blackmoon | 813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a

General

Target

813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a.exe
Size

800KB
MD5

3454759bcf05521d84822ba5d16614f7
SHA1

c3bc8cd4c8dcb2897b653ede3fa209401d64fbd3
SHA256

813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a
SHA512

450a5a767801199fc9fdde39c3b78cdd85b4297d319dd9807a73c8d14b5ffb98330319a84a8b20fc834af4eb05663ba8d163302f7d2b1af0ef47e5348186ba95
SSDEEP

3072:8ewG8fbqPsdE2NTlHwLTiQ1clyZt5m8v2pbz8tRgw9qnYR/11Q:8ewG8fssdE0TlHOTimghVBERZ9qnY

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
behavioral2/files/0x000800000002350b-2.dat	family_blackmoon
behavioral2/memory/1760-8-0x0000000000400000-0x00000000004D9000-memory.dmp	family_blackmoon

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a.exe

Executes dropped EXE 3 IoCs

pid	Process
2056	XEKeMJKPg.exe
2296	XEKeMJKPg.exe
3368	XEKeMJKPg.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3368-6-0x0000000002150000-0x000000000215B000-memory.dmp	upx
behavioral2/memory/3368-7-0x0000000002150000-0x000000000215B000-memory.dmp	upx
behavioral2/memory/3368-9-0x0000000002150000-0x000000000215B000-memory.dmp	upx

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 6 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	XEKeMJKPg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	XEKeMJKPg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	XEKeMJKPg.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4036	cmd.exe
2312	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2312	PING.EXE

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1760	813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a.exe
1760	813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a.exe
1760	813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a.exe
1760	813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a.exe
1760	813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a.exe
1760	813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a.exe
2056	XEKeMJKPg.exe
2056	XEKeMJKPg.exe
2296	XEKeMJKPg.exe
2296	XEKeMJKPg.exe
3368	XEKeMJKPg.exe
3368	XEKeMJKPg.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1760	813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 2056	1760	813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a.exe	85
PID 1760 wrote to memory of 2056	1760	813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a.exe	85
PID 1760 wrote to memory of 2056	1760	813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a.exe	85
PID 2296 wrote to memory of 3368	2296	XEKeMJKPg.exe	87
PID 2296 wrote to memory of 3368	2296	XEKeMJKPg.exe	87
PID 2296 wrote to memory of 3368	2296	XEKeMJKPg.exe	87
PID 1760 wrote to memory of 4036	1760	813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a.exe	88
PID 1760 wrote to memory of 4036	1760	813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a.exe	88
PID 1760 wrote to memory of 4036	1760	813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a.exe	88
PID 4036 wrote to memory of 2312	4036	cmd.exe	91
PID 4036 wrote to memory of 2312	4036	cmd.exe	91
PID 4036 wrote to memory of 2312	4036	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a.exe
"C:\Users\Admin\AppData\Local\Temp\813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Users\Public\Downloads\XEKeMJKPg.exe
  -auto
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2056
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" cmd/c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\[email protected] > nul
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4036
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 2 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2312

C:\Users\Public\Downloads\XEKeMJKPg.exe
\Users\Public\Downloads\XEKeMJKPg.exe Service 1
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Users\Public\Downloads\XEKeMJKPg.exe
  -a1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:3368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Public\Downloads\XEKeMJKPg.exe

Filesize
800KB

MD5
3454759bcf05521d84822ba5d16614f7

SHA1
c3bc8cd4c8dcb2897b653ede3fa209401d64fbd3

SHA256
813fb50d53dfb907563422867fc86c92205da4270601864112a9f5f0cd2d8c4a

SHA512
450a5a767801199fc9fdde39c3b78cdd85b4297d319dd9807a73c8d14b5ffb98330319a84a8b20fc834af4eb05663ba8d163302f7d2b1af0ef47e5348186ba95

Download Submit
memory/1760-8-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/3368-6-0x0000000002150000-0x000000000215B000-memory.dmp

Filesize
44KB

Download
memory/3368-7-0x0000000002150000-0x000000000215B000-memory.dmp

Filesize
44KB

Download
memory/3368-9-0x0000000002150000-0x000000000215B000-memory.dmp

Filesize
44KB

Download

Analysis

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