tinba | e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-10-2024 19:16

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General

Target

e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950N.exe
Size

110KB
MD5

77a393cab0bb87eb4692436cb7142100
SHA1

c76f8cd9d48909d951509176061ff960d3d89819
SHA256

e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950
SHA512

a7cc90b539b29fc48d9950e23d76c299f46225883301c584b3bfc172856761fa4fec3a7b5598493f18d6cf6819cc6b2fe8a76d092fe0243ae7069e3c52a7eb54
SSDEEP

1536:giLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:giyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\0BB00576 = "C:\\Users\\Admin\\AppData\\Roaming\\0BB00576\\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/1700-0-0x0000000000400000-0x000000000041E000-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	e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe
2908	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2908	winver.exe
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 2908	1700	e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950N.exe	29
PID 1700 wrote to memory of 2908	1700	e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950N.exe	29
PID 1700 wrote to memory of 2908	1700	e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950N.exe	29
PID 1700 wrote to memory of 2908	1700	e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950N.exe	29
PID 1700 wrote to memory of 2908	1700	e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950N.exe	29
PID 2908 wrote to memory of 1220	2908	winver.exe	21
PID 2908 wrote to memory of 1120	2908	winver.exe	19
PID 2908 wrote to memory of 1176	2908	winver.exe	20
PID 2908 wrote to memory of 1220	2908	winver.exe	21
PID 2908 wrote to memory of 1336	2908	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1220
- C:\Users\Admin\AppData\Local\Temp\e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950N.exe
  "C:\Users\Admin\AppData\Local\Temp\e6ea7c6669ecea023be03a5d1a893ac2a3670d7b1d0ef2a07682dff44c7b6950N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1700
- - 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:2908

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1336

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/1120-28-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1120-29-0x0000000076E91000-0x0000000076E92000-memory.dmp

Filesize
4KB

Download
memory/1176-21-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1176-31-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1220-11-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1220-2-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1220-12-0x0000000076E91000-0x0000000076E92000-memory.dmp

Filesize
4KB

Download
memory/1220-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1220-32-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1220-23-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1336-25-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1336-26-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1336-27-0x0000000076E91000-0x0000000076E92000-memory.dmp

Filesize
4KB

Download
memory/1700-4-0x0000000001E80000-0x0000000002880000-memory.dmp

Filesize
10.0MB

Download
memory/1700-14-0x0000000001E80000-0x0000000002880000-memory.dmp

Filesize
10.0MB

Download
memory/1700-13-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1700-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1700-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2908-17-0x0000000076E40000-0x0000000076FE9000-memory.dmp

Filesize
1.7MB

Download
memory/2908-5-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2908-6-0x0000000077040000-0x0000000077041000-memory.dmp

Filesize
4KB

Download
memory/2908-30-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2908-7-0x000000007703F000-0x0000000077040000-memory.dmp

Filesize
4KB

Download
memory/2908-8-0x000000007703F000-0x0000000077041000-memory.dmp

Filesize
8KB

Download
memory/2908-9-0x00000000006D1000-0x00000000006D2000-memory.dmp

Filesize
4KB

Download
memory/2908-37-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download