tinba | f77a2f4b16c44c3a63cd3bbd40974c470219f1109f9bc15806ba30594a7d601d

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 04:08

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General

Target

f77a2f4b16c44c3a63cd3bbd40974c470219f1109f9bc15806ba30594a7d601dN.exe
Size

45KB
MD5

33a9979dfa97af61faac61eac104dcf0
SHA1

07ebf891a12a6b7e1186bfca8110ce9ee029f1b8
SHA256

f77a2f4b16c44c3a63cd3bbd40974c470219f1109f9bc15806ba30594a7d601d
SHA512

f2ec11efe222a208ba23cd313a4aa3ccdbde41af582c2f565d36d8086c86c8e8e68c35edae19574c07f1136f24f0564f0e21035edd3cbc645e51c54b3c6995be
SSDEEP

768:8hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:wsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\DA0E9020 = "C:\\Users\\Admin\\AppData\\Roaming\\DA0E9020\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2096-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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	f77a2f4b16c44c3a63cd3bbd40974c470219f1109f9bc15806ba30594a7d601dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2316	winver.exe
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2316	2096	f77a2f4b16c44c3a63cd3bbd40974c470219f1109f9bc15806ba30594a7d601dN.exe	32
PID 2096 wrote to memory of 2316	2096	f77a2f4b16c44c3a63cd3bbd40974c470219f1109f9bc15806ba30594a7d601dN.exe	32
PID 2096 wrote to memory of 2316	2096	f77a2f4b16c44c3a63cd3bbd40974c470219f1109f9bc15806ba30594a7d601dN.exe	32
PID 2096 wrote to memory of 2316	2096	f77a2f4b16c44c3a63cd3bbd40974c470219f1109f9bc15806ba30594a7d601dN.exe	32
PID 2096 wrote to memory of 2316	2096	f77a2f4b16c44c3a63cd3bbd40974c470219f1109f9bc15806ba30594a7d601dN.exe	32
PID 2316 wrote to memory of 1268	2316	winver.exe	21
PID 2316 wrote to memory of 1128	2316	winver.exe	19
PID 2316 wrote to memory of 1212	2316	winver.exe	20
PID 2316 wrote to memory of 1268	2316	winver.exe	21
PID 2316 wrote to memory of 628	2316	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1212

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1268
- C:\Users\Admin\AppData\Local\Temp\f77a2f4b16c44c3a63cd3bbd40974c470219f1109f9bc15806ba30594a7d601dN.exe
  "C:\Users\Admin\AppData\Local\Temp\f77a2f4b16c44c3a63cd3bbd40974c470219f1109f9bc15806ba30594a7d601dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2096
- - 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:2316

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:628

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/628-27-0x0000000077291000-0x0000000077292000-memory.dmp

Filesize
4KB

Download
memory/628-26-0x0000000001E00000-0x0000000001E06000-memory.dmp

Filesize
24KB

Download
memory/628-24-0x0000000001E00000-0x0000000001E06000-memory.dmp

Filesize
24KB

Download
memory/1128-28-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1128-29-0x0000000077291000-0x0000000077292000-memory.dmp

Filesize
4KB

Download
memory/1212-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1212-31-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1268-3-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1268-10-0x0000000077291000-0x0000000077292000-memory.dmp

Filesize
4KB

Download
memory/1268-25-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1268-2-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1268-4-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1268-22-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/2096-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2096-13-0x0000000001E90000-0x0000000002890000-memory.dmp

Filesize
10.0MB

Download
memory/2096-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2096-5-0x0000000001E90000-0x0000000002890000-memory.dmp

Filesize
10.0MB

Download
memory/2096-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2316-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2316-8-0x000000007743F000-0x0000000077440000-memory.dmp

Filesize
4KB

Download
memory/2316-9-0x000000007743F000-0x0000000077441000-memory.dmp

Filesize
8KB

Download
memory/2316-30-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2316-7-0x0000000077440000-0x0000000077441000-memory.dmp

Filesize
4KB

Download
memory/2316-11-0x0000000077240000-0x00000000773E9000-memory.dmp

Filesize
1.7MB

Download