redline | f6ef39ad4c596ccac29d13a03de27e3f264603c901c5ca34834fe2043d5259af | Triage

Analysis

max time kernel
91s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2023, 22:03 UTC

Sharing

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General

Target

f6ef39ad4c596ccac29d13a03de27e3f264603c901c5ca34834fe2043d5259af.exe
Size

478KB
MD5

ad73f56789ba7bb139feba1217f9d3b7
SHA1

06672cfd3f4d13fc5e9639e7e4f7e2d3cdef8e10
SHA256

f6ef39ad4c596ccac29d13a03de27e3f264603c901c5ca34834fe2043d5259af
SHA512

80f1ab2b92c887adedaf060037d54d57d5b5053446c5a1589e573043295a2c1a1bad1c86ad72f8e30421fe47bab84245cf35c713c31def1ac3a4a605b524e3b9
SSDEEP

12288:eMrvy90F/0cOMa/B0YY9fHW/e8yU2w80Mbz:NymeMo4KSwAbz

Score

10^/10

redline fusa discovery evasion infostealer persistence spyware stealer trojan

Malware Config

Extracted

Family

redline

Botnet

fusa

C2

193.233.20.12:4132

Attributes

auth_value
a08b2f01bd2af756e38c5dd60e87e697

Signatures

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

Modify Registry

Modify Existing Service

Disabling Security Tools

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	biB59lo.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	biB59lo.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	biB59lo.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	biB59lo.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	biB59lo.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	laz96Cd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	laz96Cd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	laz96Cd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	laz96Cd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	biB59lo.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	laz96Cd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	laz96Cd.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
4816	nKl63jt.exe
4852	biB59lo.exe
4588	dTY09ee.exe
1780	laz96Cd.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

Disabling Security Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	biB59lo.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	biB59lo.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	laz96Cd.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

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	f6ef39ad4c596ccac29d13a03de27e3f264603c901c5ca34834fe2043d5259af.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\\\""	f6ef39ad4c596ccac29d13a03de27e3f264603c901c5ca34834fe2043d5259af.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	nKl63jt.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\\\""	nKl63jt.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
4456	4852	WerFault.exe	81

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4852	biB59lo.exe
4852	biB59lo.exe
4588	dTY09ee.exe
4588	dTY09ee.exe
1780	laz96Cd.exe
1780	laz96Cd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4852	biB59lo.exe
Token: SeDebugPrivilege	4588	dTY09ee.exe
Token: SeDebugPrivilege	1780	laz96Cd.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4280 wrote to memory of 4816	4280	f6ef39ad4c596ccac29d13a03de27e3f264603c901c5ca34834fe2043d5259af.exe	80
PID 4280 wrote to memory of 4816	4280	f6ef39ad4c596ccac29d13a03de27e3f264603c901c5ca34834fe2043d5259af.exe	80
PID 4280 wrote to memory of 4816	4280	f6ef39ad4c596ccac29d13a03de27e3f264603c901c5ca34834fe2043d5259af.exe	80
PID 4816 wrote to memory of 4852	4816	nKl63jt.exe	81
PID 4816 wrote to memory of 4852	4816	nKl63jt.exe	81
PID 4816 wrote to memory of 4852	4816	nKl63jt.exe	81
PID 4816 wrote to memory of 4588	4816	nKl63jt.exe	84
PID 4816 wrote to memory of 4588	4816	nKl63jt.exe	84
PID 4816 wrote to memory of 4588	4816	nKl63jt.exe	84
PID 4280 wrote to memory of 1780	4280	f6ef39ad4c596ccac29d13a03de27e3f264603c901c5ca34834fe2043d5259af.exe	86
PID 4280 wrote to memory of 1780	4280	f6ef39ad4c596ccac29d13a03de27e3f264603c901c5ca34834fe2043d5259af.exe	86

C:\Users\Admin\AppData\Local\Temp\f6ef39ad4c596ccac29d13a03de27e3f264603c901c5ca34834fe2043d5259af.exe
"C:\Users\Admin\AppData\Local\Temp\f6ef39ad4c596ccac29d13a03de27e3f264603c901c5ca34834fe2043d5259af.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4280
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKl63jt.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKl63jt.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4816
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\biB59lo.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\biB59lo.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4852
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4852 -s 1072
      4⤵
      Program crash
      PID:4456
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dTY09ee.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dTY09ee.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4588
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\laz96Cd.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\laz96Cd.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4852 -ip 4852
1⤵
PID:1956

Network

DNS

151.122.125.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

151.122.125.40.in-addr.arpa

IN PTR

Response

20.224.254.73:443

40 B
1
193.233.20.12:4132

dTY09ee.exe

3.4MB
50.9kB
2479
1095
52.152.108.96:443

260 B
5
88.221.25.154:80

322 B
7
88.221.25.154:80

322 B
7
104.80.225.205:443

322 B
7
20.50.73.9:443

322 B
7
8.248.7.254:80

322 B
7
8.248.7.254:80

322 B
7
8.248.7.254:80

322 B
7

8.8.8.8:53

151.122.125.40.in-addr.arpa

dns

73 B
159 B
1
1

DNS Request

151.122.125.40.in-addr.arpa

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Disabling Security Tools

Modify Registry

Credential Access

Credentials in Files

Discovery

Query Registry

Lateral Movement

Collection

Data from Local System

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\laz96Cd.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\laz96Cd.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKl63jt.exe

Filesize
375KB

MD5
aa9dd08139f3b4c32a236109630491c9

SHA1
88268d297f357087a67b3560e73fac5ecc96fae6

SHA256
6aaeb29f413e39fabc19f2997f8f3de3535a4784671bb95a6907332c698f4047

SHA512
45ebe06ef420c1444358f737196168a6a551c7fb98dd178cf2e8bed6fced9eca2c5771d31ac10dd2294da43ef4421ea146117cd02d9897141b68b89f764f5842

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nKl63jt.exe

Filesize
375KB

MD5
aa9dd08139f3b4c32a236109630491c9

SHA1
88268d297f357087a67b3560e73fac5ecc96fae6

SHA256
6aaeb29f413e39fabc19f2997f8f3de3535a4784671bb95a6907332c698f4047

SHA512
45ebe06ef420c1444358f737196168a6a551c7fb98dd178cf2e8bed6fced9eca2c5771d31ac10dd2294da43ef4421ea146117cd02d9897141b68b89f764f5842

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\biB59lo.exe

Filesize
235KB

MD5
ea2af715b2c17a763c05bffc5669ded5

SHA1
876295abbc668533e3629c38e5b4db50776f969a

SHA256
b639725c9da4eecd879a811d1f643a2d7cef7b15079547c075f3f380f2e83e29

SHA512
1f42bf7bed7a87b2da22af31b6c0f3afe844eac6949e2f9379290ff6548259431f6f55c3d5a3de2f408889e0f3cb67898e1e26050b87408a10937902df0b0c9d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\biB59lo.exe

Filesize
235KB

MD5
ea2af715b2c17a763c05bffc5669ded5

SHA1
876295abbc668533e3629c38e5b4db50776f969a

SHA256
b639725c9da4eecd879a811d1f643a2d7cef7b15079547c075f3f380f2e83e29

SHA512
1f42bf7bed7a87b2da22af31b6c0f3afe844eac6949e2f9379290ff6548259431f6f55c3d5a3de2f408889e0f3cb67898e1e26050b87408a10937902df0b0c9d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dTY09ee.exe

Filesize
175KB

MD5
da6f3bef8abc85bd09f50783059964e3

SHA1
a0f25f60ec1896c4c920ea397f40e6ce29724322

SHA256
e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b

SHA512
4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dTY09ee.exe

Filesize
175KB

MD5
da6f3bef8abc85bd09f50783059964e3

SHA1
a0f25f60ec1896c4c920ea397f40e6ce29724322

SHA256
e6d9ee8ab0ea2ade6e5a9481d8f0f921427ec6919b1b48c6067570fde270736b

SHA512
4d2e1472b114c98c74900b8305aabbc49ba28edffdc2376206cf02e26593df4e444933b3aa19f0c6cd0ae3ac3133d656433574aaf25a57748758e5dd25edfbec

Download Submit
memory/1780-164-0x00007FFB80BA0000-0x00007FFB81661000-memory.dmp

Filesize
10.8MB

Download
memory/1780-163-0x00007FFB80BA0000-0x00007FFB81661000-memory.dmp

Filesize
10.8MB

Download
memory/1780-162-0x00000000008F0000-0x00000000008FA000-memory.dmp

Filesize
40KB

Download
memory/4588-156-0x0000000007620000-0x0000000007B4C000-memory.dmp

Filesize
5.2MB

Download
memory/4588-155-0x0000000006F20000-0x00000000070E2000-memory.dmp

Filesize
1.8MB

Download
memory/4588-158-0x0000000006EA0000-0x0000000006EF0000-memory.dmp

Filesize
320KB

Download
memory/4588-157-0x00000000071F0000-0x0000000007266000-memory.dmp

Filesize
472KB

Download
memory/4588-148-0x0000000000BF0000-0x0000000000C22000-memory.dmp

Filesize
200KB

Download
memory/4588-149-0x0000000005BD0000-0x00000000061E8000-memory.dmp

Filesize
6.1MB

Download
memory/4588-150-0x00000000056C0000-0x00000000057CA000-memory.dmp

Filesize
1.0MB

Download
memory/4588-151-0x00000000055D0000-0x00000000055E2000-memory.dmp

Filesize
72KB

Download
memory/4588-152-0x0000000005630000-0x000000000566C000-memory.dmp

Filesize
240KB

Download
memory/4588-153-0x0000000005AE0000-0x0000000005B72000-memory.dmp

Filesize
584KB

Download
memory/4588-154-0x00000000061F0000-0x0000000006256000-memory.dmp

Filesize
408KB

Download
memory/4852-143-0x0000000000851000-0x0000000000871000-memory.dmp

Filesize
128KB

Download
memory/4852-144-0x0000000000400000-0x000000000056C000-memory.dmp

Filesize
1.4MB

Download
memory/4852-142-0x0000000000851000-0x0000000000871000-memory.dmp

Filesize
128KB

Download
memory/4852-141-0x0000000004B50000-0x00000000050F4000-memory.dmp

Filesize
5.6MB

Download
memory/4852-140-0x0000000000400000-0x000000000056C000-memory.dmp

Filesize
1.4MB

Download
memory/4852-139-0x0000000000640000-0x000000000066D000-memory.dmp

Filesize
180KB

Download
memory/4852-138-0x0000000000851000-0x0000000000871000-memory.dmp

Filesize
128KB

Download