njrat | 04258bc5802a62bc686aa877e6944f9ab613eafffcb3b00e66db8eb46265d63d

General

Target

sa.exe
Size

223KB
MD5

84968f988f3fb7eecb1087187d8d4508
SHA1

fa662dfa9ce6edea74bc94596d2079581cc71adf
SHA256

04258bc5802a62bc686aa877e6944f9ab613eafffcb3b00e66db8eb46265d63d
SHA512

9f6a207b3255d53d0b3ee80c933c250926dd36ae4ea03bfb290ea72e6a4033aab75c457073c7a2d46aabbf28347231fa202355f686d6dd4b4f7dd37fb1dbf1af
SSDEEP

6144:16pFBtjbnNc/dqg1ZCuU9B8fMkCMglsgQH:c3nsd5rDS0fg+gG

Score

10^/10

njrat xworm byabolhb rat trojan

Malware Config

Extracted

Family

njrat

Version

QUJPTEhC

Botnet

ByABOLHB

C2

abolhb.com:505

Mutex

66f73d9b4e94d115b763eaa1ada7d1f1

Attributes

reg_key
66f73d9b4e94d115b763eaa1ada7d1f1
splitter
|'|'|

Extracted

Family

xworm

C2

review-monroe.gl.at.ply.gg:46169

Mutex

lWfA9hbGdE2IDzRq

Attributes

Install_directory
%AppData%
install_file
Mason.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2824-12-0x000000001B940000-0x000000001B94E000-memory.dmp	family_xworm

Njrat family
njrat
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	AggregatorHost.exe

Executes dropped EXE 4 IoCs

pid	Process
2824	AggregatorHost.exe
5000	AggregatorHost.exe
1592	AggregatorHost.exe
3668	AggregatorHost.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service

T1102

flow	ioc
17	pastebin.com
18	pastebin.com
20	raw.githubusercontent.com
21	raw.githubusercontent.com
22	raw.githubusercontent.com

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4520	schtasks.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4712	sa.exe
Token: SeDebugPrivilege	2824	AggregatorHost.exe
Token: SeDebugPrivilege	5000	AggregatorHost.exe
Token: SeDebugPrivilege	1592	AggregatorHost.exe
Token: SeDebugPrivilege	3668	AggregatorHost.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 4520	2824	AggregatorHost.exe	87
PID 2824 wrote to memory of 4520	2824	AggregatorHost.exe	87

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\sa.exe
"C:\Users\Admin\AppData\Local\Temp\sa.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4712

C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "AggregatorHost" /tr "C:\Users\Admin\AppData\Roaming\AggregatorHost.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4520

C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5000

C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1592

C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
C:\Users\Admin\AppData\Roaming\AggregatorHost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\AggregatorHost.exe.log

Filesize
1KB

MD5
fe1d7aaec1f8e21554b2dea87bb42a6e

SHA1
950dd9254713ada2269bd96aaf12a08c4828f0bc

SHA256
471356f5b299eaaaf1856e0f3d93a94c68321a326f5210a952e93ddb3848647c

SHA512
7ada22e7d6902659e998ef5e3987ace84f79533dc42696a20aa7a75d21b5a1fcc70076ec85b0951ac72880947083ce4854eeae64ea0b614fbdac369dfe52e01d

Download Submit
C:\Users\Admin\AppData\Roaming\AggregatorHost.exe

Filesize
223KB

MD5
84968f988f3fb7eecb1087187d8d4508

SHA1
fa662dfa9ce6edea74bc94596d2079581cc71adf

SHA256
04258bc5802a62bc686aa877e6944f9ab613eafffcb3b00e66db8eb46265d63d

SHA512
9f6a207b3255d53d0b3ee80c933c250926dd36ae4ea03bfb290ea72e6a4033aab75c457073c7a2d46aabbf28347231fa202355f686d6dd4b4f7dd37fb1dbf1af

Download Submit
memory/2824-14-0x00007FFFAEA10000-0x00007FFFAF4D1000-memory.dmp

Filesize
10.8MB

Download
memory/2824-15-0x00007FFFAEA10000-0x00007FFFAF4D1000-memory.dmp

Filesize
10.8MB

Download
memory/2824-8-0x00007FFFAEA10000-0x00007FFFAF4D1000-memory.dmp

Filesize
10.8MB

Download
memory/2824-9-0x00007FFFAEA10000-0x00007FFFAF4D1000-memory.dmp

Filesize
10.8MB

Download
memory/2824-10-0x0000000002AB0000-0x0000000002AC0000-memory.dmp

Filesize
64KB

Download
memory/2824-11-0x000000001C5E0000-0x000000001C5EC000-memory.dmp

Filesize
48KB

Download
memory/2824-12-0x000000001B940000-0x000000001B94E000-memory.dmp

Filesize
56KB

Download
memory/4712-5-0x00007FFFAEA10000-0x00007FFFAF4D1000-memory.dmp

Filesize
10.8MB

Download
memory/4712-13-0x00007FFFAEA10000-0x00007FFFAF4D1000-memory.dmp

Filesize
10.8MB

Download
memory/4712-0-0x00007FFFAEA13000-0x00007FFFAEA15000-memory.dmp

Filesize
8KB

Download
memory/4712-1-0x0000000000170000-0x00000000001AE000-memory.dmp

Filesize
248KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads