darkcomet | 1d82eb685802be249d22545fef8ac55cd79ff5469d0e92162260aeab6847bf15

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
09-07-2024 02:54

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General

Target

2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe
Size

657KB
MD5

2ec0ba70a24a523cee42f7cfa3fde093
SHA1

efc6ed6afa39c48701aaad915c7247800c2fc423
SHA256

1d82eb685802be249d22545fef8ac55cd79ff5469d0e92162260aeab6847bf15
SHA512

141f87655c8e947181b13c17dec5ae9fd046c57748989412a1af4c2c751d793a8a00aed2b9ffab8206aba79330dbb7cbbc7f01c696755b1e590871c9907c0186
SSDEEP

12288:Eg5whZRvIvN6jj03BuaHH8lRAZ2b5g/jAzOrj+mDkFqNmFl4fk9MzVCPuOIPD38s:C0RgHticAf

Score

10^/10

darkcomet latentbot persistence rat trojan upx

Malware Config

Extracted

Family

latentbot

darkcomet74663.zapto.org

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
trojan latentbot

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	svhost.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundll32 .exe	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\rundll32 .exe	cmd.exe

Executes dropped EXE 4 IoCs

pid	Process
2576	svhost.exe
2572	svhost.exe
2608	svhost.exe
2588	svhost.exe

Loads dropped DLL 4 IoCs

pid	Process
2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe
2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe
2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe
2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe

UPX packed file 26 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2576-37-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-45-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-44-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-46-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-48-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-55-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-54-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-47-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-33-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-29-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-27-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-56-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-58-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-64-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-65-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-66-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-67-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-68-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-69-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-70-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-71-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-72-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-73-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-74-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-75-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2576-76-0x0000000000400000-0x00000000004B5000-memory.dmp	upx

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-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\rundll32 .exe"	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2080 set thread context of 2576	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	34

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	svhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	svhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	svhost.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	svhost.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe
2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe
2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe
2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe
2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe
2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe
2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe
2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2576	svhost.exe
Token: SeSecurityPrivilege	2576	svhost.exe
Token: SeTakeOwnershipPrivilege	2576	svhost.exe
Token: SeLoadDriverPrivilege	2576	svhost.exe
Token: SeSystemProfilePrivilege	2576	svhost.exe
Token: SeSystemtimePrivilege	2576	svhost.exe
Token: SeProfSingleProcessPrivilege	2576	svhost.exe
Token: SeIncBasePriorityPrivilege	2576	svhost.exe
Token: SeCreatePagefilePrivilege	2576	svhost.exe
Token: SeBackupPrivilege	2576	svhost.exe
Token: SeRestorePrivilege	2576	svhost.exe
Token: SeShutdownPrivilege	2576	svhost.exe
Token: SeDebugPrivilege	2576	svhost.exe
Token: SeSystemEnvironmentPrivilege	2576	svhost.exe
Token: SeChangeNotifyPrivilege	2576	svhost.exe
Token: SeRemoteShutdownPrivilege	2576	svhost.exe
Token: SeUndockPrivilege	2576	svhost.exe
Token: SeManageVolumePrivilege	2576	svhost.exe
Token: SeImpersonatePrivilege	2576	svhost.exe
Token: SeCreateGlobalPrivilege	2576	svhost.exe
Token: 33	2576	svhost.exe
Token: 34	2576	svhost.exe
Token: 35	2576	svhost.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2708	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	30
PID 2080 wrote to memory of 2708	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	30
PID 2080 wrote to memory of 2708	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	30
PID 2080 wrote to memory of 2708	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	30
PID 2708 wrote to memory of 2916	2708	cmd.exe	32
PID 2708 wrote to memory of 2916	2708	cmd.exe	32
PID 2708 wrote to memory of 2916	2708	cmd.exe	32
PID 2708 wrote to memory of 2916	2708	cmd.exe	32
PID 2080 wrote to memory of 2588	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	33
PID 2080 wrote to memory of 2588	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	33
PID 2080 wrote to memory of 2588	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	33
PID 2080 wrote to memory of 2588	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	33
PID 2080 wrote to memory of 2576	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	34
PID 2080 wrote to memory of 2576	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	34
PID 2080 wrote to memory of 2576	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	34
PID 2080 wrote to memory of 2576	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	34
PID 2080 wrote to memory of 2576	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	34
PID 2080 wrote to memory of 2576	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	34
PID 2080 wrote to memory of 2576	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	34
PID 2080 wrote to memory of 2576	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	34
PID 2080 wrote to memory of 2608	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	35
PID 2080 wrote to memory of 2608	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	35
PID 2080 wrote to memory of 2608	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	35
PID 2080 wrote to memory of 2608	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	35
PID 2080 wrote to memory of 2572	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	36
PID 2080 wrote to memory of 2572	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	36
PID 2080 wrote to memory of 2572	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	36
PID 2080 wrote to memory of 2572	2080	2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe	36
PID 2916 wrote to memory of 3000	2916	wscript.exe	37
PID 2916 wrote to memory of 3000	2916	wscript.exe	37
PID 2916 wrote to memory of 3000	2916	wscript.exe	37
PID 2916 wrote to memory of 3000	2916	wscript.exe	37

C:\Users\Admin\AppData\Local\Temp\2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2ec0ba70a24a523cee42f7cfa3fde093_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\\java.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2708
- - C:\Windows\SysWOW64\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\invs.vbs" "C:\Users\Admin\AppData\Local\Temp\java2.bat
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2916
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\java2.bat" "
      4⤵
      Drops startup file
      PID:3000
- C:\Windows\Temp\svhost.exe
  C:\Windows\Temp\svhost.exe
  2⤵
  - Executes dropped EXE
  PID:2588
- C:\Windows\Temp\svhost.exe
  C:\Windows\Temp\svhost.exe
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:2576
- C:\Windows\Temp\svhost.exe
  C:\Windows\Temp\svhost.exe
  2⤵
  - Executes dropped EXE
  PID:2608
- C:\Windows\Temp\svhost.exe
  C:\Windows\Temp\svhost.exe
  2⤵
  - Executes dropped EXE
  PID:2572

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\invs.vbs

Filesize
78B

MD5
c578d9653b22800c3eb6b6a51219bbb8

SHA1
a97aa251901bbe179a48dbc7a0c1872e163b1f2d

SHA256
20a98a7e6e137bb1b9bd5ef6911a479cb8eac925b80d6db4e70b19f62a40cce2

SHA512
3ae6dc8f02d1a78e1235a0782b632972da5a74ab32287cc41aa672d4fa4a9d34bb5fc50eba07b6915f2e61c402927cd5f6feeb7f7602afa2f64e91efb3b7fc4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\java.bat

Filesize
47B

MD5
81bf5400486e5da45ba0c6c1399d843f

SHA1
d70a7c4d3f3057a3ef5b8b1c764b40b3d3b4d59d

SHA256
d1a915a5e0286b1648a6e094f52813e2b5766dce3acf6342b297f7ca113545f1

SHA512
ebeee9eb5249ee1b278bf6c1fbcd91e4c073a241203f218dfa2edfa708a37679c6e6a78751de55b4640a024b32ce4389bd5d931401309163950cd15b4a91c140

Download Submit
C:\Users\Admin\AppData\Local\Temp\java2.bat

Filesize
151B

MD5
ed28c618f7d8306e3736432b58bb5d27

SHA1
441e6dab70e31d9c599fcd9e2d32009038781b42

SHA256
d9aa03911260779b1f8a9b046a7ecf7aa87b0f13c762491fe8e06c482bac09a3

SHA512
4257d8839e881a9ab6de6230a9df1e81456cb796eb9ee2361789fa5fe4c81b297ed1c472f91d97bb0b2ebdb6acadb924617e6ffd32fc96d8ddcebf8fee4a7880

Download Submit
C:\Users\Admin\AppData\Local\Temp\rundll32 .exe

Filesize
657KB

MD5
2ec0ba70a24a523cee42f7cfa3fde093

SHA1
efc6ed6afa39c48701aaad915c7247800c2fc423

SHA256
1d82eb685802be249d22545fef8ac55cd79ff5469d0e92162260aeab6847bf15

SHA512
141f87655c8e947181b13c17dec5ae9fd046c57748989412a1af4c2c751d793a8a00aed2b9ffab8206aba79330dbb7cbbc7f01c696755b1e590871c9907c0186

Download Submit
\Windows\Temp\svhost.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/2080-1-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2080-2-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2080-63-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2080-57-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2080-0-0x0000000074A21000-0x0000000074A22000-memory.dmp

Filesize
4KB

Download
memory/2576-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2576-58-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-55-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-54-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-46-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-47-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-44-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-33-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-45-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-29-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-27-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-56-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-37-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-48-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-25-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-64-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-65-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-66-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-67-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-68-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-69-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-70-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-71-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-72-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-73-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-74-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-75-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2576-76-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download