tinba | a3ae2da8b8a6321e4d6309c9f9d2cc61cee56bc699ed256cd072e843d879b3a8

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 22:59

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General

Target

a3ae2da8b8a6321e4d6309c9f9d2cc61cee56bc699ed256cd072e843d879b3a8N.exe
Size

110KB
MD5

be1fa59ac3153d4e7b4fcc6953700dc0
SHA1

82c8ff5c72b6c1c667b2bec915c409dae47bfc4b
SHA256

a3ae2da8b8a6321e4d6309c9f9d2cc61cee56bc699ed256cd072e843d879b3a8
SHA512

2fedc61decda2a3efd7c1e18e0c4b0b7783d9147aaa4e0762479b563aee20c575bdccc5238bbf5352dba96da1aef023fd4b9ba28d0e4c73d0d3732fd79d00598
SSDEEP

1536:giLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:giyvRmDLs/ZrwWJjAqGcRJ2hA

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\B0268081 = "C:\\Users\\Admin\\AppData\\Roaming\\B0268081\\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/2124-0-0x0000000000400000-0x000000000041E000-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	a3ae2da8b8a6321e4d6309c9f9d2cc61cee56bc699ed256cd072e843d879b3a8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe
2088	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2088	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2088	2124	a3ae2da8b8a6321e4d6309c9f9d2cc61cee56bc699ed256cd072e843d879b3a8N.exe	31
PID 2124 wrote to memory of 2088	2124	a3ae2da8b8a6321e4d6309c9f9d2cc61cee56bc699ed256cd072e843d879b3a8N.exe	31
PID 2124 wrote to memory of 2088	2124	a3ae2da8b8a6321e4d6309c9f9d2cc61cee56bc699ed256cd072e843d879b3a8N.exe	31
PID 2124 wrote to memory of 2088	2124	a3ae2da8b8a6321e4d6309c9f9d2cc61cee56bc699ed256cd072e843d879b3a8N.exe	31
PID 2124 wrote to memory of 2088	2124	a3ae2da8b8a6321e4d6309c9f9d2cc61cee56bc699ed256cd072e843d879b3a8N.exe	31
PID 2088 wrote to memory of 1176	2088	winver.exe	21
PID 2088 wrote to memory of 1040	2088	winver.exe	17
PID 2088 wrote to memory of 1096	2088	winver.exe	19
PID 2088 wrote to memory of 1176	2088	winver.exe	21
PID 2088 wrote to memory of 1796	2088	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1040

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1096

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1176
- C:\Users\Admin\AppData\Local\Temp\a3ae2da8b8a6321e4d6309c9f9d2cc61cee56bc699ed256cd072e843d879b3a8N.exe
  "C:\Users\Admin\AppData\Local\Temp\a3ae2da8b8a6321e4d6309c9f9d2cc61cee56bc699ed256cd072e843d879b3a8N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2124
- - 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:2088

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1796

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/1040-18-0x0000000077CF1000-0x0000000077CF2000-memory.dmp

Filesize
4KB

Download
memory/1040-35-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1040-22-0x0000000077CF1000-0x0000000077CF2000-memory.dmp

Filesize
4KB

Download
memory/1040-20-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1096-23-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1096-32-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1176-29-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1176-10-0x0000000077CF1000-0x0000000077CF2000-memory.dmp

Filesize
4KB

Download
memory/1176-25-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/1176-4-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1176-2-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1176-3-0x00000000025F0000-0x00000000025F6000-memory.dmp

Filesize
24KB

Download
memory/1796-31-0x0000000077CF1000-0x0000000077CF2000-memory.dmp

Filesize
4KB

Download
memory/1796-30-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/1796-28-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/2088-11-0x0000000077CA0000-0x0000000077E49000-memory.dmp

Filesize
1.7MB

Download
memory/2088-6-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2088-7-0x0000000077EA0000-0x0000000077EA1000-memory.dmp

Filesize
4KB

Download
memory/2088-8-0x0000000077E9F000-0x0000000077EA0000-memory.dmp

Filesize
4KB

Download
memory/2088-9-0x0000000077E9F000-0x0000000077EA1000-memory.dmp

Filesize
8KB

Download
memory/2124-13-0x0000000001D90000-0x0000000002790000-memory.dmp

Filesize
10.0MB

Download
memory/2124-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2124-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2124-5-0x0000000001D90000-0x0000000002790000-memory.dmp

Filesize
10.0MB

Download
memory/2124-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download