redline | 0ff0729cd09df6cad3137f67a369ffcc4dccba28298399b527ec8b26438297fc

General

Target

0ff0729cd09df6cad3137f67a369ffcc4dccba28298399b527ec8b26438297fc.exe
Size

487KB
MD5

6f9d993a627db18c1811606dafaa1d0f
SHA1

c3868d3cfd0303cd98b3389f4f99e7a7e4637745
SHA256

0ff0729cd09df6cad3137f67a369ffcc4dccba28298399b527ec8b26438297fc
SHA512

ac1d5290f1690b40f640e71afd0c7f00efddcc11bbb2b46c68dc4ca6dd2fb6e6877e45610a6abcc55f7d8000b0fef4acbc6f9bb7611de96ffcfd1de5f8071cf5
SSDEEP

12288:Ihxp3lZnT9bD4h3d1yBGIxUyxy4H9KIUfNTu:IJlh9bD4hryBG+GNa

Score

10^/10

redline discovery infostealer

Malware Config

Signatures

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

RedLine payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000c000000023b6e-19.dat	family_redline
behavioral2/memory/1396-24-0x0000000000A70000-0x0000000000AB0000-memory.dmp	family_redline

Redline family
redline

Checks computer location settings 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	0ff0729cd09df6cad3137f67a369ffcc4dccba28298399b527ec8b26438297fc.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	Harold.exe

Executes dropped EXE 2 IoCs

pid	Process
2860	Harold.exe
1396	OBWH.exe

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 5 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	Harold.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OBWH.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0ff0729cd09df6cad3137f67a369ffcc4dccba28298399b527ec8b26438297fc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings	0ff0729cd09df6cad3137f67a369ffcc4dccba28298399b527ec8b26438297fc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3916 wrote to memory of 4076	3916	0ff0729cd09df6cad3137f67a369ffcc4dccba28298399b527ec8b26438297fc.exe	83
PID 3916 wrote to memory of 4076	3916	0ff0729cd09df6cad3137f67a369ffcc4dccba28298399b527ec8b26438297fc.exe	83
PID 3916 wrote to memory of 4076	3916	0ff0729cd09df6cad3137f67a369ffcc4dccba28298399b527ec8b26438297fc.exe	83
PID 4076 wrote to memory of 528	4076	WScript.exe	84
PID 4076 wrote to memory of 528	4076	WScript.exe	84
PID 4076 wrote to memory of 528	4076	WScript.exe	84
PID 528 wrote to memory of 2860	528	cmd.exe	86
PID 528 wrote to memory of 2860	528	cmd.exe	86
PID 528 wrote to memory of 2860	528	cmd.exe	86
PID 2860 wrote to memory of 1396	2860	Harold.exe	87
PID 2860 wrote to memory of 1396	2860	Harold.exe	87
PID 2860 wrote to memory of 1396	2860	Harold.exe	87

C:\Users\Admin\AppData\Local\Temp\0ff0729cd09df6cad3137f67a369ffcc4dccba28298399b527ec8b26438297fc.exe
"C:\Users\Admin\AppData\Local\Temp\0ff0729cd09df6cad3137f67a369ffcc4dccba28298399b527ec8b26438297fc.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3916
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\OBWH.vbs"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4076
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c OBWH.bat
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:528
  - - C:\Users\Admin\AppData\Roaming\Harold.exe
      Harold.exe -p"5POJ!@0JK=jf65POJ!@0JK=jf6"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2860
    - - C:\Users\Admin\AppData\Roaming\OBWH.exe
        
        "C:\Users\Admin\AppData\Roaming\OBWH.exe"
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:1396

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Harold.exe

Filesize
358KB

MD5
839ed2aba2dc9810a52586c9da5e4ef4

SHA1
41d98bc58c253ff1fd6108814ff8f7dfc89fa0b9

SHA256
c00c8dc4e32f9b2c95536f5693e646ed74e5b83519017a494d9d985d3cee6f25

SHA512
baff6509e9ff2e4ba10f389b02256a6ad58adfc75fa4c6fe61c7626c3c59106f14bca246bd0135605ed40d9d90b59f32d8f07c507b2c333283421a3684de6f86

Download Submit
C:\Users\Admin\AppData\Roaming\OBWH.bat

Filesize
84B

MD5
3d626ae8c552df11ee91e052aeba3ca1

SHA1
66dca5c00f1f65c0321b1da5adf00007911ff1a7

SHA256
e40e1306e04aa54ba30eec6d89d7bbb035b5c27e577fcd07ae6a19edf38f2c14

SHA512
2530d71aa120ff1971c61cc9fdcf089ece945ff4b84adb44168b9582be69fd3dbb4aacb1f42e4b7c8cd99e61f82e9858db6ffede902892f132e76d6d8b995b7e

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

Filesize
243KB

MD5
931bbe247f09588ad9bb8bee51a4e9ae

SHA1
492c8fbf06b266968411a655ad38cf12f5af5970

SHA256
beca6f0631cfc692f80825083b2e1428b3a76164ff26bccf5b495f99ba083877

SHA512
fd677aa16ab6fb5cae42eeef698fc387e18191caaf4bb1458e746d776aa57c9e7ec78d106e0ee1d1cca8e2aa2d068cb93a11931cbb80a604e8aa67f1e8f4b2c7

Download Submit
C:\Users\Admin\AppData\Roaming\OBWH.vbs

Filesize
258B

MD5
9a7cb355df15c81dce0da9c4d80153c3

SHA1
fa751fc895955de261043b04310a61e2956dfb59

SHA256
e3d957c613e6fa315c6436ac59ca471841aff54a999e8baf7004e36506edaa43

SHA512
59470eda05cf5712aea9095f1ec520e6ce36dced9c7c37d0c02a5aa35d4f1cde87f333722384936c700dbda6ef1e3a86975c9164ef9e1a9f8357acd2c899cc0d

Download Submit
memory/1396-24-0x0000000000A70000-0x0000000000AB0000-memory.dmp

Filesize
256KB

Download
memory/1396-25-0x0000000002E70000-0x0000000002E76000-memory.dmp

Filesize
24KB

Download
memory/1396-26-0x0000000005B70000-0x0000000006188000-memory.dmp

Filesize
6.1MB

Download
memory/1396-27-0x0000000005470000-0x0000000005482000-memory.dmp

Filesize
72KB

Download
memory/1396-28-0x0000000005660000-0x000000000576A000-memory.dmp

Filesize
1.0MB

Download
memory/1396-29-0x00000000054D0000-0x000000000550C000-memory.dmp

Filesize
240KB

Download
memory/1396-30-0x0000000005550000-0x000000000559C000-memory.dmp

Filesize
304KB

Download

Analysis

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