redline | d5e12288e8a48a073dc61937062c44f99f59b37ad23550bfb6742e81a78a870d

General

Target

d5e12288e8a48a073dc61937062c44f99f59b37ad23550bfb6742e81a78a870d.exe
Size

469KB
MD5

2c157cc3430fa68e18fbb144cbfe4f03
SHA1

91aea2322a29877aa58e31a16df009471c71d3f8
SHA256

d5e12288e8a48a073dc61937062c44f99f59b37ad23550bfb6742e81a78a870d
SHA512

d8931a0789350f4b179b83addc886337a01cc506e2989ab6885d5c5b2d06cfcf7d21527445d0cae6ca4dd9ab0aff5fbbfb23eac4bd42c2433e4e638e035d5b97
SSDEEP

6144:Key+bnr+Bp0yN90QE7PAtIu+l+3lAx3tUG/iFNOl2dGy9ReJKRfc/JLr7zw+1:6Mrdy90Ct3+ak3tb1wcsXZsvx1

Score

10^/10

redline fukia discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

fukia

C2

193.233.20.13:4136

Attributes

auth_value
e5783636fbd9e4f0cf9a017bce02e67e

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000023c89-12.dat	family_redline
behavioral1/memory/208-15-0x00000000006C0000-0x00000000006F2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
4244	nmr50.exe
208	bPg42.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	d5e12288e8a48a073dc61937062c44f99f59b37ad23550bfb6742e81a78a870d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	nmr50.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d5e12288e8a48a073dc61937062c44f99f59b37ad23550bfb6742e81a78a870d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nmr50.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bPg42.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4980 wrote to memory of 4244	4980	d5e12288e8a48a073dc61937062c44f99f59b37ad23550bfb6742e81a78a870d.exe	84
PID 4980 wrote to memory of 4244	4980	d5e12288e8a48a073dc61937062c44f99f59b37ad23550bfb6742e81a78a870d.exe	84
PID 4980 wrote to memory of 4244	4980	d5e12288e8a48a073dc61937062c44f99f59b37ad23550bfb6742e81a78a870d.exe	84
PID 4244 wrote to memory of 208	4244	nmr50.exe	85
PID 4244 wrote to memory of 208	4244	nmr50.exe	85
PID 4244 wrote to memory of 208	4244	nmr50.exe	85

C:\Users\Admin\AppData\Local\Temp\d5e12288e8a48a073dc61937062c44f99f59b37ad23550bfb6742e81a78a870d.exe
"C:\Users\Admin\AppData\Local\Temp\d5e12288e8a48a073dc61937062c44f99f59b37ad23550bfb6742e81a78a870d.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4980
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmr50.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmr50.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4244
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPg42.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPg42.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nmr50.exe

Filesize
202KB

MD5
17167915196e9508e014fbf61f367fb7

SHA1
5ba607d80a9ecf70385c0c368ce355217adb5b99

SHA256
fc3b4209a7886e6a8e4ee9abb4a1876589550b57388cdc5a663d300e2f2fa254

SHA512
be1bbd10dc05b215949e4aa5f05bb7f17829b1e8698f6f99200f73872c74e28d9424b2d7f4d28d21cd48953fbad9e1af1ab12c819064aa4eddc179eb497d21dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bPg42.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/208-14-0x00000000749BE000-0x00000000749BF000-memory.dmp

Filesize
4KB

Download
memory/208-15-0x00000000006C0000-0x00000000006F2000-memory.dmp

Filesize
200KB

Download
memory/208-16-0x00000000054E0000-0x0000000005AF8000-memory.dmp

Filesize
6.1MB

Download
memory/208-17-0x0000000005060000-0x000000000516A000-memory.dmp

Filesize
1.0MB

Download
memory/208-18-0x0000000004F90000-0x0000000004FA2000-memory.dmp

Filesize
72KB

Download
memory/208-19-0x0000000004FF0000-0x000000000502C000-memory.dmp

Filesize
240KB

Download
memory/208-20-0x0000000005170000-0x00000000051BC000-memory.dmp

Filesize
304KB

Download
memory/208-21-0x00000000749BE000-0x00000000749BF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads