redline | 36ccb94aa071489c4f03b72cd09c2560e40d66e541e006b5f6ca1b6e84ef2e1a

General

Target

tmp77EA.tmp.exe
Size

2.3MB
MD5

1d85c4d35f557fbbde158258300b753f
SHA1

1a0f596ee4f5abdb3dc3bad8a1247625fce982ea
SHA256

36ccb94aa071489c4f03b72cd09c2560e40d66e541e006b5f6ca1b6e84ef2e1a
SHA512

09aa7748f392dd2104672e4f774d717298659bb6df21db51de8455e01dba0ee0d5761ecf7cf5bd24eaae80943b91ed4ab189d1e1a0df9621636bb33a2e2cdd52
SSDEEP

49152:Vg9FpS1fbJT9VhpwKxh5ors6lz1u1M6s1V2hcCudLP1FqDfk:S9FpYJT9pw+2sMz1u1M6s/2HIPjqDc

Score

10^/10

redline redline discovery infostealer spyware stealer

Malware Config

Extracted

Family

redline

Botnet

redline

C2

79.137.133.225:25999

Attributes

auth_value
38284dbf15da9b4a9eaee0ef0d2b343f

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

tmp77EA.tmp.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	tmp77EA.tmp.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
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 use of SetThreadContext 1 IoCs

Processes:

tmp77EA.tmp.exe

description pid process target process

PID 4856 set thread context of 3132 4856 tmp77EA.tmp.exe tmp77EA.tmp.exe
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 4 IoCs

Processes:

powershell.exetmp77EA.tmp.exe

pid process

4576 powershell.exe
4576 powershell.exe
3132 tmp77EA.tmp.exe
3132 tmp77EA.tmp.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

tmp77EA.tmp.exepowershell.exetmp77EA.tmp.exe

description pid process

Token: SeDebugPrivilege 4856 tmp77EA.tmp.exe
Token: SeDebugPrivilege 4576 powershell.exe
Token: SeDebugPrivilege 3132 tmp77EA.tmp.exe

description	pid	process	target process
PID 4856 set thread context of 3132	4856	tmp77EA.tmp.exe	tmp77EA.tmp.exe

pid	process
4576	powershell.exe
4576	powershell.exe
3132	tmp77EA.tmp.exe
3132	tmp77EA.tmp.exe

description	pid	process
Token: SeDebugPrivilege	4856	tmp77EA.tmp.exe
Token: SeDebugPrivilege	4576	powershell.exe
Token: SeDebugPrivilege	3132	tmp77EA.tmp.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

tmp77EA.tmp.exe

description	pid	process	target process
PID 4856 wrote to memory of 4576	4856	tmp77EA.tmp.exe	powershell.exe
PID 4856 wrote to memory of 4576	4856	tmp77EA.tmp.exe	powershell.exe
PID 4856 wrote to memory of 4576	4856	tmp77EA.tmp.exe	powershell.exe
PID 4856 wrote to memory of 3132	4856	tmp77EA.tmp.exe	tmp77EA.tmp.exe
PID 4856 wrote to memory of 3132	4856	tmp77EA.tmp.exe	tmp77EA.tmp.exe
PID 4856 wrote to memory of 3132	4856	tmp77EA.tmp.exe	tmp77EA.tmp.exe
PID 4856 wrote to memory of 3132	4856	tmp77EA.tmp.exe	tmp77EA.tmp.exe
PID 4856 wrote to memory of 3132	4856	tmp77EA.tmp.exe	tmp77EA.tmp.exe
PID 4856 wrote to memory of 3132	4856	tmp77EA.tmp.exe	tmp77EA.tmp.exe
PID 4856 wrote to memory of 3132	4856	tmp77EA.tmp.exe	tmp77EA.tmp.exe
PID 4856 wrote to memory of 3132	4856	tmp77EA.tmp.exe	tmp77EA.tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp77EA.tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp77EA.tmp.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4856

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4576

C:\Users\Admin\AppData\Local\Temp\tmp77EA.tmp.exe
C:\Users\Admin\AppData\Local\Temp\tmp77EA.tmp.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3132

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\tmp77EA.tmp.exe.log
Filesize
1KB

MD5
2bea5ace75c1c406471930d05acf41f1

SHA1
fb20b843c1bf0340d17793752b9bca1e2e0333ba

SHA256
56036effd69e1a8cf8f77bb8acfee51f312865979e734638a2ad8f089d078d73

SHA512
86a8af16f5ff8436418bddb4ff59211c770353416ef262bad0a36b2b5afa1ab766c63fd93a5d02c323c0504e10bbff43d5ff6cadc01739f64e135a6a9b388b1c

Download Submit
memory/3132-144-0x0000000000000000-mapping.dmp

Download
memory/3132-154-0x0000000007F10000-0x000000000843C000-memory.dmp

Filesize
5.2MB

Download
memory/3132-153-0x0000000007140000-0x0000000007302000-memory.dmp

Filesize
1.8MB

Download
memory/3132-152-0x0000000006570000-0x00000000065C0000-memory.dmp

Filesize
320KB

Download
memory/3132-151-0x00000000064F0000-0x0000000006566000-memory.dmp

Filesize
472KB

Download
memory/3132-150-0x0000000005540000-0x000000000557C000-memory.dmp

Filesize
240KB

Download
memory/3132-149-0x00000000054E0000-0x00000000054F2000-memory.dmp

Filesize
72KB

Download
memory/3132-148-0x00000000055B0000-0x00000000056BA000-memory.dmp

Filesize
1.0MB

Download
memory/3132-147-0x0000000005A30000-0x0000000006048000-memory.dmp

Filesize
6.1MB

Download
memory/3132-145-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4576-137-0x0000000005FD0000-0x0000000006036000-memory.dmp

Filesize
408KB

Download
memory/4576-141-0x0000000006B70000-0x0000000006B8A000-memory.dmp

Filesize
104KB

Download
memory/4576-140-0x0000000007F00000-0x000000000857A000-memory.dmp

Filesize
6.5MB

Download
memory/4576-139-0x0000000006690000-0x00000000066AE000-memory.dmp

Filesize
120KB

Download
memory/4576-138-0x0000000006040000-0x00000000060A6000-memory.dmp

Filesize
408KB

Download
memory/4576-136-0x0000000005830000-0x0000000005E58000-memory.dmp

Filesize
6.2MB

Download
memory/4576-135-0x00000000030F0000-0x0000000003126000-memory.dmp

Filesize
216KB

Download
memory/4576-134-0x0000000000000000-mapping.dmp

Download
memory/4856-143-0x0000000006EF0000-0x0000000007494000-memory.dmp

Filesize
5.6MB

Download
memory/4856-142-0x00000000059D0000-0x0000000005A62000-memory.dmp

Filesize
584KB

Download
memory/4856-132-0x0000000000870000-0x0000000000ACE000-memory.dmp

Filesize
2.4MB

Download
memory/4856-133-0x0000000005820000-0x0000000005842000-memory.dmp

Filesize
136KB

Download

Analysis

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