11-0x0000000077A1F000-0x0000000077A20000-memory.dmp

Filesize
4KB

Download
memory/2280-12-0x0000000077A1F000-0x0000000077A21000-memory.dmp

Filesize
8KB

Download
memory/2280-5-0x0000000000160000-0x0000000000167000-memory.dmp

Filesize
28KB

Download
memory/2280-13-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/2280-15-0x0000000077820000-0x00000000779C9000-memory.dmp

Filesize
1.7MB

Download
memory/2280-39-0x0000000000160000-0x0000000000167000-memory.dmp

Filesize
28KB

Download