tinba | 7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703

Analysis

max time kernel
116s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2025 01:00

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General

Target

7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703.exe
Size

110KB
MD5

2591732dfb2c9b87c2830c562e8b109f
SHA1

7b3b5d59b453d30315c70ebd58405713d442b2b6
SHA256

7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703
SHA512

73b40f2feb4eb08111b6ef527330b2aa0e6dc4820c362458abaad8ae136446c327361f9426692268a16b4d863059f1da93f66a72bc243f48d1bcb4275a4323a8
SSDEEP

1536:GiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:GiyvRmDLs/ZrwWJjAqGcRJ2hQ

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D53E3DA3 = "C:\\Users\\Admin\\AppData\\Roaming\\D53E3DA3\\bin.exe"	winver.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4852-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4944	3532	WerFault.exe	84

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	7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3532	winver.exe
3532	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3516	Explorer.EXE
Token: SeCreatePagefilePrivilege	3516	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3532	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4852 wrote to memory of 3532	4852	7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703.exe	84
PID 4852 wrote to memory of 3532	4852	7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703.exe	84
PID 4852 wrote to memory of 3532	4852	7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703.exe	84
PID 4852 wrote to memory of 3532	4852	7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703.exe	84
PID 3532 wrote to memory of 3516	3532	winver.exe	56
PID 3532 wrote to memory of 2648	3532	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2648

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3516
- C:\Users\Admin\AppData\Local\Temp\7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703.exe
  "C:\Users\Admin\AppData\Local\Temp\7ba7d79b25f66ceb02dd396cc43c33c19c94a84572ac84ae244946f755125703.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4852
- - 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:3532
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3532 -s 352
      4⤵
      Program crash
      PID:4944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3532 -ip 3532
1⤵
PID:2952

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/2648-13-0x0000000000F90000-0x0000000000F96000-memory.dmp

Filesize
24KB

Download
memory/3516-6-0x00007FF8FDC0D000-0x00007FF8FDC0E000-memory.dmp

Filesize
4KB

Download
memory/3516-3-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/3516-2-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/3532-5-0x0000000077B72000-0x0000000077B73000-memory.dmp

Filesize
4KB

Download
memory/3532-7-0x00007FF8FDB70000-0x00007FF8FDD65000-memory.dmp

Filesize
2.0MB

Download
memory/3532-11-0x0000000001FE0000-0x0000000001FE6000-memory.dmp

Filesize
24KB

Download
memory/3532-14-0x0000000001FE0000-0x0000000001FE6000-memory.dmp

Filesize
24KB

Download
memory/4852-4-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/4852-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4852-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4852-9-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/4852-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download