tinba | 28a7f7375fb9c1b74f6c5f5bea60eb5ada0c8bebe63f37d761f4e853cecfce38

Analysis

max time kernel
119s
max time network
117s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 12:46

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General

Target

28a7f7375fb9c1b74f6c5f5bea60eb5ada0c8bebe63f37d761f4e853cecfce38.exe
Size

148KB
MD5

47eb3589f207cb590b8fd20ed3b54260
SHA1

6fddab4f41861a008c055aeb4c3e2c1d7e2d74c4
SHA256

28a7f7375fb9c1b74f6c5f5bea60eb5ada0c8bebe63f37d761f4e853cecfce38
SHA512

e6005b06609fd4d167c753b0b177496416b041e50a1f3bdea819f014f66531133c7037eabf2403d2ff73ff9268f165489d20d2b697efab6dc2f970d63cbec347
SSDEEP

1536:rv+pJdyvHh9Yvu356AlGC/kpNfDnfn8bbxvVOu3MwJMaKtqj78gE8v27O+:i/dwh9uu39N81SbxthE8vCO+

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\9A2391ED = "C:\\Users\\Admin\\AppData\\Roaming\\9A2391ED\\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	28a7f7375fb9c1b74f6c5f5bea60eb5ada0c8bebe63f37d761f4e853cecfce38.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 59 IoCs

pid	Process
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe
2272	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2272	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
848	28a7f7375fb9c1b74f6c5f5bea60eb5ada0c8bebe63f37d761f4e853cecfce38.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 2272	848	28a7f7375fb9c1b74f6c5f5bea60eb5ada0c8bebe63f37d761f4e853cecfce38.exe	28
PID 848 wrote to memory of 2272	848	28a7f7375fb9c1b74f6c5f5bea60eb5ada0c8bebe63f37d761f4e853cecfce38.exe	28
PID 848 wrote to memory of 2272	848	28a7f7375fb9c1b74f6c5f5bea60eb5ada0c8bebe63f37d761f4e853cecfce38.exe	28
PID 848 wrote to memory of 2272	848	28a7f7375fb9c1b74f6c5f5bea60eb5ada0c8bebe63f37d761f4e853cecfce38.exe	28
PID 848 wrote to memory of 2272	848	28a7f7375fb9c1b74f6c5f5bea60eb5ada0c8bebe63f37d761f4e853cecfce38.exe	28
PID 2272 wrote to memory of 1196	2272	winver.exe	20
PID 2272 wrote to memory of 1116	2272	winver.exe	18
PID 2272 wrote to memory of 1168	2272	winver.exe	19
PID 2272 wrote to memory of 1196	2272	winver.exe	20
PID 2272 wrote to memory of 1192	2272	winver.exe	22

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\28a7f7375fb9c1b74f6c5f5bea60eb5ada0c8bebe63f37d761f4e853cecfce38.exe
  "C:\Users\Admin\AppData\Local\Temp\28a7f7375fb9c1b74f6c5f5bea60eb5ada0c8bebe63f37d761f4e853cecfce38.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:848
- - 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:2272

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/848-13-0x0000000000400000-0x0000000000404A00-memory.dmp

Filesize
18KB

Download
memory/848-1-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/848-2-0x0000000000260000-0x0000000000262000-memory.dmp

Filesize
8KB

Download
memory/848-3-0x00000000020A0000-0x0000000002AA0000-memory.dmp

Filesize
10.0MB

Download
memory/848-0-0x000000000040C000-0x000000000040F000-memory.dmp

Filesize
12KB

Download
memory/848-14-0x00000000020A0000-0x0000000002AA0000-memory.dmp

Filesize
10.0MB

Download
memory/1116-17-0x0000000001FE0000-0x0000000001FE7000-memory.dmp

Filesize
28KB

Download
memory/1116-26-0x0000000001FE0000-0x0000000001FE7000-memory.dmp

Filesize
28KB

Download
memory/1116-27-0x0000000077921000-0x0000000077922000-memory.dmp

Filesize
4KB

Download
memory/1168-28-0x00000000001B0000-0x00000000001B7000-memory.dmp

Filesize
28KB

Download
memory/1168-20-0x00000000001B0000-0x00000000001B7000-memory.dmp

Filesize
28KB

Download
memory/1192-30-0x0000000077921000-0x0000000077922000-memory.dmp

Filesize
4KB

Download
memory/1192-25-0x0000000001F10000-0x0000000001F17000-memory.dmp

Filesize
28KB

Download
memory/1192-29-0x0000000001F10000-0x0000000001F17000-memory.dmp

Filesize
28KB

Download
memory/1196-4-0x0000000002090000-0x0000000002097000-memory.dmp

Filesize
28KB

Download
memory/1196-31-0x00000000020A0000-0x00000000020A7000-memory.dmp

Filesize
28KB

Download
memory/1196-22-0x00000000020A0000-0x00000000020A7000-memory.dmp

Filesize
28KB

Download
memory/1196-11-0x0000000077921000-0x0000000077922000-memory.dmp

Filesize
4KB

Download
memory/1196-5-0x0000000002090000-0x0000000002097000-memory.dmp

Filesize
28KB

Download
memory/1196-7-0x0000000002090000-0x0000000002097000-memory.dmp

Filesize
28KB

Download
memory/2272-6-0x00000000000B0000-0x00000000000B7000-memory.dmp

Filesize
28KB

Download
memory/2272-9-0x0000000000221000-0x0000000000222000-memory.dmp

Filesize
4KB

Download
memory/2272-12-0x00000000778D0000-0x0000000077A79000-memory.dmp

Filesize
1.7MB

Download
memory/2272-10-0x0000000000220000-0x0000000000236000-memory.dmp

Filesize
88KB

Download