e28c2765003ca5afd1b109a19e0e82dad743f340ee6e2e72c487092dd3cb215b

General

Target

c0d37646b66777188cdf6bc0198d3f39.exe
Size

48KB
MD5

c0d37646b66777188cdf6bc0198d3f39
SHA1

77b6fb8c605ef94e22e24fe9ef7c26e4345a1a02
SHA256

e28c2765003ca5afd1b109a19e0e82dad743f340ee6e2e72c487092dd3cb215b
SHA512

586f37fdc77e6397700f3cb91dfe036275d0b78de3378b720110b92b9536264753a2f63f355e590eca3302ddfb5c306829e6fcba576be008cc277c2d6ee3f08a
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEF57wpZysmGCyi4cjxyIc:SKcR4mjD9r823F57wpcsDPgCg7a

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3484	amvEcnQf8WepQlH.exe
224	CTS.exe

Reads user/profile data of web browsers 2 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

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/488-0-0x00000000007B0000-0x00000000007C7000-memory.dmp	upx
behavioral2/files/0x000700000002324a-7.dat	upx
behavioral2/memory/224-8-0x0000000000E70000-0x0000000000E87000-memory.dmp	upx
behavioral2/memory/488-10-0x00000000007B0000-0x00000000007C7000-memory.dmp	upx
behavioral2/files/0x00070000000224f9-13.dat	upx
behavioral2/memory/224-33-0x0000000000E70000-0x0000000000E87000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	c0d37646b66777188cdf6bc0198d3f39.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	c0d37646b66777188cdf6bc0198d3f39.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	488	c0d37646b66777188cdf6bc0198d3f39.exe
Token: SeDebugPrivilege	224	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 488 wrote to memory of 3484	488	c0d37646b66777188cdf6bc0198d3f39.exe	99
PID 488 wrote to memory of 3484	488	c0d37646b66777188cdf6bc0198d3f39.exe	99
PID 488 wrote to memory of 224	488	c0d37646b66777188cdf6bc0198d3f39.exe	101
PID 488 wrote to memory of 224	488	c0d37646b66777188cdf6bc0198d3f39.exe	101
PID 488 wrote to memory of 224	488	c0d37646b66777188cdf6bc0198d3f39.exe	101

C:\Users\Admin\AppData\Local\Temp\c0d37646b66777188cdf6bc0198d3f39.exe
"C:\Users\Admin\AppData\Local\Temp\c0d37646b66777188cdf6bc0198d3f39.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:488
- C:\Users\Admin\AppData\Local\Temp\amvEcnQf8WepQlH.exe
  C:\Users\Admin\AppData\Local\Temp\amvEcnQf8WepQlH.exe
  2⤵
  - Executes dropped EXE
  PID:3484
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:224

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3792 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
1⤵
PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
747KB

MD5
2eec29e4b40bec170e10e615f49ca458

SHA1
66274353b225e02586d6bb6256c9b021dc4c3f85

SHA256
a7e6b7ede58f4441664b9d863d50202d0840d34c287bc3042b9e3a9133594c3e

SHA512
2796ce053b3e822122eb9a25f492cfec823b0a728d48885afb60fe0435914023c803d74d532e3c39d874557e8fbd01ae600fd108abc618cc46b8e7d60b119b2d

Download Submit
C:\Users\Admin\AppData\Local\Temp\amvEcnQf8WepQlH.exe

Filesize
18KB

MD5
3d02b1d79394fe13058ab40a0abfb133

SHA1
d6c2b092f1bc79a1b53975bc9b34a5a3c4529ba9

SHA256
41151a38436ceb8acaac016619e3eeb99b671cd13c024d6d8e91fa89b7697900

SHA512
0b312a77f3a422f695e8b7953f03db31941fd24540e7162221dc8fefcc323e16ef7cf3ce6f82dc1f7e8bd78214301b082de518878a803f989ab85485918e00bc

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/224-8-0x0000000000E70000-0x0000000000E87000-memory.dmp

Filesize
92KB

Download
memory/224-33-0x0000000000E70000-0x0000000000E87000-memory.dmp

Filesize
92KB

Download
memory/488-0-0x00000000007B0000-0x00000000007C7000-memory.dmp

Filesize
92KB

Download
memory/488-10-0x00000000007B0000-0x00000000007C7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads