cobaltstrike | 015f6c70da31119e6b346ebf40b247cf0ff54b7b7b6a064353430769873855b8

General

Target

c92c145981f88c23fdd82cb81d055354_JaffaCakes118.dll
Size

623KB
MD5

c92c145981f88c23fdd82cb81d055354
SHA1

fc2a0e9c0bb79111879ae31bcc8d3eae9a6af857
SHA256

015f6c70da31119e6b346ebf40b247cf0ff54b7b7b6a064353430769873855b8
SHA512

5353930e8044f341841d642fd84b66929c30fbca13894079ec9a102183e107a63b696661c94d988afe2460cc1a21113393e4c924cedf547cb27ce25ad92da769
SSDEEP

12288:87T0pLWNX7Ru1DkREAuiJist8ibKRwc/qOna8el0:87TEC0iiniOiCR/qOn5eC

Score

10^/10

cobaltstrike 305419896 backdoor discovery trojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

305419896

C2

http://cacheapps.global.ssl.fastly.net:443/homes/for_sale/minneapolis/

Attributes

access_type
512
beacon_type
2048
dns_idle
1.34744072e+08
host
cacheapps.global.ssl.fastly.net,/homes/for_sale/minneapolis/
http_header1
AAAABwAAAAAAAAANAAAABQAAAAxmcm9tSG9tZVBhZ2UAAAAJAAAAC2dvdG89U2VhcmNoAAAACQAAAAlxc2JpdD1ubmIAAAAJAAAAGnNob3VsZEZpcmVTZWxsUGFnZUltPWZhbHNlAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
http_header2
AAAABwAAAAEAAAANAAAABQAAAA5mcm9tSG9tZVBhZ2VUbwAAAAkAAAAPZ290b3F1ZXJ5PVF1ZXJ5AAAACQAAAAtsaXN0aWQ9U2FsZQAAAAkAAAAKeXE9dG9zb3RvcAAAAAcAAAAAAAAADQAAAAUAAAAQc2hvdWxkRmlyZVNlbERBSAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
http_method1
GET
http_method2
GET
jitter
2560
maxdns
235
polling_time
60000
port_number
443
sc_process32
%windir%\syswow64\gpresult.exe
sc_process64
%windir%\sysnative\gpresult.exe
state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCIZJS4ZYjuNkh/VH7DIH4/k6ZyhegdMOZa4GAJl+R7pGWVWI+SjJtGzmtCPyGzAnUUVh6N14HBTJBxp6xXdERRcKnSYC+edReZMxx0UvePk4HxSWaaVJuU0ibj48jqNIe7Za7qS7loVXKpax5hAhvS3zPmkRSHKbSVaPdJMTqxyQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
unknown1
2.551529472e+09
unknown2
AAAABAAAAAEAAAGjAAAAAgAAE/UAAAAIAAAACAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
unknown3
1.610612736e+09
uri
/homes/for_sale/New_york/
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/82.0.991.00 Safari/537.36
watermark
305419896

Signatures

Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
trojan backdoor cobaltstrike
Cobaltstrike family
cobaltstrike

System Location Discovery: System Language Discovery 1 TTPs 1 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	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2424	2128	regsvr32.exe	31
PID 2128 wrote to memory of 2424	2128	regsvr32.exe	31
PID 2128 wrote to memory of 2424	2128	regsvr32.exe	31
PID 2128 wrote to memory of 2424	2128	regsvr32.exe	31
PID 2128 wrote to memory of 2424	2128	regsvr32.exe	31
PID 2128 wrote to memory of 2424	2128	regsvr32.exe	31
PID 2128 wrote to memory of 2424	2128	regsvr32.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c92c145981f88c23fdd82cb81d055354_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\c92c145981f88c23fdd82cb81d055354_JaffaCakes118.dll
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2424

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabFAE4.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarFB07.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2424-0-0x0000000001C80000-0x0000000001CCB000-memory.dmp

Filesize
300KB

Download
memory/2424-2-0x00000000002F0000-0x0000000000338000-memory.dmp

Filesize
288KB

Download
memory/2424-5-0x000000006BAC0000-0x000000006BB0D000-memory.dmp

Filesize
308KB

Download
memory/2424-16-0x0000000002220000-0x0000000002254000-memory.dmp

Filesize
208KB

Download
memory/2424-19-0x0000000000230000-0x000000000026D000-memory.dmp

Filesize
244KB

Download
memory/2424-74-0x0000000000230000-0x000000000026D000-memory.dmp

Filesize
244KB

Download

Analysis

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