tinba | 77f4e525445b32972dbf1722710896bcf84b88a03b5664e48bd9f3dbe29f3af8

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
06/12/2024, 19:57

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General

Target

77f4e525445b32972dbf1722710896bcf84b88a03b5664e48bd9f3dbe29f3af8.exe
Size

110KB
MD5

cf70d18a2c47b4e178e5aff02f359c2c
SHA1

d1bced6598b585153dba8d4aa70922ab9e3bf20f
SHA256

77f4e525445b32972dbf1722710896bcf84b88a03b5664e48bd9f3dbe29f3af8
SHA512

d3f80ccb2681bcf5fe662acbd2f8689856d241f6362bc418780c200343450a0f31d3ec97bde33220b121f5453038b2de14a6ff35628b10e07eb91976d5851ee7
SSDEEP

1536:jiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:jiyvRmDLs/ZrwWJjAqGcRJ2hw

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\55957922 = "C:\\Users\\Admin\\AppData\\Roaming\\55957922\\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/2116-0-0x0000000000400000-0x000000000041E000-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	77f4e525445b32972dbf1722710896bcf84b88a03b5664e48bd9f3dbe29f3af8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe
2268	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2268	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2268	2116	77f4e525445b32972dbf1722710896bcf84b88a03b5664e48bd9f3dbe29f3af8.exe	31
PID 2116 wrote to memory of 2268	2116	77f4e525445b32972dbf1722710896bcf84b88a03b5664e48bd9f3dbe29f3af8.exe	31
PID 2116 wrote to memory of 2268	2116	77f4e525445b32972dbf1722710896bcf84b88a03b5664e48bd9f3dbe29f3af8.exe	31
PID 2116 wrote to memory of 2268	2116	77f4e525445b32972dbf1722710896bcf84b88a03b5664e48bd9f3dbe29f3af8.exe	31
PID 2116 wrote to memory of 2268	2116	77f4e525445b32972dbf1722710896bcf84b88a03b5664e48bd9f3dbe29f3af8.exe	31
PID 2268 wrote to memory of 1236	2268	winver.exe	21
PID 2268 wrote to memory of 1116	2268	winver.exe	19
PID 2268 wrote to memory of 1172	2268	winver.exe	20
PID 2268 wrote to memory of 1236	2268	winver.exe	21
PID 2268 wrote to memory of 2040	2268	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1236
- C:\Users\Admin\AppData\Local\Temp\77f4e525445b32972dbf1722710896bcf84b88a03b5664e48bd9f3dbe29f3af8.exe
  "C:\Users\Admin\AppData\Local\Temp\77f4e525445b32972dbf1722710896bcf84b88a03b5664e48bd9f3dbe29f3af8.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2116
- - 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:2268

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2040

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/1116-23-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1116-22-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/1172-24-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/1172-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1172-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1236-33-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1236-4-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1236-3-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1236-2-0x0000000002500000-0x0000000002506000-memory.dmp

Filesize
24KB

Download
memory/1236-21-0x00000000024B0000-0x00000000024B6000-memory.dmp

Filesize
24KB

Download
memory/1236-10-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/2040-27-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/2040-31-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/2040-29-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/2040-28-0x0000000077271000-0x0000000077272000-memory.dmp

Filesize
4KB

Download
memory/2116-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2116-13-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2116-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2116-5-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2116-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2268-32-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2268-7-0x0000000077420000-0x0000000077421000-memory.dmp

Filesize
4KB

Download
memory/2268-8-0x000000007741F000-0x0000000077420000-memory.dmp

Filesize
4KB

Download
memory/2268-9-0x000000007741F000-0x0000000077421000-memory.dmp

Filesize
8KB

Download
memory/2268-11-0x0000000077220000-0x00000000773C9000-memory.dmp

Filesize
1.7MB

Download
memory/2268-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2268-38-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download