blackmoon | a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1

General

Target

a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
Size

8.0MB
MD5

00d86f88d49a3c17ea3722726621735b
SHA1

d379b221f7bb57b7ed25bd2df33b71b8f2727c73
SHA256

a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1
SHA512

c988001db67b57ef41f21a75dad7ea799365a9dc4a8bcde5f3cda4df7dc4cf515be482687886e466117b924fefa710ec6de9747568400af8d597583e02cb5a23
SSDEEP

196608:imCCKULnb5CsFmVRUpG0LB+cqC5BzGefry:imCCJkVl+BJDhry

Score

10^/10

blackmoon banker discovery trojan upx

Malware Config

Signatures

Blackmoon, KrBanker
Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.
trojan banker blackmoon

Detect Blackmoon payload 2 IoCs

resource	yara_rule
behavioral1/memory/2440-11-0x0000000000400000-0x000000000137E000-memory.dmp	family_blackmoon
behavioral1/memory/2732-33-0x0000000000400000-0x000000000137E000-memory.dmp	family_blackmoon

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS 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\VideoBiosVersion	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe

Deletes itself 1 IoCs

pid	Process
2796	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe

Executes dropped EXE 2 IoCs

pid	Process
2732	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
2796	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe

Loads dropped DLL 3 IoCs

pid	Process
2440	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
2796	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
2796	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2440-0-0x0000000000400000-0x000000000137E000-memory.dmp	upx
behavioral1/files/0x00040000000191bb-6.dat	upx
behavioral1/memory/2440-11-0x0000000000400000-0x000000000137E000-memory.dmp	upx
behavioral1/memory/2796-32-0x0000000000250000-0x000000000025B000-memory.dmp	upx
behavioral1/memory/2732-33-0x0000000000400000-0x000000000137E000-memory.dmp	upx

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\N:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\Q:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\R:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\T:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\U:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\V:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\I:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\G:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\Y:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\Z:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\A:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\K:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\P:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\S:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\W:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\B:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\H:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\J:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\L:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\M:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\O:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\X:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
File opened (read-only)	\??\E:	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe

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	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BIOSVersion	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2796	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2796	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
2796	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
2796	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2732	2440	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe	29
PID 2440 wrote to memory of 2732	2440	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe	29
PID 2440 wrote to memory of 2732	2440	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe	29
PID 2440 wrote to memory of 2732	2440	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe	29
PID 2732 wrote to memory of 2796	2732	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe	30
PID 2732 wrote to memory of 2796	2732	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe	30
PID 2732 wrote to memory of 2796	2732	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe	30
PID 2732 wrote to memory of 2796	2732	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe	30
PID 2732 wrote to memory of 2796	2732	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe	30
PID 2732 wrote to memory of 2796	2732	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe	30
PID 2732 wrote to memory of 2796	2732	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe	30
PID 2732 wrote to memory of 2796	2732	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe	30
PID 2732 wrote to memory of 2796	2732	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe	30
PID 2732 wrote to memory of 2796	2732	a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe	30

C:\Users\Admin\AppData\Local\Temp\a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
"C:\Users\Admin\AppData\Local\Temp\a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440
- C:\a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1\a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
  C:\a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1\a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe C:\Users\Admin\AppData\Local\Temp\a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe init
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2732
- - C:\a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1\a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe
    C:\a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1\a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe C:\Users\Admin\AppData\Local\Temp\a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe init *215721*61538384*968954*67436584*2732
    3⤵
    - Checks BIOS information in registry
    - Deletes itself
    - Executes dropped EXE
    - Loads dropped DLL
    - Enumerates connected drives
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:2796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

4

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:\a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1\Wav\sound2.lst

Filesize
34KB

MD5
6251840525dbbdf62f5ed0037b0434c0

SHA1
d0465e97ab6523327246217569222ddb4590d6d2

SHA256
e68da26d180d8543720c2d1b3c986dbed4d9af7ab9e80b278c9053b4d8dc7d1b

SHA512
87304f0781c550ca0b8a0e01684a93892427411a092a878611dd759f9414562ae4e598a966c05d11ba4537c262feba906c76a4226b0b8d2449955a70501c37c1

Download Submit
C:\a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1\data\imeSkin.skn

Filesize
134KB

MD5
ce058ead71175aff0053366a5abd7c7e

SHA1
48b09595b2f470bdeefb3b98efe1de7ad6206dbe

SHA256
e0619062451a156ed55fdb65cc8f628940b5dde333b759ee8b9f2dbd0d00efd2

SHA512
d81b40f42864558b2c8dc9e4dfcbaea8c56664d4989526e38daba05eb7fc97babb185a27871925f991898bf0964a417d1fa98848e867cad36982b5881ab43d66

Download Submit
\a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1\a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1.exe

Filesize
8.0MB

MD5
00d86f88d49a3c17ea3722726621735b

SHA1
d379b221f7bb57b7ed25bd2df33b71b8f2727c73

SHA256
a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1

SHA512
c988001db67b57ef41f21a75dad7ea799365a9dc4a8bcde5f3cda4df7dc4cf515be482687886e466117b924fefa710ec6de9747568400af8d597583e02cb5a23

Download Submit
\a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1\libeay32.dll

Filesize
1.3MB

MD5
8cb6dd895e718df6512b993bdaf693a0

SHA1
844796bf5b2b7274595000adc1c91d08860e6ac8

SHA256
a7c1e7cb1aed70e4867f9b167e4f3848c82717022a23aec86c131222f45d01da

SHA512
9715cb8fe948e16b5df51ad423b8794e5e4a9a7d63b730167ba572c5212d7d362e35f9be450851c1c3c8896f9a988ce3d395c8e88d2b79bc7dcbf5e332cc8b2c

Download Submit
\a57904bc8a6d6c8efe3aebc2b12899a45edd2790800238cc08d78dd5bdbd1ec1\ssleay32.dll

Filesize
333KB

MD5
212f6dcd2ff82d32dbe8b89fce9e218e

SHA1
bf3d68c44faaa8792de46be47ccfaa280da60d90

SHA256
bbbe7278d8786be2fa24336bb381b00c617e251593c62c68df61e321d866b86b

SHA512
683dae69b1c48289797c22874b0703aa7326c0e889c91b8f13a9df02ce0c81b09d19e86f09f84eb466f921e352e664822112b4cd5a02301c0ba039772ec2bfe5

Download Submit
memory/2440-11-0x0000000000400000-0x000000000137E000-memory.dmp

Filesize
15.5MB

Download
memory/2440-0-0x0000000000400000-0x000000000137E000-memory.dmp

Filesize
15.5MB

Download
memory/2732-13-0x00000000002C0000-0x000000000032D000-memory.dmp

Filesize
436KB

Download
memory/2732-14-0x00000000002C0000-0x000000000032D000-memory.dmp

Filesize
436KB

Download
memory/2732-29-0x00000000002C0000-0x000000000032D000-memory.dmp

Filesize
436KB

Download
memory/2732-23-0x0000000004A80000-0x0000000004F11000-memory.dmp

Filesize
4.6MB

Download
memory/2732-20-0x00000000002C0000-0x000000000032D000-memory.dmp

Filesize
436KB

Download
memory/2732-18-0x00000000002C0000-0x000000000032D000-memory.dmp

Filesize
436KB

Download
memory/2732-33-0x0000000000400000-0x000000000137E000-memory.dmp

Filesize
15.5MB

Download
memory/2796-36-0x0000000002F10000-0x0000000003105000-memory.dmp

Filesize
2.0MB

Download
memory/2796-67-0x0000000001378000-0x0000000001379000-memory.dmp

Filesize
4KB

Download
memory/2796-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2796-38-0x0000000000400000-0x0000000000C19000-memory.dmp

Filesize
8.1MB

Download
memory/2796-39-0x0000000000400000-0x0000000000C19000-memory.dmp

Filesize
8.1MB

Download
memory/2796-30-0x0000000000400000-0x0000000000C19000-memory.dmp

Filesize
8.1MB

Download
memory/2796-31-0x0000000001378000-0x0000000001379000-memory.dmp

Filesize
4KB

Download
memory/2796-32-0x0000000000250000-0x000000000025B000-memory.dmp

Filesize
44KB

Download
memory/2796-26-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2796-34-0x0000000002F10000-0x0000000003105000-memory.dmp

Filesize
2.0MB

Download
memory/2796-68-0x0000000000400000-0x0000000000C19000-memory.dmp

Filesize
8.1MB

Download
memory/2796-71-0x0000000002F10000-0x0000000003105000-memory.dmp

Filesize
2.0MB

Download
memory/2796-73-0x0000000002F10000-0x0000000003105000-memory.dmp

Filesize
2.0MB

Download
memory/2796-70-0x0000000002F10000-0x0000000003105000-memory.dmp

Filesize
2.0MB

Download
memory/2796-72-0x0000000002F10000-0x0000000003105000-memory.dmp

Filesize
2.0MB

Download
memory/2796-80-0x0000000005300000-0x0000000005440000-memory.dmp

Filesize
1.2MB

Download
memory/2796-81-0x0000000005300000-0x0000000005440000-memory.dmp

Filesize
1.2MB

Download
memory/2796-83-0x0000000000400000-0x0000000000C19000-memory.dmp

Filesize
8.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads