tinba | 624aaa66bdb190720a3017a21b3ff9b21bd9849f1b1df5b2f1305cd24359c78a

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
31/08/2024, 11:28

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General

Target

8a3c975f041bcec99b0495f9e67366b68baac6d0c5deb11dd11a77270892befe.exe
Size

88KB
MD5

b7620b6adf5f0bd58d84f7cde0e3dcfb
SHA1

a20820d463caece8930917c193d2c344049740d3
SHA256

8a3c975f041bcec99b0495f9e67366b68baac6d0c5deb11dd11a77270892befe
SHA512

f40511b157528f234cea14bea4b9357ec913ebde8fe2245c6a6e646433d1cc5581d3f5178f3c3b2c569dcf38d0a1a415dbd7abfe3d60f033ea74ebba25dc12e9
SSDEEP

1536:v5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsN:v5fvp12UFKcD/6jwqWsN

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

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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\26694558 = "C:\\Users\\Admin\\AppData\\Roaming\\26694558\\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	8a3c975f041bcec99b0495f9e67366b68baac6d0c5deb11dd11a77270892befe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe
2704	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2704	winver.exe
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2704	2880	8a3c975f041bcec99b0495f9e67366b68baac6d0c5deb11dd11a77270892befe.exe	31
PID 2880 wrote to memory of 2704	2880	8a3c975f041bcec99b0495f9e67366b68baac6d0c5deb11dd11a77270892befe.exe	31
PID 2880 wrote to memory of 2704	2880	8a3c975f041bcec99b0495f9e67366b68baac6d0c5deb11dd11a77270892befe.exe	31
PID 2880 wrote to memory of 2704	2880	8a3c975f041bcec99b0495f9e67366b68baac6d0c5deb11dd11a77270892befe.exe	31
PID 2880 wrote to memory of 2704	2880	8a3c975f041bcec99b0495f9e67366b68baac6d0c5deb11dd11a77270892befe.exe	31
PID 2704 wrote to memory of 1208	2704	winver.exe	21
PID 2704 wrote to memory of 1092	2704	winver.exe	19
PID 2704 wrote to memory of 1168	2704	winver.exe	20
PID 2704 wrote to memory of 1208	2704	winver.exe	21
PID 2704 wrote to memory of 344	2704	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1092

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1208
- C:\Users\Admin\AppData\Local\Temp\8a3c975f041bcec99b0495f9e67366b68baac6d0c5deb11dd11a77270892befe.exe
  "C:\Users\Admin\AppData\Local\Temp\8a3c975f041bcec99b0495f9e67366b68baac6d0c5deb11dd11a77270892befe.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2880
- - 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:2704

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:344

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/344-30-0x00000000023E0000-0x00000000023E6000-memory.dmp

Filesize
24KB

Download
memory/344-37-0x00000000023E0000-0x00000000023E6000-memory.dmp

Filesize
24KB

Download
memory/344-22-0x00000000023E0000-0x00000000023E6000-memory.dmp

Filesize
24KB

Download
memory/344-31-0x0000000077151000-0x0000000077152000-memory.dmp

Filesize
4KB

Download
memory/344-32-0x0000000077151000-0x0000000077152000-memory.dmp

Filesize
4KB

Download
memory/1092-25-0x0000000077151000-0x0000000077152000-memory.dmp

Filesize
4KB

Download
memory/1092-34-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1092-23-0x0000000077151000-0x0000000077152000-memory.dmp

Filesize
4KB

Download
memory/1092-26-0x0000000077151000-0x0000000077152000-memory.dmp

Filesize
4KB

Download
memory/1092-33-0x0000000077151000-0x0000000077152000-memory.dmp

Filesize
4KB

Download
memory/1168-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-18-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-27-0x0000000077151000-0x0000000077152000-memory.dmp

Filesize
4KB

Download
memory/1208-3-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1208-1-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1208-28-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1208-9-0x0000000077151000-0x0000000077152000-memory.dmp

Filesize
4KB

Download
memory/1208-20-0x0000000002020000-0x0000000002026000-memory.dmp

Filesize
24KB

Download
memory/1208-2-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/2704-7-0x00000000772FF000-0x0000000077300000-memory.dmp

Filesize
4KB

Download
memory/2704-6-0x0000000077300000-0x0000000077301000-memory.dmp

Filesize
4KB

Download
memory/2704-10-0x0000000077100000-0x00000000772A9000-memory.dmp

Filesize
1.7MB

Download
memory/2704-24-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2704-5-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2704-8-0x00000000772FF000-0x0000000077301000-memory.dmp

Filesize
8KB

Download
memory/2880-4-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/2880-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2880-12-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/2880-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download