tinba | 534c68990a0e1a6f2832b2be92062b01b0f225c7523619307e1cb31981471eb0

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-01-2025 12:24

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General

Target

JaffaCakes118_236c7e38311f6117162d7acdb7c4e4dd.exe
Size

89KB
MD5

236c7e38311f6117162d7acdb7c4e4dd
SHA1

91c4edac6b3f4b0bab154cf36ce2ddcf62ca45c5
SHA256

534c68990a0e1a6f2832b2be92062b01b0f225c7523619307e1cb31981471eb0
SHA512

c7df316098b31a170843467fc4cc6ed1c3a0dfdb4fe52d3a56243e9cadb51aae4d5a386a7182520cc439cb31e277990f1d8be6aa878a78cfb0c0a167ca4f1c1a
SSDEEP

1536:Nr+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:h+4MJIkLZJNAQ9Jo9e

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\B86BF5D9 = "C:\\Users\\Admin\\AppData\\Roaming\\B86BF5D9\\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/3008-0-0x0000000000400000-0x0000000000418000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_236c7e38311f6117162d7acdb7c4e4dd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe
2316	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2316	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 2316	3008	JaffaCakes118_236c7e38311f6117162d7acdb7c4e4dd.exe	31
PID 3008 wrote to memory of 2316	3008	JaffaCakes118_236c7e38311f6117162d7acdb7c4e4dd.exe	31
PID 3008 wrote to memory of 2316	3008	JaffaCakes118_236c7e38311f6117162d7acdb7c4e4dd.exe	31
PID 3008 wrote to memory of 2316	3008	JaffaCakes118_236c7e38311f6117162d7acdb7c4e4dd.exe	31
PID 3008 wrote to memory of 2316	3008	JaffaCakes118_236c7e38311f6117162d7acdb7c4e4dd.exe	31
PID 2316 wrote to memory of 1216	2316	winver.exe	21
PID 2316 wrote to memory of 1112	2316	winver.exe	19
PID 2316 wrote to memory of 1168	2316	winver.exe	20
PID 2316 wrote to memory of 1216	2316	winver.exe	21
PID 2316 wrote to memory of 1068	2316	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_236c7e38311f6117162d7acdb7c4e4dd.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_236c7e38311f6117162d7acdb7c4e4dd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3008
- - 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:2316

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1068

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/1068-29-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1068-24-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1068-30-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1112-26-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1112-25-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/1168-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1216-4-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1216-28-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1216-3-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1216-10-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1216-2-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1216-21-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/2316-9-0x0000000076F5F000-0x0000000076F61000-memory.dmp

Filesize
8KB

Download
memory/2316-11-0x0000000076D60000-0x0000000076F09000-memory.dmp

Filesize
1.7MB

Download
memory/2316-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2316-7-0x0000000076F60000-0x0000000076F61000-memory.dmp

Filesize
4KB

Download
memory/2316-8-0x0000000076F5F000-0x0000000076F60000-memory.dmp

Filesize
4KB

Download
memory/2316-31-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/3008-13-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/3008-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3008-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3008-5-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/3008-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download