tinba | e27461a0917b019bd7be2b533a05853c39a4497591b12912d786d804bb937e8f

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 11:21

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General

Target

JaffaCakes118_a093f86761c288a160bf4223fddbfd1f.exe
Size

160KB
MD5

a093f86761c288a160bf4223fddbfd1f
SHA1

d15af6d62fbdfded3b0977e90237a9f3062f607f
SHA256

e27461a0917b019bd7be2b533a05853c39a4497591b12912d786d804bb937e8f
SHA512

dd31daee6ead101ca837afd435376eb66ccc56152d79cc28e84495adb40669db84d2aa2cca8dc278b5d81225ba93250cbbf6b09dc57fa90329bb190d7884b713
SSDEEP

1536:/EY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:sY+4MiIkLZJNAQ9J6v

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\E5B1707F = "C:\\Users\\Admin\\AppData\\Roaming\\E5B1707F\\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/1620-0-0x0000000000400000-0x0000000000428000-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_a093f86761c288a160bf4223fddbfd1f.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe
1892	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1892	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 1892	1620	JaffaCakes118_a093f86761c288a160bf4223fddbfd1f.exe	31
PID 1620 wrote to memory of 1892	1620	JaffaCakes118_a093f86761c288a160bf4223fddbfd1f.exe	31
PID 1620 wrote to memory of 1892	1620	JaffaCakes118_a093f86761c288a160bf4223fddbfd1f.exe	31
PID 1620 wrote to memory of 1892	1620	JaffaCakes118_a093f86761c288a160bf4223fddbfd1f.exe	31
PID 1620 wrote to memory of 1892	1620	JaffaCakes118_a093f86761c288a160bf4223fddbfd1f.exe	31
PID 1892 wrote to memory of 1184	1892	winver.exe	21
PID 1892 wrote to memory of 1052	1892	winver.exe	17
PID 1892 wrote to memory of 1104	1892	winver.exe	19
PID 1892 wrote to memory of 1184	1892	winver.exe	21
PID 1892 wrote to memory of 884	1892	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1052

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1104

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1184
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a093f86761c288a160bf4223fddbfd1f.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a093f86761c288a160bf4223fddbfd1f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1620
- - 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:1892

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:884

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/884-24-0x0000000002320000-0x0000000002326000-memory.dmp

Filesize
24KB

Download
memory/884-30-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/884-29-0x0000000002320000-0x0000000002326000-memory.dmp

Filesize
24KB

Download
memory/1052-27-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1104-25-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1104-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1104-26-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1184-3-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1184-22-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1184-10-0x0000000076E41000-0x0000000076E42000-memory.dmp

Filesize
4KB

Download
memory/1184-28-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1184-2-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1184-4-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1620-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1620-13-0x0000000001EC0000-0x00000000028C0000-memory.dmp

Filesize
10.0MB

Download
memory/1620-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1620-5-0x0000000001EC0000-0x00000000028C0000-memory.dmp

Filesize
10.0MB

Download
memory/1620-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1892-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/1892-7-0x0000000076FF0000-0x0000000076FF1000-memory.dmp

Filesize
4KB

Download
memory/1892-8-0x0000000076FEF000-0x0000000076FF0000-memory.dmp

Filesize
4KB

Download
memory/1892-9-0x0000000076FEF000-0x0000000076FF1000-memory.dmp

Filesize
8KB

Download
memory/1892-11-0x0000000076DF0000-0x0000000076F99000-memory.dmp

Filesize
1.7MB

Download
memory/1892-31-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download