lumma | 42f6ed3f3f25e52787a9e43dec53306eb63e581d87882f3fbc4756685714e39a

Resubmissions

07/01/2024, 18:26

240107-w3ameabffn 10

Analysis

max time kernel
128s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 18:26

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General

Target

Samples 6/c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e.exe
Size

4.5MB
MD5

d165d4e09ea0624e62fd5bd90fe68c96
SHA1

9a95939bdfface20125f497c54eda3f3d421e790
SHA256

c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e
SHA512

95d2d8ef66c8d5203398048279f1bb250faccf362359e51e364974ea00d88aceec9d9883a47176b9dc2ba1dd1a81232f4318a61b7b14aa643394873c4cce6ec1
SSDEEP

98304:LhX2dkgF2fKzz5du5XdYQokRicv/f6qzT0rh:LhX2dZF275XdZYcvHvvch

Score

10^/10

lumma zgrat rat stealer

Malware Config

Extracted

Family

lumma

http://zamesblack.fun/api

Signatures

Detect Lumma Stealer payload V4 4 IoCs

resource	yara_rule
behavioral4/memory/1352-25-0x0000000000400000-0x0000000000486000-memory.dmp	family_lumma_v4
behavioral4/memory/1352-27-0x0000000000400000-0x0000000000486000-memory.dmp	family_lumma_v4
behavioral4/memory/1352-28-0x0000000000400000-0x0000000000486000-memory.dmp	family_lumma_v4
behavioral4/memory/1352-31-0x0000000000400000-0x0000000000486000-memory.dmp	family_lumma_v4

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral4/memory/3240-1-0x00000000009F0000-0x0000000000E66000-memory.dmp	family_zgrat_v1

Lumma Stealer
An infostealer written in C++ first seen in August 2022.
stealer lumma
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Loads dropped DLL 1 IoCs

pid	Process
3240	c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3240 set thread context of 1352	3240	c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e.exe	96

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3240 wrote to memory of 4664	3240	c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e.exe	95
PID 3240 wrote to memory of 4664	3240	c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e.exe	95
PID 3240 wrote to memory of 4664	3240	c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e.exe	95
PID 3240 wrote to memory of 4088	3240	c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e.exe	97
PID 3240 wrote to memory of 4088	3240	c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e.exe	97
PID 3240 wrote to memory of 4088	3240	c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e.exe	97
PID 3240 wrote to memory of 1352	3240	c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e.exe	96
PID 3240 wrote to memory of 1352	3240	c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e.exe	96
PID 3240 wrote to memory of 1352	3240	c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e.exe	96
PID 3240 wrote to memory of 1352	3240	c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e.exe	96
PID 3240 wrote to memory of 1352	3240	c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e.exe	96
PID 3240 wrote to memory of 1352	3240	c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e.exe	96
PID 3240 wrote to memory of 1352	3240	c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e.exe	96
PID 3240 wrote to memory of 1352	3240	c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e.exe	96
PID 3240 wrote to memory of 1352	3240	c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e.exe	96

C:\Users\Admin\AppData\Local\Temp\Samples 6\c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e.exe
"C:\Users\Admin\AppData\Local\Temp\Samples 6\c6befd3879040aeca88afd9b461177c9a3fc830f2020f2878696ddca0cea994e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3240
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  2⤵
  PID:4664
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  2⤵
  PID:1352
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  2⤵
  PID:4088

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Protect544cd51a.dll

Filesize
414KB

MD5
1aea4321184d02c97b360d9fc6de4c1b

SHA1
588f4d55aadd7e7316447b5d2ddc357f2ecb2a6a

SHA256
49764b9e248dcd93c9846ad77455b17a699f6554d492f8fc1218830f43712a7b

SHA512
492538dde7d1085e1705d21ee40369e0a522465fee21deb5b35f0ff9ec1b7768e1c9e582aca9e04e28918091f9acaf78677d0eb16273c43656495b6a718cb4ec

Download Submit
memory/1352-31-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1352-28-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1352-27-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1352-25-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/3240-6-0x0000000005A60000-0x0000000005A6A000-memory.dmp

Filesize
40KB

Download
memory/3240-22-0x0000000005AA0000-0x0000000005AB0000-memory.dmp

Filesize
64KB

Download
memory/3240-7-0x0000000005C60000-0x0000000005C7A000-memory.dmp

Filesize
104KB

Download
memory/3240-8-0x0000000006320000-0x00000000064B2000-memory.dmp

Filesize
1.6MB

Download
memory/3240-9-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/3240-5-0x0000000005AA0000-0x0000000005AB0000-memory.dmp

Filesize
64KB

Download
memory/3240-18-0x0000000005AA0000-0x0000000005AB0000-memory.dmp

Filesize
64KB

Download
memory/3240-19-0x0000000006970000-0x0000000006980000-memory.dmp

Filesize
64KB

Download
memory/3240-17-0x0000000005AA0000-0x0000000005AB0000-memory.dmp

Filesize
64KB

Download
memory/3240-16-0x0000000005AA0000-0x0000000005AB0000-memory.dmp

Filesize
64KB

Download
memory/3240-15-0x0000000005AA0000-0x0000000005AB0000-memory.dmp

Filesize
64KB

Download
memory/3240-0-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download
memory/3240-21-0x0000000005AA0000-0x0000000005AB0000-memory.dmp

Filesize
64KB

Download
memory/3240-4-0x0000000005AB0000-0x0000000005B4C000-memory.dmp

Filesize
624KB

Download
memory/3240-24-0x0000000006B50000-0x0000000006C50000-memory.dmp

Filesize
1024KB

Download
memory/3240-3-0x0000000005870000-0x0000000005902000-memory.dmp

Filesize
584KB

Download
memory/3240-23-0x0000000006B50000-0x0000000006C50000-memory.dmp

Filesize
1024KB

Download
memory/3240-20-0x0000000006B50000-0x0000000006C50000-memory.dmp

Filesize
1024KB

Download
memory/3240-2-0x0000000005D40000-0x00000000062E4000-memory.dmp

Filesize
5.6MB

Download
memory/3240-1-0x00000000009F0000-0x0000000000E66000-memory.dmp

Filesize
4.5MB

Download
memory/3240-30-0x0000000074DA0000-0x0000000075550000-memory.dmp

Filesize
7.7MB

Download