redline | 20604c0a935b40dae9f6f791deddf9f6c37524d6bbfb90b1ee7e6a6b339c61a9

General

Target

Loader2.exe
Size

4.6MB
MD5

8b748c19d519e352be4672fbc6b3561d
SHA1

ec7068896649caac57a04bf0fc101ddb4749861c
SHA256

b95da2213bec289569d3d68a8e461b74b78c86dfcc1f5a794dceec5de1b6a811
SHA512

f59964ccc2f3552e006a9ff1592aec7747d5355c053d9dd24e3fb5e907990e2339c6d37ea96243af88ceed8bd63318444143231f7d37b7966092be23e903833b

Score

10^/10

redline ytstealer infostealer spyware stealer upx

Malware Config

Extracted

Family

redline

C2

185.200.191.18:80

Attributes

auth_value
c7fe4e520a2358e148de28eb0d3f7a5e

Signatures

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

RedLine payload 1 IoCs

resource	yara_rule
behavioral4/memory/190428-138-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline

YTStealer
YTStealer is a malware designed to steal YouTube authentication cookies.
stealer ytstealer

YTStealer payload 2 IoCs

resource	yara_rule
behavioral4/memory/1048-147-0x0000000000460000-0x0000000001272000-memory.dmp	family_ytstealer
behavioral4/memory/1048-152-0x0000000000460000-0x0000000001272000-memory.dmp	family_ytstealer

Executes dropped EXE 2 IoCs

pid	Process
1148	@bat9_v_zdanii_crypted.exe
1048	1007820897.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral4/files/0x0007000000022eda-135.dat	upx
behavioral4/files/0x0007000000022eda-134.dat	upx
behavioral4/memory/1048-136-0x0000000000460000-0x0000000001272000-memory.dmp	upx
behavioral4/memory/1048-147-0x0000000000460000-0x0000000001272000-memory.dmp	upx
behavioral4/memory/1048-152-0x0000000000460000-0x0000000001272000-memory.dmp	upx

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1148 set thread context of 190428	1148	@bat9_v_zdanii_crypted.exe	86

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2448	powershell.exe
2448	powershell.exe
190428	AppLaunch.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2448	powershell.exe
Token: SeDebugPrivilege	190428	AppLaunch.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 1148	3060	Loader2.exe	83
PID 3060 wrote to memory of 1148	3060	Loader2.exe	83
PID 3060 wrote to memory of 1148	3060	Loader2.exe	83
PID 3060 wrote to memory of 1048	3060	Loader2.exe	85
PID 3060 wrote to memory of 1048	3060	Loader2.exe	85
PID 1148 wrote to memory of 190428	1148	@bat9_v_zdanii_crypted.exe	86
PID 1148 wrote to memory of 190428	1148	@bat9_v_zdanii_crypted.exe	86
PID 1148 wrote to memory of 190428	1148	@bat9_v_zdanii_crypted.exe	86
PID 1148 wrote to memory of 190428	1148	@bat9_v_zdanii_crypted.exe	86
PID 1148 wrote to memory of 190428	1148	@bat9_v_zdanii_crypted.exe	86
PID 1048 wrote to memory of 2448	1048	1007820897.exe	87
PID 1048 wrote to memory of 2448	1048	1007820897.exe	87

C:\Users\Admin\AppData\Local\Temp\Loader2.exe
"C:\Users\Admin\AppData\Local\Temp\Loader2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3060
- C:\Users\Admin\AppData\Roaming\@bat9_v_zdanii_crypted.exe
  C:\Users\Admin\AppData\Roaming\@bat9_v_zdanii_crypted.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1148
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:190428
- C:\Users\Admin\AppData\Roaming\1007820897.exe
  C:\Users\Admin\AppData\Roaming\1007820897.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1048
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell "" "Get-WmiObject Win32_PortConnector"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2448

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

1

T1082

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\Roaming\1007820897.exe

Filesize
4.0MB

MD5
17fa7aff7201cf79ea793dc6f746b39c

SHA1
0f4b73f05e681a5fe58f38dcb762bafabd30ceff

SHA256
dc140ad2600b12c84abe85507e95817b672ec7b82889cd4e2abcb2a0b7261f95

SHA512
b5da4cc4adfe5de6f883d4748b209c68cff94cff98548ed7f9a75e6ea66d2d83e53989fd020094c517c1d0087d8f0697ffa4b00a686ed5c61c1a7aa8a6610a9a

Download Submit
C:\Users\Admin\AppData\Roaming\1007820897.exe

Filesize
4.0MB

MD5
17fa7aff7201cf79ea793dc6f746b39c

SHA1
0f4b73f05e681a5fe58f38dcb762bafabd30ceff

SHA256
dc140ad2600b12c84abe85507e95817b672ec7b82889cd4e2abcb2a0b7261f95

SHA512
b5da4cc4adfe5de6f883d4748b209c68cff94cff98548ed7f9a75e6ea66d2d83e53989fd020094c517c1d0087d8f0697ffa4b00a686ed5c61c1a7aa8a6610a9a

Download Submit
C:\Users\Admin\AppData\Roaming\@bat9_v_zdanii_crypted.exe

Filesize
995KB

MD5
e2249292561cf6855efd151e5c5974b3

SHA1
817d987a5a7666482cda05c559c25db42fa6a0ee

SHA256
0d97e3c1a524343815209676b634d51e8665f3d68628adc6b7870f1e47df8627

SHA512
8db21f73e6f564f8d88c04c46e0c8dc276f4b7b9290b09fbaf2cd2f948316c36e6be57defe493a2192b1627d821559645388502a288b10faa169f59bfe9d9602

Download Submit
C:\Users\Admin\AppData\Roaming\@bat9_v_zdanii_crypted.exe

Filesize
995KB

MD5
e2249292561cf6855efd151e5c5974b3

SHA1
817d987a5a7666482cda05c559c25db42fa6a0ee

SHA256
0d97e3c1a524343815209676b634d51e8665f3d68628adc6b7870f1e47df8627

SHA512
8db21f73e6f564f8d88c04c46e0c8dc276f4b7b9290b09fbaf2cd2f948316c36e6be57defe493a2192b1627d821559645388502a288b10faa169f59bfe9d9602

Download Submit
memory/1048-152-0x0000000000460000-0x0000000001272000-memory.dmp

Filesize
14.1MB

Download
memory/1048-147-0x0000000000460000-0x0000000001272000-memory.dmp

Filesize
14.1MB

Download
memory/1048-136-0x0000000000460000-0x0000000001272000-memory.dmp

Filesize
14.1MB

Download
memory/2448-151-0x00007FFB29840000-0x00007FFB2A301000-memory.dmp

Filesize
10.8MB

Download
memory/2448-150-0x00007FFB29840000-0x00007FFB2A301000-memory.dmp

Filesize
10.8MB

Download
memory/2448-149-0x0000021B49890000-0x0000021B498B2000-memory.dmp

Filesize
136KB

Download
memory/190428-144-0x0000000004E50000-0x0000000004E62000-memory.dmp

Filesize
72KB

Download
memory/190428-154-0x0000000006510000-0x00000000065A2000-memory.dmp

Filesize
584KB

Download
memory/190428-145-0x0000000004F80000-0x000000000508A000-memory.dmp

Filesize
1.0MB

Download
memory/190428-143-0x00000000053F0000-0x0000000005A08000-memory.dmp

Filesize
6.1MB

Download
memory/190428-138-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/190428-153-0x00000000063F0000-0x0000000006466000-memory.dmp

Filesize
472KB

Download
memory/190428-146-0x0000000004EB0000-0x0000000004EEC000-memory.dmp

Filesize
240KB

Download
memory/190428-155-0x0000000006B60000-0x0000000007104000-memory.dmp

Filesize
5.6MB

Download
memory/190428-156-0x00000000065F0000-0x000000000660E000-memory.dmp

Filesize
120KB

Download
memory/190428-157-0x0000000006900000-0x0000000006966000-memory.dmp

Filesize
408KB

Download
memory/190428-158-0x00000000072E0000-0x00000000074A2000-memory.dmp

Filesize
1.8MB

Download
memory/190428-159-0x00000000079E0000-0x0000000007F0C000-memory.dmp

Filesize
5.2MB

Download
memory/190428-160-0x00000000075B0000-0x0000000007600000-memory.dmp

Filesize
320KB

Download

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