redline | 4fef6144af1eab04fb95c4a17793a29d562e5714af766d338e46c94051f1fb8c

General

Target

4fef6144af1eab04fb95c4a17793a29d562e5714af766d338e46c94051f1fb8c.exe
Size

1.2MB
MD5

59df4066422b0c50649fabcd283c05d3
SHA1

07dbcae5a88a1ee48b8fc02a4edc9482b5ee0282
SHA256

4fef6144af1eab04fb95c4a17793a29d562e5714af766d338e46c94051f1fb8c
SHA512

0ba84cfad65c6d040fcbaf5c66c6fe99f2d46be91e176bdb508d839d0841c1c53a17ee4cf27474e010bb1e3202f60df948b2ff57362557b17820a37cf1f0bcfc
SSDEEP

24576:nyZEnlHUfcT5DV7PR6C/JhnFDXsFsI1uQYK1BRXWyBw++52THDG:yWHU0T5RzRDr5XsFsY1BRX2++SD

Score

10^/10

redline discovery infostealer persistence spyware stealer

Malware Config

Signatures

Detects Redline Stealer samples 3 IoCs

This rule detects the presence of Redline Stealer samples based on their unique strings.

stealer

resource	yara_rule
behavioral2/memory/452-156-0x0000000007C30000-0x0000000008248000-memory.dmp	redline_stealer
behavioral2/memory/452-161-0x0000000007A70000-0x0000000007AD6000-memory.dmp	redline_stealer
behavioral2/memory/452-165-0x00000000090D0000-0x0000000009292000-memory.dmp	redline_stealer

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

Executes dropped EXE 4 IoCs

pid	Process
4764	x6683454.exe
264	x3815054.exe
452	g7265315.exe
3608	h1964081.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
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 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

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\\\""	4fef6144af1eab04fb95c4a17793a29d562e5714af766d338e46c94051f1fb8c.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	x6683454.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\\\""	x6683454.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	x3815054.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\\\""	x3815054.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	4fef6144af1eab04fb95c4a17793a29d562e5714af766d338e46c94051f1fb8c.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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
452	g7265315.exe
452	g7265315.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	452	g7265315.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3680 wrote to memory of 4764	3680	4fef6144af1eab04fb95c4a17793a29d562e5714af766d338e46c94051f1fb8c.exe	79
PID 3680 wrote to memory of 4764	3680	4fef6144af1eab04fb95c4a17793a29d562e5714af766d338e46c94051f1fb8c.exe	79
PID 3680 wrote to memory of 4764	3680	4fef6144af1eab04fb95c4a17793a29d562e5714af766d338e46c94051f1fb8c.exe	79
PID 4764 wrote to memory of 264	4764	x6683454.exe	80
PID 4764 wrote to memory of 264	4764	x6683454.exe	80
PID 4764 wrote to memory of 264	4764	x6683454.exe	80
PID 264 wrote to memory of 452	264	x3815054.exe	81
PID 264 wrote to memory of 452	264	x3815054.exe	81
PID 264 wrote to memory of 452	264	x3815054.exe	81
PID 264 wrote to memory of 3608	264	x3815054.exe	86
PID 264 wrote to memory of 3608	264	x3815054.exe	86
PID 264 wrote to memory of 3608	264	x3815054.exe	86

C:\Users\Admin\AppData\Local\Temp\4fef6144af1eab04fb95c4a17793a29d562e5714af766d338e46c94051f1fb8c.exe
"C:\Users\Admin\AppData\Local\Temp\4fef6144af1eab04fb95c4a17793a29d562e5714af766d338e46c94051f1fb8c.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3680
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6683454.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6683454.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4764
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x3815054.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x3815054.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:264
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g7265315.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g7265315.exe
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:452
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\h1964081.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\h1964081.exe
      4⤵
      Executes dropped EXE
      PID:3608

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6683454.exe

Filesize
914KB

MD5
123dd236919782276489c5d5d0153e95

SHA1
8a6f9cd6f1db639863bbdc6d59c72aa3b5fe313d

SHA256
59f203cb545d3f2afeba58fda390b1540839fbd7542463ad590f79e3b151cf1d

SHA512
341431f0afb0af639213f34db419bc1af94183d5a3054a1639b9bde7951bd0fdd7cb86ee885845a9fc72b8108ad2edaa768c5b4f64a875cf12e575b22f7d2686

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x6683454.exe

Filesize
914KB

MD5
123dd236919782276489c5d5d0153e95

SHA1
8a6f9cd6f1db639863bbdc6d59c72aa3b5fe313d

SHA256
59f203cb545d3f2afeba58fda390b1540839fbd7542463ad590f79e3b151cf1d

SHA512
341431f0afb0af639213f34db419bc1af94183d5a3054a1639b9bde7951bd0fdd7cb86ee885845a9fc72b8108ad2edaa768c5b4f64a875cf12e575b22f7d2686

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x3815054.exe

Filesize
416KB

MD5
3ba91b7455589cd5621d2e6c5fa9fcd1

SHA1
0a67e20f04ca132a49da9ddd9c45ce606dc61f49

SHA256
0868391c6786c157fbf37af16774e04e7bd3c0121f2ee4a1aa58cbdebb1ae14b

SHA512
158db1327816e73d0c04429c3658f29c2b002fa23424bc2a82be7155359d4ff4a901c66f54005ccd83d87f3e116bc6e059fb31550186994643a388d741002b01

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x3815054.exe

Filesize
416KB

MD5
3ba91b7455589cd5621d2e6c5fa9fcd1

SHA1
0a67e20f04ca132a49da9ddd9c45ce606dc61f49

SHA256
0868391c6786c157fbf37af16774e04e7bd3c0121f2ee4a1aa58cbdebb1ae14b

SHA512
158db1327816e73d0c04429c3658f29c2b002fa23424bc2a82be7155359d4ff4a901c66f54005ccd83d87f3e116bc6e059fb31550186994643a388d741002b01

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g7265315.exe

Filesize
137KB

MD5
1da35ea199696ab2ae0d3e1fed9d3d31

SHA1
2cef0c0da8d9fbad5a423a9faad81dba8fdddcff

SHA256
89ecb927a2edd64606b47f99c0fbe2f924ea4af755737c702d1dac451484ee93

SHA512
41e420d76438cee42c53b114e1ec3464594c93789dbfebb9c11215900a7f507b6645a3d5b599beb9bcac86d1caaae711effdb24c101468479b8b51ddb1f6df5d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g7265315.exe

Filesize
137KB

MD5
1da35ea199696ab2ae0d3e1fed9d3d31

SHA1
2cef0c0da8d9fbad5a423a9faad81dba8fdddcff

SHA256
89ecb927a2edd64606b47f99c0fbe2f924ea4af755737c702d1dac451484ee93

SHA512
41e420d76438cee42c53b114e1ec3464594c93789dbfebb9c11215900a7f507b6645a3d5b599beb9bcac86d1caaae711effdb24c101468479b8b51ddb1f6df5d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\h1964081.exe

Filesize
360KB

MD5
1247141f044c80850cdf6e951e272f3d

SHA1
602a51892cf1877b7d976d44a1fea723dd870056

SHA256
f7c19fedad1ebdaa9512ec8c37cddad91769360bf947c54b368561fc3d520819

SHA512
91375e17c814abbab52acd62229183b138417d88dfe41455a7a2cc27573891692169ebde5c0393e0021a553ca2cad711d1acebf79b72fa2272041955689c002f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\h1964081.exe

Filesize
360KB

MD5
1247141f044c80850cdf6e951e272f3d

SHA1
602a51892cf1877b7d976d44a1fea723dd870056

SHA256
f7c19fedad1ebdaa9512ec8c37cddad91769360bf947c54b368561fc3d520819

SHA512
91375e17c814abbab52acd62229183b138417d88dfe41455a7a2cc27573891692169ebde5c0393e0021a553ca2cad711d1acebf79b72fa2272041955689c002f

Download Submit
memory/452-159-0x0000000007730000-0x000000000776C000-memory.dmp

Filesize
240KB

Download
memory/452-164-0x0000000008870000-0x00000000088E6000-memory.dmp

Filesize
472KB

Download
memory/452-157-0x00000000076B0000-0x00000000076C2000-memory.dmp

Filesize
72KB

Download
memory/452-160-0x0000000007720000-0x0000000007730000-memory.dmp

Filesize
64KB

Download
memory/452-161-0x0000000007A70000-0x0000000007AD6000-memory.dmp

Filesize
408KB

Download
memory/452-162-0x0000000008B20000-0x00000000090C4000-memory.dmp

Filesize
5.6MB

Download
memory/452-163-0x0000000008650000-0x00000000086E2000-memory.dmp

Filesize
584KB

Download
memory/452-158-0x00000000077E0000-0x00000000078EA000-memory.dmp

Filesize
1.0MB

Download
memory/452-165-0x00000000090D0000-0x0000000009292000-memory.dmp

Filesize
1.8MB

Download
memory/452-166-0x00000000097D0000-0x0000000009CFC000-memory.dmp

Filesize
5.2MB

Download
memory/452-167-0x0000000008AD0000-0x0000000008AEE000-memory.dmp

Filesize
120KB

Download
memory/452-168-0x0000000007720000-0x0000000007730000-memory.dmp

Filesize
64KB

Download
memory/452-169-0x00000000028A0000-0x00000000028F0000-memory.dmp

Filesize
320KB

Download
memory/452-156-0x0000000007C30000-0x0000000008248000-memory.dmp

Filesize
6.1MB

Download
memory/452-155-0x00000000009A0000-0x00000000009C8000-memory.dmp

Filesize
160KB

Download

Analysis

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