darkcomet | 59eabcad537afb793e344323dd91bcbd6f3c5eb309bf22c3569ce14d941bfdf2

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 19:04

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General

Target

59eabcad537afb793e344323dd91bcbd6f3c5eb309bf22c3569ce14d941bfdf2.exe
Size

574KB
MD5

950e0e364494206f8bb44d0d7a526c64
SHA1

b05f91dc069a2c584228e2dbc14eca545f57a7b0
SHA256

59eabcad537afb793e344323dd91bcbd6f3c5eb309bf22c3569ce14d941bfdf2
SHA512

90872c08e87fe21be19269551c9ba83ad5be6b5392d8439f1b37a46ee646ef5102c6b8158e044b7ad96875d1b07cfa3132e969a17cf1fbc4c4ac0e1529d1a703
SSDEEP

12288:zCyEHAWAdljmJqkC3xMX85FSR2f9A08NIX+Vjwd4G/3z1ET4m3Hdsubp:zFhWAfn22m0eD1GPz8Hdxt

Score

10^/10

darkcomet discovery persistence rat trojan upx

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

Checks BIOS information in registry 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	Soundcrd.exe

Executes dropped EXE 3 IoCs

pid	Process
2604	Soundcrd.exe
2068	Soundcrd.exe
648	Soundcrd.exe

Loads dropped DLL 7 IoCs

pid	Process
1804	59eabcad537afb793e344323dd91bcbd6f3c5eb309bf22c3569ce14d941bfdf2.exe
1804	59eabcad537afb793e344323dd91bcbd6f3c5eb309bf22c3569ce14d941bfdf2.exe
1804	59eabcad537afb793e344323dd91bcbd6f3c5eb309bf22c3569ce14d941bfdf2.exe
1804	59eabcad537afb793e344323dd91bcbd6f3c5eb309bf22c3569ce14d941bfdf2.exe
1804	59eabcad537afb793e344323dd91bcbd6f3c5eb309bf22c3569ce14d941bfdf2.exe
2604	Soundcrd.exe
2604	Soundcrd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\Mcrosoftt = "C:\\Users\\Admin\\AppData\\Roaming\\Soundcrd.exe"	reg.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2604 set thread context of 2068	2604	Soundcrd.exe	35
PID 2604 set thread context of 648	2604	Soundcrd.exe	36

UPX packed file 19 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2068-54-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2068-68-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2068-65-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2068-63-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/648-62-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/648-61-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/648-58-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2068-57-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2068-70-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2068-69-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/648-73-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2068-72-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2604-74-0x0000000002B30000-0x0000000002F1A000-memory.dmp	upx
behavioral1/memory/2068-75-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2068-79-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2068-83-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2068-87-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2068-91-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2068-95-0x0000000000400000-0x00000000004B5000-memory.dmp	upx

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 6 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	Soundcrd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Soundcrd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	59eabcad537afb793e344323dd91bcbd6f3c5eb309bf22c3569ce14d941bfdf2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Soundcrd.exe

Checks processor information in registry 2 TTPs 4 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	Soundcrd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Soundcrd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Soundcrd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	Soundcrd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	Soundcrd.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	648	Soundcrd.exe
Token: SeIncreaseQuotaPrivilege	2068	Soundcrd.exe
Token: SeSecurityPrivilege	2068	Soundcrd.exe
Token: SeTakeOwnershipPrivilege	2068	Soundcrd.exe
Token: SeLoadDriverPrivilege	2068	Soundcrd.exe
Token: SeSystemProfilePrivilege	2068	Soundcrd.exe
Token: SeSystemtimePrivilege	2068	Soundcrd.exe
Token: SeProfSingleProcessPrivilege	2068	Soundcrd.exe
Token: SeIncBasePriorityPrivilege	2068	Soundcrd.exe
Token: SeCreatePagefilePrivilege	2068	Soundcrd.exe
Token: SeBackupPrivilege	2068	Soundcrd.exe
Token: SeRestorePrivilege	2068	Soundcrd.exe
Token: SeShutdownPrivilege	2068	Soundcrd.exe
Token: SeDebugPrivilege	2068	Soundcrd.exe
Token: SeSystemEnvironmentPrivilege	2068	Soundcrd.exe
Token: SeChangeNotifyPrivilege	2068	Soundcrd.exe
Token: SeRemoteShutdownPrivilege	2068	Soundcrd.exe
Token: SeUndockPrivilege	2068	Soundcrd.exe
Token: SeManageVolumePrivilege	2068	Soundcrd.exe
Token: SeImpersonatePrivilege	2068	Soundcrd.exe
Token: SeCreateGlobalPrivilege	2068	Soundcrd.exe
Token: 33	2068	Soundcrd.exe
Token: 34	2068	Soundcrd.exe
Token: 35	2068	Soundcrd.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1804	59eabcad537afb793e344323dd91bcbd6f3c5eb309bf22c3569ce14d941bfdf2.exe
2604	Soundcrd.exe
648	Soundcrd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 2584	1804	59eabcad537afb793e344323dd91bcbd6f3c5eb309bf22c3569ce14d941bfdf2.exe	31
PID 1804 wrote to memory of 2584	1804	59eabcad537afb793e344323dd91bcbd6f3c5eb309bf22c3569ce14d941bfdf2.exe	31
PID 1804 wrote to memory of 2584	1804	59eabcad537afb793e344323dd91bcbd6f3c5eb309bf22c3569ce14d941bfdf2.exe	31
PID 1804 wrote to memory of 2584	1804	59eabcad537afb793e344323dd91bcbd6f3c5eb309bf22c3569ce14d941bfdf2.exe	31
PID 2584 wrote to memory of 2784	2584	cmd.exe	33
PID 2584 wrote to memory of 2784	2584	cmd.exe	33
PID 2584 wrote to memory of 2784	2584	cmd.exe	33
PID 2584 wrote to memory of 2784	2584	cmd.exe	33
PID 1804 wrote to memory of 2604	1804	59eabcad537afb793e344323dd91bcbd6f3c5eb309bf22c3569ce14d941bfdf2.exe	34
PID 1804 wrote to memory of 2604	1804	59eabcad537afb793e344323dd91bcbd6f3c5eb309bf22c3569ce14d941bfdf2.exe	34
PID 1804 wrote to memory of 2604	1804	59eabcad537afb793e344323dd91bcbd6f3c5eb309bf22c3569ce14d941bfdf2.exe	34
PID 1804 wrote to memory of 2604	1804	59eabcad537afb793e344323dd91bcbd6f3c5eb309bf22c3569ce14d941bfdf2.exe	34
PID 2604 wrote to memory of 2068	2604	Soundcrd.exe	35
PID 2604 wrote to memory of 2068	2604	Soundcrd.exe	35
PID 2604 wrote to memory of 2068	2604	Soundcrd.exe	35
PID 2604 wrote to memory of 2068	2604	Soundcrd.exe	35
PID 2604 wrote to memory of 2068	2604	Soundcrd.exe	35
PID 2604 wrote to memory of 2068	2604	Soundcrd.exe	35
PID 2604 wrote to memory of 2068	2604	Soundcrd.exe	35
PID 2604 wrote to memory of 2068	2604	Soundcrd.exe	35
PID 2604 wrote to memory of 2068	2604	Soundcrd.exe	35
PID 2604 wrote to memory of 648	2604	Soundcrd.exe	36
PID 2604 wrote to memory of 648	2604	Soundcrd.exe	36
PID 2604 wrote to memory of 648	2604	Soundcrd.exe	36
PID 2604 wrote to memory of 648	2604	Soundcrd.exe	36
PID 2604 wrote to memory of 648	2604	Soundcrd.exe	36
PID 2604 wrote to memory of 648	2604	Soundcrd.exe	36
PID 2604 wrote to memory of 648	2604	Soundcrd.exe	36
PID 2604 wrote to memory of 648	2604	Soundcrd.exe	36
PID 2604 wrote to memory of 648	2604	Soundcrd.exe	36

C:\Users\Admin\AppData\Local\Temp\59eabcad537afb793e344323dd91bcbd6f3c5eb309bf22c3569ce14d941bfdf2.exe
"C:\Users\Admin\AppData\Local\Temp\59eabcad537afb793e344323dd91bcbd6f3c5eb309bf22c3569ce14d941bfdf2.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\ivMek.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2584
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Mcrosoftt" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Soundcrd.exe" /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:2784
- C:\Users\Admin\AppData\Roaming\Soundcrd.exe
  "C:\Users\Admin\AppData\Roaming\Soundcrd.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2604
- - C:\Users\Admin\AppData\Roaming\Soundcrd.exe
    C:\Users\Admin\AppData\Roaming\Soundcrd.exe
    3⤵
    - Checks BIOS information in registry
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:2068
- - C:\Users\Admin\AppData\Roaming\Soundcrd.exe
    C:\Users\Admin\AppData\Roaming\Soundcrd.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\ivMek.bat

Filesize
139B

MD5
173bcce4810d4901872d0ef4f0bfea4e

SHA1
561b03fdfe68b6419fddf57f32e1aab9a6126a2f

SHA256
10ea37eceabbe80fe9814280b66b957636951dbeeed18a9b4d50a1d24a6f1d1d

SHA512
2401e0a5e3f7bf590a0767449da2249d09717e8c1cb71a7475e81d9615580001cfc38705cd1a5b4edc33f7df043bf195e28e4a5442a32bc879dffc6473bd545e

Download Submit
\Users\Admin\AppData\Roaming\Soundcrd.exe

Filesize
574KB

MD5
eb3ee3ca74382746f1ba1d80581b7d6d

SHA1
2710019662fa8db742f57b44988395abaf96dd1b

SHA256
4e52d6f702ef2d2bee4112cb9abde5c7221c000ad506af42646733a4529d23e3

SHA512
f2a0f7afcf5609f1a46a695c63558ab67d53a927fd329dd5a080ddfec1c858b7e1b09768ea163e1d60b8c980e30e4728a5a056e61bb897fb5a0897c7ea9dfdfc

Download Submit
memory/648-62-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/648-73-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/648-58-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/648-61-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1804-48-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download
memory/1804-44-0x0000000003C30000-0x000000000401A000-memory.dmp

Filesize
3.9MB

Download
memory/1804-47-0x0000000003C30000-0x000000000401A000-memory.dmp

Filesize
3.9MB

Download
memory/1804-42-0x0000000003C30000-0x000000000401A000-memory.dmp

Filesize
3.9MB

Download
memory/1804-0-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download
memory/1804-45-0x0000000003C30000-0x000000000401A000-memory.dmp

Filesize
3.9MB

Download
memory/2068-57-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2068-72-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2068-95-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2068-65-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2068-68-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2068-54-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2068-70-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2068-69-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2068-91-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2068-63-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2068-87-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2068-83-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2068-75-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2068-79-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2604-74-0x0000000002B30000-0x0000000002F1A000-memory.dmp

Filesize
3.9MB

Download
memory/2604-71-0x0000000002B30000-0x0000000002F1A000-memory.dmp

Filesize
3.9MB

Download
memory/2604-64-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download
memory/2604-49-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads