redline | b1074a62fad9635b15c250a444691632a773b9302539e07ae72a17ab8e79b30c

General

Target

b1074a62fad9635b15c250a444691632a773b9302539e07ae72a17ab8e79b30c.exe
Size

470KB
MD5

6df0f4a03b8592df8e0ec5beca90b2b3
SHA1

00b71f7f80b5fdc37ea270c300ff311ca97fb7ad
SHA256

b1074a62fad9635b15c250a444691632a773b9302539e07ae72a17ab8e79b30c
SHA512

24c6e176b14335da1c6e5cd0a06e72463bd88e1e89f35313b5a6edb887ecf685ab7d5b1ee8e1a257b1e00223af4c96e512e1cf6a4999920f232a1de2b1afe1d0
SSDEEP

12288:+MrIy90LPoBTc6TikeaOqBjHyNbSyWjl+HwjUo4UF:Wy4PoBw6fTHyy+HUUo4U

Score

10^/10

redline fukia discovery evasion infostealer persistence spyware stealer trojan

Malware Config

Extracted

Family

redline

Botnet

fukia

C2

193.233.20.13:4136

Attributes

auth_value
e5783636fbd9e4f0cf9a017bce02e67e

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs 12 IoCs

evasion trojan

Modify Registry

T1112

Modify Existing Service

T1031

Disabling Security Tools

T1089

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	bcZ31kY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	bcZ31kY.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	lYC91tH.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	lYC91tH.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	lYC91tH.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	bcZ31kY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	bcZ31kY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	bcZ31kY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	bcZ31kY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	lYC91tH.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	lYC91tH.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	lYC91tH.exe

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

Executes dropped EXE 4 IoCs

pid	Process
3260	nXB55Mt.exe
1080	bcZ31kY.exe
2336	dYi20SZ.exe
4224	lYC91tH.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Windows security modification 2 TTPs 3 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	bcZ31kY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	lYC91tH.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	bcZ31kY.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	nXB55Mt.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\\\""	nXB55Mt.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	b1074a62fad9635b15c250a444691632a773b9302539e07ae72a17ab8e79b30c.exe
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\\\""	b1074a62fad9635b15c250a444691632a773b9302539e07ae72a17ab8e79b30c.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2204	1080	WerFault.exe	80

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1080	bcZ31kY.exe
1080	bcZ31kY.exe
2336	dYi20SZ.exe
2336	dYi20SZ.exe
4224	lYC91tH.exe
4224	lYC91tH.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1080	bcZ31kY.exe
Token: SeDebugPrivilege	2336	dYi20SZ.exe
Token: SeDebugPrivilege	4224	lYC91tH.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 3260	2476	b1074a62fad9635b15c250a444691632a773b9302539e07ae72a17ab8e79b30c.exe	79
PID 2476 wrote to memory of 3260	2476	b1074a62fad9635b15c250a444691632a773b9302539e07ae72a17ab8e79b30c.exe	79
PID 2476 wrote to memory of 3260	2476	b1074a62fad9635b15c250a444691632a773b9302539e07ae72a17ab8e79b30c.exe	79
PID 3260 wrote to memory of 1080	3260	nXB55Mt.exe	80
PID 3260 wrote to memory of 1080	3260	nXB55Mt.exe	80
PID 3260 wrote to memory of 1080	3260	nXB55Mt.exe	80
PID 3260 wrote to memory of 2336	3260	nXB55Mt.exe	90
PID 3260 wrote to memory of 2336	3260	nXB55Mt.exe	90
PID 3260 wrote to memory of 2336	3260	nXB55Mt.exe	90
PID 2476 wrote to memory of 4224	2476	b1074a62fad9635b15c250a444691632a773b9302539e07ae72a17ab8e79b30c.exe	93
PID 2476 wrote to memory of 4224	2476	b1074a62fad9635b15c250a444691632a773b9302539e07ae72a17ab8e79b30c.exe	93

C:\Users\Admin\AppData\Local\Temp\b1074a62fad9635b15c250a444691632a773b9302539e07ae72a17ab8e79b30c.exe
"C:\Users\Admin\AppData\Local\Temp\b1074a62fad9635b15c250a444691632a773b9302539e07ae72a17ab8e79b30c.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2476
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXB55Mt.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXB55Mt.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3260
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bcZ31kY.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bcZ31kY.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1080
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1080 -s 1076
      4⤵
      Program crash
      PID:2204
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dYi20SZ.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dYi20SZ.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2336
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lYC91tH.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lYC91tH.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1080 -ip 1080
1⤵
PID:4488

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

Disabling Security Tools

Modify Registry

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lYC91tH.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lYC91tH.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXB55Mt.exe

Filesize
367KB

MD5
d3c250f07018b2278cb836d68bcfc589

SHA1
09219e926e1bfa6c2a7e95a5fe72b9df0b5e6b82

SHA256
33d3a53d4b900a337226670163db3b43e036defab891c1ce133c500f9c93c902

SHA512
cd4dca79e908ddb19c4a5cb87567b7af5e6de40b8b2958d92e3ea4d16420578bf9e158395b67bed3a73d63c4fe22c9586802f8da5645e8a7d684b74d39b56c14

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nXB55Mt.exe

Filesize
367KB

MD5
d3c250f07018b2278cb836d68bcfc589

SHA1
09219e926e1bfa6c2a7e95a5fe72b9df0b5e6b82

SHA256
33d3a53d4b900a337226670163db3b43e036defab891c1ce133c500f9c93c902

SHA512
cd4dca79e908ddb19c4a5cb87567b7af5e6de40b8b2958d92e3ea4d16420578bf9e158395b67bed3a73d63c4fe22c9586802f8da5645e8a7d684b74d39b56c14

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bcZ31kY.exe

Filesize
222KB

MD5
a9a31ca9a35d8caac2f16e884f5132d9

SHA1
a9409333bff25265779546cee60a394f51d3ad62

SHA256
422112976d1772dc6cf7a79460e8c72acc4b1d156212b15f2f0e8f84b456e32c

SHA512
f330ab56bb96bf541edf4d55e739c5bc4031d2c940091ae01991e4ce4e6a9b3fc0adbe05c5fc09601e8ea44eed5ce5c12b73c85961cb12bdfd5a23ab6cec32ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bcZ31kY.exe

Filesize
222KB

MD5
a9a31ca9a35d8caac2f16e884f5132d9

SHA1
a9409333bff25265779546cee60a394f51d3ad62

SHA256
422112976d1772dc6cf7a79460e8c72acc4b1d156212b15f2f0e8f84b456e32c

SHA512
f330ab56bb96bf541edf4d55e739c5bc4031d2c940091ae01991e4ce4e6a9b3fc0adbe05c5fc09601e8ea44eed5ce5c12b73c85961cb12bdfd5a23ab6cec32ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dYi20SZ.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dYi20SZ.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/1080-138-0x0000000000AE2000-0x0000000000B02000-memory.dmp

Filesize
128KB

Download
memory/1080-141-0x0000000004D90000-0x0000000005334000-memory.dmp

Filesize
5.6MB

Download
memory/1080-142-0x0000000000AE2000-0x0000000000B02000-memory.dmp

Filesize
128KB

Download
memory/1080-143-0x0000000000400000-0x0000000000793000-memory.dmp

Filesize
3.6MB

Download
memory/1080-140-0x0000000000400000-0x0000000000793000-memory.dmp

Filesize
3.6MB

Download
memory/1080-139-0x0000000000940000-0x000000000096D000-memory.dmp

Filesize
180KB

Download
memory/2336-148-0x0000000005D00000-0x0000000006318000-memory.dmp

Filesize
6.1MB

Download
memory/2336-156-0x0000000006A40000-0x0000000006AB6000-memory.dmp

Filesize
472KB

Download
memory/2336-149-0x0000000005860000-0x000000000596A000-memory.dmp

Filesize
1.0MB

Download
memory/2336-150-0x0000000005790000-0x00000000057A2000-memory.dmp

Filesize
72KB

Download
memory/2336-151-0x00000000057F0000-0x000000000582C000-memory.dmp

Filesize
240KB

Download
memory/2336-152-0x0000000005B20000-0x0000000005B86000-memory.dmp

Filesize
408KB

Download
memory/2336-153-0x0000000006700000-0x0000000006792000-memory.dmp

Filesize
584KB

Download
memory/2336-154-0x0000000007180000-0x0000000007342000-memory.dmp

Filesize
1.8MB

Download
memory/2336-155-0x0000000007880000-0x0000000007DAC000-memory.dmp

Filesize
5.2MB

Download
memory/2336-157-0x0000000006AC0000-0x0000000006B10000-memory.dmp

Filesize
320KB

Download
memory/2336-147-0x0000000000F00000-0x0000000000F32000-memory.dmp

Filesize
200KB

Download
memory/4224-161-0x0000000000B20000-0x0000000000B2A000-memory.dmp

Filesize
40KB

Download
memory/4224-162-0x00007FFA670C0000-0x00007FFA67B81000-memory.dmp

Filesize
10.8MB

Download
memory/4224-163-0x00007FFA670C0000-0x00007FFA67B81000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads