lumma | 0b7ff4e3e09fb5b7c6ecd2148b7576b0e2d157d68c4c770b881176c84e4193e0

General

Target

3xLnch3r.exe
Size

58.4MB
MD5

e7974241b68c6eb9aeff129cdca850aa
SHA1

68953589d7bb0c854e69ef0fcbfc73b5dcbfc38d
SHA256

0b7ff4e3e09fb5b7c6ecd2148b7576b0e2d157d68c4c770b881176c84e4193e0
SHA512

cbb0c0475f593e446f8a192e42dd6e786fbf6027e2e4a8151dbbff4908453c3601d9e38b59bc1c583f5c3b702486ae8db55beeac17fb59b21a24da8dbef29b51
SSDEEP

196608:aB3P97yszk7aaDnp9xLjK6KONQW0sDYC55RDaXkGbiKAe:UP97HkOQxXpNQwz2

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

C2

https://windpull.cyou/api

Signatures

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Lumma family
lumma
Blocklisted process makes network request 7 IoCs

Processes:

msiexec.exe

flow pid process

3 2636 msiexec.exe
7 2636 msiexec.exe
9 2636 msiexec.exe
13 2636 msiexec.exe
17 2636 msiexec.exe
19 2636 msiexec.exe
21 2636 msiexec.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

3xLnch3r.exe

description pid process target process

PID 2772 set thread context of 2980 2772 3xLnch3r.exe more.com

flow	pid	process
3	2636	msiexec.exe
7	2636	msiexec.exe
9	2636	msiexec.exe
13	2636	msiexec.exe
17	2636	msiexec.exe
19	2636	msiexec.exe
21	2636	msiexec.exe

description	pid	process	target process
PID 2772 set thread context of 2980	2772	3xLnch3r.exe	more.com

System Location Discovery: System Language Discovery 1 TTPs 3 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

Processes:

more.commsiexec.exe3xLnch3r.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	more.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3xLnch3r.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

3xLnch3r.exemore.com

pid process

2772 3xLnch3r.exe
2772 3xLnch3r.exe
2980 more.com
2980 more.com
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

3xLnch3r.exemore.com

pid process

2772 3xLnch3r.exe
2980 more.com

pid	process
2772	3xLnch3r.exe
2772	3xLnch3r.exe
2980	more.com
2980	more.com

pid	process
2772	3xLnch3r.exe
2980	more.com

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

3xLnch3r.exemore.com

description	pid	process	target process
PID 2772 wrote to memory of 2980	2772	3xLnch3r.exe	more.com
PID 2772 wrote to memory of 2980	2772	3xLnch3r.exe	more.com
PID 2772 wrote to memory of 2980	2772	3xLnch3r.exe	more.com
PID 2772 wrote to memory of 2980	2772	3xLnch3r.exe	more.com
PID 2772 wrote to memory of 2980	2772	3xLnch3r.exe	more.com
PID 2980 wrote to memory of 2636	2980	more.com	msiexec.exe
PID 2980 wrote to memory of 2636	2980	more.com	msiexec.exe
PID 2980 wrote to memory of 2636	2980	more.com	msiexec.exe
PID 2980 wrote to memory of 2636	2980	more.com	msiexec.exe
PID 2980 wrote to memory of 2636	2980	more.com	msiexec.exe
PID 2980 wrote to memory of 2636	2980	more.com	msiexec.exe
PID 2980 wrote to memory of 2636	2980	more.com	msiexec.exe
PID 2980 wrote to memory of 2636	2980	more.com	msiexec.exe
PID 2980 wrote to memory of 2636	2980	more.com	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\3xLnch3r.exe
"C:\Users\Admin\AppData\Local\Temp\3xLnch3r.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2772
- C:\Windows\SysWOW64\more.com
  C:\Windows\SysWOW64\more.com
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2980
- - C:\Windows\SysWOW64\msiexec.exe
    C:\Windows\SysWOW64\msiexec.exe
    3⤵
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    PID:2636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\Local\Temp\279d978c

Filesize
1.2MB

MD5
61f7c81f79021fd9a002183764df0c28

SHA1
5053039426b273b9d14a2e5c00f6264978e5f94d

SHA256
51bfd4639e6b5634e35da8af3a149d885eee76026a828aabffb384ab824e75ad

SHA512
c3d09db71d6a1f55368f65e972e7fe45bb416ed6baef6e47e01ba025995da50b334e3eac9379bf0eeb00002fffc815ba8fe3f8afb396da80ede2b1674923cd29

Download Submit
C:\Users\Admin\AppData\Local\Temp\27ed98f0

Filesize
1022KB

MD5
094dd0294398d72ac3b7a4fc64e99105

SHA1
54cb19d46c573847ab1cb4d7edb9a611b34a488a

SHA256
869ce82030d9d1473a679a39be90357c57b7e7de42208a78e4046fe224e5ee26

SHA512
674fce405883f79a5008b3bb79ff07282a97a1516c909098a88c23e0b64392bf117c3171b24d09b65e9670083a82a97aa57ed33a139f20047e64e937aa80cb45

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab44EE.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar453F.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2636-38-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2636-37-0x0000000076E60000-0x0000000077009000-memory.dmp

Filesize
1.7MB

Download
memory/2636-36-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2636-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2772-21-0x0000000076E60000-0x0000000077009000-memory.dmp

Filesize
1.7MB

Download
memory/2772-25-0x0000000073DF0000-0x0000000073F64000-memory.dmp

Filesize
1.5MB

Download
memory/2772-9-0x0000000002710000-0x0000000002850000-memory.dmp

Filesize
1.2MB

Download
memory/2772-8-0x0000000002710000-0x0000000002850000-memory.dmp

Filesize
1.2MB

Download
memory/2772-6-0x0000000002710000-0x0000000002850000-memory.dmp

Filesize
1.2MB

Download
memory/2772-14-0x0000000000400000-0x0000000000CEB000-memory.dmp

Filesize
8.9MB

Download
memory/2772-13-0x0000000002710000-0x0000000002850000-memory.dmp

Filesize
1.2MB

Download
memory/2772-20-0x0000000073DF0000-0x0000000073F64000-memory.dmp

Filesize
1.5MB

Download
memory/2772-0-0x0000000002710000-0x0000000002850000-memory.dmp

Filesize
1.2MB

Download
memory/2772-22-0x0000000073E03000-0x0000000073E05000-memory.dmp

Filesize
8KB

Download
memory/2772-23-0x0000000073DF0000-0x0000000073F64000-memory.dmp

Filesize
1.5MB

Download
memory/2772-10-0x0000000002710000-0x0000000002850000-memory.dmp

Filesize
1.2MB

Download
memory/2772-7-0x0000000002710000-0x0000000002850000-memory.dmp

Filesize
1.2MB

Download
memory/2772-5-0x0000000002710000-0x0000000002850000-memory.dmp

Filesize
1.2MB

Download
memory/2772-4-0x0000000002710000-0x0000000002850000-memory.dmp

Filesize
1.2MB

Download
memory/2772-3-0x0000000002710000-0x0000000002850000-memory.dmp

Filesize
1.2MB

Download
memory/2772-2-0x0000000002710000-0x0000000002850000-memory.dmp

Filesize
1.2MB

Download
memory/2772-1-0x0000000002710000-0x0000000002850000-memory.dmp

Filesize
1.2MB

Download
memory/2772-11-0x0000000002710000-0x0000000002850000-memory.dmp

Filesize
1.2MB

Download
memory/2980-34-0x0000000073DF0000-0x0000000073F64000-memory.dmp

Filesize
1.5MB

Download
memory/2980-32-0x0000000073DF0000-0x0000000073F64000-memory.dmp

Filesize
1.5MB

Download
memory/2980-31-0x0000000073DF0000-0x0000000073F64000-memory.dmp

Filesize
1.5MB

Download
memory/2980-30-0x0000000076E60000-0x0000000077009000-memory.dmp

Filesize
1.7MB

Download
memory/2980-29-0x0000000073DF0000-0x0000000073F64000-memory.dmp

Filesize
1.5MB

Download

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