njrat | 6e1ebf0254015cbfe98dc308aaa75dd346309633e179f812174e564fb4b648ec

General

Target

a1a64f8671681ba96b48cfd025a42449.exe
Size

27KB
MD5

a1a64f8671681ba96b48cfd025a42449
SHA1

13369f1d952151f24a50ab3506ad1541677f46e3
SHA256

6e1ebf0254015cbfe98dc308aaa75dd346309633e179f812174e564fb4b648ec
SHA512

d8fb283df634142ddb696dcfe82fa7530cf0a1cdf35cafed29a45c4de27db799014ba3fdec1ef8226bd28f6ebd3856ba1d7518f1789a6bc0dac8521fc60a0bb6
SSDEEP

384:EL0M2XwBNOaLNOFs/Av2yeCP1BBvMl7AQk93vmhm7UMKmIEecKdbXTzm9bVhcaSy:St220U0Wl7A/vMHTi9bD

Score

10^/10

njrat oliver persistence trojan

Malware Config

Extracted

Family

njrat

Version

v2.0

Botnet

Oliver

C2

3.126.224.214:19586

Mutex

Windows

Attributes

reg_key
Windows
splitter
|-F-|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

GeneratorV5Full.exe

pid process

3544 GeneratorV5Full.exe

pid	process
3544	GeneratorV5Full.exe

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

Processes:

a1a64f8671681ba96b48cfd025a42449.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	a1a64f8671681ba96b48cfd025a42449.exe

Drops startup file 2 IoCs

Processes:

a1a64f8671681ba96b48cfd025a42449.exeGeneratorV5Full.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	a1a64f8671681ba96b48cfd025a42449.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	GeneratorV5Full.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

a1a64f8671681ba96b48cfd025a42449.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\GeneratorV5Full.exe"	a1a64f8671681ba96b48cfd025a42449.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 31 IoCs

Processes:

GeneratorV5Full.exe

description	pid	process
Token: SeDebugPrivilege	3544	GeneratorV5Full.exe
Token: 33	3544	GeneratorV5Full.exe
Token: SeIncBasePriorityPrivilege	3544	GeneratorV5Full.exe
Token: 33	3544	GeneratorV5Full.exe
Token: SeIncBasePriorityPrivilege	3544	GeneratorV5Full.exe
Token: 33	3544	GeneratorV5Full.exe
Token: SeIncBasePriorityPrivilege	3544	GeneratorV5Full.exe
Token: 33	3544	GeneratorV5Full.exe
Token: SeIncBasePriorityPrivilege	3544	GeneratorV5Full.exe
Token: 33	3544	GeneratorV5Full.exe
Token: SeIncBasePriorityPrivilege	3544	GeneratorV5Full.exe
Token: 33	3544	GeneratorV5Full.exe
Token: SeIncBasePriorityPrivilege	3544	GeneratorV5Full.exe
Token: 33	3544	GeneratorV5Full.exe
Token: SeIncBasePriorityPrivilege	3544	GeneratorV5Full.exe
Token: 33	3544	GeneratorV5Full.exe
Token: SeIncBasePriorityPrivilege	3544	GeneratorV5Full.exe
Token: 33	3544	GeneratorV5Full.exe
Token: SeIncBasePriorityPrivilege	3544	GeneratorV5Full.exe
Token: 33	3544	GeneratorV5Full.exe
Token: SeIncBasePriorityPrivilege	3544	GeneratorV5Full.exe
Token: 33	3544	GeneratorV5Full.exe
Token: SeIncBasePriorityPrivilege	3544	GeneratorV5Full.exe
Token: 33	3544	GeneratorV5Full.exe
Token: SeIncBasePriorityPrivilege	3544	GeneratorV5Full.exe
Token: 33	3544	GeneratorV5Full.exe
Token: SeIncBasePriorityPrivilege	3544	GeneratorV5Full.exe
Token: 33	3544	GeneratorV5Full.exe
Token: SeIncBasePriorityPrivilege	3544	GeneratorV5Full.exe
Token: 33	3544	GeneratorV5Full.exe
Token: SeIncBasePriorityPrivilege	3544	GeneratorV5Full.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

a1a64f8671681ba96b48cfd025a42449.exe

description	pid	process	target process
PID 4932 wrote to memory of 3544	4932	a1a64f8671681ba96b48cfd025a42449.exe	GeneratorV5Full.exe
PID 4932 wrote to memory of 3544	4932	a1a64f8671681ba96b48cfd025a42449.exe	GeneratorV5Full.exe
PID 4932 wrote to memory of 3544	4932	a1a64f8671681ba96b48cfd025a42449.exe	GeneratorV5Full.exe
PID 4932 wrote to memory of 4008	4932	a1a64f8671681ba96b48cfd025a42449.exe	attrib.exe
PID 4932 wrote to memory of 4008	4932	a1a64f8671681ba96b48cfd025a42449.exe	attrib.exe
PID 4932 wrote to memory of 4008	4932	a1a64f8671681ba96b48cfd025a42449.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

4008 attrib.exe

pid	process
4008	attrib.exe

C:\Users\Admin\AppData\Local\Temp\a1a64f8671681ba96b48cfd025a42449.exe
"C:\Users\Admin\AppData\Local\Temp\a1a64f8671681ba96b48cfd025a42449.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4932

C:\Users\Admin\AppData\Local\Temp\GeneratorV5Full.exe
"C:\Users\Admin\AppData\Local\Temp\GeneratorV5Full.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
PID:3544

C:\Windows\SysWOW64\attrib.exe
attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\GeneratorV5Full.exe"
2⤵
- Views/modifies file attributes
PID:4008

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Hidden Files and Directories

1

T1158

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\GeneratorV5Full.exe
Filesize
27KB

MD5
a1a64f8671681ba96b48cfd025a42449

SHA1
13369f1d952151f24a50ab3506ad1541677f46e3

SHA256
6e1ebf0254015cbfe98dc308aaa75dd346309633e179f812174e564fb4b648ec

SHA512
d8fb283df634142ddb696dcfe82fa7530cf0a1cdf35cafed29a45c4de27db799014ba3fdec1ef8226bd28f6ebd3856ba1d7518f1789a6bc0dac8521fc60a0bb6

Download Submit
C:\Users\Admin\AppData\Local\Temp\GeneratorV5Full.exe
Filesize
27KB

MD5
a1a64f8671681ba96b48cfd025a42449

SHA1
13369f1d952151f24a50ab3506ad1541677f46e3

SHA256
6e1ebf0254015cbfe98dc308aaa75dd346309633e179f812174e564fb4b648ec

SHA512
d8fb283df634142ddb696dcfe82fa7530cf0a1cdf35cafed29a45c4de27db799014ba3fdec1ef8226bd28f6ebd3856ba1d7518f1789a6bc0dac8521fc60a0bb6

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk
Filesize
1KB

MD5
c87a0c01932e2b874bc3b392253a663a

SHA1
51422af62636aaaedfccbe8e4f49ffc027a90989

SHA256
8a2b0b8a4e2bd3a1d8bad6ccd1dd2b92561b9abb7156b6701a6190458507795c

SHA512
ffd135cebd6e00bb32e0fba5361554e617af27556022ab3cb04c43eae8121ebd17d3868bef382061d7cbc993e805e1501bd580bdcead8f77b44f8889ac14c0a8

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk
Filesize
1KB

MD5
586210e5f1de944d08dd141fcadd408a

SHA1
0b539a283bfe6c23839a5c44f668af3ae205288d

SHA256
90a7d4cf6b4f075b45da710cf2f1fdfa71d0a654beb240fb74ff968ead06f742

SHA512
4a2ffa2d32f1bbcbfb1d0d76509717b9088ccb99557e47b03b03277524d4f1c6bc419dd91537ffd7e8fee7e427c017de3bec88c80c21c326388efe45c3dccca6

Download Submit
memory/3544-134-0x0000000000000000-mapping.dmp

Download
memory/3544-141-0x00000000751C0000-0x0000000075771000-memory.dmp

Filesize
5.7MB

Download
memory/3544-142-0x00000000751C0000-0x0000000075771000-memory.dmp

Filesize
5.7MB

Download
memory/4008-137-0x0000000000000000-mapping.dmp

Download
memory/4932-132-0x00000000751C0000-0x0000000075771000-memory.dmp

Filesize
5.7MB

Download
memory/4932-133-0x00000000751C0000-0x0000000075771000-memory.dmp

Filesize
5.7MB

Download
memory/4932-138-0x00000000751C0000-0x0000000075771000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads