trickbot | b7cbc5e5dc182c8d99809cd64d36734abeb6bfac15e6efc2ebcc2c57254bf172

Analysis

max time kernel
45s
max time network
49s
platform
windows7_x64
resource
win7-20220414-en
submitted
08/07/2022, 09:23

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
sefff993.exe
Size 368KB
Sample220708-lcf2dsbbem
SHA256 b7cbc5e5dc182c8d99809cd64d36734abeb6bfac15e6efc2ebcc2c57254bf172
MD5 8402ab33eafb84178069f8f490ca604d
SHA1 516c7a538e93f7cf4bff29196511f94e5fbb5a40
SHA512 ef0953826940f1eb6a596ed312d908b1e373e61972d8efbd2336425a7f13e6846c0f7341be2c78ac47c7786bacbe94336dcc51d0b270f8aaaa4842256da9ab97
MD5 SHA1 SHA512

Score

10^/10

trickbot banker evasion trojan

Malware Config

Signatures

Trickbot
Developed in 2016, TrickBot is one of the more recent banking Trojans.
trojan banker trickbot

Trickbot x86 loader 3 IoCs

Detected Trickbot's x86 loader that unpacks the x86 payload.

resource	yara_rule
behavioral1/memory/1280-60-0x0000000000140000-0x0000000000169000-memory.dmp	trickbot_loader32
behavioral1/memory/1464-66-0x00000000000F0000-0x0000000000119000-memory.dmp	trickbot_loader32
behavioral1/memory/1464-79-0x00000000000F0000-0x0000000000119000-memory.dmp	trickbot_loader32

Executes dropped EXE 1 IoCs

pid	Process
1464	tefff993.exe

Stops running service(s) 3 TTPs
evasion

Modify Existing Service
T1031

Impair Defenses
T1562

Service Stop
T1489

Loads dropped DLL 1 IoCs

pid	Process
1280	sefff993.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1684	sc.exe
1048	sc.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1280	sefff993.exe
1280	sefff993.exe
1280	sefff993.exe
904	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	904	powershell.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 1280 wrote to memory of 1168	1280	sefff993.exe	27
PID 1280 wrote to memory of 1168	1280	sefff993.exe	27
PID 1280 wrote to memory of 1168	1280	sefff993.exe	27
PID 1280 wrote to memory of 1168	1280	sefff993.exe	27
PID 1280 wrote to memory of 992	1280	sefff993.exe	29
PID 1280 wrote to memory of 992	1280	sefff993.exe	29
PID 1280 wrote to memory of 992	1280	sefff993.exe	29
PID 1280 wrote to memory of 992	1280	sefff993.exe	29
PID 1280 wrote to memory of 1600	1280	sefff993.exe	31
PID 1280 wrote to memory of 1600	1280	sefff993.exe	31
PID 1280 wrote to memory of 1600	1280	sefff993.exe	31
PID 1280 wrote to memory of 1600	1280	sefff993.exe	31
PID 1280 wrote to memory of 1464	1280	sefff993.exe	33
PID 1280 wrote to memory of 1464	1280	sefff993.exe	33
PID 1280 wrote to memory of 1464	1280	sefff993.exe	33
PID 1280 wrote to memory of 1464	1280	sefff993.exe	33
PID 1168 wrote to memory of 1684	1168	cmd.exe	34
PID 1168 wrote to memory of 1684	1168	cmd.exe	34
PID 1168 wrote to memory of 1684	1168	cmd.exe	34
PID 1168 wrote to memory of 1684	1168	cmd.exe	34
PID 992 wrote to memory of 1048	992	cmd.exe	35
PID 992 wrote to memory of 1048	992	cmd.exe	35
PID 992 wrote to memory of 1048	992	cmd.exe	35
PID 992 wrote to memory of 1048	992	cmd.exe	35
PID 1600 wrote to memory of 904	1600	cmd.exe	36
PID 1600 wrote to memory of 904	1600	cmd.exe	36
PID 1600 wrote to memory of 904	1600	cmd.exe	36
PID 1600 wrote to memory of 904	1600	cmd.exe	36
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37
PID 1464 wrote to memory of 1592	1464	tefff993.exe	37

C:\Users\Admin\AppData\Local\Temp\sefff993.exe
"C:\Users\Admin\AppData\Local\Temp\sefff993.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1280
- C:\Windows\SysWOW64\cmd.exe
  /c sc stop WinDefend
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1168
- - C:\Windows\SysWOW64\sc.exe
    sc stop WinDefend
    3⤵
    - Launches sc.exe
    PID:1684
- C:\Windows\SysWOW64\cmd.exe
  /c sc delete WinDefend
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:992
- - C:\Windows\SysWOW64\sc.exe
    sc delete WinDefend
    3⤵
    - Launches sc.exe
    PID:1048
- C:\Windows\SysWOW64\cmd.exe
  /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1600
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell Set-MpPreference -DisableRealtimeMonitoring $true
    3⤵
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:904
- C:\Users\Admin\AppData\Roaming\WNetval\tefff993.exe
  C:\Users\Admin\AppData\Roaming\WNetval\tefff993.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1464
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:1592

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

Loading Replay Monitor...

Downloads

0f5007522459c86e95ffcc62f32308f1_e0ffcd78-9b22-40d1-a23f-5e55cdd3b217

Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1819626980-2277161760-1023733287-1000\0f5007522459c86e95ffcc62f32308f1_e0ffcd78-9b22-40d1-a23f-5e55cdd3b217
Size 1KB
SHA256 46e3ba7d51ce1de3c7d78f0179935df1592949cb05c614c33e51e92a5a220915
MD5 50c9b06e4cfb817587a0287e40ea65ec
SHA1 c5c7f1bfc338c12e404a504ad158371d8202ea8e
SHA512 3e1838a8242bcf972bb130dfd50bd78b8fdd7925e52d4153939d428569042dcc6087ed8ade3a1d6ff2db2ce3e168d4d7b6842915ec013472ed6097f953c8f8e4
MD5 SHA1 SHA512

Submit Download

tefff993.exe

Path C:\Users\Admin\AppData\Roaming\WNetval\tefff993.exe
Size 368KB
SHA256 b7cbc5e5dc182c8d99809cd64d36734abeb6bfac15e6efc2ebcc2c57254bf172
MD5 8402ab33eafb84178069f8f490ca604d
SHA1 516c7a538e93f7cf4bff29196511f94e5fbb5a40
SHA512 ef0953826940f1eb6a596ed312d908b1e373e61972d8efbd2336425a7f13e6846c0f7341be2c78ac47c7786bacbe94336dcc51d0b270f8aaaa4842256da9ab97
SSDEEP 6144:jo5N5OazOZaTDWlVnrchrahdOxveC2wo80/agxb0zLz4qM:jmSuOcHmnYhrDMTrban4qM
MD5 SHA1 SHA512 SSDEEP

Submit Download

tefff993.exe

Path \Users\Admin\AppData\Roaming\WNetval\tefff993.exe
Size 368KB
SHA256 b7cbc5e5dc182c8d99809cd64d36734abeb6bfac15e6efc2ebcc2c57254bf172
MD5 8402ab33eafb84178069f8f490ca604d
SHA1 516c7a538e93f7cf4bff29196511f94e5fbb5a40
SHA512 ef0953826940f1eb6a596ed312d908b1e373e61972d8efbd2336425a7f13e6846c0f7341be2c78ac47c7786bacbe94336dcc51d0b270f8aaaa4842256da9ab97
SSDEEP 6144:jo5N5OazOZaTDWlVnrchrahdOxveC2wo80/agxb0zLz4qM:jmSuOcHmnYhrDMTrban4qM
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/904-80-0x00000000746D0000-0x0000000074C7B000-memory.dmp

Download

memory/1280-60-0x0000000000140000-0x0000000000169000-memory.dmp

Download

memory/1280-54-0x0000000076181000-0x0000000076183000-memory.dmp

Download

memory/1464-66-0x00000000000F0000-0x0000000000119000-memory.dmp

Download

memory/1464-70-0x0000000010000000-0x0000000010007000-memory.dmp

Download

memory/1464-79-0x00000000000F0000-0x0000000000119000-memory.dmp

Download

memory/1592-75-0x0000000010000000-0x000000001001F000-memory.dmp

Download