tinba | ba61787864a1b2a489e8f3d9027ad9e50d7462e70c728e4cce20f80561ce2974

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 21:32

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General

Target

ba61787864a1b2a489e8f3d9027ad9e50d7462e70c728e4cce20f80561ce2974N.exe
Size

110KB
MD5

b4c355b867e933b7225c92a177173520
SHA1

b2c5a90cb7e5037cc1d1f7a7785c215bf6d23aa7
SHA256

ba61787864a1b2a489e8f3d9027ad9e50d7462e70c728e4cce20f80561ce2974
SHA512

654212382e544694d696ccf7a9adfbe678a64e1fbb17d7484918342d269e24d099a22f86bdffaa43c9a06b7c34ae8ef9fa0d636a807171a3a9364c0effce1b44
SSDEEP

1536:viLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:viyvRmDLs/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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\09459C6A = "C:\\Users\\Admin\\AppData\\Roaming\\09459C6A\\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/2296-0-0x0000000000400000-0x000000000041E000-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	ba61787864a1b2a489e8f3d9027ad9e50d7462e70c728e4cce20f80561ce2974N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe
1724	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1724	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 1724	2296	ba61787864a1b2a489e8f3d9027ad9e50d7462e70c728e4cce20f80561ce2974N.exe	32
PID 2296 wrote to memory of 1724	2296	ba61787864a1b2a489e8f3d9027ad9e50d7462e70c728e4cce20f80561ce2974N.exe	32
PID 2296 wrote to memory of 1724	2296	ba61787864a1b2a489e8f3d9027ad9e50d7462e70c728e4cce20f80561ce2974N.exe	32
PID 2296 wrote to memory of 1724	2296	ba61787864a1b2a489e8f3d9027ad9e50d7462e70c728e4cce20f80561ce2974N.exe	32
PID 2296 wrote to memory of 1724	2296	ba61787864a1b2a489e8f3d9027ad9e50d7462e70c728e4cce20f80561ce2974N.exe	32
PID 1724 wrote to memory of 1368	1724	winver.exe	21
PID 1724 wrote to memory of 1204	1724	winver.exe	19
PID 1724 wrote to memory of 1312	1724	winver.exe	20
PID 1724 wrote to memory of 1368	1724	winver.exe	21
PID 1724 wrote to memory of 620	1724	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1204

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1312

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1368
- C:\Users\Admin\AppData\Local\Temp\ba61787864a1b2a489e8f3d9027ad9e50d7462e70c728e4cce20f80561ce2974N.exe
  "C:\Users\Admin\AppData\Local\Temp\ba61787864a1b2a489e8f3d9027ad9e50d7462e70c728e4cce20f80561ce2974N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2296
- - 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:1724

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:620

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/620-25-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/620-23-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/620-26-0x00000000772D1000-0x00000000772D2000-memory.dmp

Filesize
4KB

Download
memory/1204-27-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1204-34-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1204-28-0x00000000772D1000-0x00000000772D2000-memory.dmp

Filesize
4KB

Download
memory/1312-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1312-30-0x00000000772D1000-0x00000000772D2000-memory.dmp

Filesize
4KB

Download
memory/1312-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1368-4-0x0000000002790000-0x0000000002796000-memory.dmp

Filesize
24KB

Download
memory/1368-24-0x0000000002740000-0x0000000002746000-memory.dmp

Filesize
24KB

Download
memory/1368-2-0x0000000002790000-0x0000000002796000-memory.dmp

Filesize
24KB

Download
memory/1368-10-0x00000000772D1000-0x00000000772D2000-memory.dmp

Filesize
4KB

Download
memory/1368-3-0x0000000002790000-0x0000000002796000-memory.dmp

Filesize
24KB

Download
memory/1368-21-0x0000000002740000-0x0000000002746000-memory.dmp

Filesize
24KB

Download
memory/1724-11-0x0000000077280000-0x0000000077429000-memory.dmp

Filesize
1.7MB

Download
memory/1724-6-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1724-7-0x0000000077480000-0x0000000077481000-memory.dmp

Filesize
4KB

Download
memory/1724-8-0x000000007747F000-0x0000000077480000-memory.dmp

Filesize
4KB

Download
memory/1724-9-0x000000007747F000-0x0000000077481000-memory.dmp

Filesize
8KB

Download
memory/1724-31-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2296-13-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/2296-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2296-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2296-5-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/2296-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download