cycbot | 1b974a29763600ad330e8afa71cc3b00fa5e1b8a94ce02b4215b841f8c74df87

General

Target

JaffaCakes118_27d1639875727974db376290fd391d54.exe
Size

179KB
MD5

27d1639875727974db376290fd391d54
SHA1

45c0a5f21abbaa6c0dce67816fdab9bcf4fd693d
SHA256

1b974a29763600ad330e8afa71cc3b00fa5e1b8a94ce02b4215b841f8c74df87
SHA512

a5580a527a6db51bd7d47f6abd6982061f0cd894ec1b1f153343dc2adea583930c06e6f4d87e39613ebae3376ea7dae09f2b78f306356691013ef530223a22af
SSDEEP

3072:u20pFVLHzjIDVZ1vvtFh1AgH+dXzglLnZPIm1wu6Ufk2JDHwDm1b3HsRZ:nYdHPa5R+gH+dE7PImBk2Nam1bWZ

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 5 IoCs

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

resource	yara_rule
behavioral1/memory/2308-12-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2128-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2128-14-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2260-136-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2128-311-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2128-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2308-10-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2308-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2128-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2128-14-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2260-136-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2128-311-0x0000000000400000-0x0000000000455000-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	JaffaCakes118_27d1639875727974db376290fd391d54.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_27d1639875727974db376290fd391d54.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_27d1639875727974db376290fd391d54.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2308	2128	JaffaCakes118_27d1639875727974db376290fd391d54.exe	30
PID 2128 wrote to memory of 2308	2128	JaffaCakes118_27d1639875727974db376290fd391d54.exe	30
PID 2128 wrote to memory of 2308	2128	JaffaCakes118_27d1639875727974db376290fd391d54.exe	30
PID 2128 wrote to memory of 2308	2128	JaffaCakes118_27d1639875727974db376290fd391d54.exe	30
PID 2128 wrote to memory of 2260	2128	JaffaCakes118_27d1639875727974db376290fd391d54.exe	31
PID 2128 wrote to memory of 2260	2128	JaffaCakes118_27d1639875727974db376290fd391d54.exe	31
PID 2128 wrote to memory of 2260	2128	JaffaCakes118_27d1639875727974db376290fd391d54.exe	31
PID 2128 wrote to memory of 2260	2128	JaffaCakes118_27d1639875727974db376290fd391d54.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27d1639875727974db376290fd391d54.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27d1639875727974db376290fd391d54.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27d1639875727974db376290fd391d54.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27d1639875727974db376290fd391d54.exe startC:\Program Files (x86)\LP\7DC2\1E9.exe%C:\Program Files (x86)\LP\7DC2
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2308
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27d1639875727974db376290fd391d54.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27d1639875727974db376290fd391d54.exe startC:\Users\Admin\AppData\Roaming\26DCD\B3C7D.exe%C:\Users\Admin\AppData\Roaming\26DCD
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2260

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\26DCD\D35F.6DC

Filesize
696B

MD5
a95e2eba5632d48445f6949e70f2c6ed

SHA1
e7debafd059f4bacfeefd2425a5d3131d6f94d6d

SHA256
42c81769f1252374d4c505d44915d0f84f54f5d1cbc7eaead1553737f8dfaa83

SHA512
1a10b3e228a509d195d5e75cf8e94e438b145b9e854aea2815c3d7af3d8f85db7a6c27465ecb10d22e12d1284bac85036012950bdccb5e2fb72a12825885a5ef

Download Submit
C:\Users\Admin\AppData\Roaming\26DCD\D35F.6DC

Filesize
300B

MD5
8ed3e7462f2119c0152c1c5235aefd99

SHA1
78315b960cd3c815d97e26f171fcf41fe4caee23

SHA256
6f9245484f32694512d958699962b692cb61e9ee922c20164161afcaa80031ee

SHA512
cfe6f1b0a216df3a63229b6e939181f9a409146cd9cf720a668319256fdda85e03b5ec10b295d4daee6cd84ccf7d8e6ff1ac97f3855d665c55826d337827650d

Download Submit
C:\Users\Admin\AppData\Roaming\26DCD\D35F.6DC

Filesize
1KB

MD5
d03f367f216539a9c1fe11640d918963

SHA1
ba0e290da86d84ea078d12fd6381131866e51112

SHA256
d35da2b0c196d8ec9f6f4cfe2d53d2239e8715c9ee234c0207aab6d723323d15

SHA512
ac1a9106c6a39f3e49bcdc7dc09b86108abb26d9d5d3c342d0aca1d40c2ac60a4fcda5a5fcda93fee814a206dba7bf63d1187b7cbaad77bb788d981fe4721d9b

Download Submit
memory/2128-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2128-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2128-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2128-311-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2128-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2128-14-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2260-136-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2308-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2308-9-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2308-10-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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