cycbot | b2f1eb62dbb0749eecd919a30a44d0013525ea6b978afd62d07a476b86d17f1d

General

Target

a60771a1e5822c61c31113c379107528_JaffaCakes118.exe
Size

183KB
MD5

a60771a1e5822c61c31113c379107528
SHA1

0db703eed3a19869b74bb89d4e36a28dbc43028e
SHA256

b2f1eb62dbb0749eecd919a30a44d0013525ea6b978afd62d07a476b86d17f1d
SHA512

31036867057546817467f56daede2013c721a3eb7e11923d2897a63ef69db05ef9d8741e1e7764e617c025d7e79b9d0faf79a92fbb366edbaa77fcad4913efa1
SSDEEP

3072:VRUicGA0U0vg2yh7n2t0oTqaQKx2kU54Fyaw0b7vkJciwxNvrJHKmDVe3:RcGngxV+qzK4ke/O9D9DDVe

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/5028-20-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/3460-21-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/3568-84-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/3460-198-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3460-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/5028-18-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/5028-17-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/5028-20-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3460-21-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3568-82-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3568-84-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3460-198-0x0000000000400000-0x000000000044E000-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	a60771a1e5822c61c31113c379107528_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a60771a1e5822c61c31113c379107528_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a60771a1e5822c61c31113c379107528_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3460 wrote to memory of 5028	3460	a60771a1e5822c61c31113c379107528_JaffaCakes118.exe	82
PID 3460 wrote to memory of 5028	3460	a60771a1e5822c61c31113c379107528_JaffaCakes118.exe	82
PID 3460 wrote to memory of 5028	3460	a60771a1e5822c61c31113c379107528_JaffaCakes118.exe	82
PID 3460 wrote to memory of 3568	3460	a60771a1e5822c61c31113c379107528_JaffaCakes118.exe	90
PID 3460 wrote to memory of 3568	3460	a60771a1e5822c61c31113c379107528_JaffaCakes118.exe	90
PID 3460 wrote to memory of 3568	3460	a60771a1e5822c61c31113c379107528_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\a60771a1e5822c61c31113c379107528_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a60771a1e5822c61c31113c379107528_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3460
- C:\Users\Admin\AppData\Local\Temp\a60771a1e5822c61c31113c379107528_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a60771a1e5822c61c31113c379107528_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5028
- C:\Users\Admin\AppData\Local\Temp\a60771a1e5822c61c31113c379107528_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a60771a1e5822c61c31113c379107528_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3568

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\0CED.979

Filesize
597B

MD5
13d4e55417c661b2bcbe1d313c617058

SHA1
cb8d3ec58f04c4e7cfc58555f0fceea232690afd

SHA256
ebe1906b866e74d34ebec0f12b16d0401055cec0e5408d748218d432cd686680

SHA512
816e4bb1e3bbca4aa99d6e5dbed1844c083199fc7bec1253e39cb4cd2564ee5ee2c9c1fb3cf792851f1e2cf0b7342c66e6ecb1c037f4157b4d0ebb49d7c31eea

Download Submit
C:\Users\Admin\AppData\Roaming\0CED.979

Filesize
1KB

MD5
6038c0cfe5b1340ef463e33d46701aa0

SHA1
ba2730b77768f966f1019fa16ceeabd4d0ebfaf1

SHA256
548fc8e5a7c0ad1f14832c8ac47887fe4778936ca9cf9ac045de9ab376fdd187

SHA512
bc443c3b23ade35cf3d683e4b8d1ca9d79bfaa1e8d2025ca7e9448d5583bc80bbaf818f20e5c92a6ea32d3801b7f54f3fb8dd0f86ea582a43eb7932c6dd3e507

Download Submit
C:\Users\Admin\AppData\Roaming\0CED.979

Filesize
897B

MD5
3b0e07933faa799ec49bade660e12591

SHA1
df7d0e5918d5690aa177c6e37b1b7980bab6b8aa

SHA256
2e52346415788f5f2283c7d8f2466ab3e6ad1f6f0f41e45f3d941c0b03e61634

SHA512
24d46aca1544b11e5f0d4b593982a5d8dfc7a4d50cb091b3c72a3244df84d92ab60862a49e6533317f8b459c80774c317fcbd7f6fa14834064412c7e3f2d76d2

Download Submit
C:\Users\Admin\AppData\Roaming\0CED.979

Filesize
1KB

MD5
ee7aa91cac83c78beb0a84887f6b348f

SHA1
91a22bd195aa0a13387344b809706df27d211878

SHA256
3bc4a02764c6c042f0b76cb507228942b1cee90ce18345c2f24da1c791784316

SHA512
381f29a37e6243425a13a9875ba8e96cbddeaae235d6ac9c54eada16e0435ba8faeeed0733b48c2351644b54508a01fe78faf9eb493020d234487ea33393699a

Download Submit
memory/3460-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3460-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3460-198-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3460-21-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3568-84-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3568-82-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/5028-20-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/5028-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/5028-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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