redline | 594551d2ebdb47760b5a07e575d57f23756e671503ba9ce0661cf65d2e422b7d

General

Target

594551d2ebdb47760b5a07e575d57f23756e671503ba9ce0661cf65d2e422b7d.exe
Size

468KB
MD5

e6a183c3c8e5ba2e9264a0639986766f
SHA1

db434fa343fb883bd9bce4999e6c541af646e857
SHA256

594551d2ebdb47760b5a07e575d57f23756e671503ba9ce0661cf65d2e422b7d
SHA512

9b0384dd74be99bd0ae35832f9d3074243da1c3cb0a431e16043058288fa935bc730c10e680018127f5550503a72dddadf18a52f7c66c1189d569ebc947c8c2d
SSDEEP

12288:bMryy90JE4FlnkkkDtNBYIjc5y5egMFga9jK:JyGnnkkkDpnEgM6ac

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/0x000b000000023b65-12.dat	family_redline
behavioral1/memory/2928-15-0x0000000000960000-0x0000000000992000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
1284	nst06.exe
2928	boV88.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\\\""	594551d2ebdb47760b5a07e575d57f23756e671503ba9ce0661cf65d2e422b7d.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\\\""	nst06.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	594551d2ebdb47760b5a07e575d57f23756e671503ba9ce0661cf65d2e422b7d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nst06.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	boV88.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 728 wrote to memory of 1284	728	594551d2ebdb47760b5a07e575d57f23756e671503ba9ce0661cf65d2e422b7d.exe	83
PID 728 wrote to memory of 1284	728	594551d2ebdb47760b5a07e575d57f23756e671503ba9ce0661cf65d2e422b7d.exe	83
PID 728 wrote to memory of 1284	728	594551d2ebdb47760b5a07e575d57f23756e671503ba9ce0661cf65d2e422b7d.exe	83
PID 1284 wrote to memory of 2928	1284	nst06.exe	84
PID 1284 wrote to memory of 2928	1284	nst06.exe	84
PID 1284 wrote to memory of 2928	1284	nst06.exe	84

C:\Users\Admin\AppData\Local\Temp\594551d2ebdb47760b5a07e575d57f23756e671503ba9ce0661cf65d2e422b7d.exe
"C:\Users\Admin\AppData\Local\Temp\594551d2ebdb47760b5a07e575d57f23756e671503ba9ce0661cf65d2e422b7d.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:728
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nst06.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nst06.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1284
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\boV88.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\boV88.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2928

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\nst06.exe

Filesize
202KB

MD5
78a3adba405cedb69ecac2077582add7

SHA1
d45a1faddaab3991a6e6b3e696fd0e9c19d41dad

SHA256
c42b3f323e796a416d67897ded1ed30c1e5b66feacbf332aac7e5ea43d2c9bb2

SHA512
16a704f3401297f05095f3b1e15394943b612f098e4b121c4ad943b8a55a5b00f74ebde95f1cad4bce8223da6d7be8fd727f4680d3051a69054b9e8e83f88f83

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\boV88.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/2928-14-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/2928-15-0x0000000000960000-0x0000000000992000-memory.dmp

Filesize
200KB

Download
memory/2928-16-0x0000000005820000-0x0000000005E38000-memory.dmp

Filesize
6.1MB

Download
memory/2928-17-0x0000000005310000-0x000000000541A000-memory.dmp

Filesize
1.0MB

Download
memory/2928-18-0x0000000005250000-0x0000000005262000-memory.dmp

Filesize
72KB

Download
memory/2928-19-0x0000000005270000-0x00000000052AC000-memory.dmp

Filesize
240KB

Download
memory/2928-20-0x00000000052B0000-0x00000000052FC000-memory.dmp

Filesize
304KB

Download
memory/2928-21-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads