lumma | 623897df28c316d90bb0946128ee6a4a9fe9776307787f1de12c3b078b338778

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 05:30

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General

Target

623897df28c316d90bb0946128ee6a4a9fe9776307787f1de12c3b078b338778.exe
Size

1.9MB
MD5

ef949464dd8dc945ca3d997d2a1f5d49
SHA1

c68400fb4f02c0cd9ee27760931fefe7a1d3764e
SHA256

623897df28c316d90bb0946128ee6a4a9fe9776307787f1de12c3b078b338778
SHA512

781e0765988976ebea95e479032b2d072d1aec59f692f1ed0d04c773af567d69e4e53e110153c0e9f8fe566747bcb090ba38a3656eddaca25a0c310a3456da11
SSDEEP

49152:+pz3IaXn7fXnAXD0TVbTGkJWCI16GwE9NPPV:+pTXn7PAYx7QCwwEHV

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

Signatures

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Lumma family
lumma

Executes dropped EXE 2 IoCs

pid	Process
2212	vmhost.exe
2788	vmhost.exe

Loads dropped DLL 12 IoCs

pid	Process
2676	623897df28c316d90bb0946128ee6a4a9fe9776307787f1de12c3b078b338778.exe
2212	vmhost.exe
2212	vmhost.exe
2212	vmhost.exe
2212	vmhost.exe
2212	vmhost.exe
2212	vmhost.exe
2788	vmhost.exe
2788	vmhost.exe
2788	vmhost.exe
2788	vmhost.exe
2788	vmhost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2788 set thread context of 2708	2788	vmhost.exe	32

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	623897df28c316d90bb0946128ee6a4a9fe9776307787f1de12c3b078b338778.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vmhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vmhost.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2212	vmhost.exe
2788	vmhost.exe
2788	vmhost.exe
2708	cmd.exe
2708	cmd.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2788	vmhost.exe
2708	cmd.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2212	2676	623897df28c316d90bb0946128ee6a4a9fe9776307787f1de12c3b078b338778.exe	30
PID 2676 wrote to memory of 2212	2676	623897df28c316d90bb0946128ee6a4a9fe9776307787f1de12c3b078b338778.exe	30
PID 2676 wrote to memory of 2212	2676	623897df28c316d90bb0946128ee6a4a9fe9776307787f1de12c3b078b338778.exe	30
PID 2676 wrote to memory of 2212	2676	623897df28c316d90bb0946128ee6a4a9fe9776307787f1de12c3b078b338778.exe	30
PID 2212 wrote to memory of 2788	2212	vmhost.exe	31
PID 2212 wrote to memory of 2788	2212	vmhost.exe	31
PID 2212 wrote to memory of 2788	2212	vmhost.exe	31
PID 2212 wrote to memory of 2788	2212	vmhost.exe	31
PID 2788 wrote to memory of 2708	2788	vmhost.exe	32
PID 2788 wrote to memory of 2708	2788	vmhost.exe	32
PID 2788 wrote to memory of 2708	2788	vmhost.exe	32
PID 2788 wrote to memory of 2708	2788	vmhost.exe	32
PID 2788 wrote to memory of 2708	2788	vmhost.exe	32
PID 2708 wrote to memory of 2896	2708	cmd.exe	35
PID 2708 wrote to memory of 2896	2708	cmd.exe	35
PID 2708 wrote to memory of 2896	2708	cmd.exe	35
PID 2708 wrote to memory of 2896	2708	cmd.exe	35
PID 2708 wrote to memory of 2896	2708	cmd.exe	35
PID 2708 wrote to memory of 2896	2708	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\623897df28c316d90bb0946128ee6a4a9fe9776307787f1de12c3b078b338778.exe
"C:\Users\Admin\AppData\Local\Temp\623897df28c316d90bb0946128ee6a4a9fe9776307787f1de12c3b078b338778.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Users\Admin\AppData\Local\Temp\vmhost.exe
  "C:\Users\Admin\AppData\Local\Temp\vmhost.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2212
- - C:\Users\Admin\AppData\Roaming\Signconfig_v2\vmhost.exe
    C:\Users\Admin\AppData\Roaming\Signconfig_v2\vmhost.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2788
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\SysWOW64\cmd.exe
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of WriteProcessMemory
      PID:2708
    - - C:\Windows\SysWOW64\explorer.exe
        
        C:\Windows\SysWOW64\explorer.exe
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\646a59d6

Filesize
1023KB

MD5
7f987323249d0ee0dbf5d67883482ec1

SHA1
ad6acbcecccfd90474abb9775e7be77aeaa030e7

SHA256
7dde714630ea2aed576636e1eb0ec0f5babcd11b96ed898c714e725fe5efaebd

SHA512
b144fa46f33162f9047a1f8126817b9b8d316a859472df2451ffdb65bff330624e4959ddff34255822bd64e3098de717fb00dbe7b153df6f8761148cce71331b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab6FD5.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar6FF7.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\carcinogen.vhd

Filesize
46KB

MD5
76c9fbe132f5201921277a48b50cb4fb

SHA1
702b8ed137bdc8504e04badd36e6ad49db060132

SHA256
8bf0e15ab214313e35d3971ad736758d2f44bf68f758670ae5e6bf755a011568

SHA512
2db057415e2e2f864be3b14883a51f876eac10d60e6c4bb50a96faf9bec143610e1dd50a42753ef37222df92d0252b8b6057b7c5e566a99782f04739bd1d7b8b

Download Submit
C:\Users\Admin\AppData\Local\Temp\glib-2.0.dll

Filesize
1.0MB

MD5
1170e6f21225a2182942042074efd5aa

SHA1
dabeb2af2dfeda137fcb82d48e2c4915b9d0f452

SHA256
8394a39d0234dbc6eb765378691865d3146150a994d9c8f7b4a495d861e11f19

SHA512
8e57cc90ab8a9c4b6bac6d77660d8f31fa12ae23fe2bb91cfd3765368574c98b886f4a554910a4c7e41ad846f3a394e7baa79715a5b614baf88e10ae76bb076c

Download Submit
C:\Users\Admin\AppData\Local\Temp\iconv.dll

Filesize
1.1MB

MD5
862dfc9bf209a46d6f4874614a6631cc

SHA1
43216aae64df217cba009145b6f9ad5b97fe927a

SHA256
84538f1aacebf9daad9fdb856611ab3d98a6d71c9ec79a8250eee694d2652a8b

SHA512
b0611cd9ad441871cca62291913197257660390fa4ea8a26cb41dc343a8a27ae111762de40c6f50cae3e365d8891500fc6ad0571aa3cd3a77eb83d9d488d19a8

Download Submit
C:\Users\Admin\AppData\Local\Temp\intl.dll

Filesize
87KB

MD5
d1a21e38593fddba8e51ed6bf7acf404

SHA1
759f16325f0920933ac977909b7fe261e0e129e6

SHA256
6a64c9cb0904ed48ce0d5cda137fcfd6dd463d84681436ca647b195aa2038a7e

SHA512
3f4390603cd68d949eb938c1599503fb1cbb1b8250638e0985fad2f40f08d5e45ea4a8c149e44a50c6aa9077054387c48f71b53bf06b713ca1e73a3d5a6a6c2e

Download Submit
C:\Users\Admin\AppData\Local\Temp\nineteen.rpm

Filesize
783KB

MD5
710f1fe566827ca4abff9060d3fbc969

SHA1
cd25136ab3c9f16c0d502c4e0d02b7d749708ce3

SHA256
fe44bbd482a270808f7d2d25d26ab891c79ed1a0cd1bbfca0620b351e324d74b

SHA512
1e4e31d554f31ae8581a897f81ba4be4076ae336af7af79de63ac8756478756fca92a0ec5bbcb494b00d0e772bbbe6d83d7f20aad5f1fca5fb0b2bbd826b235f

Download Submit
C:\Users\Admin\AppData\Local\Temp\vmtools.dll

Filesize
617KB

MD5
65c3c2a741838474a592679cda346753

SHA1
043d80766dd4e49d8dca6ac72b04e09b5491fdc9

SHA256
4e5f2c54d9ecfe48999edfcce0de038948f8b20ff68e299c55d9a2d6f65713e8

SHA512
e5d8b308586ffa914f46b6766217eb12ad759853d25108db06170b870d0e8947e2befabc2843f76cb864b0f0135a8f2163b7c93fe644b293789919d1d07c4079

Download Submit
\Users\Admin\AppData\Local\Temp\hgfs.dll

Filesize
89KB

MD5
87c333cde9cd60e42abe42d588f15ab4

SHA1
23f800dfd6676e8258a5667cb510e7fa1abea137

SHA256
ce4f43fd49011c402a52c5472a1eca574edfa6c2982da8a0e7d54e57d62d9323

SHA512
d3e59ff737b7f408a00e53bc368a1bc878a623a4ec949729307aa9c5fccf993568972188f7d9c069476b95833a38f42f87d500cf17dc710088d108fe68252fd5

Download Submit
\Users\Admin\AppData\Local\Temp\vmhost.exe

Filesize
77KB

MD5
659dbfb6cad2836899bcb2c17cc5411a

SHA1
f2e070ae58d9938abc88003a7e60dc5a4b33da56

SHA256
132e2aaf6ba22738d79a027f967b865154f427eb5aa9c623dd4a2e9c0656e279

SHA512
1625917a16e434451d468c851e8310e0c683edc08f434369e047a47868b14d80930181ab4cd101e287174b8442449336f27369403a929b7c33fbee3cae7b5ed6

Download Submit
memory/2212-35-0x00000000741C0000-0x0000000074334000-memory.dmp

Filesize
1.5MB

Download
memory/2212-36-0x00000000770D0000-0x0000000077279000-memory.dmp

Filesize
1.7MB

Download
memory/2212-29-0x00000000004F0000-0x0000000000604000-memory.dmp

Filesize
1.1MB

Download
memory/2708-71-0x00000000770D0000-0x0000000077279000-memory.dmp

Filesize
1.7MB

Download
memory/2708-72-0x0000000074340000-0x00000000744B4000-memory.dmp

Filesize
1.5MB

Download
memory/2788-64-0x0000000074340000-0x00000000744B4000-memory.dmp

Filesize
1.5MB

Download
memory/2788-68-0x0000000074340000-0x00000000744B4000-memory.dmp

Filesize
1.5MB

Download
memory/2788-66-0x0000000074353000-0x0000000074355000-memory.dmp

Filesize
8KB

Download
memory/2788-67-0x0000000074340000-0x00000000744B4000-memory.dmp

Filesize
1.5MB

Download
memory/2788-65-0x00000000770D0000-0x0000000077279000-memory.dmp

Filesize
1.7MB

Download
memory/2788-58-0x0000000000330000-0x0000000000444000-memory.dmp

Filesize
1.1MB

Download
memory/2896-74-0x00000000770D0000-0x0000000077279000-memory.dmp

Filesize
1.7MB

Download
memory/2896-75-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2896-76-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2896-77-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download