darkcomet | 10291c9688d1b2c6b06cd10c5ef4e7a8e8d19e5b445d0f7cacae8a920b5a1bfe

General

Target

JaffaCakes118_b83040da3f1807b70073995b76f404fb.exe
Size

1.1MB
MD5

b83040da3f1807b70073995b76f404fb
SHA1

9b1710d570ad771bd0a193f046133757765ab2f6
SHA256

10291c9688d1b2c6b06cd10c5ef4e7a8e8d19e5b445d0f7cacae8a920b5a1bfe
SHA512

7f6f9762556e752c96e0a0b27644f03e57c5a535da1cd78a4db9d794d0be5ae711f3f61138f46f42a20a39faa7977e77f45351a672db11946cbffe3638db71b5
SSDEEP

12288:AVPFrG3e4v9x8ar3sIBR9ewSOHFMpdYNOQX7Tuz1UJSac:4keE9War3sIBR9eEl40OAl1c

Score

10^/10

darkcomet altri x discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Altri x

C2

jani1991.no-ip.org:1604

Mutex

DC_MUTEX-0RF6295

Attributes

gencode
v1BAksQG+Lzi
install
false
offline_keylogger
true
password
jani1991bmw31991
persistence
false

rc4.plain

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
4968	svchost.exe

Drops autorun.inf file 1 TTPs 1 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	C:\autorun.inf	JaffaCakes118_b83040da3f1807b70073995b76f404fb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 832 set thread context of 4968	832	JaffaCakes118_b83040da3f1807b70073995b76f404fb.exe	80

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4968-7-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-11-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-12-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-14-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-15-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-18-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-19-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-20-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-16-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-24-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-25-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-30-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-31-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-32-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-33-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-34-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-35-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-36-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-37-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-38-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-39-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-40-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-41-0x0000000000400000-0x00000000004F9000-memory.dmp	upx
behavioral2/memory/4968-42-0x0000000000400000-0x00000000004F9000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 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	JaffaCakes118_b83040da3f1807b70073995b76f404fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4968	svchost.exe
Token: SeSecurityPrivilege	4968	svchost.exe
Token: SeTakeOwnershipPrivilege	4968	svchost.exe
Token: SeLoadDriverPrivilege	4968	svchost.exe
Token: SeSystemProfilePrivilege	4968	svchost.exe
Token: SeSystemtimePrivilege	4968	svchost.exe
Token: SeProfSingleProcessPrivilege	4968	svchost.exe
Token: SeIncBasePriorityPrivilege	4968	svchost.exe
Token: SeCreatePagefilePrivilege	4968	svchost.exe
Token: SeBackupPrivilege	4968	svchost.exe
Token: SeRestorePrivilege	4968	svchost.exe
Token: SeShutdownPrivilege	4968	svchost.exe
Token: SeDebugPrivilege	4968	svchost.exe
Token: SeSystemEnvironmentPrivilege	4968	svchost.exe
Token: SeChangeNotifyPrivilege	4968	svchost.exe
Token: SeRemoteShutdownPrivilege	4968	svchost.exe
Token: SeUndockPrivilege	4968	svchost.exe
Token: SeManageVolumePrivilege	4968	svchost.exe
Token: SeImpersonatePrivilege	4968	svchost.exe
Token: SeCreateGlobalPrivilege	4968	svchost.exe
Token: 33	4968	svchost.exe
Token: 34	4968	svchost.exe
Token: 35	4968	svchost.exe
Token: 36	4968	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4968	svchost.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 4968	832	JaffaCakes118_b83040da3f1807b70073995b76f404fb.exe	80
PID 832 wrote to memory of 4968	832	JaffaCakes118_b83040da3f1807b70073995b76f404fb.exe	80
PID 832 wrote to memory of 4968	832	JaffaCakes118_b83040da3f1807b70073995b76f404fb.exe	80
PID 832 wrote to memory of 4968	832	JaffaCakes118_b83040da3f1807b70073995b76f404fb.exe	80
PID 832 wrote to memory of 4968	832	JaffaCakes118_b83040da3f1807b70073995b76f404fb.exe	80
PID 832 wrote to memory of 4968	832	JaffaCakes118_b83040da3f1807b70073995b76f404fb.exe	80
PID 832 wrote to memory of 4968	832	JaffaCakes118_b83040da3f1807b70073995b76f404fb.exe	80
PID 832 wrote to memory of 4968	832	JaffaCakes118_b83040da3f1807b70073995b76f404fb.exe	80
PID 4968 wrote to memory of 3696	4968	svchost.exe	81
PID 4968 wrote to memory of 3696	4968	svchost.exe	81
PID 4968 wrote to memory of 3696	4968	svchost.exe	81
PID 4968 wrote to memory of 3312	4968	svchost.exe	82
PID 4968 wrote to memory of 3312	4968	svchost.exe	82

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b83040da3f1807b70073995b76f404fb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b83040da3f1807b70073995b76f404fb.exe"
1⤵
- Drops autorun.inf file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:832
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\svchost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4968
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:3696
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:3312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/832-0-0x0000000074082000-0x0000000074083000-memory.dmp

Filesize
4KB

Download
memory/832-1-0x0000000074080000-0x0000000074631000-memory.dmp

Filesize
5.7MB

Download
memory/832-2-0x0000000074080000-0x0000000074631000-memory.dmp

Filesize
5.7MB

Download
memory/832-3-0x0000000074080000-0x0000000074631000-memory.dmp

Filesize
5.7MB

Download
memory/832-23-0x0000000074080000-0x0000000074631000-memory.dmp

Filesize
5.7MB

Download
memory/832-21-0x0000000074082000-0x0000000074083000-memory.dmp

Filesize
4KB

Download
memory/832-22-0x0000000074080000-0x0000000074631000-memory.dmp

Filesize
5.7MB

Download
memory/4968-14-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-31-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-18-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-19-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-17-0x00000000025F0000-0x00000000025F1000-memory.dmp

Filesize
4KB

Download
memory/4968-20-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-16-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-12-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-11-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-7-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-24-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-25-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-30-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-15-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-32-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-33-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-34-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-35-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-36-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-37-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-38-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-39-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-40-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-41-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download
memory/4968-42-0x0000000000400000-0x00000000004F9000-memory.dmp

Filesize
996KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads