cycbot | 69983d88f5532d380cb8df45f87c4a5b40d88cd830705e0533413b2ab34d98e4

General

Target

c848dc1cb164829d89c5360b58247d83_JaffaCakes118.exe
Size

208KB
MD5

c848dc1cb164829d89c5360b58247d83
SHA1

3d2eaeb1984048e1fccbf7746256845dff0fef6c
SHA256

69983d88f5532d380cb8df45f87c4a5b40d88cd830705e0533413b2ab34d98e4
SHA512

816bd532fdb93cc65d23946b81b4cfffacdc0baa821f5f8454353457e5a9697cbdbf917bf8de3a83cca8bde0d7ce8764380fe1732dbf286fadf8fbf5a5aa377c
SSDEEP

3072:TBQAhE6nENUpw7mf1wbHBtlN+SJHdITasSaQrASLasjaPV7o2yJw5/uRLuJu2TCV:TBbhs+1AHblVRmXerVJWFyJpKJ7PBT

Score

10^/10

cycbot backdoor discovery rat spyware stealer 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
behavioral1/memory/2052-6-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/1640-15-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/804-84-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/1640-189-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1640-2-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2052-5-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2052-6-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/1640-15-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/804-84-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/1640-189-0x0000000000400000-0x000000000044D000-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	c848dc1cb164829d89c5360b58247d83_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c848dc1cb164829d89c5360b58247d83_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c848dc1cb164829d89c5360b58247d83_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 2052	1640	c848dc1cb164829d89c5360b58247d83_JaffaCakes118.exe	30
PID 1640 wrote to memory of 2052	1640	c848dc1cb164829d89c5360b58247d83_JaffaCakes118.exe	30
PID 1640 wrote to memory of 2052	1640	c848dc1cb164829d89c5360b58247d83_JaffaCakes118.exe	30
PID 1640 wrote to memory of 2052	1640	c848dc1cb164829d89c5360b58247d83_JaffaCakes118.exe	30
PID 1640 wrote to memory of 804	1640	c848dc1cb164829d89c5360b58247d83_JaffaCakes118.exe	32
PID 1640 wrote to memory of 804	1640	c848dc1cb164829d89c5360b58247d83_JaffaCakes118.exe	32
PID 1640 wrote to memory of 804	1640	c848dc1cb164829d89c5360b58247d83_JaffaCakes118.exe	32
PID 1640 wrote to memory of 804	1640	c848dc1cb164829d89c5360b58247d83_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\c848dc1cb164829d89c5360b58247d83_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c848dc1cb164829d89c5360b58247d83_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Users\Admin\AppData\Local\Temp\c848dc1cb164829d89c5360b58247d83_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\c848dc1cb164829d89c5360b58247d83_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2052
- C:\Users\Admin\AppData\Local\Temp\c848dc1cb164829d89c5360b58247d83_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\c848dc1cb164829d89c5360b58247d83_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\DD73.3CC

Filesize
1KB

MD5
ed60828d425840e1e3b34b5bf7b8d86b

SHA1
ca591b908fd4705efbafa42884be5b8d0b805d7b

SHA256
c0c170aeea80a059fefccfe6de7fd43561568026762e50462f880aabb1117523

SHA512
29c77f78ccbef5d67837a4d5ecd12f6d7e362c248607b8bf6fed783ae6c3b9ab86269a526ad3a5a045e8f4844a2b6c04440d678934850293f28f2151b7328bcb

Download Submit
C:\Users\Admin\AppData\Roaming\DD73.3CC

Filesize
600B

MD5
eaf57d6edc5d65fffda41e3aa7c10058

SHA1
3ab0819481f69d5d4621c22b71c42c439e8323b8

SHA256
495d22357cbf47676204098c34f903800b83c6185b3d2309a41a9a0d6a7cb584

SHA512
a32278961502165d772cbef59a979a4dc6de771a9fbdbc906075dd901340e5e76002daafaa3a294231078fbb49a42db88fe20cd2a2c3417f404d5c14b05aab2f

Download Submit
C:\Users\Admin\AppData\Roaming\DD73.3CC

Filesize
996B

MD5
0875c17d0900e229acfda160f22c0fe2

SHA1
b3f8ee14974e3e9133a5303e21e93935d1cc41a2

SHA256
8eda56af2395cf95836500a4ee433f9c8fa8dd31a30766d7f2a572a33c9abfda

SHA512
997957f03f94dfe807f77f0dedf10a22f50401e40b881f9c88daed536a3bb28da2eadc4e9514efaa96478f36d543c3c9598b40ec13531f7a2205010911daa7b0

Download Submit
memory/804-84-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1640-1-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1640-2-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1640-15-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1640-189-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2052-5-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2052-6-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download

Analysis

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