njrat | 81f7a0f726f4001c9e4e7d67ba9ab6c3f45139887dabe78f6e3d04dd2b0557e2

General

Target

Invoice #09747583900.exe
Size

635KB
MD5

027ed8a97dd1dd28cc73c9edf4ec89ab
SHA1

131efcf3ee4e6f0629027066ab002355c2f20a00
SHA256

81f7a0f726f4001c9e4e7d67ba9ab6c3f45139887dabe78f6e3d04dd2b0557e2
SHA512

0c6b3606b56fe7662895783a1512ca62290697049230433ca645e953218bce1311e5dd970dbb30b0a575ef1e0398e5874d602c9f6313f64e2b245a02ff55d497

Score

10^/10

njrat ahkey_000_sat suricata trojan

Malware Config

Extracted

Family

njrat

Version

v4.0

Botnet

AhKey_000_Sat

C2

cdanger492.duckdns.org:4480

Mutex

Windows

Attributes

reg_key
Windows
splitter
|-F-|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata
Drops startup file 1 IoCs

Processes:

Invoice #09747583900.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk Invoice #09747583900.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Invoice #09747583900.exe

description pid process target process

PID 1832 set thread context of 1696 1832 Invoice #09747583900.exe Invoice #09747583900.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1372 schtasks.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	Invoice #09747583900.exe

description	pid	process	target process
PID 1832 set thread context of 1696	1832	Invoice #09747583900.exe	Invoice #09747583900.exe

pid	process
1372	schtasks.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

Invoice #09747583900.exe

description	pid	process
Token: SeDebugPrivilege	1696	Invoice #09747583900.exe
Token: 33	1696	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	1696	Invoice #09747583900.exe
Token: 33	1696	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	1696	Invoice #09747583900.exe
Token: 33	1696	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	1696	Invoice #09747583900.exe
Token: 33	1696	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	1696	Invoice #09747583900.exe
Token: 33	1696	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	1696	Invoice #09747583900.exe
Token: 33	1696	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	1696	Invoice #09747583900.exe
Token: 33	1696	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	1696	Invoice #09747583900.exe
Token: 33	1696	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	1696	Invoice #09747583900.exe
Token: 33	1696	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	1696	Invoice #09747583900.exe
Token: 33	1696	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	1696	Invoice #09747583900.exe
Token: 33	1696	Invoice #09747583900.exe
Token: SeIncBasePriorityPrivilege	1696	Invoice #09747583900.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Invoice #09747583900.exe

description	pid	process	target process
PID 1832 wrote to memory of 1372	1832	Invoice #09747583900.exe	schtasks.exe
PID 1832 wrote to memory of 1372	1832	Invoice #09747583900.exe	schtasks.exe
PID 1832 wrote to memory of 1372	1832	Invoice #09747583900.exe	schtasks.exe
PID 1832 wrote to memory of 1696	1832	Invoice #09747583900.exe	Invoice #09747583900.exe
PID 1832 wrote to memory of 1696	1832	Invoice #09747583900.exe	Invoice #09747583900.exe
PID 1832 wrote to memory of 1696	1832	Invoice #09747583900.exe	Invoice #09747583900.exe
PID 1832 wrote to memory of 1696	1832	Invoice #09747583900.exe	Invoice #09747583900.exe
PID 1832 wrote to memory of 1696	1832	Invoice #09747583900.exe	Invoice #09747583900.exe
PID 1832 wrote to memory of 1696	1832	Invoice #09747583900.exe	Invoice #09747583900.exe
PID 1832 wrote to memory of 1696	1832	Invoice #09747583900.exe	Invoice #09747583900.exe
PID 1832 wrote to memory of 1696	1832	Invoice #09747583900.exe	Invoice #09747583900.exe

C:\Users\Admin\AppData\Local\Temp\Invoice #09747583900.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice #09747583900.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1832

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Evmpca" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE871.tmp"
2⤵
- Creates scheduled task(s)
PID:1372

C:\Users\Admin\AppData\Local\Temp\Invoice #09747583900.exe
"{path}"
2⤵
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
PID:1696

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Invoice #09747583900.exe.log
MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE871.tmp
MD5
1092de834b7c7fe412cc8925e8111d5a

SHA1
b187c24dc2b4742c2be49c576cc3b2215d8c0fc1

SHA256
ef27d3232730a87271d38031a12bf13683a7b0e5f5dc74f05d98d9040ab3aadc

SHA512
44ff2be4bddb528df8f62b92e08267168b110c8cf60627a3d9b52ae1b3787bdead9d9265cc24b6c7a143c4d9a435b33aac24a502b5fe9bc3961dc5601c494b85

Download Submit
memory/1372-126-0x0000000000000000-mapping.dmp

Download
memory/1696-138-0x0000000005DC0000-0x0000000005DC1000-memory.dmp

Filesize
4KB

Download
memory/1696-135-0x0000000005B40000-0x0000000005B41000-memory.dmp

Filesize
4KB

Download
memory/1696-129-0x000000000040839E-mapping.dmp

Download
memory/1696-128-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1832-119-0x0000000005A70000-0x0000000005A71000-memory.dmp

Filesize
4KB

Download
memory/1832-123-0x0000000005800000-0x000000000580E000-memory.dmp

Filesize
56KB

Download
memory/1832-124-0x00000000060C0000-0x0000000006131000-memory.dmp

Filesize
452KB

Download
memory/1832-125-0x0000000006140000-0x000000000615D000-memory.dmp

Filesize
116KB

Download
memory/1832-122-0x0000000005BD0000-0x0000000005BD1000-memory.dmp

Filesize
4KB

Download
memory/1832-121-0x0000000005350000-0x0000000005351000-memory.dmp

Filesize
4KB

Download
memory/1832-120-0x0000000005830000-0x0000000005831000-memory.dmp

Filesize
4KB

Download
memory/1832-114-0x0000000000E30000-0x0000000000E31000-memory.dmp

Filesize
4KB

Download
memory/1832-118-0x000000000A2F0000-0x000000000A2F1000-memory.dmp

Filesize
4KB

Download
memory/1832-117-0x0000000009D50000-0x0000000009D51000-memory.dmp

Filesize
4KB

Download
memory/1832-116-0x0000000005840000-0x0000000005892000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads