redline | 688851b3d020213958e978a00a32113326d2ee66a6bfc5cceb279e393da2ea86

General

Target

688851b3d020213958e978a00a32113326d2ee66a6bfc5cceb279e393da2ea86.exe
Size

3.8MB
MD5

61cdf7e4eca424c763178c94c7ef760f
SHA1

f2096fd54988dbf5a8a9dab58bbd2f919661c5ab
SHA256

688851b3d020213958e978a00a32113326d2ee66a6bfc5cceb279e393da2ea86
SHA512

6eb87a0bc294d6e4920fc82e9ae2ec397f2a3e31fde8a03644f21216e91aa27148b99e5ae8c92ef9a930ec20c9306a97b33e316fb8b8b981cde9a5df10920812
SSDEEP

98304:nyBQbqAIBax9N1kCvwYxgAmZtd6xcN2QBYMYhRkbp97:nyIioXwYOAgd6KX9Y/y3

Score

10^/10

redline discovery infostealer

Malware Config

Extracted

Family

redline

C2

91.243.32.73:7171

Attributes

auth_value
f0eaa7ad30bc41521e3d61c8504e5715

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
behavioral2/memory/1116-18-0x0000000000400000-0x0000000000422000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
1020	F1gaSebe_crypted.exe
4676	Shortfalls.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1020 set thread context of 1116	1020	F1gaSebe_crypted.exe	85

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	688851b3d020213958e978a00a32113326d2ee66a6bfc5cceb279e393da2ea86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegAsm.exe

Modifies registry class 20 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	Shortfalls.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Shortfalls.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	Shortfalls.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	Shortfalls.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	Shortfalls.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 14002e80922b16d365937a46956b92703aca08af0000	Shortfalls.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	Shortfalls.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings	Shortfalls.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	Shortfalls.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	Shortfalls.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	Shortfalls.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	Shortfalls.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	Shortfalls.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents"	Shortfalls.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Shortfalls.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	Shortfalls.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	Shortfalls.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	Shortfalls.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	Shortfalls.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	Shortfalls.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe
1116	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1116	RegAsm.exe
Token: SeDebugPrivilege	4676	Shortfalls.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4676	Shortfalls.exe
4676	Shortfalls.exe
4676	Shortfalls.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4204 wrote to memory of 1020	4204	688851b3d020213958e978a00a32113326d2ee66a6bfc5cceb279e393da2ea86.exe	83
PID 4204 wrote to memory of 1020	4204	688851b3d020213958e978a00a32113326d2ee66a6bfc5cceb279e393da2ea86.exe	83
PID 4204 wrote to memory of 4676	4204	688851b3d020213958e978a00a32113326d2ee66a6bfc5cceb279e393da2ea86.exe	84
PID 4204 wrote to memory of 4676	4204	688851b3d020213958e978a00a32113326d2ee66a6bfc5cceb279e393da2ea86.exe	84
PID 1020 wrote to memory of 1116	1020	F1gaSebe_crypted.exe	85
PID 1020 wrote to memory of 1116	1020	F1gaSebe_crypted.exe	85
PID 1020 wrote to memory of 1116	1020	F1gaSebe_crypted.exe	85
PID 1020 wrote to memory of 1116	1020	F1gaSebe_crypted.exe	85
PID 1020 wrote to memory of 1116	1020	F1gaSebe_crypted.exe	85
PID 1020 wrote to memory of 1116	1020	F1gaSebe_crypted.exe	85
PID 1020 wrote to memory of 1116	1020	F1gaSebe_crypted.exe	85
PID 1020 wrote to memory of 1116	1020	F1gaSebe_crypted.exe	85

C:\Users\Admin\AppData\Local\Temp\688851b3d020213958e978a00a32113326d2ee66a6bfc5cceb279e393da2ea86.exe
"C:\Users\Admin\AppData\Local\Temp\688851b3d020213958e978a00a32113326d2ee66a6bfc5cceb279e393da2ea86.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4204
- C:\Users\Admin\AppData\Local\Temp\F1gaSebe_crypted.exe
  C:\Users\Admin\AppData\Local\Temp\F1gaSebe_crypted.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1020
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    #cmd
    3⤵
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1116
- C:\Users\Admin\AppData\Local\Temp\Shortfalls.exe
  C:\Users\Admin\AppData\Local\Temp\Shortfalls.exe
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\F1gaSebe_crypted.exe

Filesize
807KB

MD5
5f6b473388665e4c29cf86b97acd05f0

SHA1
6cc67923b21ef5df391b211243e9bca3f47851dc

SHA256
616ceb62d1c53a9837635e51abd73b8c717a9d20b1cc882d1420a46c385d8304

SHA512
de3253a8714558da0621dbfcf72e4bceeed563785158f2830061f54d6b14b6a1eeb5d7abf349b9566ebcbb38afc4a0f8757ef94eae58e4eea578a98b4633fd66

Download Submit
C:\Users\Admin\AppData\Local\Temp\Shortfalls.exe

Filesize
3.6MB

MD5
1b8ae5c577608b9f780b3ad704679e0a

SHA1
4402007d8e5ca59fe704d543a417c77e39dce762

SHA256
039a6fd68c38bd081e9bca0181187df2653e501b5795d24ad6f895cf81c50bdf

SHA512
9cc97013331ef3d4fbce1d1656ee5a28c193a50eabbf8fd75f2f1a8c57c00d2b32f82bdb35896209e3d7e24babfed607656b6e4a11a910fa099fbc25340587b3

Download Submit
memory/1020-14-0x00007FFE30A10000-0x00007FFE314D1000-memory.dmp

Filesize
10.8MB

Download
memory/1020-5-0x00007FFE30A13000-0x00007FFE30A15000-memory.dmp

Filesize
8KB

Download
memory/1020-6-0x0000000000910000-0x00000000009DE000-memory.dmp

Filesize
824KB

Download
memory/1020-10-0x000000001B500000-0x000000001B576000-memory.dmp

Filesize
472KB

Download
memory/1020-11-0x000000001B480000-0x000000001B49E000-memory.dmp

Filesize
120KB

Download
memory/1020-20-0x00007FFE30A10000-0x00007FFE314D1000-memory.dmp

Filesize
10.8MB

Download
memory/1116-25-0x00000000056A0000-0x00000000056DC000-memory.dmp

Filesize
240KB

Download
memory/1116-22-0x0000000005220000-0x0000000005232000-memory.dmp

Filesize
72KB

Download
memory/1116-26-0x0000000006520000-0x000000000656C000-memory.dmp

Filesize
304KB

Download
memory/1116-24-0x00000000052B0000-0x0000000005316000-memory.dmp

Filesize
408KB

Download
memory/1116-18-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1116-23-0x0000000005350000-0x000000000545A000-memory.dmp

Filesize
1.0MB

Download
memory/1116-21-0x0000000005780000-0x0000000005D98000-memory.dmp

Filesize
6.1MB

Download
memory/4676-13-0x00007FFE30A10000-0x00007FFE314D1000-memory.dmp

Filesize
10.8MB

Download
memory/4676-15-0x000001A05EFF0000-0x000001A05F2DE000-memory.dmp

Filesize
2.9MB

Download
memory/4676-17-0x00007FFE30A10000-0x00007FFE314D1000-memory.dmp

Filesize
10.8MB

Download
memory/4676-12-0x000001A044770000-0x000001A044B08000-memory.dmp

Filesize
3.6MB

Download
memory/4676-16-0x000001A05EEA0000-0x000001A05EEB2000-memory.dmp

Filesize
72KB

Download
memory/4676-27-0x00007FFE30A10000-0x00007FFE314D1000-memory.dmp

Filesize
10.8MB

Download
memory/4676-28-0x000001A064720000-0x000001A064A02000-memory.dmp

Filesize
2.9MB

Download
memory/4676-29-0x000001A064B50000-0x000001A064D56000-memory.dmp

Filesize
2.0MB

Download
memory/4676-30-0x000001A064A20000-0x000001A064A32000-memory.dmp

Filesize
72KB

Download
memory/4676-31-0x000001A0655C0000-0x000001A065A8C000-memory.dmp

Filesize
4.8MB

Download
memory/4676-33-0x00007FFE30A10000-0x00007FFE314D1000-memory.dmp

Filesize
10.8MB

Download

Analysis

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