darkcomet | 7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05

Analysis

max time kernel
120s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-10-2024 09:47

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General

Target

7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe
Size

520KB
MD5

e5f0c29a42fb571a989a2e0dabafcd80
SHA1

8b3c31a73acf6bd6029d4d25103f83c8dbc348d9
SHA256

7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05
SHA512

5f1f28046b5abcc03edee7087a95c909e94daa800b8cd1bbb6bbffded89c1bbcc520b87ad53a7526eb4b2179ccc824ca24bbf098cd2f4635cc1a177c6ce201b5
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbH:f9fC3hh29Ya77A90aFtDfT5IMbH

Score

10^/10

darkcomet privateeye discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

PrivateEye

ratblackshades.no-ip.biz:1604

Mutex

DC_MUTEX-ACC1R98

Attributes

gencode
8GG5LVVGljSF
install
false
offline_keylogger
true
persistence
false

Signatures

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

Executes dropped EXE 3 IoCs

Processes:

winupd.exewinupd.exewinupd.exe

pid	Process
748	winupd.exe
3496	winupd.exe
4940	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exewinupd.exe

description	pid	Process	procid_target
PID 4008 set thread context of 884	4008	7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe	95
PID 748 set thread context of 3496	748	winupd.exe	100
PID 748 set thread context of 4940	748	winupd.exe	101

UPX packed file 16 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4940-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-35-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-44-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2088	3696	WerFault.exe	102

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

Processes:

winupd.exewinupd.exewinupd.exe7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

Processes:

ipconfig.exe

pid	Process
3696	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

winupd.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4940	winupd.exe
Token: SeSecurityPrivilege	4940	winupd.exe
Token: SeTakeOwnershipPrivilege	4940	winupd.exe
Token: SeLoadDriverPrivilege	4940	winupd.exe
Token: SeSystemProfilePrivilege	4940	winupd.exe
Token: SeSystemtimePrivilege	4940	winupd.exe
Token: SeProfSingleProcessPrivilege	4940	winupd.exe
Token: SeIncBasePriorityPrivilege	4940	winupd.exe
Token: SeCreatePagefilePrivilege	4940	winupd.exe
Token: SeBackupPrivilege	4940	winupd.exe
Token: SeRestorePrivilege	4940	winupd.exe
Token: SeShutdownPrivilege	4940	winupd.exe
Token: SeDebugPrivilege	4940	winupd.exe
Token: SeSystemEnvironmentPrivilege	4940	winupd.exe
Token: SeChangeNotifyPrivilege	4940	winupd.exe
Token: SeRemoteShutdownPrivilege	4940	winupd.exe
Token: SeUndockPrivilege	4940	winupd.exe
Token: SeManageVolumePrivilege	4940	winupd.exe
Token: SeImpersonatePrivilege	4940	winupd.exe
Token: SeCreateGlobalPrivilege	4940	winupd.exe
Token: 33	4940	winupd.exe
Token: 34	4940	winupd.exe
Token: 35	4940	winupd.exe
Token: 36	4940	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exewinupd.exewinupd.exewinupd.exe

pid	Process
4008	7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe
884	7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe
748	winupd.exe
3496	winupd.exe
4940	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exewinupd.exewinupd.exe

description	pid	Process	procid_target
PID 4008 wrote to memory of 884	4008	7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe	95
PID 4008 wrote to memory of 884	4008	7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe	95
PID 4008 wrote to memory of 884	4008	7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe	95
PID 4008 wrote to memory of 884	4008	7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe	95
PID 4008 wrote to memory of 884	4008	7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe	95
PID 4008 wrote to memory of 884	4008	7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe	95
PID 4008 wrote to memory of 884	4008	7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe	95
PID 4008 wrote to memory of 884	4008	7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe	95
PID 884 wrote to memory of 748	884	7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe	96
PID 884 wrote to memory of 748	884	7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe	96
PID 884 wrote to memory of 748	884	7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe	96
PID 748 wrote to memory of 3496	748	winupd.exe	100
PID 748 wrote to memory of 3496	748	winupd.exe	100
PID 748 wrote to memory of 3496	748	winupd.exe	100
PID 748 wrote to memory of 3496	748	winupd.exe	100
PID 748 wrote to memory of 3496	748	winupd.exe	100
PID 748 wrote to memory of 3496	748	winupd.exe	100
PID 748 wrote to memory of 3496	748	winupd.exe	100
PID 748 wrote to memory of 3496	748	winupd.exe	100
PID 748 wrote to memory of 4940	748	winupd.exe	101
PID 748 wrote to memory of 4940	748	winupd.exe	101
PID 748 wrote to memory of 4940	748	winupd.exe	101
PID 748 wrote to memory of 4940	748	winupd.exe	101
PID 748 wrote to memory of 4940	748	winupd.exe	101
PID 748 wrote to memory of 4940	748	winupd.exe	101
PID 748 wrote to memory of 4940	748	winupd.exe	101
PID 748 wrote to memory of 4940	748	winupd.exe	101
PID 3496 wrote to memory of 3696	3496	winupd.exe	102
PID 3496 wrote to memory of 3696	3496	winupd.exe	102
PID 3496 wrote to memory of 3696	3496	winupd.exe	102
PID 3496 wrote to memory of 3696	3496	winupd.exe	102
PID 3496 wrote to memory of 3696	3496	winupd.exe	102

C:\Users\Admin\AppData\Local\Temp\7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe
"C:\Users\Admin\AppData\Local\Temp\7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4008
- C:\Users\Admin\AppData\Local\Temp\7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe
  "C:\Users\Admin\AppData\Local\Temp\7cac7f217fcffa373f1e6c45ca09707cc2b3b965f56d9bb5d0c7039b70889a05N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:884
- - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:748
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3496
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:3696
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3696 -s 272
        6⤵
        Program crash
        
        PID:2088
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:4940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3696 -ip 3696
1⤵
PID:4456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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\Roaming\Microsoft\winupd.exe

Filesize
520KB

MD5
48c4274dcb2cfcdd199688e4dfa77ef5

SHA1
d632eb45965aa012a25264a841d121518fa2e430

SHA256
e66008cd79b6cbf571d18ca602b1e46a5d27ec7c7d0545307370a2e23ba972f3

SHA512
5b28d7dbade5fd95853bf1756b9d2b82226c22c73121062a8c4411c4e9b937ce08e75ce3b02e80be64634a143f248eda11a64d59dbe4917a082b1bfb472b42c2

Download Submit
memory/748-37-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/748-25-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/884-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/884-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/884-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/884-22-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3496-42-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4008-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4008-11-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4008-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4008-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4008-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4008-8-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4940-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-44-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-35-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download