njrat | abbe353f09ac23be86640e16af1b4244f601a2461768ef3ceda76e71cad3e293

General

Target

abbe353f09ac23be86640e16af1b4244f601a2461768ef3ceda76e71cad3e293.exe
Size

204KB
MD5

e8c9806faae153238ca0bae8fa247ba5
SHA1

bee860c84f4e11215b1539373dd29aa6c062e71d
SHA256

abbe353f09ac23be86640e16af1b4244f601a2461768ef3ceda76e71cad3e293
SHA512

66cee2a8ec14039aaa7b6c1b48f839f10879ab07001e740d1187a896c8e2af554659b06514c677b5dabbdabd5d35b94db149a50125e24613a2fba6a173887c1b
SSDEEP

3072:US680+GweUySk53geftLa72tsNR4JenPIQlokhK:glUlehRS/wQokh

Score

10^/10

njrat ‏فہۧايہۧروسہ الہۧعہۧراق هناا evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

‏فہۧايہۧروسہ الہۧعہۧراق هناا

C2

jaki3254.ddns.net:2001

Mutex

85039fd7c6f37e1e0601b12298c6e30f

Attributes

reg_key
85039fd7c6f37e1e0601b12298c6e30f
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 2 IoCs

Processes:

LocalGtrkoMzKCw.exesys02tm.exe

pid process

1128 LocalGtrkoMzKCw.exe
2016 sys02tm.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1760 netsh.exe
Loads dropped DLL 1 IoCs

Processes:

LocalGtrkoMzKCw.exe

pid process

1128 LocalGtrkoMzKCw.exe

pid	process
1128	LocalGtrkoMzKCw.exe
2016	sys02tm.exe

pid	process
1760	netsh.exe

pid	process
1128	LocalGtrkoMzKCw.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

sys02tm.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\85039fd7c6f37e1e0601b12298c6e30f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\sys02tm.exe\" .."	sys02tm.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\85039fd7c6f37e1e0601b12298c6e30f = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\sys02tm.exe\" .."	sys02tm.exe

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

System Information Discovery
T1082

Modifies registry class 10 IoCs

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\.xxx\ = "xxx_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\xxx_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\xxx_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\xxx_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\xxx_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\.xxx	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\xxx_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\xxx_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

sys02tm.exe

description	pid	process
Token: SeDebugPrivilege	2016	sys02tm.exe
Token: 33	2016	sys02tm.exe
Token: SeIncBasePriorityPrivilege	2016	sys02tm.exe
Token: 33	2016	sys02tm.exe
Token: SeIncBasePriorityPrivilege	2016	sys02tm.exe
Token: 33	2016	sys02tm.exe
Token: SeIncBasePriorityPrivilege	2016	sys02tm.exe
Token: 33	2016	sys02tm.exe
Token: SeIncBasePriorityPrivilege	2016	sys02tm.exe
Token: 33	2016	sys02tm.exe
Token: SeIncBasePriorityPrivilege	2016	sys02tm.exe
Token: 33	2016	sys02tm.exe
Token: SeIncBasePriorityPrivilege	2016	sys02tm.exe
Token: 33	2016	sys02tm.exe
Token: SeIncBasePriorityPrivilege	2016	sys02tm.exe
Token: 33	2016	sys02tm.exe
Token: SeIncBasePriorityPrivilege	2016	sys02tm.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

964 AcroRd32.exe
964 AcroRd32.exe
964 AcroRd32.exe

pid	process
964	AcroRd32.exe
964	AcroRd32.exe
964	AcroRd32.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

abbe353f09ac23be86640e16af1b4244f601a2461768ef3ceda76e71cad3e293.exerundll32.exeLocalGtrkoMzKCw.exesys02tm.exe

description	pid	process	target process
PID 936 wrote to memory of 1128	936	abbe353f09ac23be86640e16af1b4244f601a2461768ef3ceda76e71cad3e293.exe	LocalGtrkoMzKCw.exe
PID 936 wrote to memory of 1128	936	abbe353f09ac23be86640e16af1b4244f601a2461768ef3ceda76e71cad3e293.exe	LocalGtrkoMzKCw.exe
PID 936 wrote to memory of 1128	936	abbe353f09ac23be86640e16af1b4244f601a2461768ef3ceda76e71cad3e293.exe	LocalGtrkoMzKCw.exe
PID 936 wrote to memory of 1128	936	abbe353f09ac23be86640e16af1b4244f601a2461768ef3ceda76e71cad3e293.exe	LocalGtrkoMzKCw.exe
PID 936 wrote to memory of 1188	936	abbe353f09ac23be86640e16af1b4244f601a2461768ef3ceda76e71cad3e293.exe	rundll32.exe
PID 936 wrote to memory of 1188	936	abbe353f09ac23be86640e16af1b4244f601a2461768ef3ceda76e71cad3e293.exe	rundll32.exe
PID 936 wrote to memory of 1188	936	abbe353f09ac23be86640e16af1b4244f601a2461768ef3ceda76e71cad3e293.exe	rundll32.exe
PID 1188 wrote to memory of 964	1188	rundll32.exe	AcroRd32.exe
PID 1188 wrote to memory of 964	1188	rundll32.exe	AcroRd32.exe
PID 1188 wrote to memory of 964	1188	rundll32.exe	AcroRd32.exe
PID 1188 wrote to memory of 964	1188	rundll32.exe	AcroRd32.exe
PID 1128 wrote to memory of 2016	1128	LocalGtrkoMzKCw.exe	sys02tm.exe
PID 1128 wrote to memory of 2016	1128	LocalGtrkoMzKCw.exe	sys02tm.exe
PID 1128 wrote to memory of 2016	1128	LocalGtrkoMzKCw.exe	sys02tm.exe
PID 1128 wrote to memory of 2016	1128	LocalGtrkoMzKCw.exe	sys02tm.exe
PID 2016 wrote to memory of 1760	2016	sys02tm.exe	netsh.exe
PID 2016 wrote to memory of 1760	2016	sys02tm.exe	netsh.exe
PID 2016 wrote to memory of 1760	2016	sys02tm.exe	netsh.exe
PID 2016 wrote to memory of 1760	2016	sys02tm.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\abbe353f09ac23be86640e16af1b4244f601a2461768ef3ceda76e71cad3e293.exe
"C:\Users\Admin\AppData\Local\Temp\abbe353f09ac23be86640e16af1b4244f601a2461768ef3ceda76e71cad3e293.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:936

C:\Users\Admin\AppData\LocalGtrkoMzKCw.exe
"C:\Users\Admin\AppData\LocalGtrkoMzKCw.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1128

C:\Users\Admin\AppData\Local\Temp\sys02tm.exe
"C:\Users\Admin\AppData\Local\Temp\sys02tm.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2016

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\sys02tm.exe" "sys02tm.exe" ENABLE
4⤵
- Modifies Windows Firewall
PID:1760

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\LocalkMkiIvypGS.xxx
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1188

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\LocalkMkiIvypGS.xxx"
3⤵
- Suspicious use of SetWindowsHookEx
PID:964

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalGtrkoMzKCw.exe
Filesize
23KB

MD5
f84047b2af75078326728edbdd5a1453

SHA1
22e9440c3df1c5403622f0c47887c35ba72424db

SHA256
9c9a523d9189a2104270db1d519b03cd6bb90ba103702ed0bd4a426623685b72

SHA512
de80bcdd73f65e2ed4842492fe1d9b47c432db38e2b739c4474b03a03164a15e4574beb800e72177a7e62d0bc8eea32898e0ee930feab149c7292f076b8f429d

Download Submit
C:\Users\Admin\AppData\LocalGtrkoMzKCw.exe
Filesize
23KB

MD5
f84047b2af75078326728edbdd5a1453

SHA1
22e9440c3df1c5403622f0c47887c35ba72424db

SHA256
9c9a523d9189a2104270db1d519b03cd6bb90ba103702ed0bd4a426623685b72

SHA512
de80bcdd73f65e2ed4842492fe1d9b47c432db38e2b739c4474b03a03164a15e4574beb800e72177a7e62d0bc8eea32898e0ee930feab149c7292f076b8f429d

Download Submit
C:\Users\Admin\AppData\Local\Temp\sys02tm.exe
Filesize
23KB

MD5
f84047b2af75078326728edbdd5a1453

SHA1
22e9440c3df1c5403622f0c47887c35ba72424db

SHA256
9c9a523d9189a2104270db1d519b03cd6bb90ba103702ed0bd4a426623685b72

SHA512
de80bcdd73f65e2ed4842492fe1d9b47c432db38e2b739c4474b03a03164a15e4574beb800e72177a7e62d0bc8eea32898e0ee930feab149c7292f076b8f429d

Download Submit
C:\Users\Admin\AppData\Local\Temp\sys02tm.exe
Filesize
23KB

MD5
f84047b2af75078326728edbdd5a1453

SHA1
22e9440c3df1c5403622f0c47887c35ba72424db

SHA256
9c9a523d9189a2104270db1d519b03cd6bb90ba103702ed0bd4a426623685b72

SHA512
de80bcdd73f65e2ed4842492fe1d9b47c432db38e2b739c4474b03a03164a15e4574beb800e72177a7e62d0bc8eea32898e0ee930feab149c7292f076b8f429d

Download Submit
C:\Users\Admin\AppData\LocalkMkiIvypGS.xxx
Filesize
10KB

MD5
bd05683dddba651df32a97e4c6d234e1

SHA1
f49806de8299a7a698a415d7c27a988f820ea0e9

SHA256
0a02317a0f832fcfbdb9507f1ba9318f9d69c7225ef90412a3d2aea04171388f

SHA512
e1695b6d828a008250f65df566dc3083ce4e69345455eb3019592a5e6b0a69eb81ccbbbb72a677ab56090f554024a86be2541aa94b07605d056792f3ad935762

Download Submit
\Users\Admin\AppData\Local\Temp\sys02tm.exe
Filesize
23KB

MD5
f84047b2af75078326728edbdd5a1453

SHA1
22e9440c3df1c5403622f0c47887c35ba72424db

SHA256
9c9a523d9189a2104270db1d519b03cd6bb90ba103702ed0bd4a426623685b72

SHA512
de80bcdd73f65e2ed4842492fe1d9b47c432db38e2b739c4474b03a03164a15e4574beb800e72177a7e62d0bc8eea32898e0ee930feab149c7292f076b8f429d

Download Submit
memory/936-55-0x000007FEFC181000-0x000007FEFC183000-memory.dmp

Filesize
8KB

Download
memory/936-54-0x000007FEF47D0000-0x000007FEF51F3000-memory.dmp

Filesize
10.1MB

Download
memory/964-63-0x0000000000000000-mapping.dmp

Download
memory/1128-61-0x0000000076941000-0x0000000076943000-memory.dmp

Filesize
8KB

Download
memory/1128-65-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/1128-56-0x0000000000000000-mapping.dmp

Download
memory/1128-62-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/1128-71-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/1188-59-0x0000000000000000-mapping.dmp

Download
memory/1760-75-0x0000000000000000-mapping.dmp

Download
memory/2016-67-0x0000000000000000-mapping.dmp

Download
memory/2016-73-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/2016-72-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads