cycbot | b597f9290a70210d06c6683cc9e660e2e5587ab20348c7fe54a699e2e53a15e5

General

Target

96e06a45c467cfe879b0c74e5917a076_JaffaCakes118.exe
Size

172KB
MD5

96e06a45c467cfe879b0c74e5917a076
SHA1

e6771bfec1b8fd96843ebe69b9f56737e603a8c3
SHA256

b597f9290a70210d06c6683cc9e660e2e5587ab20348c7fe54a699e2e53a15e5
SHA512

0c000aa71c9e5df057ace67eb0c1ff2949ad2fa712d7c70a3045d9ec2b4a9d60b36847157ed54ed5e795693b4d2a287a4927521ac3a5bdb07c96091aceb214e2
SSDEEP

3072:mu8Mtjh4WwnSrkfoioAaes0vpBMIdJjHMZ/hCJ4M1yjG0sVKBnYbzy:mudjqwkfoioA2JZJyBsjGTV8y

Score

10^/10

cycbot backdoor discovery rat upx

Malware Config

Signatures

Cycbot
Cycbot is a backdoor and trojan written in C++..
backdoor rat cycbot
Cycbot family
cycbot

Detects Cycbot payload 4 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral2/memory/1976-14-0x0000000000400000-0x000000000046C000-memory.dmp	family_cycbot
behavioral2/memory/1696-15-0x0000000000400000-0x000000000046C000-memory.dmp	family_cycbot
behavioral2/memory/428-83-0x0000000000400000-0x000000000046C000-memory.dmp	family_cycbot
behavioral2/memory/1696-184-0x0000000000400000-0x000000000046C000-memory.dmp	family_cycbot

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1696-2-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/1976-8-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/1976-14-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/1696-15-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/428-81-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/428-83-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral2/memory/1696-184-0x0000000000400000-0x000000000046C000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 3 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	96e06a45c467cfe879b0c74e5917a076_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	96e06a45c467cfe879b0c74e5917a076_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	96e06a45c467cfe879b0c74e5917a076_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 1976	1696	96e06a45c467cfe879b0c74e5917a076_JaffaCakes118.exe	83
PID 1696 wrote to memory of 1976	1696	96e06a45c467cfe879b0c74e5917a076_JaffaCakes118.exe	83
PID 1696 wrote to memory of 1976	1696	96e06a45c467cfe879b0c74e5917a076_JaffaCakes118.exe	83
PID 1696 wrote to memory of 428	1696	96e06a45c467cfe879b0c74e5917a076_JaffaCakes118.exe	97
PID 1696 wrote to memory of 428	1696	96e06a45c467cfe879b0c74e5917a076_JaffaCakes118.exe	97
PID 1696 wrote to memory of 428	1696	96e06a45c467cfe879b0c74e5917a076_JaffaCakes118.exe	97

C:\Users\Admin\AppData\Local\Temp\96e06a45c467cfe879b0c74e5917a076_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\96e06a45c467cfe879b0c74e5917a076_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Users\Admin\AppData\Local\Temp\96e06a45c467cfe879b0c74e5917a076_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\96e06a45c467cfe879b0c74e5917a076_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1976
- C:\Users\Admin\AppData\Local\Temp\96e06a45c467cfe879b0c74e5917a076_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\96e06a45c467cfe879b0c74e5917a076_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:428

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\Roaming\73FE.229

Filesize
1KB

MD5
2e3f1a093fddc0d9535bc5b4eb7c28e2

SHA1
abd28240a7ff0c9f39a5562f42873d8862db3840

SHA256
e4b2c5d3ae9c0c85b4d5b36e11a36edc17a95857878e36a4469317817739bb97

SHA512
ddeaa0f52d4d51aca90be3a9c6ddd8ebef56817549bf7f16c26d784b4de0a72212ba9dc0f049757bdc57970f2ca8258e376430149e820adb41e46b4e4effa853

Download Submit
C:\Users\Admin\AppData\Roaming\73FE.229

Filesize
600B

MD5
17eb2f86310543117033aeaab420794b

SHA1
56caabd5b660acf6266fb27f10fc42128e10eadb

SHA256
1c12fff83343de139007915e0b2c4c9947939768428211db3ce090c38fb4e4c4

SHA512
13a99ff94011139773460959424561b7601f7350aeabe71ba4d160dd8332baeba00e8946791c653503aa4ee0285d7e5e842523310572c3a332891db15b0f3fa3

Download Submit
C:\Users\Admin\AppData\Roaming\73FE.229

Filesize
996B

MD5
3a5dbfcf798462867f452ce07cad63f9

SHA1
79bfcbbc9921e7df67a794acd539393ad3de3d95

SHA256
92663d9a5575cdb72fc222521799071bf2977c0e601e6dbb8b82cdd76d151312

SHA512
03db23bf9c014dfd9855baed4d5bc34b61b3b4608965c5b1674f889f52b638b8e170d427ce9d18867dcdfad194aed6bf8f5f5eeea1378d72f8a5fba1d7a2eca7

Download Submit
memory/428-81-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/428-80-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/428-83-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1696-2-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1696-1-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1696-15-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1696-184-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1976-8-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/1976-14-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download

Analysis

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