redline | 85e268aa02c7542006683f02677c610e1ebcdad633c2e3d61f1058f79e523ae2

General

Target

85e268aa02c7542006683f02677c610e1ebcdad633c2e3d61f1058f79e523ae2.exe
Size

1.1MB
MD5

cedd57a008c9c7f454042f4861a6b87c
SHA1

a3341dfb8f03e77c9f7d0b84684c93228fa77af0
SHA256

85e268aa02c7542006683f02677c610e1ebcdad633c2e3d61f1058f79e523ae2
SHA512

2ac64c962c05b163df49f7e9715aa711b704f09c3312c6a8f30a382a6c4148a53138570086f7056f0ec674fc5c7e033e847eae6817975afc52ee02aa716d334f
SSDEEP

24576:8yc8GxBkqk50FRlVJQv4jNSuLGc10D15U+h+2x93YFNuUN61sia:rQrC0F7W4jNX6D5e1sqRNPi

Score

10^/10

redline doma discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

doma

C2

185.161.248.75:4132

Attributes

auth_value
8be53af7f78567706928d0abef953ef4

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/0x0008000000023c9c-19.dat	family_redline
behavioral1/memory/3460-21-0x0000000000C10000-0x0000000000C3A000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
3648	x8456356.exe
2852	x5848497.exe
3460	f1848853.exe

Adds Run key to start application 2 TTPs 3 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\\\""	85e268aa02c7542006683f02677c610e1ebcdad633c2e3d61f1058f79e523ae2.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\\\""	x8456356.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	x5848497.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	85e268aa02c7542006683f02677c610e1ebcdad633c2e3d61f1058f79e523ae2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x8456356.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x5848497.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f1848853.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4436 wrote to memory of 3648	4436	85e268aa02c7542006683f02677c610e1ebcdad633c2e3d61f1058f79e523ae2.exe	83
PID 4436 wrote to memory of 3648	4436	85e268aa02c7542006683f02677c610e1ebcdad633c2e3d61f1058f79e523ae2.exe	83
PID 4436 wrote to memory of 3648	4436	85e268aa02c7542006683f02677c610e1ebcdad633c2e3d61f1058f79e523ae2.exe	83
PID 3648 wrote to memory of 2852	3648	x8456356.exe	84
PID 3648 wrote to memory of 2852	3648	x8456356.exe	84
PID 3648 wrote to memory of 2852	3648	x8456356.exe	84
PID 2852 wrote to memory of 3460	2852	x5848497.exe	85
PID 2852 wrote to memory of 3460	2852	x5848497.exe	85
PID 2852 wrote to memory of 3460	2852	x5848497.exe	85

C:\Users\Admin\AppData\Local\Temp\85e268aa02c7542006683f02677c610e1ebcdad633c2e3d61f1058f79e523ae2.exe
"C:\Users\Admin\AppData\Local\Temp\85e268aa02c7542006683f02677c610e1ebcdad633c2e3d61f1058f79e523ae2.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x8456356.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x8456356.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3648
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x5848497.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x5848497.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2852
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f1848853.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f1848853.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:3460

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\x8456356.exe

Filesize
751KB

MD5
4fc41ed15157ba17e654312eb6883563

SHA1
d631060d96a64b4ea3451126de0dead5641de0e0

SHA256
261d9d906b30005eb9ece487edb9096ccb4a7499bbaeffa44a216817ffbccb6d

SHA512
2b5a993b5892b9d57ba0b53365f7f89e3899f590f0390fe1c43a74a97a617ff6f983a0f0193dc3cc054af616e0a00f56dcd6467e1ca39416cd029b0f27af92aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x5848497.exe

Filesize
304KB

MD5
eaa24bdcf92c28961dfc92b9e6278037

SHA1
850262061fbd034a9edd8940bb346179839a225b

SHA256
9cca49f5f3ca1caa32cf9a15d05b964e24ec4f49e1fbba822162345e786f96af

SHA512
e74365ccfb5360452ccf172e1fcc53a1f31906db5e359723b2b6e43333f23a5c33ca69d594a50dfb0410be9c38f13e566fdfc14152c1a1aa0d2b8c0ee3499413

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f1848853.exe

Filesize
145KB

MD5
e52bc89460c397ae442578dd9ce58914

SHA1
d38027b1485a087be1cdcbe36f29ddb43c81c543

SHA256
8835a6d6768086445de12ca304e50edf0cf04f94fb61bd2253af24663a78ca60

SHA512
1e83c9d36c96a567164c97bdff886e5889b7d0d1a006a6dc406df58c5651b637fec0e25877a128d0bcebbfd9e9813ab2fe4f24f590a4a3ec8e4efc1ae24efb2e

Download Submit
memory/3460-21-0x0000000000C10000-0x0000000000C3A000-memory.dmp

Filesize
168KB

Download
memory/3460-22-0x0000000005B60000-0x0000000006178000-memory.dmp

Filesize
6.1MB

Download
memory/3460-23-0x00000000056E0000-0x00000000057EA000-memory.dmp

Filesize
1.0MB

Download
memory/3460-24-0x0000000005620000-0x0000000005632000-memory.dmp

Filesize
72KB

Download
memory/3460-25-0x0000000005680000-0x00000000056BC000-memory.dmp

Filesize
240KB

Download
memory/3460-26-0x00000000057F0000-0x000000000583C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads