trickbot | 0dcabed4f80e953f94af32b0ad7d040fc64ca261f91aed7521b92458b1e7b2d3

General

Target

Users/cldieckmann/AppData/Roaming/windirect/ьяшмBCCC.exe
Size

507KB
MD5

2e3926b7123e1ec3cd57d7ffd7072bd3
SHA1

9077c965165d91d62023cbfb238bfe42a9720b6c
SHA256

f1f026eb520ff82fdae1b939b7f440d94dad05935717360763f924b239448c06
SHA512

be5fc9b5b4fa50a3fb2a5efd343c240478547e32c7dfe6389a6b39ee7a8fb8ae7053197c6c5c53b36154280938bf9f9a358c0e0d2fb1ec042223a58d2578de27
SSDEEP

12288:ylLeNBmly/c9JfUAeIcLE7G2D2FoMlZg/V:SLeNBmly/UUdU7qPg/V

Score

10^/10

trickbot banker dave discovery trojan

Malware Config

Signatures

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

Trickbot x86 loader 8 IoCs

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

resource	yara_rule
behavioral2/memory/3276-4-0x00000000023C0000-0x00000000023F1000-memory.dmp	trickbot_loader32
behavioral2/memory/3276-1-0x0000000002400000-0x0000000002434000-memory.dmp	trickbot_loader32
behavioral2/memory/4964-16-0x0000000002350000-0x0000000002384000-memory.dmp	trickbot_loader32
behavioral2/memory/4964-22-0x0000000002390000-0x00000000023C1000-memory.dmp	trickbot_loader32
behavioral2/memory/4964-21-0x0000000002060000-0x0000000002090000-memory.dmp	trickbot_loader32
behavioral2/memory/4964-20-0x0000000002390000-0x00000000023C1000-memory.dmp	trickbot_loader32
behavioral2/memory/4964-23-0x0000000002390000-0x00000000023C1000-memory.dmp	trickbot_loader32
behavioral2/memory/4964-27-0x0000000002390000-0x00000000023C1000-memory.dmp	trickbot_loader32

Dave packer 3 IoCs

Detects executable using a packer named 'Dave' by the community, based on a string at the end.

dave

resource	yara_rule
behavioral2/memory/3276-4-0x00000000023C0000-0x00000000023F1000-memory.dmp	dave
behavioral2/memory/3276-1-0x0000000002400000-0x0000000002434000-memory.dmp	dave
behavioral2/memory/4964-16-0x0000000002350000-0x0000000002384000-memory.dmp	dave

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	ьяшмBCCC.exe

Executes dropped EXE 2 IoCs

pid	Process
4964	ьяшмDCCC.exe
4524	ьяшмBCCC.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	ьяшмBCCC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ьяшмDCCC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ьяшмBCCC.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3276	ьяшмBCCC.exe
4964	ьяшмDCCC.exe
4524	ьяшмBCCC.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3276 wrote to memory of 4964	3276	ьяшмBCCC.exe	88
PID 3276 wrote to memory of 4964	3276	ьяшмBCCC.exe	88
PID 3276 wrote to memory of 4964	3276	ьяшмBCCC.exe	88
PID 4964 wrote to memory of 4364	4964	ьяшмDCCC.exe	95
PID 4964 wrote to memory of 4364	4964	ьяшмDCCC.exe	95
PID 4964 wrote to memory of 4364	4964	ьяшмDCCC.exe	95
PID 4964 wrote to memory of 4364	4964	ьяшмDCCC.exe	95

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\Users\cldieckmann\AppData\Roaming\windirect\ьяшмBCCC.exe
"C:\Users\Admin\AppData\Local\Temp\Users\cldieckmann\AppData\Roaming\windirect\ьяшмBCCC.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3276
- C:\ProgramData\ьяшмDCCC.exe
  "C:\ProgramData\ьяшмDCCC.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4964
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:4364

C:\Users\Admin\AppData\Roaming\windirect\ьяшмBCCC.exe
C:\Users\Admin\AppData\Roaming\windirect\ьяшмBCCC.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\ьяшмDCCC.exe

Filesize
507KB

MD5
2e3926b7123e1ec3cd57d7ffd7072bd3

SHA1
9077c965165d91d62023cbfb238bfe42a9720b6c

SHA256
f1f026eb520ff82fdae1b939b7f440d94dad05935717360763f924b239448c06

SHA512
be5fc9b5b4fa50a3fb2a5efd343c240478547e32c7dfe6389a6b39ee7a8fb8ae7053197c6c5c53b36154280938bf9f9a358c0e0d2fb1ec042223a58d2578de27

Download Submit
memory/3276-4-0x00000000023C0000-0x00000000023F1000-memory.dmp

Filesize
196KB

Download
memory/3276-1-0x0000000002400000-0x0000000002434000-memory.dmp

Filesize
208KB

Download
memory/4364-30-0x00000242611D0000-0x00000242611F2000-memory.dmp

Filesize
136KB

Download
memory/4364-28-0x00000242611D0000-0x00000242611F2000-memory.dmp

Filesize
136KB

Download
memory/4364-26-0x00000242611D0000-0x00000242611F2000-memory.dmp

Filesize
136KB

Download
memory/4964-20-0x0000000002390000-0x00000000023C1000-memory.dmp

Filesize
196KB

Download
memory/4964-23-0x0000000002390000-0x00000000023C1000-memory.dmp

Filesize
196KB

Download
memory/4964-25-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/4964-24-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download
memory/4964-21-0x0000000002060000-0x0000000002090000-memory.dmp

Filesize
192KB

Download
memory/4964-27-0x0000000002390000-0x00000000023C1000-memory.dmp

Filesize
196KB

Download
memory/4964-22-0x0000000002390000-0x00000000023C1000-memory.dmp

Filesize
196KB

Download
memory/4964-16-0x0000000002350000-0x0000000002384000-memory.dmp

Filesize
208KB

Download

Analysis

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