netwire | 0fb776dfd1dd66182b61bbe38e46c84576ccd1aacb50cf5d4756309f140182df

General

Target

Purchase Order No.20160612.pdf.exe
Size

379KB
MD5

f8b90e7d462b33056bac96625581cf4d
SHA1

f924cda374887e26d50432583f1858423fc05f95
SHA256

e9e6244acfbfa9b85b1fdfcd33edc0036469045f7632ebc8ac581949905cae74
SHA512

1b046adad63b86407a339d032c79fd23b7724e95df01234f22e587fc235dcbb7e6e7aa365dca564a2bb9461baac9dafd522583ce0c6d1888d06084d2daf0b8cc
SSDEEP

6144:QSUomEUi3+sMZ3xEYIrQ3XF43K4o76rMfzAjbf4nZQLtDixxsf8kPtRxuIja4W:BUomEFRu3xEPE2MVEnfkQLtwxKzxu3

Score

10^/10

netwire botnet rat stealer

Malware Config

Extracted

Family

netwire

C2

sadsix.sytes.net:4454

Attributes

activex_autorun
false
copy_executable
false
delete_original
false
host_id
Avengers11
keylogger_dir
%AppData%\Logs\
lock_executable
false
offline_keylogger
true
password
Dtk/8eaZ`^
registry_autorun
false
use_mutex
false

Signatures

NetWire RAT payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/4904-30-0x0000000000400000-0x000000000041E000-memory.dmp	netwire
behavioral2/memory/4904-31-0x0000000000400000-0x000000000041E000-memory.dmp	netwire

Netwire
Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.
botnet stealer netwire

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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	Purchase Order No.20160612.pdf.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Jkffdpsieim.lnk	Jkffdpsieim.exe

Executes dropped EXE 1 IoCs

pid	Process
1248	Jkffdpsieim.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\.Identifier	svchost.exe
File opened for modification	C:\Windows\SysWOW64\.Identifier	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1248 set thread context of 4904	1248	Jkffdpsieim.exe	94

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1248	Jkffdpsieim.exe
1248	Jkffdpsieim.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1248	Jkffdpsieim.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4736 wrote to memory of 1248	4736	Purchase Order No.20160612.pdf.exe	82
PID 4736 wrote to memory of 1248	4736	Purchase Order No.20160612.pdf.exe	82
PID 4736 wrote to memory of 1248	4736	Purchase Order No.20160612.pdf.exe	82
PID 1248 wrote to memory of 4172	1248	Jkffdpsieim.exe	92
PID 1248 wrote to memory of 4172	1248	Jkffdpsieim.exe	92
PID 1248 wrote to memory of 4172	1248	Jkffdpsieim.exe	92
PID 1248 wrote to memory of 4904	1248	Jkffdpsieim.exe	94
PID 1248 wrote to memory of 4904	1248	Jkffdpsieim.exe	94
PID 1248 wrote to memory of 4904	1248	Jkffdpsieim.exe	94
PID 1248 wrote to memory of 4904	1248	Jkffdpsieim.exe	94
PID 1248 wrote to memory of 4904	1248	Jkffdpsieim.exe	94
PID 1248 wrote to memory of 4904	1248	Jkffdpsieim.exe	94
PID 1248 wrote to memory of 4904	1248	Jkffdpsieim.exe	94
PID 1248 wrote to memory of 4904	1248	Jkffdpsieim.exe	94

C:\Users\Admin\AppData\Local\Temp\Purchase Order No.20160612.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order No.20160612.pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4736
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\Jkffdpsieim.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Jkffdpsieim.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1248
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c copy "C:\Users\Admin\AppData\Local\Temp\RarSFX0\*.*" "C:\Users\Admin\AppData\Roaming\Tsrhlbcwgbs" & exit
    3⤵
    PID:4172
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Windows\system32\svchost.exe"
    3⤵
    - Drops file in System32 directory
    PID:4904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\Jkffdpsieim.exe

Filesize
10.5MB

MD5
9e051e14763d319195bad57894662999

SHA1
1b099e7121aea2836646243d9a9c1649247bde64

SHA256
4f2b4f8b0f185ead454c6d3fc13f10a66d8ae4edd458e95fa123a7f878d79b96

SHA512
9ab34a7befa03c29847ff0fa5a041ea278047a2d54e8d40a0feb438d58905d098adc748ca74c84e7133830551206b15ed260b889234676f262c1f11ea0c19adf

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\Ovenagxehdojki.xml

Filesize
84KB

MD5
a6810018a8fb11164080c9d2564d9272

SHA1
03d1bbe76167fc1d6f2ad3f74be5c59a40213732

SHA256
7ee4c88a554c2ca8221d80ccce2849b6cbe8bc23c8a76ff578ced8335e105193

SHA512
2ab886f29e831ad5571630cc2f51af9f90b8a82e859741124bb150cf52366a58fd97870060741fdc5e32b08dfdefc8824d8ed298ea852398005bb0616fd444cd

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\Owhrrxoeoaonmsiyyk.png

Filesize
18KB

MD5
695e3878c85c21d27a802cc499873831

SHA1
a1d13a96fcafb2343229a0dc945a62f4ee793d44

SHA256
435b78a67f843dee51246bdef4f8a0ec245a0c3fcc878b24c517c4d93594c279

SHA512
335b5d3e1e13297e646fa9091cde4a053ca75ddcd175da54efbe2520b872ef2aee88373ffb96017e5bca74a9efacc06ad58b1c8a5e9bc2448bef50ab5507ff37

Download Submit
memory/1248-18-0x00000000730C0000-0x0000000073671000-memory.dmp

Filesize
5.7MB

Download
memory/1248-16-0x00000000730C0000-0x0000000073671000-memory.dmp

Filesize
5.7MB

Download
memory/1248-15-0x00000000730C0000-0x0000000073671000-memory.dmp

Filesize
5.7MB

Download
memory/1248-14-0x00000000730C0000-0x0000000073671000-memory.dmp

Filesize
5.7MB

Download
memory/1248-19-0x00000000730C0000-0x0000000073671000-memory.dmp

Filesize
5.7MB

Download
memory/1248-20-0x00000000730C2000-0x00000000730C3000-memory.dmp

Filesize
4KB

Download
memory/1248-21-0x00000000730C0000-0x0000000073671000-memory.dmp

Filesize
5.7MB

Download
memory/1248-13-0x00000000730C2000-0x00000000730C3000-memory.dmp

Filesize
4KB

Download
memory/4904-30-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4904-31-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing