danabot | 1ebddf22053d7670fc06fae9e4e2ff41cd48054f563ccab3c7561c6d1f989e91

General

Target

tepserv.exe
Size

1.1MB
MD5

0884288b2df269ff9b34fddff3eb3208
SHA1

1480a8543b3c1fd4d26dc30fb60b8f9e1306aa0b
SHA256

1ebddf22053d7670fc06fae9e4e2ff41cd48054f563ccab3c7561c6d1f989e91
SHA512

f5ab8884eac60f2a4026b512491bde6cd8cd7df79f7d00c7f9dd8cbd1871ed5d981f7785481fa12446c217e4bed1ea7cc931a9d47dad5bd3ffa9c54db9c1320e

Score

10^/10

danabot 4 banker discovery trojan

Malware Config

Extracted

Family

danabot

Version

2029

Botnet

4

C2

23.229.29.48:443

5.9.224.204:443

192.210.222.81:443

Attributes

embedded_hash
0E1A7A1479C37094441FA911262B322A

rsa_privkey.plain

rsa_pubkey.plain

Signatures

Danabot
Danabot is a modular banking Trojan that has been linked with other malware.
trojan banker danabot

Danabot Loader Component 11 IoCs

resource	yara_rule
behavioral1/files/0x00040000000130d7-64.dat	DanabotLoader2021
behavioral1/files/0x00040000000130d7-65.dat	DanabotLoader2021
behavioral1/files/0x00040000000130d7-66.dat	DanabotLoader2021
behavioral1/memory/828-69-0x0000000001E20000-0x0000000001F82000-memory.dmp	DanabotLoader2021
behavioral1/files/0x00040000000130d7-68.dat	DanabotLoader2021
behavioral1/files/0x00040000000130d7-67.dat	DanabotLoader2021
behavioral1/files/0x00040000000130d7-73.dat	DanabotLoader2021
behavioral1/files/0x00040000000130d7-74.dat	DanabotLoader2021
behavioral1/files/0x00040000000130d7-75.dat	DanabotLoader2021
behavioral1/files/0x00040000000130d7-76.dat	DanabotLoader2021
behavioral1/memory/1616-77-0x0000000001E10000-0x0000000001F72000-memory.dmp	DanabotLoader2021

Blocklisted process makes network request 1 IoCs

flow	pid	Process
2	828	rundll32.exe

Loads dropped DLL 8 IoCs

pid	Process
828	rundll32.exe
828	rundll32.exe
828	rundll32.exe
828	rundll32.exe
1616	RUNDLL32.EXE
1616	RUNDLL32.EXE
1616	RUNDLL32.EXE
1616	RUNDLL32.EXE

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Gskyj.tmp	rundll32.exe

Checks processor information in registry 2 TTPs 21 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform ID	RUNDLL32.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\FeatureSet	RUNDLL32.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Identifier	RUNDLL32.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	RUNDLL32.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information	RUNDLL32.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Status	RUNDLL32.EXE
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	RUNDLL32.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	RUNDLL32.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	RUNDLL32.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz	RUNDLL32.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RUNDLL32.EXE
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	RUNDLL32.EXE
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	RUNDLL32.EXE
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	RUNDLL32.EXE
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	RUNDLL32.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet	RUNDLL32.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Configuration Data	RUNDLL32.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Signature	RUNDLL32.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data	RUNDLL32.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature	RUNDLL32.EXE
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	RUNDLL32.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 828	2000	tepserv.exe	29
PID 2000 wrote to memory of 828	2000	tepserv.exe	29
PID 2000 wrote to memory of 828	2000	tepserv.exe	29
PID 2000 wrote to memory of 828	2000	tepserv.exe	29
PID 2000 wrote to memory of 828	2000	tepserv.exe	29
PID 2000 wrote to memory of 828	2000	tepserv.exe	29
PID 2000 wrote to memory of 828	2000	tepserv.exe	29
PID 828 wrote to memory of 1616	828	rundll32.exe	30
PID 828 wrote to memory of 1616	828	rundll32.exe	30
PID 828 wrote to memory of 1616	828	rundll32.exe	30
PID 828 wrote to memory of 1616	828	rundll32.exe	30
PID 828 wrote to memory of 1616	828	rundll32.exe	30
PID 828 wrote to memory of 1616	828	rundll32.exe	30
PID 828 wrote to memory of 1616	828	rundll32.exe	30

C:\Users\Admin\AppData\Local\Temp\tepserv.exe
"C:\Users\Admin\AppData\Local\Temp\tepserv.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\TEPSER~1.DLL,s C:\Users\Admin\AppData\Local\Temp\tepserv.exe
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:828
- - C:\Windows\SysWOW64\RUNDLL32.EXE
    C:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\TEPSER~1.DLL,EwcMQQ==
    3⤵
    - Loads dropped DLL
    - Checks processor information in registry
    PID:1616

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/828-70-0x0000000002420000-0x0000000002421000-memory.dmp

Filesize
4KB

Download
memory/828-69-0x0000000001E20000-0x0000000001F82000-memory.dmp

Filesize
1.4MB

Download
memory/828-79-0x00000000024A0000-0x0000000003738000-memory.dmp

Filesize
18.6MB

Download
memory/1616-77-0x0000000001E10000-0x0000000001F72000-memory.dmp

Filesize
1.4MB

Download
memory/1616-80-0x0000000002290000-0x0000000002291000-memory.dmp

Filesize
4KB

Download
memory/1616-81-0x0000000002690000-0x0000000003928000-memory.dmp

Filesize
18.6MB

Download
memory/2000-60-0x00000000046A0000-0x00000000047A6000-memory.dmp

Filesize
1.0MB

Download
memory/2000-59-0x0000000075D11000-0x0000000075D13000-memory.dmp

Filesize
8KB

Download
memory/2000-61-0x0000000000400000-0x0000000002DA2000-memory.dmp

Filesize
41.6MB

Download

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